Squash Odysseus development history

This commit is contained in:
pewdiepie-archdaemon
2026-09-11 06:04:19 +00:00
parent e5c99a5eee
commit 6ee6502010
2050 changed files with 538359 additions and 57745 deletions
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@@ -9,7 +9,7 @@ from services.hwfit.models import (
GPU_BANDWIDTH = {
"5090": 1792, "5080": 960, "5070 ti": 896, "5070": 672, "5060 ti": 448, "5060": 256,
"4090": 1008, "4080 super": 736, "4080": 717, "4070 ti super": 672, "4070 ti": 504, "4070 super": 504, "4070": 504, "4060 ti": 288, "4060": 272,
"3090 ti": 1008, "3090": 936, "3080 ti": 912, "3080": 760, "3070 ti": 608, "3070": 448, "3060 ti": 448, "3060": 360,
"3090 ti": 1008, "3090": 936, "3080 ti": 912, "3080": 760, "3070 ti": 608, "3070": 448, "3060 ti": 448, "3060": 360, "3050 ti": 192, "3050": 224,
"2080 ti": 616, "2080 super": 496, "2080": 448, "2070 super": 448, "2070": 448, "2060 super": 448, "2060": 336,
"1660 ti": 288, "1660 super": 336, "1660": 192, "1650 super": 192, "1650": 128,
"h100 sxm": 3350, "h100": 2039, "h200": 4800, "a100 sxm": 2039, "a100": 1555,
@@ -18,13 +18,38 @@ GPU_BANDWIDTH = {
"7900 xtx": 960, "7900 xt": 800, "7900 gre": 576, "7800 xt": 624, "7700 xt": 432, "7600": 288,
"6950 xt": 576, "6900 xt": 512, "6800 xt": 512, "6800": 512, "6700 xt": 384, "6600 xt": 256, "6600": 224,
"mi300x": 5300, "mi300": 5300, "mi250x": 3277, "mi250": 3277, "mi210": 1638, "mi100": 1229,
"9070 xt": 624, "9070": 488,
"9070 xt": 624, "9070": 488, "9060 xt": 322, "9060": 322,
# NVIDIA GB10 Grace-Blackwell superchip (DGX Spark). Unified LPDDR5X memory,
# not Apple Silicon, so it lives in the generic GPU table — the Apple-only
# lookup never matches it (its name carries no "apple").
"gb10": 273,
}
# Pre-sort keys by length descending for correct substring matching
_BW_KEYS_SORTED = sorted(GPU_BANDWIDTH.keys(), key=len, reverse=True)
FALLBACK_K = {"cuda": 220, "rocm": 180, "cpu_x86": 70, "cpu_arm": 90}
# Apple Silicon unified-memory bandwidth (GB/s). For chip families with both
# binned and full variants under the same "Apple Mx Max" brand string, prefer
# GPU core count when hardware detection provides it; otherwise fall back to the
# conservative tier so speed estimates do not over-promise.
APPLE_BANDWIDTH_FIXED = {
"m1 ultra": 800, "m1 max": 400, "m1 pro": 200, "m1": 68,
"m2 ultra": 800, "m2 max": 400, "m2 pro": 200, "m2": 100,
"m3 ultra": 800, "m3 pro": 150, "m3": 100,
"m4 pro": 273, "m4": 120,
"m5 pro": 307, "m5": 153,
}
APPLE_BANDWIDTH_BY_CORES = {
"m3 max": {30: 300, 40: 400},
"m4 max": {32: 410, 40: 546},
"m5 max": {32: 460, 40: 614},
}
_APPLE_FIXED_KEYS_SORTED = sorted(APPLE_BANDWIDTH_FIXED.keys(), key=len, reverse=True)
_APPLE_VARIANT_KEYS_SORTED = sorted(APPLE_BANDWIDTH_BY_CORES.keys(), key=len, reverse=True)
# metal: backstop for Apple Silicon chips not in the explicit tables above
# (e.g. a future M6) — use a conservative generic estimate when unknown.
FALLBACK_K = {"cuda": 220, "rocm": 180, "metal": 150, "cpu_x86": 70, "cpu_arm": 90}
USE_CASE_WEIGHTS = {
"general": (0.45, 0.30, 0.15, 0.10),
@@ -49,37 +74,159 @@ CONTEXT_TARGET = {
}
def _lookup_bandwidth(gpu_name):
if not gpu_name:
def _lookup_apple_bandwidth(system):
gpu_name = system.get("gpu_name")
if not isinstance(gpu_name, str) or not gpu_name:
return None
gn = gpu_name.lower()
# Guard against false matches on non-Apple GPUs whose names contain
# "m3"/"m4"/"m5" (e.g. NVIDIA Quadro M4 000).
if "apple" not in gn:
return None
raw_cores = system.get("gpu_cores")
try:
gpu_cores = int(raw_cores) if raw_cores is not None else None
except (TypeError, ValueError):
gpu_cores = None
for key in _APPLE_VARIANT_KEYS_SORTED:
if key not in gn:
continue
if gpu_cores in APPLE_BANDWIDTH_BY_CORES[key]:
return APPLE_BANDWIDTH_BY_CORES[key][gpu_cores]
return min(APPLE_BANDWIDTH_BY_CORES[key].values())
for key in _APPLE_FIXED_KEYS_SORTED:
if key in gn:
return APPLE_BANDWIDTH_FIXED[key]
return None
def _lookup_bandwidth(system):
if isinstance(system, dict):
gpu_name = system.get("gpu_name")
else:
gpu_name = system
if not isinstance(gpu_name, str) or not gpu_name:
return None
# Apple tiers live only in the Apple-specific table now (#2564), so route
# BOTH dict and bare-string callers through it. A bare string carries no
# gpu_cores, so the helper falls back to the conservative (lowest) tier for
# that model -- before #2564 the generic table answered string lookups, and
# dropping that made _lookup_bandwidth("Apple M3 Max") return None.
apple_input = system if isinstance(system, dict) else {"gpu_name": gpu_name}
bw = _lookup_apple_bandwidth(apple_input)
if bw is not None:
return bw
gn = gpu_name.lower()
for key in _BW_KEYS_SORTED:
if key in gn:
return GPU_BANDWIDTH[key]
return None
def _estimate_speed(model, quant, run_mode, system):
"""Estimate tok/s. Uses active params for MoE (only active experts run per token)."""
def _canonical_cpu_backend(system):
"""Return the canonical CPU backend for cpu_only speed estimation.
Normalizes CPU-architecture aliases separately from the GPU backend, and
overrides GPU-only backends (CUDA/ROCm/Metal) so they do not inherit a
discrete-GPU fallback constant when the model is actually running on CPU.
"""
backend = (system.get("backend") or "").lower().strip()
cpu_arch = (system.get("cpu_arch") or "").lower().strip()
cpu_name = (system.get("cpu_name") or "").lower()
gpu_name = (system.get("gpu_name") or "").lower()
# Already-canonical CPU backends
if backend in ("cpu_x86", "cpu_arm"):
return backend
# Raw CPU-architecture aliases. Treat plain "arm" as 32-bit ARM, not the
# ARM64-class CPU fallback used for Apple Silicon/aarch64 machines.
if backend in ("x86_64", "amd64", "i386", "i686"):
return "cpu_x86"
if backend in ("arm64", "aarch64"):
return "cpu_arm"
# Prefer an explicit CPU architecture field when present
if cpu_arch:
if cpu_arch in ("x86_64", "amd64", "x86", "i386", "i686"):
return "cpu_x86"
if cpu_arch in ("arm64", "aarch64"):
return "cpu_arm"
# Apple Silicon enters ranking as backend="metal"; its CPU path is ARM.
if backend in ("metal", "mps", "apple") or "apple" in cpu_name or "apple" in gpu_name:
return "cpu_arm"
# Conservative default for CUDA/ROCm/discrete GPU backends and unknowns.
return "cpu_x86"
def _is_mlx_model(model, native_q=None):
name = (model.get("name") or "").lower()
provider = (model.get("provider") or "").lower()
fmt = (model.get("format") or "").lower()
q = (native_q if native_q is not None else _native_quant(model)).lower()
return (
q.startswith("mlx-")
or provider == "mlx-community"
or fmt == "mlx"
or name.startswith("mlx-community/")
)
def _estimate_speed(model, quant, run_mode, system, offload_frac=0.0):
"""Estimate tok/s. Uses active params for MoE (only active experts run per token).
offload_frac (0..1): fraction of the model's weights that spill to system RAM
(CPU) because they don't fit VRAM. Generation reads every active weight per
token, so when part lives in CPU RAM the per-token time is dominated by the
slow path. We model effective bandwidth as a blend of GPU VRAM bandwidth and
system-RAM bandwidth weighted by what's where — far more accurate than a flat
"halve it" for partial offload, which under/over-shoots depending on amount.
Calibrated against a measured RX 9060 XT: DeepSeek-Coder-V2-Lite Q4_K_M with
light offload → ~59 t/s est vs 59.8 measured.
"""
pb = _active_params_b(model)
is_moe = model.get("is_moe", False)
bw = _lookup_bandwidth(system.get("gpu_name"))
bw = _lookup_bandwidth(system)
backend = system.get("backend", "cpu_x86")
# CPU-only inference must never inherit a GPU backend's fallback constant,
# even if the detected system happens to report a CUDA/Metal/ROCm backend.
if run_mode == "cpu_only":
backend = _canonical_cpu_backend(system)
if bw and run_mode in ("gpu", "cpu_offload"):
bpp = QUANT_BYTES_PER_PARAM.get(quant, 0.5)
model_gb = pb * bpp
if model_gb <= 0:
return 0.0
efficiency = 0.55
raw_tps = (bw / model_gb) * efficiency
if run_mode == "cpu_offload":
mode_factor = 0.5
elif is_moe:
mode_factor = 0.8
else:
mode_factor = 1.0
return raw_tps * mode_factor
# Dual-channel DDR4-3200 ≈ 50 GB/s; DDR5 systems higher, but be
# conservative since offloaded MoE is also compute-bound on CPU.
cpu_bw = 55.0
frac = min(max(offload_frac, 0.0), 1.0)
# If we don't know the fraction (legacy callers pass 0 with
# cpu_offload), assume a meaningful spill so we don't overestimate.
if frac <= 0.0:
frac = 0.5
# Harmonic-style blend: time = frac/cpu_bw + (1-frac)/gpu_bw, so the
# slow CPU portion dominates as it grows (matches the steep real-world
# drop-off when more experts offload).
eff_bw = 1.0 / (frac / cpu_bw + (1.0 - frac) / bw)
raw_tps = (eff_bw / model_gb) * efficiency
return raw_tps * (0.8 if is_moe else 1.0)
# Fully on GPU.
raw_tps = (bw / model_gb) * efficiency
return raw_tps * (0.8 if is_moe else 1.0)
k = FALLBACK_K.get(backend, 70)
if pb <= 0:
@@ -88,6 +235,27 @@ def _estimate_speed(model, quant, run_mode, system):
return k / pb * sm
def _architecture_bonus(model):
name = (model.get("name") or "").lower()
arch = (model.get("architecture") or "").lower()
text = f"{name} {arch}"
# Keep this intentionally small: hardware fit and speed still matter, but
# current model families should not be scored the same as older Qwen2/LLama
# era entries just because the parameter count is similar.
if "qwen3.6" in text or "qwen3_6" in text:
return 9
if "qwen3.5" in text or "qwen3_5" in text:
return 8
if "qwen3-next" in text or "qwen3_next" in text:
return 6
if "qwen3" in text or arch.startswith("qwen3"):
return 4
if "qwen2.5" in text or "qwen2_5" in text:
return 2
return 0
def _quality_score(model, quant, use_case):
pb = params_b(model)
if pb < 1:
@@ -117,13 +285,21 @@ def _quality_score(model, quant, use_case):
if "gemma" in name_lower:
base += 1
base += _architecture_bonus(model)
base += QUANT_QUALITY_PENALTY.get(quant, 0)
model_uc = infer_use_case(model)
if model_uc == "coding" and use_case == "coding":
base += 6
elif model_uc == "coding" and use_case in ("general", "chat"):
# Coder-specialized models are still useful generally, but they should
# not dominate the default scan. If the user wants code, the Coding
# filter gives them the boost above.
base -= 10
if model_uc == "reasoning" and use_case == "reasoning" and pb >= 13:
base += 5
elif model_uc == "reasoning" and use_case == "chat":
base -= 4
if model_uc == "multimodal" and use_case == "multimodal":
base += 6
@@ -150,6 +326,22 @@ def _fit_score(required, available):
return 50
def _is_unified_memory_system(system):
backend = (system.get("backend") or "").lower()
return bool(system.get("unified_memory")) or backend in ("metal", "mps", "apple")
def _fit_level_for_budget(required_gb, budget_gb):
if not required_gb or not budget_gb or required_gb > budget_gb:
return "too_tight"
ratio = required_gb / budget_gb
if ratio <= 0.50:
return "perfect"
if ratio <= 0.78:
return "good"
return "marginal"
def _context_score(ctx, use_case):
target = CONTEXT_TARGET.get(use_case, 4096)
if ctx >= target:
@@ -186,9 +378,9 @@ def _quant_bits(q):
Returns 0 when unknown (caller treats unknown as "don't filter")."""
qu = (q or "").upper().replace("-", "").replace("_", "").replace(" ", "")
# GGUF k-quants + float formats
if qu.startswith("Q8") or "FP8" in qu:
if qu.startswith("Q8") or "FP8" in qu or "INT8" in qu or qu.startswith("W8"):
return 8
if qu.startswith("Q4") or qu.startswith("IQ4"):
if qu.startswith("Q4") or qu.startswith("IQ4") or "FP4" in qu or "NF4" in qu or "INT4" in qu or qu.startswith("W4"):
return 4
if qu.startswith("Q2") or qu.startswith("IQ2"):
return 2
@@ -200,7 +392,7 @@ def _quant_bits(q):
return 6
if qu.startswith("F16") or qu.startswith("BF16") or qu.startswith("F32"):
return 16
# Prequantized formats: pull the bit-width digit (AWQ4 / AWQ4BIT / GPTQ8 / 4BIT / INT8 …)
# Prequantized formats: pull the bit-width digit (AWQ4 / AWQ4BIT / GPTQ8 / 4BIT / INT8 ...)
m = re.search(r"(?:AWQ|GPTQ|MLX|EXL2|BNB|INT|W)(\d{1,2})", qu) or re.search(r"(\d{1,2})BIT", qu)
if m:
b = int(m.group(1))
@@ -209,12 +401,40 @@ def _quant_bits(q):
return 0
def analyze_model(model, system, target_quant=None):
def _native_quant(model):
native_quant = model.get("quantization", "Q4_K_M")
name = (model.get("name") or "").lower()
fmt = (model.get("format") or "").lower()
text = f"{name} {fmt}"
if "nvfp4" in text:
return "NVFP4"
if re.search(r"(^|[-_/])fp8($|[-_/\s])", text):
return "FP8"
if "gptq" in text:
m = re.search(r"(?:gptq|int|w)(?:[-_]?)(\d{1,2})(?:bit)?", text)
# Canonical catalog label is "GPTQ-Int4"/"GPTQ-Int8" (see models.py
# QUANT_BPP / QUANT_QUALITY_PENALTY keys); "GPTQ-4bit" misses both
# maps, so BPP and the quality penalty silently fall to defaults.
return f"GPTQ-Int{m.group(1)}" if m else "GPTQ-Int4"
if "awq" in text:
m = re.search(r"(?:awq|int|w)(?:[-_]?)(\d{1,2})(?:bit)?", text)
# Catalog keys are "AWQ-4bit"/"AWQ-8bit"; bare "AWQ" misses the maps.
return f"AWQ-{m.group(1)}bit" if m else "AWQ-4bit"
if "mlx" in text:
m = re.search(r"mlx[-_]?(\d{1,2})bit", text)
return f"mlx-{m.group(1)}bit" if m else native_quant
if not (model.get("is_gguf") or model.get("gguf_sources")) and re.search(r"(^|[-_/])(?:int)?8bit($|[-_/\s])", text):
return "INT8"
return native_quant
def analyze_model(model, system, target_quant=None, scoring_use_case=None, target_context=None):
pb = params_b(model)
if pb <= 0:
return None
use_case = infer_use_case(model)
model_use_case = infer_use_case(model)
score_use_case = scoring_use_case or "general"
has_gpu = system.get("has_gpu", False)
gpu_vram = (system.get("gpu_vram_gb") or 0) if has_gpu else 0
gpu_count = system.get("gpu_count", 1) or 1
@@ -228,9 +448,14 @@ def analyze_model(model, system, target_quant=None):
gpu_only = bool(system.get("gpu_only")) and has_gpu and gpu_vram > 0
eff_ram = 0 if gpu_only else available_ram
is_moe = model.get("is_moe", False)
ctx = model.get("context_length", 4096) or 4096
model_ctx = model.get("context_length", 4096) or 4096
try:
target_context = int(target_context or 0)
except (TypeError, ValueError):
target_context = 0
ctx = min(model_ctx, target_context) if target_context > 0 else model_ctx
native_quant = model.get("quantization", "Q4_K_M")
native_quant = _native_quant(model)
preq = is_prequantized(model)
# GGUF models can't be sharded across GPUs — use single GPU VRAM
@@ -246,13 +471,22 @@ def analyze_model(model, system, target_quant=None):
else:
effective_vram = gpu_vram
native_gpu_only = preq and not native_quant.startswith("mlx-")
# Determine which quant to evaluate at
native_quant_prefixes = (
"AWQ-", "GPTQ-", "FP8", "FP4", "NVFP4", "MXFP4", "NF4",
"INT4", "INT8", "W4A16", "W8A8", "W8A16",
)
if preq:
# AWQ/GPTQ/FP8/MLX come at a fixed bit-width. If the user picked a
# specific quant tier (e.g. Q8 → 8-bit), only keep prequant models whose
# native bit-width matches — otherwise selecting Q8 would still surface
# AWQ-4bit models, mixing 4- and 8-bit in one view.
# Native HF/vLLM quantized repos come at a fixed format. If the user
# picked a GGUF quant tier (Q4/Q8/etc.), do not treat same-bit
# AWQ/GPTQ/FP8/FP4 builds as equivalent; those formats are separate
# serving paths and only appear when explicitly selected or unfiltered.
if target_quant:
if not any(target_quant.startswith(p) for p in native_quant_prefixes):
return None
_tb, _nb = _quant_bits(target_quant), _quant_bits(native_quant)
if _tb and _nb and _tb != _nb:
return None
@@ -260,20 +494,25 @@ def analyze_model(model, system, target_quant=None):
elif target_quant:
# User picked a specific quant
quant_to_try = target_quant
elif gpu_count >= 2:
# Multi-GPU box: vLLM/SGLang can't serve GGUF Q* quants (those are
# llama.cpp-only). Default non-prequantized models to BF16 so the row
# is meaningful on a multi-GPU rig. If BF16 doesn't fit, the model
# surfaces as too_tight — better than showing a Q4 row the user
# can't actually serve with vLLM on >1 GPU.
quant_to_try = "BF16"
else:
# Default: Q4_K_M (user's stated preference)
# Default: Q4_K_M (user's stated preference) — kept for single-GPU
# and RAM modes where llama.cpp serving is the natural path.
quant_to_try = "Q4_K_M"
result = _try_quant_at(model, quant_to_try, ctx, effective_vram, eff_ram)
# Multi-GPU filter: skip the row if the resolved quant is a GGUF tier
# (Q*/IQ-prefixed) — vLLM/SGLang can't serve those, so showing them on
# a 2+ GPU rig just clutters the list with unservable candidates.
if gpu_count >= 2 and quant_to_try and not target_quant and quant_to_try.upper().startswith(("Q2", "Q3", "Q4", "Q5", "Q6", "Q8", "IQ")):
return None
# If target quant doesn't fit and it's not pre-quantized, try lower quants
if result is None and not preq and target_quant:
from services.hwfit.models import QUANT_HIERARCHY
idx = QUANT_HIERARCHY.index(target_quant) if target_quant in QUANT_HIERARCHY else -1
for q in QUANT_HIERARCHY[idx + 1:]:
result = _try_quant_at(model, q, ctx, effective_vram, eff_ram)
if result:
break
result = _try_quant_at(model, quant_to_try, ctx, effective_vram, 0 if native_gpu_only else eff_ram)
if result is None:
# Model doesn't fit on the user's current hardware. Surface it
@@ -289,7 +528,7 @@ def analyze_model(model, system, target_quant=None):
"parameter_count": model.get("parameter_count"),
"params_b": round(pb, 1),
"is_moe": is_moe,
"use_case": use_case,
"use_case": model_use_case,
"fit_level": "too_tight",
"run_mode": "no_fit",
"quant": quant_to_try,
@@ -299,36 +538,63 @@ def analyze_model(model, system, target_quant=None):
"score": 0,
"scores": {"quality": 0, "speed": 0, "fit": 0, "context": 0},
"gguf_sources": model.get("gguf_sources", []),
"context_length": model.get("context_length", 4096),
"context_length": model_ctx,
"target_context": target_context or None,
}
run_mode, quant, fit_ctx, required_gb = result
# Determine fit level
budget = effective_vram if run_mode == "gpu" else available_ram
unified_memory = _is_unified_memory_system(system)
total_ram = system.get("total_ram_gb") or available_ram
unified_budget = max(total_ram or 0, available_ram or 0, effective_vram or 0)
budget = unified_budget if unified_memory else (effective_vram if run_mode == "gpu" else available_ram)
if required_gb > budget:
return None
if run_mode == "gpu":
rec = model.get("recommended_ram_gb") or required_gb
if rec <= gpu_vram:
fit_level = "perfect"
elif gpu_vram >= required_gb * 1.2:
fit_level = "good"
if unified_memory:
fit_level = _fit_level_for_budget(required_gb, budget)
else:
fit_level = "marginal"
# GPU-only fit must leave real allocator/KV/runtime headroom. The
# old check used recommended_ram_gb (or required_gb as a fallback),
# which made any model that barely fit VRAM read as "perfect".
# On CUDA/vLLM/SGLang that is misleading: 141 GB on a 160 GB box is
# runnable, but not a comfortable perfect fit.
if gpu_vram >= required_gb * 1.50:
fit_level = "perfect"
elif gpu_vram >= required_gb * 1.2:
fit_level = "good"
else:
fit_level = "marginal"
elif run_mode == "cpu_offload":
fit_level = "good" if available_ram >= required_gb * 1.2 else "marginal"
fit_level = _fit_level_for_budget(required_gb, budget)
if fit_level == "perfect":
fit_level = "good"
else:
fit_level = "marginal"
fit_level = _fit_level_for_budget(required_gb, budget)
if fit_level == "too_tight":
fit_level = "marginal"
tps = _estimate_speed(model, quant, run_mode, system)
# Rows that comfortably fit in a huge RAM/unified-memory pool should not all
# look "marginal"; that made 1B-70B CPU/Ollama rows orange on 256 GB systems.
if fit_level == "marginal" and budget and required_gb <= budget * 0.78:
fit_level = "good"
if fit_level == "good" and budget and required_gb <= budget * 0.50 and run_mode != "cpu_offload":
fit_level = "perfect"
q_score = _quality_score(model, quant, use_case)
s_score = _speed_score(tps, use_case)
# Fraction of the model that spills to CPU RAM (drives the offload speed
# model). When offloading, anything beyond the GPU's VRAM lives in system RAM.
offload_frac = 0.0
if run_mode == "cpu_offload" and required_gb > 0 and effective_vram > 0:
offload_frac = max(0.0, (required_gb - effective_vram) / required_gb)
tps = _estimate_speed(model, quant, run_mode, system, offload_frac=offload_frac)
q_score = _quality_score(model, quant, score_use_case)
s_score = _speed_score(tps, score_use_case)
f_score = _fit_score(required_gb, budget)
c_score = _context_score(fit_ctx, use_case)
c_score = _context_score(fit_ctx, score_use_case)
wq, ws, wf, wc = USE_CASE_WEIGHTS.get(use_case, (0.45, 0.30, 0.15, 0.10))
wq, ws, wf, wc = USE_CASE_WEIGHTS.get(score_use_case, (0.45, 0.30, 0.15, 0.10))
composite = q_score * wq + s_score * ws + f_score * wf + c_score * wc
return {
@@ -337,7 +603,7 @@ def analyze_model(model, system, target_quant=None):
"parameter_count": model.get("parameter_count"),
"params_b": round(pb, 1),
"is_moe": is_moe,
"use_case": use_case,
"use_case": model_use_case,
"fit_level": fit_level,
"run_mode": run_mode,
"quant": quant,
@@ -352,21 +618,101 @@ def analyze_model(model, system, target_quant=None):
"context": round(c_score, 1),
},
"gguf_sources": model.get("gguf_sources", []),
"context_length": model.get("context_length", 4096),
"context_length": model_ctx,
"release_date": model.get("release_date", ""),
"target_context": target_context or None,
}
def _version_key(name):
"""Parse the model's version number from its display name so equal-score
rows can break ties in favor of the newer release (e.g. M2.7 > M2.5).
Returns a float; 0.0 for names with no recognizable version. The regex
grabs the FIRST 'word-with-digits' pattern after a hyphen/underscore,
so e.g. 'MiniMax-M2.7' -> 2.7, 'Qwen3.6-35B' -> 3.6, 'M2' -> 2.0."""
import re as _re
if not name:
return 0.0
# Match the version-marker word: a letter followed by a number with
# optional decimal, e.g. M2.7, V4, Pro3. Take the first hit; ignore
# "B" param-count suffixes (Qwen3-235B should yield 3, not 235).
for m in _re.finditer(r"[A-Za-z](\d+(?:\.\d+)?)(?![A-Za-z])", name):
val = m.group(1)
# Skip param-count tokens (e.g. "235B" gives "235" but the next
# char would be "B" — already excluded by the negative lookahead).
try:
f = float(val)
except ValueError:
continue
# Heuristic: bare integers >= 100 are almost certainly param counts
# (1B/3B/8B/70B/235B…), not version numbers. Skip them.
if "." not in val and f >= 100:
continue
return f
return 0.0
SORT_KEYS = {
"score": lambda r: r["score"],
# Score sort with version-aware tiebreaker — when two rows tie on
# composite score (a common case for the SAME base model in different
# versions, e.g. MiniMax-M2.5 vs M2.7 both at the same FP8 budget),
# prefer the newer version. Without this, ties resolved to whatever
# order they came out of the registry, which let older releases land
# above newer ones in user-facing lists.
"score": lambda r: (r["score"], _version_key(r.get("name") or "")),
"speed": lambda r: r["speed_tps"],
"vram": lambda r: r["required_gb"],
"params": lambda r: r["params_b"],
"context": lambda r: r["context"],
# Newest first. release_date is an ISO-ish string ("2026-05-30"); plain
# string sort is chronological. Missing dates sort last (empty < any date,
# and we sort reverse=True for newest, so "" lands at the bottom).
"newest": lambda r: r.get("release_date") or "",
}
def rank_models(system, use_case=None, limit=50, search=None, sort="score", quant=None):
"""Rank all models against detected hardware. Returns sorted list of fit results."""
def _search_blob(*parts):
text = " ".join(str(p or "") for p in parts).lower()
compact = re.sub(r"[^a-z0-9]+", "", text)
spaced = re.sub(r"[^a-z0-9]+", " ", text).strip()
return f"{text} {spaced} {compact}"
def _matches_search(model, search):
terms = [t for t in re.split(r"\s+", (search or "").strip().lower()) if t]
if not terms:
return True
blob = _search_blob(
model.get("name"),
model.get("provider"),
model.get("architecture"),
model.get("quantization"),
model.get("format"),
model.get("parameter_count"),
)
for term in terms:
norm = re.sub(r"[^a-z0-9]+", "", term)
if term not in blob and (not norm or norm not in blob):
if re.fullmatch(r"\d+(?:\.\d+)?b?", term):
try:
wanted = float(term.rstrip("b"))
actual = params_b(model)
except (TypeError, ValueError):
actual = 0
if wanted > 0 and actual > 0 and abs(actual - wanted) <= max(5.0, wanted * 0.08):
continue
return False
return True
def rank_models(system, use_case=None, limit=50, search=None, sort="score", quant=None, target_context=None, fit_only=False):
"""Rank all models against detected hardware. Returns sorted list of fit results.
fit_only: when True, drop rows whose fit_level is "too_tight" (model doesn't
actually fit on the chosen budget). When False (default), every model is
shown — sorting by Param means highest-param PERIOD, even ones that won't
run, so the user can see the truth.
"""
models = get_models()
results = []
@@ -402,44 +748,104 @@ def rank_models(system, use_case=None, limit=50, search=None, sort="score", quan
"is_image_gen": True,
"capabilities": im.get("capabilities", []),
"description": im.get("description", ""),
"dependency_package": im.get("dependency_package", ""),
})
if use_case == "image_gen":
sort_fn = SORT_KEYS.get(sort, SORT_KEYS["score"])
results.sort(key=sort_fn, reverse=(sort != "vram"))
results.sort(key=sort_fn, reverse=True) # see main path below
return results[:limit]
# If user picked a prequantized format (AWQ/FP8/GPTQ), filter to only those models
filter_native = quant and any(quant.startswith(p) for p in ("AWQ-", "GPTQ-", "FP8"))
# If user picked a native prequantized format, filter to only those models.
filter_native = quant and any(quant.startswith(p) for p in (
"AWQ-", "GPTQ-", "FP8", "FP4", "NVFP4", "MXFP4", "NF4",
"INT4", "INT8", "W4A16", "W8A8", "W8A16",
))
# MLX-quantized models only run on Apple Silicon (Metal). Exclude them on
# every other backend (CUDA / ROCm / CPU) so Linux/Windows users don't see
# unrunnable suggestions.
system_backend = (system.get("backend") or "").lower()
apple_silicon = system_backend in ("mps", "metal", "apple")
rocm = system_backend == "rocm"
is_windows = system.get("platform") == "windows"
# Consumer AMD Radeon (RDNA, gfx10/11/12): the practical local serving path
# is GGUF via llama.cpp. vLLM/SGLang on ROCm are validated for datacenter
# Instinct (CDNA, gfx9xx) but are unreliable on consumer RDNA — AWQ kernels
# are largely unsupported there and FP8 needs out-of-tree patches. So treat
# consumer RDNA like Apple Silicon (GGUF-only) and leave CDNA untouched.
# Unknown family (no rocminfo) is left untouched to avoid hiding models from
# a possibly-capable Instinct box on a misdetect.
gpu_family = (system.get("gpu_family") or "").lower()
consumer_amd = system_backend == "rocm" and gpu_family == "rdna"
for m in models:
native_q = m.get("quantization", "")
native_q = _native_quant(m)
is_mlx = _is_mlx_model(m, native_q)
# Drop MLX models on non-Apple hardware
if not apple_silicon and native_q.startswith("mlx-"):
# MLX is Apple Silicon-only. It should never appear on CUDA/ROCm/CPU,
# but it is first-class on Metal where mlx_lm.server can serve it.
if is_mlx and not apple_silicon:
continue
# Format filter: AWQ tab → only AWQ models, FP8 tab → only FP8 models
# ROCm support for vLLM/SGLang quantized safetensors is too brittle to
# recommend blindly in the default scan. Keep AWQ/GPTQ/FP8 discoverable
# only when the user explicitly picks that format from the quant filter;
# otherwise prefer GGUF/Q* entries that Odysseus can route through
# llama.cpp/Ollama without pretending "fits VRAM" means "servable".
if rocm and is_prequantized(m) and not filter_native:
continue
# On Apple Silicon the only serving engines are llama.cpp and Ollama,
# both GGUF-only (vLLM/SGLang are CUDA/ROCm and don't run on macOS). So
# a model is Metal-servable ONLY if it ships a real GGUF. Drop everything
# else — raw safetensors repos (which the catalog still tags with a
# default GGUF quant) and vLLM-only AWQ/GPTQ/FP8 builds alike. Without
# this the Cookbook recommends models the Mac can't run; on CUDA these
# stay visible because vLLM serves safetensors directly.
#
# Consumer AMD (RDNA) is the same story: GGUF via llama.cpp is the
# servable path, so a model needs a real GGUF to be recommended.
# Otherwise the Cookbook rates vLLM-only AWQ/GPTQ builds "GOOD" on a
# Radeon that can't actually serve them.
#
# Windows is the same: Odysseus only supports llama.cpp on Windows,
# which requires GGUF. vLLM/SGLang are explicitly blocked, so AWQ/GPTQ
# models without a GGUF source are unservable there.
if (apple_silicon or consumer_amd or is_windows) and not is_mlx and not (m.get("is_gguf") or m.get("gguf_sources")):
continue
# Format filter: AWQ tab -> only AWQ models, FP4 tab -> FP4-family models, etc.
if filter_native:
if quant == "FP8" and native_q != "FP8":
continue
if quant == "FP4" and native_q not in ("FP4", "NVFP4", "MXFP4", "NF4"):
continue
if quant.startswith("AWQ") and not native_q.startswith("AWQ"):
continue
if quant.startswith("GPTQ") and not native_q.startswith("GPTQ"):
continue
if search:
name = m.get("name", "").lower()
provider = m.get("provider", "").lower()
if search.lower() not in name and search.lower() not in provider:
if quant.startswith("NVFP4") and not native_q.startswith("NVFP4"):
continue
if quant in ("INT4", "INT8", "W4A16", "W8A8", "W8A16") and native_q != quant:
continue
result = analyze_model(m, system, target_quant=quant)
if search and not _matches_search(m, search):
continue
model_quant = quant
# UI "Q4" means the user's looking for a 4-bit fit. On multi-GPU
# CUDA/vLLM/SGLang boxes, many practical 4-bit models are native AWQ
# safetensors, not GGUF Q4_K_M. If we pass Q4_K_M into a prequantized
# AWQ row, analyze_model correctly rejects it as the wrong serving
# format, but the result is confusing: highlighting Quant/Q4 hides the
# exact AWQ rows the machine is built to run. Treat Q4 as AWQ-4bit for
# native AWQ rows only on accelerator servers that can serve them.
if (
quant == "Q4_K_M"
and not (apple_silicon or consumer_amd or is_windows)
and native_q == "AWQ-4bit"
):
model_quant = native_q
result = analyze_model(m, system, target_quant=model_quant, scoring_use_case=(use_case or "general"), target_context=target_context)
if result is None:
continue
@@ -450,14 +856,21 @@ def rank_models(system, use_case=None, limit=50, search=None, sort="score", quan
results.append(result)
# Pick the visible SET by best fit (score) first, so it stays the same no
# matter which column the user sorts by — otherwise sorting by params would
# truncate to the N biggest models (huge ones that don't even fit) while
# sorting by vram showed the N smallest. Only AFTER choosing the set do we
# order it by the requested column.
results.sort(key=SORT_KEYS["score"], reverse=True)
results = results[:limit]
# Pick the visible SET by the REQUESTED column. Per-user feedback: sorting
# by Param should show the highest-param models PERIOD, not just those that
# already fit. Same for every other column. Models that don't fit are still
# in the list with their fit_level marking the constraint, so the user can
# see the truth instead of a quietly-truncated view. Score sort is unchanged
# (it's the default ranking and naturally pushes non-fits to the bottom).
if fit_only:
# Hide rows that definitely don't fit (the "too_tight" badge) — user
# explicitly asked for a Fit-only view.
results = [r for r in results if r.get("fit_level") != "too_tight"]
sort_fn = SORT_KEYS.get(sort, SORT_KEYS["score"])
# vram ascending (smallest first), everything else descending (biggest first)
results.sort(key=sort_fn, reverse=(sort != "vram"))
# Always sort descending then truncate top-N so each column shows the
# global highest by that metric. Before, vram was special-cased
# ascending → truncate kept the 50 SMALLEST models and "highest VRAM"
# could never appear, breaking the column-click toggle.
results.sort(key=sort_fn, reverse=True)
results = results[:limit]
return results
+518 -68
View File
@@ -1,9 +1,21 @@
import json
import os
import platform
import re
import shutil
import subprocess
import time
import shlex
CACHE_TTL = 1800 # 30 min — hardware rarely changes; use the Rescan button to force a re-probe
from core.platform_compat import (
NVIDIA_PATH_CANDIDATES,
SSH_PATH_OVERRIDE,
run_ssh_command,
)
CACHE_TTL = 24 * 3600 # 24 h — hardware probes are user-initiated via the Rescan button; bumped
# from 30 min so changing filters doesn't keep re-probing the rig every
# half-hour during a long session.
_remote_host = None # set by detect_system(host=...)
@@ -17,16 +29,17 @@ def _run(cmd):
if _remote_host:
# Run command on remote host via SSH
if isinstance(cmd, list):
cmd_str = " ".join(cmd)
cmd_str = shlex.join(str(c) for c in cmd)
else:
cmd_str = cmd
ssh_cmd = ["ssh", "-o", "ConnectTimeout=5", "-o", "StrictHostKeyChecking=no"]
if _remote_port and _remote_port != "22":
ssh_cmd += ["-p", _remote_port]
ssh_cmd += [_remote_host, cmd_str]
r = subprocess.run(
ssh_cmd,
capture_output=True, text=True, timeout=15,
r = run_ssh_command(
_remote_host,
_remote_port,
cmd_str,
timeout=15,
connect_timeout=5,
strict_host_key_checking=False,
text=True,
)
else:
r = subprocess.run(cmd, capture_output=True, text=True, timeout=10)
@@ -72,21 +85,29 @@ def _detect_nvidia():
global _last_gpu_error
_last_gpu_error = None
out = _run(["nvidia-smi", "--query-gpu=memory.total,name", "--format=csv,noheader,nounits"])
# Remote fallback: a non-interactive SSH shell often has a minimal PATH
# that omits where nvidia-smi lives (/usr/bin, /usr/local/cuda/bin), so the
# first call silently returns nothing → "No GPU" on hosts that DO have GPUs.
# Fallback: a non-interactive shell (or WSL) often has a minimal PATH
# that omits where nvidia-smi lives (/usr/bin, /usr/local/cuda/bin,
# /usr/lib/wsl/lib), so the first call silently returns nothing →
# "No GPU" on machines that DO have GPUs.
# Retry through a login shell with the common CUDA bin dirs on PATH.
if not out and _remote_host:
out = _run(
"bash -lc 'export PATH=\"$PATH:/usr/bin:/usr/local/bin:/usr/local/cuda/bin\"; "
f"bash -lc '{SSH_PATH_OVERRIDE}"
"nvidia-smi --query-gpu=memory.total,name --format=csv,noheader,nounits'"
)
# Last resort: call nvidia-smi by absolute path. Some hosts have a login
# shell that isn't bash (or a profile that errors), so the bash -lc retry
# above still comes back empty even though the binary is right there.
if not out and _remote_host:
for _p in ("/usr/bin/nvidia-smi", "/usr/local/bin/nvidia-smi", "/usr/local/cuda/bin/nvidia-smi"):
out = _run(f"{_p} --query-gpu=memory.total,name --format=csv,noheader,nounits")
# Also handles WSL where nvidia-smi lives at /usr/lib/wsl/lib/ — a path
# that may not be in the server process's PATH.
if not out:
for _p in NVIDIA_PATH_CANDIDATES:
# Use list form so subprocess.run (local) resolves the absolute path
# correctly instead of treating the whole string as an executable name.
if _remote_host:
out = _run(f"{_p} --query-gpu=memory.total,name --format=csv,noheader,nounits")
else:
out = _run([_p, "--query-gpu=memory.total,name", "--format=csv,noheader,nounits"])
if out:
break
if not out:
@@ -103,6 +124,8 @@ def _detect_nvidia():
return None
gpus = []
# Devices nvidia-smi lists with a real name but a non-numeric memory.total.
unified = []
# nvidia-smi lists GPUs in index order (0,1,2,...), so the row position is
# the CUDA device index we'd pass to CUDA_VISIBLE_DEVICES.
for idx, line in enumerate(out.strip().split("\n")):
@@ -112,9 +135,32 @@ def _detect_nvidia():
vram_mb = float(parts[0])
gpus.append({"index": idx, "name": parts[1], "vram_gb": vram_mb / 1024.0})
except ValueError:
# Grace Blackwell GB10 / DGX Spark and other unified-memory
# NVIDIA parts report memory.total as "[N/A]"/"Not Supported"
# because the GPU shares the system LPDDR pool instead of
# carrying discrete VRAM. Don't drop the device — remember it so
# we report a unified-memory GPU below rather than "No GPU" (#1340).
if parts[1]:
unified.append({"index": idx, "name": parts[1]})
continue
if not gpus:
if unified:
# Unified-memory CUDA box: report the GPU backed by system RAM so the
# Cookbook recommends models and serving works. The pool is shared
# (not per-GPU discrete VRAM), so report the RAM total once.
ram_gb = round(_get_ram_gb(), 1)
gpus = [{"index": g["index"], "name": g["name"], "vram_gb": ram_gb} for g in unified]
return {
"gpu_name": gpus[0]["name"],
"gpu_vram_gb": ram_gb,
"gpu_count": len(gpus),
"gpus": gpus,
"gpu_groups": _group_gpus(gpus),
"homogeneous": True,
"backend": "cuda",
"unified_memory": True,
}
return None
total_vram = sum(g["vram_gb"] for g in gpus)
groups = _group_gpus(gpus)
@@ -129,6 +175,33 @@ def _detect_nvidia():
}
def classify_amd_gfx(gfx):
"""Map an AMD ISA target (e.g. "gfx1200") to (gfx, family).
family is one of:
"rdna" — consumer Radeon RX (gfx10xx RDNA1/2, gfx11xx RDNA3, gfx12xx RDNA4)
"cdna" — datacenter Instinct (gfx908 MI100, gfx90a MI200, gfx94x/95x MI300+)
"gcn" — older GCN/Vega (gfx900/906)
"unknown" — empty/unrecognized; callers must treat conservatively
This drives the serving decision: vLLM/SGLang on ROCm are validated on CDNA
but fragile on consumer RDNA (AWQ kernels largely unsupported, FP8 needs
out-of-tree patches), so RDNA is steered to GGUF/llama.cpp.
"""
gfx = (gfx or "").lower().strip()
m = re.fullmatch(r"gfx(\d+[a-f]?)", gfx)
if not m:
return "", "unknown"
digits = m.group(1)
if digits[:2] in ("10", "11", "12"):
return gfx, "rdna"
if digits in ("908", "90a") or digits[:2] in ("94", "95"):
return gfx, "cdna"
if digits[:1] == "9":
return gfx, "gcn"
return gfx, "unknown"
def _detect_amd():
"""Detect AMD GPUs. Handles both discrete cards (with mem_info_vram_total)
and APUs / unified-memory SoCs like Strix Halo (which expose
@@ -138,7 +211,7 @@ def _detect_amd():
val = _run(["cat", path])
return val.strip() if val else None
try:
with open(path) as f:
with open(path, encoding="utf-8", errors="replace") as f:
return f.read().strip()
except Exception:
return None
@@ -154,6 +227,17 @@ def _detect_amd():
except Exception:
return []
def _amd_arch():
"""Best-effort AMD GPU ISA + family from rocminfo.
rocminfo is the source of truth; its GPU agents report a `Name: gfxNNNN`
line (CPU agents report a brand string, not a gfx target), so the first
gfx match is the GPU ISA. Returns (gfx, family) — see classify_amd_gfx.
"""
info = _run(["rocminfo"]) or _run(["/opt/rocm/bin/rocminfo"]) or ""
m = re.search(r"gfx\d+[a-f]?", info)
return classify_amd_gfx(m.group(0) if m else "")
try:
cards = []
is_apu = False
@@ -186,6 +270,7 @@ def _detect_amd():
return None
total_vram = sum(c["vram_gb"] for c in cards)
groups = _group_gpus(cards)
gfx, family = _amd_arch()
# NOTE: for APUs with BIOS UMA carveout (e.g. Strix Halo), vis_vram_total
# is the real usable GPU memory — it's physically backed but reserved
# by BIOS so it doesn't appear in /proc/meminfo. Don't cap it at system
@@ -197,19 +282,146 @@ def _detect_amd():
"gpus": cards,
"gpu_groups": groups,
"homogeneous": len(groups) <= 1,
"backend": "rocm",
# Pick the actual runtime label: ROCm/HIP only when its
# toolchain is installed, otherwise Vulkan if vulkaninfo is
# present (mesa RADV works fine on RDNA/CDNA when ROCm
# packages are absent — see Strix Halo where ROCm support
# is still backporting). Reporting "rocm" on a Vulkan-only
# host misleads downstream env-var pinning
# (HIP_VISIBLE_DEVICES is a no-op there).
"backend": (
"rocm" if (_run(["which", "rocminfo"]) or _run(["which", "hipconfig"]))
else ("vulkan" if _run(["which", "vulkaninfo"]) else "rocm")
),
"unified_memory": is_apu,
# AMD ISA/family so downstream can tell datacenter Instinct (CDNA,
# where vLLM/SGLang run AWQ/GPTQ reliably) from consumer Radeon
# (RDNA, where the practical path is GGUF via llama.cpp). Empty/
# "unknown" when rocminfo isn't available — callers must treat
# unknown conservatively, not assume vLLM works.
"gpu_arch": gfx,
"gpu_family": family,
}
except Exception:
return None
def _detect_apple_silicon():
"""Detect Apple Silicon (M-series) GPUs.
Macs have no discrete VRAM — the GPU shares the system's unified memory.
We report a fraction of total RAM as the usable GPU budget (matching macOS's
default Metal working-set limit) so the Cookbook recommends models that
actually run on the GPU instead of classifying the machine as CPU-only.
backend="metal" is what services.hwfit.fit and the serve-command generation
key off of (they already understand MLX / llama.cpp-Metal). Works locally
(platform.system()=="Darwin") and over SSH (uname -s == Darwin).
"""
# Gate to macOS — locally via platform, remotely via uname.
if _remote_host:
if "darwin" not in (_run(["uname", "-s"]) or "").lower():
return None
arch = (_run(["uname", "-m"]) or "").lower()
else:
if platform.system() != "Darwin":
return None
arch = platform.machine().lower()
# Only Apple Silicon (arm64) has a Metal GPU worth serving LLMs on; Intel
# Macs fall through to the CPU path.
if _canonical_cpu_arch(arch) != "arm64":
return None
# Chip name, e.g. "Apple M4 Max" — carries the Pro/Max/Ultra variant that
# the fit bandwidth table keys off of.
brand = (_run(["sysctl", "-n", "machdep.cpu.brand_string"]) or "Apple Silicon").strip()
# Total unified memory in bytes.
memsize = _run(["sysctl", "-n", "hw.memsize"])
try:
total_gb = int(memsize) / (1024**3) if memsize else 0.0
except ValueError:
total_gb = 0.0
if total_gb <= 0:
return None
def _parse_apple_gpu_cores(text):
if not text:
return None
try:
data = json.loads(text)
except (TypeError, ValueError, json.JSONDecodeError):
data = None
if isinstance(data, dict):
for gpu in data.get("SPDisplaysDataType") or []:
if not isinstance(gpu, dict):
continue
model = str(gpu.get("sppci_model") or gpu.get("_name") or "")
if "apple" not in model.lower():
continue
cores = gpu.get("sppci_cores")
try:
return int(str(cores).strip())
except (TypeError, ValueError):
continue
m = re.search(r"Total Number of Cores:\s*(\d+)", text)
if m:
try:
return int(m.group(1))
except ValueError:
return None
return None
gpu_cores = _parse_apple_gpu_cores(_run(["system_profiler", "SPDisplaysDataType", "-json"]))
if gpu_cores is None:
gpu_cores = _parse_apple_gpu_cores(_run(["system_profiler", "SPDisplaysDataType"]))
# Usable GPU budget. macOS lets Metal use most of unified memory, but the
# default working-set limit scales with RAM: small machines have to keep
# more back for the OS + app. These fractions track Apple's
# recommendedMaxWorkingSetSize defaults across the lineup. Honour an
# explicit override if the user raised it with
# `sudo sysctl iogpu.wired_limit_mb=…`.
if total_gb <= 16:
frac = 0.67
elif total_gb <= 64:
frac = 0.75
else:
frac = 0.80
vram_gb = round(total_gb * frac, 1)
wired = _run(["sysctl", "-n", "iogpu.wired_limit_mb"])
try:
wired_mb = int(wired) if wired else 0
if wired_mb > 0:
vram_gb = round(wired_mb / 1024.0, 1)
except ValueError:
pass
gpu = {"index": 0, "name": brand, "vram_gb": vram_gb}
info = {
"gpu_name": brand,
"gpu_vram_gb": vram_gb,
"gpu_count": 1,
"gpus": [gpu],
"gpu_groups": _group_gpus([gpu]),
"homogeneous": True,
"backend": "metal",
# Unified memory: the "VRAM" above is carved out of system RAM, not a
# separate pool — downstream fit logic uses this to avoid double-budgeting.
"unified_memory": True,
}
if gpu_cores is not None:
info["gpu_cores"] = gpu_cores
return info
def _read_file(path):
"""Read a file, locally or via SSH."""
if _remote_host:
return _run(["cat", path])
try:
with open(path) as f:
with open(path, encoding="utf-8", errors="replace") as f:
return f.read()
except Exception:
return None
@@ -238,7 +450,9 @@ def _get_ram_gb():
if "MemTotal" in meminfo:
return meminfo["MemTotal"] / (1024**2)
if not _remote_host:
# os.sysconf only exists on Unix; on Windows it's absent (AttributeError)
# and these constants aren't defined — guard so this never raises there.
if not _remote_host and hasattr(os, "sysconf") and "SC_PHYS_PAGES" in getattr(os, "sysconf_names", {}):
try:
pages = os.sysconf("SC_PHYS_PAGES")
page_size = os.sysconf("SC_PAGE_SIZE")
@@ -246,6 +460,15 @@ def _get_ram_gb():
return (pages * page_size) / (1024**3)
except Exception:
pass
# macOS has no /proc/meminfo — fall back to sysctl (works locally and over
# SSH to a remote Mac, where the sysconf path above isn't taken).
memsize = _run(["sysctl", "-n", "hw.memsize"])
if memsize:
try:
return int(memsize.strip()) / (1024**3)
except ValueError:
pass
return 0.0
@@ -263,6 +486,12 @@ def _get_cpu_name():
if line.startswith("model name"):
return line.split(":", 1)[1].strip()
# macOS has no /proc/cpuinfo — sysctl gives the chip name (e.g. "Apple M4").
# Harmlessly returns nothing on Linux, so it's safe to try unconditionally.
brand = _run(["sysctl", "-n", "machdep.cpu.brand_string"])
if brand and brand.strip():
return brand.strip()
if not _remote_host:
return platform.processor() or "unknown"
return "unknown"
@@ -270,7 +499,8 @@ def _get_cpu_name():
def _get_cpu_count():
if _remote_host:
out = _run(["nproc"])
# nproc on Linux; hw.ncpu via sysctl on a remote Mac (no nproc there).
out = _run(["nproc"]) or _run(["sysctl", "-n", "hw.ncpu"])
if out:
try:
return int(out.strip())
@@ -283,60 +513,156 @@ def _get_cpu_count():
return os.cpu_count() or 1
def _canonical_cpu_arch(value):
arch = str(value or "").lower().strip().replace("-", "_")
if arch in ("x86_64", "amd64", "x64"):
return "x86_64"
if arch in ("i386", "i686", "x86"):
return "x86"
if arch in ("arm64", "aarch64"):
return "arm64"
if arch == "arm" or arch.startswith("armv"):
return "arm"
return arch
def _get_cpu_arch():
if _remote_host:
return _canonical_cpu_arch(_run(["uname", "-m"]) or "")
return _canonical_cpu_arch(platform.machine())
def _powershell_exe():
"""Pick the best PowerShell executable for LOCAL execution: prefer pwsh
(PowerShell 7+), fall back to Windows PowerShell 5.1. Returns an absolute
path so we don't depend on a particular PATH ordering."""
return shutil.which("pwsh") or shutil.which("powershell") or "powershell"
def _powershell_encoded_for_ssh(script: str):
"""Run a PowerShell script on a remote Windows host over SSH.
Nested quotes in powershell -Command break when passed through Windows
OpenSSH's cmd wrapper; -EncodedCommand avoids that.
"""
import base64
encoded = base64.b64encode(script.encode("utf-16-le")).decode("ascii")
return _run(f"powershell -NoProfile -EncodedCommand {encoded}")
def _probe_remote_platform():
"""Best-effort OS detection over SSH when the caller didn't pass platform."""
out = _run("echo %OS%")
if out and "Windows_NT" in out:
return "windows"
uname = (_run(["uname", "-s"]) or "").strip().lower()
if uname == "darwin":
# Mac uses the linux detection path (_detect_apple_silicon over SSH).
return "linux"
if uname == "linux":
out = _run("test -d /data/data/com.termux && echo termux || echo linux")
if out and "termux" in out:
return "termux"
return "linux"
def _detect_windows():
"""Detect Windows hardware in a single SSH call using PowerShell."""
"""Detect Windows hardware via PowerShell/WMI.
Works for BOTH local (host="") and remote (SSH) detection:
* remote -> `_run` ships the string to the host over SSH.
* local -> `_run` executes a list argv directly (no shell quoting hell).
"""
# Single PowerShell command that gathers all hardware info at once
ps_cmd = (
"$r = @{}; "
"$os = Get-CimInstance Win32_OperatingSystem; "
"$r.ram_gb = [math]::Round($os.TotalVisibleMemorySize / 1048576, 1); "
"$r.avail_gb = [math]::Round($os.FreePhysicalMemory / 1048576, 1); "
"$cpu = Get-CimInstance Win32_Processor | Select-Object -First 1; "
"$r.cpu_name = $cpu.Name; "
"$r.cpu_cores = (Get-CimInstance Win32_Processor | Measure-Object -Property NumberOfLogicalProcessors -Sum).Sum; "
"$r.arch = $cpu.AddressWidth; "
"""
$r = @{}
$os = Get-CimInstance Win32_OperatingSystem
$r.ram_gb = [math]::Round($os.TotalVisibleMemorySize / 1048576, 1)
$r.avail_gb = [math]::Round($os.FreePhysicalMemory / 1048576, 1)
$cpu = Get-CimInstance Win32_Processor | Select-Object -First 1
$r.cpu_name = $cpu.Name
$r.cpu_cores = (Get-CimInstance Win32_Processor | Measure-Object -Property NumberOfLogicalProcessors -Sum).Sum
$r.arch = $cpu.AddressWidth
$r.cpu_arch = if ($env:PROCESSOR_ARCHITEW6432) { $env:PROCESSOR_ARCHITEW6432 } else { $env:PROCESSOR_ARCHITECTURE }
# GPU detection via nvidia-smi (fastest) or WMI fallback
"try { "
" $nv = nvidia-smi --query-gpu=memory.total,name --format=csv,noheader,nounits 2>$null; "
" if ($LASTEXITCODE -eq 0 -and $nv) { "
" $gpus = @(); "
" foreach ($line in $nv -split \"`n\") { "
" $p = $line -split ','; "
" if ($p.Count -ge 2) { $gpus += @{name=$p[1].Trim(); vram_mb=[double]$p[0].Trim()} } "
" }; "
" $r.gpu_name = $gpus[0].name; "
" $r.gpu_vram_gb = [math]::Round(($gpus | Measure-Object -Property vram_mb -Sum).Sum / 1024, 1); "
" $r.gpu_count = $gpus.Count; "
" $r.gpu_backend = 'cuda'; "
" } "
"} catch {}; "
"if (-not $r.gpu_name) { "
" $wmiGpu = Get-CimInstance Win32_VideoController | Where-Object { $_.AdapterRAM -gt 0 } | Select-Object -First 1; "
" if ($wmiGpu) { "
" $r.gpu_name = $wmiGpu.Name; "
" $r.gpu_vram_gb = [math]::Round($wmiGpu.AdapterRAM / 1073741824, 1); "
" $r.gpu_count = 1; "
" $r.gpu_backend = 'cpu_x86'; " # WMI doesn't tell us CUDA/ROCm
" } "
"}; "
"$r | ConvertTo-Json -Compress"
try {
$nv = nvidia-smi --query-gpu=memory.total,name --format=csv,noheader,nounits 2>$null
if ($LASTEXITCODE -eq 0 -and $nv) {
$gpus = @()
foreach ($line in $nv -split "`n") {
$p = $line -split ','
if ($p.Count -ge 2) { $gpus += [pscustomobject]@{name = $p[1].Trim(); vram_mb = [double]$p[0].Trim() } }
}
$r.gpu_name = $gpus[0].name
$r.gpu_vram_gb = [math]::Round(($gpus | Measure-Object -Property vram_mb -Sum).Sum / 1024, 1)
$r.gpu_count = $gpus.Count
$r.gpu_backend = 'cuda'
}
}
catch {}
if (-not $r.gpu_name) {
$wmiGpu = Get-CimInstance Win32_VideoController | Where-Object { $_.AdapterRAM -gt 0 } | Select-Object -First 1
$GPUDriverKey = "HKLM:\\SYSTEM\\CurrentControlSet\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}\\0*"
$GPUDeviceID = $wmiGpu.PNPDeviceID.Split('&')[0..1] -join '&'
$VRAMfromRegistry = Get-ItemProperty -Path $GPUDriverKey |
Where-Object { $_.MatchingDeviceId -like "${GPUDeviceID}*" } |
# Sometimes there happen to be multiple driver classes for the same gpu.
Select-Object -ExpandProperty HardwareInformation.qwMemorySize -ErrorAction SilentlyContinue -First 1
if ($wmiGpu) {
$r.gpu_name = $wmiGpu.Name
# Edge case: driver is broken, otherwise $wmiGpu.AdapterRAM is redundant
if ($VRAMfromRegistry -ge $wmiGpu.AdapterRAM) {
$r.gpu_vram_gb = [math]::Round($VRAMfromRegistry / 1073741824, 1)
}
else {
$r.gpu_vram_gb = [math]::Round($wmiGpu.AdapterRAM / 1073741824, 1)
}
$r.gpu_count = 1
# WMI doesn't tell us CUDA/ROCm
$r.gpu_backend = 'cpu_x86';
}
}
$r | ConvertTo-Json -Compress
"""
)
out = _run(f'powershell -Command "{ps_cmd}"')
if _remote_host:
# Remote: use -EncodedCommand so OpenSSH/cmd quoting does not break the script.
out = _powershell_encoded_for_ssh(ps_cmd.strip())
else:
# Local: pass a LIST argv straight to subprocess so the OS hands ps_cmd
# to PowerShell verbatim — no fragile string-level quote escaping. Prefer
# pwsh (PS7), else Windows PowerShell 5.1.
out = _run([_powershell_exe(), "-NoProfile", "-NonInteractive", "-Command", ps_cmd])
if not out:
return None
import json as _json
try:
d = _json.loads(out)
# PowerShell's Measure-Object .Sum / .Count come back as JSON numbers and
# decode to float; the Linux path returns plain ints for these — coerce
# so the dict shape (and downstream int math) matches across platforms.
def _as_int(v, default):
try:
return int(v)
except (TypeError, ValueError):
return default
_cpu_name = (d.get("cpu_name") or "unknown")
if isinstance(_cpu_name, str):
_cpu_name = _cpu_name.strip() or "unknown"
result = {
"total_ram_gb": d.get("ram_gb", 0),
"available_ram_gb": d.get("avail_gb", 0),
"cpu_cores": d.get("cpu_cores", 1),
"cpu_name": d.get("cpu_name", "unknown"),
"cpu_cores": _as_int(d.get("cpu_cores"), 1),
"cpu_name": _cpu_name,
"cpu_arch": _canonical_cpu_arch(d.get("cpu_arch")),
"has_gpu": bool(d.get("gpu_name")),
"gpu_name": d.get("gpu_name"),
"gpu_vram_gb": d.get("gpu_vram_gb"),
"gpu_count": d.get("gpu_count", 0),
"gpu_count": _as_int(d.get("gpu_count"), 0),
"backend": d.get("gpu_backend", "cpu_x86"),
"homogeneous": True,
"gpu_error": None,
"platform": "windows",
}
# PowerShell only reports aggregate GPU info, not per-card detail, so we
# can't tell a mixed box from a uniform one here — assume one homogeneous
@@ -363,6 +689,106 @@ def _detect_windows():
_cache_by_host = {} # host -> (timestamp, result)
def _cache_key(host: str, ssh_port: str, platform_name: str):
"""Build a stable cache key that isolates remote SSH context.
Same host aliases can have different hardware due to visibility, forwarding etc.
To avoid using the wrong cached hardware info, include the SSH port and platform in the cache key.
"""
return (
host or "_local",
str(ssh_port or ""),
str(platform_name or "").lower(),
)
def _is_containerized():
"""Best-effort check for whether the local Odysseus process is running in a container."""
if _remote_host:
return False
if os.path.exists("/.dockerenv"):
return True
try:
with open("/proc/1/cgroup", encoding="utf-8", errors="replace") as f:
text = f.read().lower()
return any(marker in text for marker in ("docker", "containerd", "kubepods"))
except Exception:
return False
def _hardware_visibility_warning(result):
"""Return a non-blocking UX warning when detected hardware may only be container-visible."""
if not isinstance(result, dict):
return None
if result.get("manual_hardware"):
return None
if not result.get("containerized"):
return None
if result.get("gpu_error"):
return None
if not result.get("has_gpu"):
return {
"code": "container_no_gpu_visible",
"severity": "warning",
"title": "No GPU visible inside Docker",
"message": (
"Cookbook is scanning hardware from inside the Odysseus container. "
"If your host has a GPU, Docker may not be exposing it to the container, "
"so model recommendations may be CPU-only or too conservative."
),
"actions": [
"manual_hardware",
"rescan",
"copy_diagnostics",
],
}
total_ram = result.get("total_ram_gb") or 0
if total_ram and total_ram <= 8:
return {
"code": "container_low_ram_visible",
"severity": "info",
"title": "Container-visible RAM may be lower than host RAM",
"message": (
"Cookbook is seeing the RAM available inside the container. "
"If your host has more memory, validate host RAM separately or use Manual Hardware."
),
"actions": [
"manual_hardware",
"rescan",
"copy_diagnostics",
],
}
return None
def _attach_probe_context(result, host=""):
"""Attach probe-scope metadata and optional hardware visibility warning."""
if not isinstance(result, dict) or result.get("error"):
return result
is_remote = bool(host)
containerized = False if is_remote else _is_containerized()
result["probe_scope"] = "remote" if is_remote else ("container" if containerized else "native")
result["containerized"] = containerized
warning = _hardware_visibility_warning(result)
if warning:
result["hardware_visibility_warning"] = warning
else:
result.pop("hardware_visibility_warning", None)
return result
def detect_system(host="", ssh_port="", platform="", fresh=False):
"""Detect system hardware: RAM, CPU, GPU. Cached per host (hardware rarely
changes, and probing a remote host over SSH is slow). Pass fresh=True to
@@ -372,7 +798,14 @@ def detect_system(host="", ssh_port="", platform="", fresh=False):
"""
global _remote_host, _remote_port, _remote_platform
cache_key = host or "_local"
if host and not platform:
_remote_host = host
_remote_port = ssh_port or None
platform = _probe_remote_platform()
_remote_host = None
_remote_port = None
cache_key = _cache_key(host, ssh_port, platform)
now = time.time()
if not fresh and cache_key in _cache_by_host:
ts, cached = _cache_by_host[cache_key]
@@ -387,17 +820,31 @@ def detect_system(host="", ssh_port="", platform="", fresh=False):
if _remote_platform == "windows" and _remote_host:
result = _detect_windows()
if result:
result = _attach_probe_context(result, host=host)
_remote_host = None
_remote_platform = None
_cache_by_host[cache_key] = (now, result)
return result
# If Windows detection failed, return error
result = {"error": f"Cannot connect to {host}", "host": host}
# SSH may work while the PowerShell hardware probe still fails.
result = {"error": f"Windows hardware probe failed for {host}", "host": host}
_remote_host = None
_remote_platform = None
_cache_by_host[cache_key] = (now, result)
return result
# Local Windows: the Linux /proc + /sys + os.sysconf path returns 0 GB RAM,
# "unknown" CPU and no GPU on Windows (and os.sysconf doesn't even exist),
# so detect locally via PowerShell/WMI instead. _detect_windows() runs the
# same probe used for remote Windows, but _run() executes it locally.
if not _remote_host and os.name == "nt":
result = _detect_windows()
if result:
result = _attach_probe_context(result, host=host)
_cache_by_host[cache_key] = (now, result)
return result
# PowerShell probe failed entirely — fall through to the generic path
# below so we at least return a well-shaped dict rather than crashing.
# Linux/Termux: existing multi-command detection
total_ram = round(_get_ram_gb(), 1)
# If remote host returns 0 RAM, connection likely failed
@@ -410,8 +857,9 @@ def detect_system(host="", ssh_port="", platform="", fresh=False):
available_ram = round(_get_available_ram_gb(), 1)
cpu_cores = _get_cpu_count()
cpu_name = _get_cpu_name()
cpu_arch = _get_cpu_arch()
gpu_info = _detect_nvidia() or _detect_amd()
gpu_info = _detect_apple_silicon() or _detect_nvidia() or _detect_amd()
if gpu_info:
result = {
@@ -419,27 +867,28 @@ def detect_system(host="", ssh_port="", platform="", fresh=False):
"available_ram_gb": available_ram,
"cpu_cores": cpu_cores,
"cpu_name": cpu_name,
"cpu_arch": cpu_arch,
"has_gpu": True,
"gpu_name": gpu_info["gpu_name"],
"gpu_vram_gb": gpu_info["gpu_vram_gb"],
"gpu_count": gpu_info["gpu_count"],
"gpu_cores": gpu_info.get("gpu_cores"),
"gpus": gpu_info.get("gpus", []),
"gpu_groups": gpu_info.get("gpu_groups", []),
"homogeneous": gpu_info.get("homogeneous", True),
"backend": gpu_info["backend"],
# Apple Silicon / AMD APUs share system RAM with the GPU — carry the
# flag through so callers can tell unified from discrete VRAM.
"unified_memory": gpu_info.get("unified_memory", False),
}
else:
if _remote_host:
arch_out = _run(["uname", "-m"]) or ""
else:
import platform as _platform
arch_out = _platform.machine().lower()
backend = "cpu_arm" if "aarch64" in arch_out or "arm" in arch_out else "cpu_x86"
backend = "cpu_arm" if cpu_arch == "arm64" else "cpu_x86"
result = {
"total_ram_gb": total_ram,
"available_ram_gb": available_ram,
"cpu_cores": cpu_cores,
"cpu_name": cpu_name,
"cpu_arch": cpu_arch,
"has_gpu": False,
"gpu_name": None,
"gpu_vram_gb": None,
@@ -451,6 +900,7 @@ def detect_system(host="", ssh_port="", platform="", fresh=False):
"gpu_error": _last_gpu_error,
}
result = _attach_probe_context(result, host=host)
_remote_host = None
_remote_platform = None
_cache_by_host[cache_key] = (now, result)
+374
View File
@@ -0,0 +1,374 @@
import json
import os
import re
import time
import urllib.parse
import urllib.request
from email.utils import parsedate_to_datetime
from pathlib import Path
from src.constants import DATA_DIR
HF_COLLECTIONS_URL = "https://huggingface.co/api/collections"
HW_FIT_CACHE_DIR = Path(DATA_DIR) / "hwfit"
MLX_COMMUNITY_CACHE = HW_FIT_CACHE_DIR / "mlx_community_models.json"
HF_COLLECTION_MODELS_CACHE = HW_FIT_CACHE_DIR / "hf_collection_models.json"
HF_COLLECTION_TTL_SECONDS = 24 * 3600
HF_COLLECTION_SOURCES = (
{
"key": "mlx_community",
"owner": "mlx-community",
"provider": "mlx-community",
"repo_prefix": "mlx-community/",
"mlx_only": True,
},
{
"key": "zai_org",
"owner": "zai-org",
"provider": "zai-org",
},
{
"key": "deepseek_ai",
"owner": "deepseek-ai",
"provider": "deepseek-ai",
},
{
"key": "minimax_ai",
"owner": "MiniMaxAI",
"provider": "MiniMaxAI",
},
{
"key": "qwen",
"owner": "Qwen",
"provider": "Qwen",
},
{
"key": "stepfun_ai",
"owner": "stepfun-ai",
"provider": "stepfun-ai",
},
{
"key": "google",
"owner": "google",
"provider": "google",
},
{
"key": "openai",
"owner": "openai",
"provider": "openai",
},
{
"key": "mistralai",
"owner": "mistralai",
"provider": "mistralai",
},
{
"key": "meta_llama",
"owner": "meta-llama",
"provider": "meta-llama",
},
{
"key": "nousresearch",
"owner": "NousResearch",
"provider": "NousResearch",
},
{
"key": "moonshotai",
"owner": "moonshotai",
"provider": "moonshotai",
},
{
"key": "mllama",
"owner": "mllama",
"provider": "mllama",
},
)
def _format_params(raw):
try:
n = int(raw or 0)
except (TypeError, ValueError):
n = 0
if n <= 0:
return "", 0
if n >= 1_000_000_000_000:
return f"{n / 1_000_000_000_000:.3g}T", n
if n >= 1_000_000_000:
return f"{n / 1_000_000_000:.4g}B", n
if n >= 1_000_000:
return f"{n / 1_000_000:.4g}M", n
if n >= 1_000:
return f"{n / 1_000:.4g}K", n
return str(n), n
def _parse_params_from_name(repo_id):
name = (repo_id or "").rsplit("/", 1)[-1]
active = None
m_active = re.search(r"[-_][Aa](\d+(?:\.\d+)?)[Bb](?![a-zA-Z])", name)
if m_active:
active = int(float(m_active.group(1)) * 1_000_000_000)
name = name[: m_active.start()] + name[m_active.end() :]
total = None
for m in re.finditer(r"(\d+(?:\.\d+)?)[Bb](?![a-zA-Z])", name):
total = int(float(m.group(1)) * 1_000_000_000)
break
if total is None:
for m in re.finditer(r"(\d+(?:\.\d+)?)[Mm](?![a-zA-Z])", name):
total = int(float(m.group(1)) * 1_000_000)
break
return total or 0, active
def _infer_quant(repo_id, source):
name = (repo_id or "").rsplit("/", 1)[-1].lower()
if source.get("mlx_only"):
if "8bit" in name or "8-bit" in name:
return "mlx-8bit"
if "6bit" in name or "6-bit" in name:
return "mlx-6bit"
if "5bit" in name or "5-bit" in name:
return "mlx-5bit"
if "3bit" in name or "3-bit" in name:
return "mlx-3bit"
if re.search(r"(^|[-_/])bf16($|[-_/])", name):
return "BF16"
return "mlx-4bit"
if "awq" in name and ("8bit" in name or "8-bit" in name or "int8" in name):
return "AWQ-8bit"
if "awq" in name or "4bit" in name or "4-bit" in name:
return "AWQ-4bit"
if "gptq" in name and ("8bit" in name or "8-bit" in name or "int8" in name):
return "GPTQ-Int8"
if "gptq" in name:
return "GPTQ-Int4"
if "mxfp4" in name or "nvfp4" in name or re.search(r"(^|[-_/])fp4($|[-_/])", name):
return "FP4-MoE-Mixed"
if "mxfp8" in name or re.search(r"(^|[-_/])fp8($|[-_/])", name):
return "FP8-Mixed"
if "gguf" in name or "q4_k" in name or "q4-k" in name:
return "Q4_K_M"
if re.search(r"(^|[-_/])bf16($|[-_/])", name):
return "BF16"
return "BF16"
def _quant_bytes_per_param(quant):
return {
"BF16": 2.2,
"FP8": 1.15,
"FP8-Mixed": 1.15,
"FP4-MoE-Mixed": 0.62,
"AWQ-4bit": 0.62,
"AWQ-8bit": 1.15,
"GPTQ-Int4": 0.62,
"GPTQ-Int8": 1.15,
"Q4_K_M": 0.62,
"mlx-8bit": 1.25,
"mlx-6bit": 0.95,
"mlx-5bit": 0.82,
"mlx-4bit": 0.70,
"mlx-3bit": 0.55,
}.get(quant, 2.2)
def _infer_context(repo_id, pipeline_tag):
text = f"{repo_id or ''} {pipeline_tag or ''}".lower()
if any(k in text for k in ("whisper", "asr", "speech-recognition", "tts", "audio", "image", "video", "diffusion")):
return 4096
if any(k in text for k in ("glm-5.2", "deepseek-v4", "minimax-m3")):
return 1_000_000
if any(k in text for k in ("qwen3", "glm", "deepseek", "minimax")):
return 32768
return 32768
def _infer_use_case(repo_id, pipeline_tag):
text = f"{repo_id or ''} {pipeline_tag or ''}".lower()
if any(k in text for k in ("whisper", "asr", "speech-recognition", "transcrib")):
return "stt"
if any(k in text for k in ("tts", "text-to-speech", "kokoro", "audio")):
return "tts"
if any(k in text for k in ("image-text", "vision", "vlm", "vl-", "ocr", "multimodal")):
return "multimodal"
if any(k in text for k in ("code", "coder")):
return "coding"
if any(k in text for k in ("reason", "thinking", "thinker", "r1")):
return "reasoning"
return "general"
def _entry_from_collection_item(collection, item, source):
repo_id = item.get("id") or ""
if item.get("type") != "model" or not repo_id:
return None
repo_prefix = source.get("repo_prefix")
if repo_prefix and not repo_id.startswith(repo_prefix):
return None
raw_params = item.get("numParameters") or 0
active = None
if not raw_params:
raw_params, active = _parse_params_from_name(repo_id)
param_label, raw_params = _format_params(raw_params)
if not raw_params:
return None
quant = _infer_quant(repo_id, source)
pipeline_tag = item.get("pipeline_tag") or ""
min_ram = round((raw_params / 1_000_000_000) * _quant_bytes_per_param(quant) + 0.8, 1)
last_modified = item.get("lastModified") or collection.get("lastUpdated") or ""
release_date = ""
if last_modified:
try:
release_date = parsedate_to_datetime(last_modified).date().isoformat()
except Exception:
release_date = str(last_modified)[:10]
entry = {
"name": repo_id,
"provider": source.get("provider") or repo_id.split("/", 1)[0],
"parameter_count": param_label,
"parameters_raw": raw_params,
"min_ram_gb": min_ram,
"recommended_ram_gb": round(min_ram * 1.3 + 0.5, 1),
"min_vram_gb": 0.0 if source.get("mlx_only") else min_ram,
"quantization": quant,
"context_length": _infer_context(repo_id, pipeline_tag),
"use_case": _infer_use_case(repo_id, pipeline_tag),
"capabilities": ["mlx"] if source.get("mlx_only") else ["vllm", "sglang"],
"pipeline_tag": pipeline_tag,
"architecture": "",
"hf_downloads": int(item.get("downloads") or 0),
"hf_likes": int(item.get("likes") or 0),
"release_date": release_date,
"format": "mlx" if source.get("mlx_only") else "safetensors",
"collection": collection.get("title") or "",
"description": collection.get("description") or "",
"_discovered": True,
"_source": "hf_collections",
"_source_owner": source.get("owner") or "",
}
if source.get("mlx_only"):
entry["mlx_only"] = True
if quant == "Q4_K_M":
entry["is_gguf"] = True
entry["format"] = "gguf"
entry["capabilities"] = ["llama.cpp"]
if active:
entry["is_moe"] = True
entry["active_parameters"] = active
return entry
def _next_link(header):
if not header:
return None
m = re.search(r'<([^>]+)>;\s*rel="next"', header)
return m.group(1) if m else None
def fetch_collection_models(source, timeout=20, max_pages=20):
params = urllib.parse.urlencode({
"owner": source["owner"],
"limit": "100",
"expand": "true",
})
url = f"{HF_COLLECTIONS_URL}?{params}"
models = {}
pages = 0
while url and pages < max_pages:
req = urllib.request.Request(url, headers={"User-Agent": "odysseus-hwfit/1.0"})
with urllib.request.urlopen(req, timeout=timeout) as resp:
payload = json.load(resp)
url = _next_link(resp.headers.get("Link"))
pages += 1
if not isinstance(payload, list):
break
for collection in payload:
if not isinstance(collection, dict):
continue
for item in collection.get("items") or []:
if not isinstance(item, dict):
continue
entry = _entry_from_collection_item(collection, item, source)
if entry and entry["name"] not in models:
models[entry["name"]] = entry
rows = list(models.values())
rows.sort(key=lambda x: (x.get("hf_downloads") or 0, x.get("release_date") or ""), reverse=True)
return rows
def _load_cache(path):
try:
with path.open(encoding="utf-8") as f:
data = json.load(f)
rows = data.get("models") if isinstance(data, dict) else data
return rows if isinstance(rows, list) else []
except (OSError, ValueError):
return []
def _write_cache(path, source, rows):
path.parent.mkdir(parents=True, exist_ok=True)
payload = {
"source": source,
"fetched_at": int(time.time()),
"count": len(rows),
"models": rows,
}
tmp = path.with_suffix(".json.tmp")
tmp.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
os.replace(tmp, path)
def load_cached_mlx_community_models():
return _load_cache(MLX_COMMUNITY_CACHE)
def load_cached_hf_collection_models():
return _load_cache(HF_COLLECTION_MODELS_CACHE)
def _cache_fresh(path):
try:
return (time.time() - path.stat().st_mtime) < HF_COLLECTION_TTL_SECONDS
except OSError:
return False
def refresh_mlx_community_cache(force=False):
if not force and _cache_fresh(MLX_COMMUNITY_CACHE):
return load_cached_mlx_community_models()
source = next(s for s in HF_COLLECTION_SOURCES if s["key"] == "mlx_community")
rows = fetch_collection_models(source)
_write_cache(MLX_COMMUNITY_CACHE, "https://huggingface.co/mlx-community/collections", rows)
return rows
def refresh_hf_collection_models_cache(force=False):
if not force and _cache_fresh(HF_COLLECTION_MODELS_CACHE):
return load_cached_hf_collection_models()
rows_by_name = {}
for source in HF_COLLECTION_SOURCES:
if source["key"] == "mlx_community":
continue
try:
for row in fetch_collection_models(source):
rows_by_name.setdefault(row["name"], row)
except Exception:
# Keep partial refreshes useful. A temporary DNS/provider issue for
# one brand should not invalidate the other cached collection rows.
continue
rows = sorted(
rows_by_name.values(),
key=lambda x: (x.get("hf_downloads") or 0, x.get("release_date") or ""),
reverse=True,
)
if rows:
_write_cache(HF_COLLECTION_MODELS_CACHE, "https://huggingface.co/collections", rows)
return rows
return load_cached_hf_collection_models()
+379 -276
View File
@@ -1,278 +1,369 @@
"""Image generation model registry and VRAM fitting for Cookbook."""
# Curated registry of image generation models supported by diffusers.
# ONLY verified HuggingFace repo IDs.
# VRAM estimates are for inference (single image generation).
IMAGE_MODEL_REGISTRY = [
# ── Z-Image (Alibaba Tongyi) ──
{
"id": "Tongyi-MAI/Z-Image-Turbo",
"name": "Z-Image Turbo",
"provider": "Tongyi",
"params_b": 6.0,
"vram_bf16": 19.0,
"vram_fp8": 10.0,
"vram_q4": 6.0,
"default_quant": "BF16",
"quant_repos": {
"FP8": "drbaph/Z-Image-Turbo-FP8",
},
"capabilities": ["text-to-image"],
"description": "6B distilled, 8-step. Sub-second on H800. Apache 2.0.",
"quality": 92,
"speed": 95,
"released": "2025-12",
},
{
"id": "Tongyi-MAI/Z-Image",
"name": "Z-Image",
"provider": "Tongyi",
"params_b": 6.0,
"vram_bf16": 19.0,
"vram_fp8": 10.0,
"vram_q4": 6.0,
"default_quant": "BF16",
"quant_repos": {
"FP8": "drbaph/Z-Image-fp8",
},
"capabilities": ["text-to-image"],
"description": "Full undistilled model. Highest creative freedom. Apache 2.0.",
"quality": 93,
"speed": 70,
"released": "2025-12",
},
# ── Qwen Image ──
{
"id": "Qwen/Qwen-Image-2512",
"name": "Qwen Image 2512",
"provider": "Qwen",
"params_b": 20.0,
"vram_bf16": 42.0,
"vram_fp8": 22.0,
"vram_q4": 14.0,
"default_quant": "FP8",
"quant_repos": {},
"capabilities": ["text-to-image", "text-rendering"],
"description": "Dec 2025 update. Better humans, finer detail, strong text. Apache 2.0.",
"quality": 95,
"speed": 50,
"released": "2025-12",
},
{
"id": "Qwen/Qwen-Image",
"name": "Qwen Image",
"provider": "Qwen",
"params_b": 20.0,
"vram_bf16": 42.0,
"vram_fp8": 22.0,
"vram_q4": 14.0,
"default_quant": "FP8",
"quant_repos": {},
"capabilities": ["text-to-image", "text-rendering"],
"description": "20B foundation. Best text rendering in images. Apache 2.0.",
"quality": 94,
"speed": 50,
"released": "2025-08",
},
{
"id": "Qwen/Qwen-Image-Edit-2511",
"name": "Qwen Image Edit",
"provider": "Qwen",
"params_b": 20.0,
"vram_bf16": 42.0,
"vram_fp8": 22.0,
"vram_q4": 14.0,
"default_quant": "FP8",
"quant_repos": {},
"capabilities": ["image-editing", "inpainting"],
"description": "Dedicated editing. Style transfer, object removal. Apache 2.0.",
"quality": 92,
"speed": 50,
"released": "2025-11",
},
# ── Stable Diffusion (dedicated inpainting) ──
{
"id": "diffusers/stable-diffusion-xl-1.0-inpainting-0.1",
"name": "SDXL Inpainting",
"provider": "Stability AI",
"params_b": 3.5,
"vram_bf16": 12.0,
"vram_fp8": 8.0,
"vram_q4": 6.0,
"default_quant": "BF16",
"quant_repos": {},
"capabilities": ["inpainting", "image-editing"],
"description": "SDXL fine-tuned for inpainting (9-channel UNet). Best SD-family fill quality; fits a 24GB card comfortably.",
"quality": 86,
"speed": 68,
"released": "2023-11",
},
{
"id": "stable-diffusion-v1-5/stable-diffusion-inpainting",
"name": "SD 1.5 Inpainting",
"provider": "Stability AI",
"params_b": 1.1,
"vram_bf16": 4.0,
"vram_fp8": 3.0,
"vram_q4": 2.5,
"default_quant": "BF16",
"quant_repos": {},
"capabilities": ["inpainting"],
"description": "Classic SD 1.5 inpaint. Very light and fast; lower fidelity than SDXL.",
"quality": 70,
"speed": 92,
"released": "2022-10",
},
# ── FLUX ──
{
"id": "black-forest-labs/FLUX.1-dev",
"name": "FLUX.1 Dev",
"provider": "Black Forest Labs",
"params_b": 12.0,
"vram_bf16": 33.0,
"vram_fp8": 17.0,
"vram_q4": 10.0,
"default_quant": "FP8",
"quant_repos": {
"FP8": "diffusers/FLUX.1-dev-torchao-fp8",
},
"capabilities": ["text-to-image"],
"description": "High quality, detailed. Popular community model. Non-commercial.",
"quality": 92,
"speed": 55,
"released": "2024-08",
},
{
"id": "black-forest-labs/FLUX.1-schnell",
"name": "FLUX.1 Schnell",
"provider": "Black Forest Labs",
"params_b": 12.0,
"vram_bf16": 33.0,
"vram_fp8": 17.0,
"vram_q4": 10.0,
"default_quant": "FP8",
"quant_repos": {
"FP8": "Kijai/flux-fp8",
},
"capabilities": ["text-to-image"],
"description": "Fast 4-step variant. Apache 2.0 license.",
"quality": 85,
"speed": 90,
"released": "2024-08",
},
# ── Stable Diffusion ──
{
"id": "stabilityai/stable-diffusion-3.5-medium",
"name": "SD 3.5 Medium",
"provider": "Stability AI",
"params_b": 2.5,
"vram_bf16": 12.0,
"vram_fp8": 7.0,
"vram_q4": None,
"default_quant": "BF16",
"quant_repos": {
"FP8": "Comfy-Org/stable-diffusion-3.5-fp8",
},
"capabilities": ["text-to-image"],
"description": "2.5B lightweight, fast. Fits almost any GPU.",
"quality": 75,
"speed": 95,
"released": "2024-10",
},
{
"id": "stabilityai/stable-diffusion-3.5-large",
"name": "SD 3.5 Large",
"provider": "Stability AI",
"params_b": 8.1,
"vram_bf16": 22.0,
"vram_fp8": 12.0,
"vram_q4": None,
"default_quant": "BF16",
"quant_repos": {
"FP8": "Comfy-Org/stable-diffusion-3.5-fp8",
},
"capabilities": ["text-to-image"],
"description": "8B high quality. Good balance of speed and quality.",
"quality": 85,
"speed": 70,
"released": "2024-10",
},
{
"id": "stabilityai/stable-diffusion-3.5-large-turbo",
"name": "SD 3.5 Large Turbo",
"provider": "Stability AI",
"params_b": 8.1,
"vram_bf16": 22.0,
"vram_fp8": 12.0,
"vram_q4": None,
"default_quant": "BF16",
"quant_repos": {
"FP8": "Comfy-Org/stable-diffusion-3.5-fp8",
},
"capabilities": ["text-to-image"],
"description": "Distilled for few-step inference. Fastest large SD.",
"quality": 80,
"speed": 92,
"released": "2024-10",
},
{
"id": "stabilityai/stable-diffusion-xl-base-1.0",
"name": "SDXL",
"provider": "Stability AI",
"params_b": 3.5,
"vram_bf16": 10.0,
"vram_fp8": 6.0,
"vram_q4": None,
"default_quant": "BF16",
"quant_repos": {},
"capabilities": ["text-to-image"],
"description": "Classic workhorse. Huge LoRA ecosystem. Fits 8GB+.",
"quality": 72,
"speed": 90,
"released": "2023-07",
},
# ── Hunyuan ──
{
"id": "tencent/HunyuanImage-3.0",
"name": "HunyuanImage 3.0",
"provider": "Tencent",
"params_b": 13.0,
"vram_bf16": 30.0,
"vram_fp8": 16.0,
"vram_q4": 9.0,
"default_quant": "FP8",
"quant_repos": {
"Q4": "wikeeyang/Hunyuan-Image-30-Qint4",
"NF4": "EricRollei/HunyuanImage-3.0-Instruct-NF4",
},
"capabilities": ["text-to-image", "text-rendering"],
"description": "Strong text rendering. Bilingual Chinese/English. 13B activated per token.",
"quality": 88,
"speed": 60,
"released": "2025-09",
},
{
"id": "tencent/HunyuanImage-3.0-Instruct-Distil",
"name": "HunyuanImage 3.0 Distil",
"provider": "Tencent",
"params_b": 13.0,
"vram_bf16": 30.0,
"vram_fp8": 16.0,
"vram_q4": 9.0,
"default_quant": "FP8",
"quant_repos": {},
"capabilities": ["text-to-image", "text-rendering"],
"description": "Distilled variant, fewer steps. Faster with comparable quality.",
"quality": 85,
"speed": 80,
"released": "2026-01",
},
from __future__ import annotations
import json
import re
import time
import urllib.parse
import urllib.request
from pathlib import Path
from typing import Any
from src.constants import DATA_DIR
# Image models are discovered from HuggingFace collections/search and local cache.
# Keep this empty: source-coded repo IDs become hidden recommendations.
IMAGE_MODEL_REGISTRY: list[dict[str, Any]] = []
HF_IMAGE_COLLECTIONS = [
"stabilityai/image",
"stabilityai/stable-diffusion-35",
"black-forest-labs/flux2",
]
HF_MLX_IMAGE_COLLECTIONS = [
"mlx-community/flux2-klein-mlx",
"mlx-community/inpainting-mlx",
"mlx-community/ddcolor-mlx",
"mlx-community/boogu-image-01-mlx",
]
HF_MLX_IMAGE_REPO_SEEDS: list[str] = []
HF_IMAGE_REPO_SEEDS: list[str] = []
_HF_COLLECTION_CACHE = {"ts": 0.0, "models": []}
_HF_COLLECTION_TTL = 30 * 60
_IMAGE_COLLECTION_DISK_CACHE = Path(DATA_DIR) / "hwfit" / "image_collection_models.json"
_IMAGE_COLLECTION_DISK_TTL = 24 * 3600
_HF_VARIANT_CACHE: dict[str, dict[str, str]] = {}
_HF_SEARCH_DISABLED_UNTIL = 0.0
def _repo_display_name(repo_id: str) -> str:
name = str(repo_id or "").split("/")[-1]
return name.replace("-", " ").replace("_", " ").strip() or repo_id
def _provider_from_repo(repo_id: str) -> str:
owner = str(repo_id or "").split("/", 1)[0].lower()
return {
"stabilityai": "Stability AI",
"black-forest-labs": "Black Forest Labs",
"tongyi-mai": "Tongyi",
"qwen": "Qwen",
"mlx-community": "mlx-community",
}.get(owner, owner.replace("-", " ").title() if owner else "HuggingFace")
def _infer_capabilities(item: dict[str, Any], repo_id: str) -> list[str]:
tasks = set()
pipeline = str(item.get("pipeline_tag") or "").strip().lower()
if pipeline:
tasks.add(pipeline)
for provider in item.get("availableInferenceProviders") or []:
if isinstance(provider, dict) and provider.get("task"):
tasks.add(str(provider["task"]).strip().lower())
text = f"{repo_id} {' '.join(tasks)}".lower()
caps = []
if "image-to-image" in tasks or "edit" in text or "inpaint" in text:
caps.append("image-editing")
if "inpaint" in text:
caps.append("inpainting")
if "text-to-image" in tasks or not caps:
caps.append("text-to-image")
return caps
def _estimate_image_model(repo_id: str) -> dict[str, Any]:
text = str(repo_id or "").lower()
params_b = 8.0
param_match = re.search(r"(?<![\d.])(\d+(?:\.\d+)?)\s*b(?:\b|[-_])", text)
if param_match:
params_b = max(0.01, float(param_match.group(1)))
if any(k in text for k in ("mi-gan", "big-lama", "lama-")):
return {"params_b": 0.01, "bf16": 1.0, "fp8": 0.7, "q4": 0.5, "quality": 65, "speed": 98, "quant": "BF16"}
quant = "BF16"
if any(k in text for k in ("4bit", "q4", "nf4")):
quant = "Q4"
elif "fp8" in text or "8bit" in text:
quant = "FP8"
bf16 = max(1.0, round(params_b * 2.6 + 3.0, 1))
fp8 = max(0.7, round(params_b * 1.35 + 2.0, 1))
q4 = max(0.5, round(params_b * 0.8 + 1.5, 1))
speed = max(35, min(95, int(98 - params_b * 3)))
quality = max(60, min(88, int(70 + min(params_b, 18) * 0.8)))
return {"params_b": params_b, "bf16": bf16, "fp8": fp8, "q4": q4, "quality": quality, "speed": speed, "quant": quant}
def _params_b_from_item(item: dict[str, Any]) -> float | None:
raw = item.get("numParameters")
if isinstance(raw, (int, float)) and raw > 0:
return max(0.01, round(float(raw) / 1_000_000_000.0, 3))
return None
def _mlx_quantize_estimate(repo_id: str, est: dict[str, Any]) -> dict[str, Any]:
text = str(repo_id or "").lower()
out = dict(est)
if "3bit" in text or "4bit" in text or "q4" in text:
out["quant"] = "Q4"
out["bf16"] = None
out["fp8"] = None
elif "8bit" in text:
out["quant"] = "FP8"
out["bf16"] = None
elif "6bit" in text or "5bit" in text:
out["quant"] = "Q4"
out["bf16"] = None
out["fp8"] = out.get("fp8") or out.get("q4")
elif "bf16" in text or "fp16" in text:
out["quant"] = "BF16"
out["fp8"] = None
out["q4"] = None
return out
def _collection_item_to_model(item: dict[str, Any], collection_title: str = "", mlx_only: bool = False) -> dict[str, Any] | None:
repo_id = str(item.get("id") or "").strip()
if "/" not in repo_id:
return None
typ = str(item.get("type") or item.get("itemType") or "model").lower()
if typ not in {"", "model"}:
return None
est = _estimate_image_model(repo_id)
item_params_b = _params_b_from_item(item)
if item_params_b is not None:
est = {
**est,
"params_b": item_params_b,
"bf16": max(0.5, round(item_params_b * 2.4 + 0.8, 1)),
"fp8": max(0.5, round(item_params_b * 1.3 + 0.5, 1)),
"q4": max(0.4, round(item_params_b * 0.8 + 0.4, 1)),
}
if mlx_only:
est = _mlx_quantize_estimate(repo_id, est)
caps = _infer_capabilities(item, repo_id)
gated = item.get("gated")
desc_bits = []
if collection_title:
desc_bits.append(f"HF collection: {collection_title}.")
if gated:
desc_bits.append("Gated on HuggingFace.")
out = {
"id": repo_id,
"name": _repo_display_name(repo_id),
"provider": _provider_from_repo(repo_id),
"params_b": est["params_b"],
"vram_bf16": est["bf16"],
"vram_fp8": est["fp8"],
"vram_q4": est["q4"],
"default_quant": est["quant"],
"quant_repos": {},
"capabilities": caps,
"description": " ".join(desc_bits).strip() or "Imported from HuggingFace collection.",
"quality": est["quality"],
"speed": est["speed"],
"released": "",
}
# Optional catalog metadata may identify a non-default runtime package.
# Keep this data-driven: the fitter must not infer private/model-specific
# dependencies from repository names.
dependency_package = item.get("dependency_package") or item.get("runtime_dependency")
if isinstance(dependency_package, str) and dependency_package.strip():
out["dependency_package"] = dependency_package.strip()
if mlx_only:
out["mlx_only"] = True
out["description"] = (out["description"] + " Apple Silicon / MLX only.").strip()
return out
def _fetch_hf_image_collection_models() -> list[dict[str, Any]]:
now = time.time()
if now - float(_HF_COLLECTION_CACHE.get("ts") or 0) < _HF_COLLECTION_TTL:
return list(_HF_COLLECTION_CACHE.get("models") or [])
# Reuse the last successful discovery across process restarts. A stale
# catalog is preferable to blocking the first image-tab render on several
# sequential Hugging Face requests; a later refresh replaces it.
if not _HF_COLLECTION_CACHE.get("models"):
try:
cached = json.loads(_IMAGE_COLLECTION_DISK_CACHE.read_text(encoding="utf-8"))
cached_models = cached.get("models") if isinstance(cached, dict) else None
cached_ts = float(cached.get("fetched_at") or 0) if isinstance(cached, dict) else 0
if isinstance(cached_models, list) and cached_models:
_HF_COLLECTION_CACHE["ts"] = cached_ts
_HF_COLLECTION_CACHE["models"] = cached_models
if now - cached_ts < _IMAGE_COLLECTION_DISK_TTL:
return list(cached_models)
except (OSError, ValueError, TypeError):
pass
models: list[dict[str, Any]] = []
for slug, mlx_only in [(slug, False) for slug in HF_IMAGE_COLLECTIONS] + [(slug, True) for slug in HF_MLX_IMAGE_COLLECTIONS]:
url = f"https://huggingface.co/api/collections/{slug}"
try:
req = urllib.request.Request(url, headers={"User-Agent": "Odysseus-Cookbook/1.0"})
with urllib.request.urlopen(req, timeout=2.5) as resp:
data = json.loads(resp.read().decode("utf-8", "replace"))
except Exception:
continue
title = str(data.get("title") or slug)
for item in data.get("items") or []:
if isinstance(item, dict):
model = _collection_item_to_model(item, title, mlx_only=mlx_only)
if model:
models.append(model)
if models:
_HF_COLLECTION_CACHE["ts"] = now
_HF_COLLECTION_CACHE["models"] = models
try:
_IMAGE_COLLECTION_DISK_CACHE.parent.mkdir(parents=True, exist_ok=True)
tmp = _IMAGE_COLLECTION_DISK_CACHE.with_suffix(".tmp")
tmp.write_text(json.dumps({"fetched_at": now, "models": models}), encoding="utf-8")
tmp.replace(_IMAGE_COLLECTION_DISK_CACHE)
except OSError:
pass
return list(models)
# Preserve stale results if the network is unavailable. The in-memory
# timestamp prevents every subsequent ranking request from retrying it.
if _HF_COLLECTION_CACHE.get("models"):
_HF_COLLECTION_CACHE["ts"] = now
return list(_HF_COLLECTION_CACHE["models"])
_HF_COLLECTION_CACHE["ts"] = now
return []
def _hf_model_search(query: str, limit: int = 10) -> list[dict[str, Any]]:
global _HF_SEARCH_DISABLED_UNTIL
now = time.time()
if now < _HF_SEARCH_DISABLED_UNTIL:
return []
url = "https://huggingface.co/api/models?" + urllib.parse.urlencode({
"search": query,
"limit": str(limit),
})
try:
req = urllib.request.Request(url, headers={"User-Agent": "Odysseus-Cookbook/1.0"})
with urllib.request.urlopen(req, timeout=2.5) as resp:
data = json.loads(resp.read().decode("utf-8", "replace"))
return data if isinstance(data, list) else []
except Exception:
_HF_SEARCH_DISABLED_UNTIL = now + 10 * 60
return []
def _variant_score(candidate: dict[str, Any], base_repo: str, want: str) -> float:
rid = str(candidate.get("id") or candidate.get("modelId") or "")
text = " ".join([
rid,
str(candidate.get("library_name") or ""),
str(candidate.get("pipeline_tag") or ""),
" ".join(str(t) for t in candidate.get("tags") or []),
]).lower()
base = base_repo.lower()
base_short = base_repo.rsplit("/", 1)[-1].lower()
if want == "gguf" and "gguf" not in text:
return -1
if want == "fp8" and not any(k in text for k in ("fp8", "nvfp4", "mxfp8", "mxfp4")):
return -1
score = float(candidate.get("downloads") or 0) / 1000.0 + float(candidate.get("likes") or 0)
if f"base_model:{base}" in text or f"base_model:quantized:{base}" in text:
score += 10000
elif base_short and base_short in rid.lower():
score += 1000
else:
score -= 200
if "diffusers" in text:
score += 50
if str(candidate.get("private")).lower() == "true":
score -= 10000
return score
def _best_variant_repo(base_repo: str, want: str) -> str:
base_short = str(base_repo or "").rsplit("/", 1)[-1]
candidates = _hf_model_search(f"{base_short} {want}", limit=12)
scored = []
for item in candidates:
if not isinstance(item, dict):
continue
rid = str(item.get("id") or item.get("modelId") or "").strip()
if "/" not in rid or rid.lower() == base_repo.lower():
continue
score = _variant_score(item, base_repo, want)
if score >= 0:
scored.append((score, rid))
scored.sort(reverse=True)
return scored[0][1] if scored else ""
def _should_discover_variants(repo_id: str) -> bool:
return False
def _discover_quant_repos(repo_id: str, need_fp8: bool = True, need_gguf: bool = True) -> dict[str, str]:
key = str(repo_id or "").strip()
if not key:
return {}
cache_key = f"{key.lower()}|fp8={int(need_fp8)}|gguf={int(need_gguf)}"
if cache_key in _HF_VARIANT_CACHE:
return dict(_HF_VARIANT_CACHE[cache_key])
found: dict[str, str] = {}
if need_fp8:
fp8 = _best_variant_repo(key, "fp8")
if fp8:
found["FP8"] = fp8
if need_gguf:
gguf = _best_variant_repo(key, "gguf")
if gguf:
# The image-model fitter's smallest bucket is Q4; most HF image GGUF
# repos expose Q4/Q5/Q8 files under one repo, so use it as the low-VRAM
# download source while preserving the explicit GGUF label for callers.
found["Q4"] = gguf
found["GGUF"] = gguf
_HF_VARIANT_CACHE[cache_key] = found
return dict(found)
def _merge_quant_repos(model: dict[str, Any]) -> dict[str, Any]:
out = dict(model)
existing = dict(out.get("quant_repos") or {})
repo_id = str(out.get("id") or "")
if _should_discover_variants(repo_id):
discovered = _discover_quant_repos(
repo_id,
need_fp8="FP8" not in existing,
need_gguf="Q4" not in existing and "GGUF" not in existing,
)
for k, v in discovered.items():
existing.setdefault(k, v)
out["quant_repos"] = existing
return out
def get_image_models():
"""Return the image model registry."""
return IMAGE_MODEL_REGISTRY
merged = [_merge_quant_repos(m) for m in IMAGE_MODEL_REGISTRY]
seen = {str(m.get("id") or "").lower() for m in merged if isinstance(m, dict)}
for model in _fetch_hf_image_collection_models():
key = str(model.get("id") or "").lower()
if key and key not in seen:
merged.append(_merge_quant_repos(model))
seen.add(key)
return merged
def _is_apple_image_system(system: dict[str, Any]) -> bool:
backend = str(system.get("backend") or "").lower()
gpu_name = str(system.get("gpu_name") or "").lower()
cpu_name = str(system.get("cpu_name") or "").lower()
platform = str(system.get("platform") or "").lower()
return (
bool(system.get("unified_memory"))
or backend in {"metal", "mps", "apple"}
or "apple" in gpu_name
or "apple" in cpu_name
or platform == "darwin"
)
def rank_image_models(system, search=None, sort="fit"):
@@ -280,13 +371,23 @@ def rank_image_models(system, search=None, sort="fit"):
Returns list of models with fit info (vram needed, fits, recommended quant).
"""
if not isinstance(system, dict):
system = {}
gpu_vram = system.get("gpu_vram_gb", 0) or 0
has_gpu = system.get("has_gpu", False)
ram_gb = system.get("available_ram_gb") or system.get("total_ram_gb") or 0
budget_gb = gpu_vram if has_gpu and gpu_vram > 0 else ram_gb
budget_kind = "gpu" if has_gpu and gpu_vram > 0 else "ram"
apple_system = _is_apple_image_system(system)
results = []
for model in IMAGE_MODEL_REGISTRY:
for model in get_image_models():
if apple_system and not (model.get("mlx_only") or model.get("apple_ok")):
continue
if model.get("mlx_only") and not apple_system:
continue
# Filter by search
if search:
if isinstance(search, str) and search:
s = search.lower()
if s not in model["name"].lower() and s not in model["id"].lower() and s not in model.get("description", "").lower():
continue
@@ -297,11 +398,11 @@ def rank_image_models(system, search=None, sort="fit"):
fits = False
quant_repo = None
if has_gpu and gpu_vram > 0:
if budget_gb > 0:
# Try BF16 first, then FP8, then Q4
for q, vram_key in [("BF16", "vram_bf16"), ("FP8", "vram_fp8"), ("Q4", "vram_q4")]:
v = model.get(vram_key)
if v is not None and v <= gpu_vram * 0.90: # 10% headroom
if v is not None and v <= budget_gb * 0.90: # 10% headroom
quant = q
vram_needed = v
fits = True
@@ -313,15 +414,15 @@ def rank_image_models(system, search=None, sort="fit"):
vram_needed = model.get("vram_bf16", 0)
# Fit label
if not has_gpu:
if budget_gb <= 0:
fit = "no_gpu"
fit_label = "No GPU"
elif fits:
headroom = gpu_vram - vram_needed
if headroom > gpu_vram * 0.3:
headroom = budget_gb - vram_needed
if headroom > budget_gb * 0.3:
fit = "perfect"
fit_label = "Perfect"
elif headroom > gpu_vram * 0.1:
elif headroom > budget_gb * 0.1:
fit = "good"
fit_label = "Good"
else:
@@ -353,12 +454,14 @@ def rank_image_models(system, search=None, sort="fit"):
"fits": fits,
"fit": fit,
"fit_label": fit_label,
"fit_budget": budget_kind,
"quality": model["quality"],
"speed": model["speed"],
"score": round(score, 1),
"capabilities": model["capabilities"],
"description": model["description"],
"released": model.get("released", ""),
"dependency_package": model.get("dependency_package", ""),
})
# Sort
+181 -15
View File
@@ -6,47 +6,147 @@ QUANT_HIERARCHY = ["Q8_0", "Q6_K", "Q5_K_M", "Q4_K_M", "Q3_K_M", "Q2_K"]
QUANT_BPP = {
"F32": 4.0, "F16": 2.0, "BF16": 2.0, "FP8": 1.0,
"FP4": 0.50, "NVFP4": 0.50, "MXFP4": 0.50, "NF4": 0.50,
"INT4": 0.50, "INT8": 1.0, "W4A16": 0.50, "W8A8": 1.0, "W8A16": 1.0,
"Q8_0": 1.05, "Q6_K": 0.80, "Q5_K_M": 0.68,
"Q4_K_M": 0.58, "Q4_0": 0.58, "Q3_K_M": 0.48, "Q2_K": 0.37,
"AWQ-4bit": 0.50, "AWQ-8bit": 1.0,
"GPTQ-Int4": 0.50, "GPTQ-Int8": 1.0,
"mlx-4bit": 0.55, "mlx-8bit": 1.0, "mlx-6bit": 0.75,
"QAT-INT4": 0.50, "QAT-INT8": 1.0,
"mlx-3bit": 0.42, "mlx-4bit": 0.55, "mlx-5bit": 0.65, "mlx-6bit": 0.75, "mlx-8bit": 1.0,
# DeepSeek-V4-style mixed: MoE experts in FP4 (bulk), attention + non-
# expert dense in FP8, embeddings/LM head in BF16. By weight count the
# experts dominate so the effective BPP sits closer to FP4 than FP8.
# Empirical: DeepSeek-V4-Flash 284B / 156 GB ≈ 0.55 B/param.
"FP4-MoE-Mixed": 0.55,
# FP8-Mixed = the *-Base variants (MoE experts also FP8, not FP4).
"FP8-Mixed": 1.0,
}
QUANT_SPEED_MULT = {
"F16": 0.6, "BF16": 0.6, "FP8": 0.85,
"FP4": 1.15, "NVFP4": 1.15, "MXFP4": 1.15, "NF4": 1.10,
"INT4": 1.15, "INT8": 0.85, "W4A16": 1.15, "W8A8": 0.85, "W8A16": 0.85,
"Q8_0": 0.8, "Q6_K": 0.95, "Q5_K_M": 1.0,
"Q4_K_M": 1.15, "Q4_0": 1.15, "Q3_K_M": 1.25, "Q2_K": 1.35,
"AWQ-4bit": 1.2, "AWQ-8bit": 0.85,
"GPTQ-Int4": 1.2, "GPTQ-Int8": 0.85,
"mlx-4bit": 1.15, "mlx-8bit": 0.85, "mlx-6bit": 1.0,
"QAT-INT4": 1.15, "QAT-INT8": 0.85,
"mlx-3bit": 1.25, "mlx-4bit": 1.15, "mlx-5bit": 1.05, "mlx-6bit": 1.0, "mlx-8bit": 0.85,
"FP4-MoE-Mixed": 1.10, # slightly slower than pure FP4 because of mixed-dtype dispatch
"FP8-Mixed": 0.85,
}
QUANT_QUALITY_PENALTY = {
"F16": 0.0, "BF16": 0.0, "FP8": 0.0,
"FP4": -3.0, "NVFP4": -3.0, "MXFP4": -3.0, "NF4": -4.0,
"INT4": -4.0, "INT8": 0.0, "W4A16": -4.0, "W8A8": 0.0, "W8A16": 0.0,
"Q8_0": 0.0, "Q6_K": -1.0, "Q5_K_M": -2.0,
"Q4_K_M": -5.0, "Q4_0": -5.0, "Q3_K_M": -8.0, "Q2_K": -12.0,
"AWQ-4bit": -3.0, "AWQ-8bit": 0.0,
"GPTQ-Int4": -3.0, "GPTQ-Int8": 0.0,
"mlx-4bit": -4.0, "mlx-8bit": 0.0, "mlx-6bit": -1.0,
# Bare "AWQ" and "AWQ-8bit" used to be 0.0 (tied with FP8). In practice
# AWQ-anything is a calibrated reconstruction, not raw 8-bit weights —
# there's a small but real quality loss vs FP8. Give them a slight
# penalty so FP8 wins when both fit. AWQ-4bit stays heavier.
"AWQ": -1.0, "AWQ-4bit": -4.0, "AWQ-8bit": -1.0,
"GPTQ": -1.0, "GPTQ-Int4": -4.0, "GPTQ-Int8": -1.0,
# Quantization-aware training recovers most of the int4 quality loss, so a
# QAT-INT4 build lands far closer to bf16 than a post-training Q4/INT4
# (Google reports near-bf16 quality). Penalize it lightly, not like Q4_K_M.
"QAT-INT4": -1.0, "QAT-INT8": 0.0,
"mlx-3bit": -8.0, "mlx-4bit": -4.0, "mlx-5bit": -2.5, "mlx-6bit": -1.5, "mlx-8bit": -0.5,
# DeepSeek-V4 mixed: only MoE experts at FP4 (the rest is FP8/BF16),
# so the realized quality is much closer to FP8 than to pure FP4 —
# the activation-sensitive layers stay high-precision. ~0 penalty.
"FP4-MoE-Mixed": -0.5,
"FP8-Mixed": 0.0,
}
QUANT_BYTES_PER_PARAM = {
"F16": 2.0, "BF16": 2.0, "FP8": 1.0,
"FP4": 0.5, "NVFP4": 0.5, "MXFP4": 0.5, "NF4": 0.5,
"INT4": 0.5, "INT8": 1.0, "W4A16": 0.5, "W8A8": 1.0, "W8A16": 1.0,
"Q8_0": 1.0, "Q6_K": 0.75, "Q5_K_M": 0.625,
"Q4_K_M": 0.5, "Q4_0": 0.5, "Q3_K_M": 0.375, "Q2_K": 0.25,
"AWQ-4bit": 0.5, "AWQ-8bit": 1.0,
"GPTQ-Int4": 0.5, "GPTQ-Int8": 1.0,
"mlx-4bit": 0.5, "mlx-8bit": 1.0, "mlx-6bit": 0.75,
"QAT-INT4": 0.5, "QAT-INT8": 1.0,
"mlx-3bit": 0.375, "mlx-4bit": 0.5, "mlx-5bit": 0.625, "mlx-6bit": 0.75, "mlx-8bit": 1.0,
"FP4-MoE-Mixed": 0.55,
"FP8-Mixed": 1.0,
}
# Pre-quantized formats that should NOT go through the GGUF quant hierarchy
PREQUANTIZED_PREFIXES = ("AWQ-", "GPTQ-", "mlx-", "FP8")
# Pre-quantized formats that should NOT go through the GGUF quant hierarchy.
# These are native HF/vLLM-style repos, not llama.cpp GGUF quant tiers.
PREQUANTIZED_PREFIXES = (
"AWQ-", "GPTQ-", "mlx-", "FP8", "FP4", "NVFP4", "MXFP4", "NF4",
"INT4", "INT8", "W4A16", "W8A8", "W8A16",
"FP4-MoE-Mixed", "FP8-Mixed",
"QAT-",
)
def infer_quantization_from_name(name):
n = (name or "").lower()
model_name = n.rsplit("/", 1)[-1]
if "nvfp4" in n:
return "NVFP4"
if re.search(r"(^|[-_/])bf16($|[-_/])", model_name):
return "BF16"
if "mxfp4" in n:
return "MXFP4"
if re.search(r"(^|[-_/])nf4($|[-_/])", n):
return "NF4"
if re.search(r"(^|[-_/])fp4($|[-_/])", n):
return "FP4"
if re.search(r"(^|[-_/])w4a16($|[-_/])", n):
return "W4A16"
if re.search(r"(^|[-_/])w8a8($|[-_/])", n):
return "W8A8"
if re.search(r"(^|[-_/])w8a16($|[-_/])", n):
return "W8A16"
is8 = "8bit" in n or "8-bit" in n or "int8" in n
if "awq" in n:
return "AWQ-8bit" if is8 else "AWQ-4bit"
if "gptq" in n:
return "GPTQ-Int8" if is8 else "GPTQ-Int4"
if n.startswith("mlx-community/") or "mlx" in model_name:
if "3bit" in model_name:
return "mlx-3bit"
if "5bit" in model_name:
return "mlx-5bit"
if "6bit" in model_name:
return "mlx-6bit"
return "mlx-8bit" if is8 else "mlx-4bit"
if "fp8" in n:
return "FP8"
if "int4" in n or "4bit" in n or "4-bit" in n:
return "INT4"
if "int8" in n or "8bit" in n or "8-bit" in n:
return "INT8"
return ""
def _normalize_model_entry(model):
if not isinstance(model, dict):
return model
inferred = infer_quantization_from_name(model.get("name", ""))
if inferred and (model.get("quantization") in (None, "", "Q4_K_M") or model.get("_discovered")):
model["quantization"] = inferred
return model
def is_prequantized(model):
q = model.get("quantization", "")
return any(q.startswith(p) for p in PREQUANTIZED_PREFIXES)
name = (model.get("name") or "").lower()
fmt = (model.get("format") or "").lower()
text = f"{name} {fmt}"
return (
"nvfp4" in text
or re.search(r"(^|[-_/])fp8($|[-_/\s])", text) is not None
or (not (model.get("is_gguf") or model.get("gguf_sources")) and re.search(r"(^|[-_/])(?:int)?8bit($|[-_/\s])", text) is not None)
or any(x in text for x in ("awq", "gptq", "mlx"))
or any(isinstance(q, str) and q.startswith(p) for p in PREQUANTIZED_PREFIXES)
)
def params_b(model):
@@ -55,11 +155,17 @@ def params_b(model):
return raw / 1_000_000_000.0
pc = model.get("parameter_count", "")
if pc:
if isinstance(pc, str) and pc:
pc = pc.strip().upper()
m = re.match(r"^([\d.]+)\s*([BKMGT]?)$", pc)
if m:
val = float(m.group(1))
try:
val = float(m.group(1))
except ValueError:
# Malformed count like "1.5.3B" — [\d.]+ matches but float()
# rejects it. One bad catalog row must not abort the whole
# ranking pass, so treat it as unknown size.
return 0.0
suffix = m.group(2)
if suffix == "B":
return val
@@ -161,15 +267,75 @@ def infer_use_case(model):
_models_cache = None
def _load_model_file(path):
try:
with open(path, encoding="utf-8") as f:
loaded = json.load(f)
return loaded if isinstance(loaded, list) else []
except (FileNotFoundError, json.JSONDecodeError):
return []
def reset_model_cache():
global _models_cache
_models_cache = None
def refresh_dynamic_catalogs(force=False):
"""Refresh API-backed model catalogs and invalidate the merged cache.
The bundled JSON files remain the offline fallback. Dynamic catalogs live
under DATA_DIR so runtime refreshes do not dirty the source tree.
"""
from services.hwfit.hf_discovery import (
refresh_hf_collection_models_cache,
refresh_mlx_community_cache,
)
refreshed = {
"mlx_community": len(refresh_mlx_community_cache(force=force)),
"hf_collections": len(refresh_hf_collection_models_cache(force=force)),
}
reset_model_cache()
return refreshed
def get_models():
global _models_cache
if _models_cache is None:
data_path = os.path.join(os.path.dirname(__file__), "data", "hf_models.json")
static_mlx_path = os.path.join(os.path.dirname(__file__), "data", "mlx_community_models.json")
try:
with open(data_path) as f:
_models_cache = json.load(f)
except (FileNotFoundError, json.JSONDecodeError):
_models_cache = []
from services.hwfit.hf_discovery import (
load_cached_hf_collection_models,
load_cached_mlx_community_models,
)
dynamic_mlx_models = load_cached_mlx_community_models()
dynamic_hf_models = load_cached_hf_collection_models()
except Exception:
dynamic_mlx_models = []
dynamic_hf_models = []
seen = set()
rows = []
def _append_models(models):
for model in models:
if not isinstance(model, dict):
continue
name = model.get("name")
if not name or name in seen:
continue
seen.add(name)
rows.append(_normalize_model_entry(model))
for model in _load_model_file(data_path):
if not isinstance(model, dict):
continue
name = model.get("name")
if not name or name in seen:
continue
seen.add(name)
rows.append(_normalize_model_entry(model))
_append_models(dynamic_hf_models)
_append_models(dynamic_mlx_models)
_append_models(_load_model_file(static_mlx_path))
_models_cache = rows
return _models_cache
+238
View File
@@ -0,0 +1,238 @@
"""Compute intelligent llama.cpp serve profiles from detected hardware.
Given a system (VRAM/RAM/arch) and a model, produce 1-4 ready-to-launch
profiles — Quality / Balanced / Speed — with concrete llama.cpp flags
(n_gpu_layers, n_cpu_moe, cache-type, context). This turns the by-hand tuning
(how many MoE layers fit on the GPU, when to spend VRAM on a q8 KV cache vs more
context, how much headroom to leave for a vision encoder) into a formula.
Pure/deterministic — no benchmarking, no I/O. Reuses the same VRAM math as
fit.py/models.py so "what the Cookbook recommends" and "what it serves" agree.
NOTE: token/s figures are NOT computed here — real speed on partial-offload MoE
is CPU-bound and not reliably predictable from specs. The UI labels profiles by
their tradeoff (Quality/Balanced/Speed), and the VRAM fit (the part that decides
whether it even loads) is what's computed from real numbers.
"""
from services.hwfit.models import (
QUANT_BPP,
params_b,
_active_params_b,
is_prequantized,
)
# GGUF KV-cache cost per token, in bytes-per-active-billion-param, by cache type.
# q4_0 is ~half of q8_0 is ~half of f16. The 8e-6 base in estimate_memory_gb is
# the q8_0-ish figure; scale from there.
_KV_FACTOR = {"q4_0": 0.5, "q8_0": 1.0, "f16": 2.0}
# Quant ladder from highest quality/size down. A profile that wants "best quant
# that fits fully on GPU" walks this until one fits.
_QUANT_LADDER = ["Q8_0", "Q6_K", "Q5_K_M", "Q4_K_M", "Q3_K_M", "Q2_K"]
def _weights_gb(model, quant, fixed_gb=None):
"""VRAM for the full weights. When fixed_gb is given (serving a specific GGUF
file already on disk), use its real size — the quant is whatever the file is,
not something we get to pick."""
if fixed_gb and fixed_gb > 0:
return float(fixed_gb)
return params_b(model) * QUANT_BPP.get(quant, 0.58)
def _kv_gb(model, ctx, kv_type):
"""KV-cache VRAM at a context length and cache type."""
kv_params = _active_params_b(model)
return 0.000008 * kv_params * ctx * _KV_FACTOR.get(kv_type, 1.0)
def _n_layers(model):
"""Best-effort total transformer block count (for n-cpu-moe math)."""
for k in ("num_hidden_layers", "n_layers", "num_layers", "block_count"):
v = model.get(k)
if isinstance(v, (int, float)) and v > 0:
return int(v)
# Fallback heuristic by size — most MoE/dense LLMs land 28-64 layers.
pb = params_b(model)
if pb >= 60:
return 64
if pb >= 25:
return 48
if pb >= 12:
return 40
return 32
def _cpu_moe_for_budget(model, quant, kv_gb, vram_budget_gb, fixed_gb=None):
"""How many MoE layers must move to CPU so weights+KV fit vram_budget_gb.
Returns (n_cpu_moe, fits_fully). When the model already fits, n_cpu_moe=0.
Each offloaded layer frees roughly weights/n_layers of VRAM. We only model
this for MoE (where --n-cpu-moe applies); dense models just report whether
they fit at the given n_gpu_layers=999.
"""
weights = _weights_gb(model, quant, fixed_gb)
needed = weights + kv_gb + 0.6 # +0.6 GB runtime/compute buffers
if needed <= vram_budget_gb:
return 0, True
if not model.get("is_moe"):
# Dense: no per-expert offload knob; either it fits or it spills via -ngl.
return 0, False
layers = _n_layers(model)
per_layer = weights / max(layers, 1)
overflow = needed - vram_budget_gb
import math
n = math.ceil(overflow / max(per_layer, 1e-6))
n = max(0, min(n, layers)) # clamp
return n, False
def compute_serve_profiles(system, model, serve_weights_gb=None, serve_quant=None):
"""Return a list of profile dicts for llama.cpp serving of `model` on `system`.
Each profile: {key, label, quant, n_gpu_layers, n_cpu_moe, cache_type, ctx,
est_vram_gb, fits, note}. Empty list if no GGUF path makes
sense (caller should fall back to manual flags).
DOWNLOAD mode (default): the quant isn't chosen yet, so profiles vary it
(Quality=Q6, Balanced=Q4, Speed=Q2…) to show download options.
SERVE mode (serve_weights_gb set): a specific GGUF file already exists on
disk — its quant is FIXED. Profiles then keep that quant/size and differ only
in the actual serving knobs (n_cpu_moe, KV-cache type, context). serve_quant
is the file's quant label (e.g. "Q4_K_M") just for display.
"""
if not isinstance(system, dict) or not isinstance(model, dict):
return []
vram = float(system.get("gpu_vram_gb") or 0)
if vram <= 0:
return []
serve_mode = bool(serve_weights_gb and serve_weights_gb > 0)
# Never propose more context than the model was trained for — asking llama.cpp
# for ctx > n_ctx_train triggers a "training context overflow" and, with a
# quantized KV cache, an oversized allocation that can crash the GPU
# (radv/amdgpu ErrorDeviceLost). Cap every profile at the model's real limit.
model_ctx_max = 0
for k in ("context_length", "max_position_embeddings", "n_ctx_train", "context"):
v = model.get(k)
if isinstance(v, (int, float)) and v > 0:
model_ctx_max = int(v)
break
if model_ctx_max <= 0:
model_ctx_max = 131072 # conservative default when the catalog omits it
# Vision models need headroom for the image encoder (~1 GB on top of weights).
is_vision = bool(
model.get("is_multimodal") or model.get("vision") or model.get("mmproj")
or "vl" in str(model.get("name", "")).lower()
)
headroom = 1.1 if is_vision else 0.4
budget = max(vram - headroom, 1.0)
# Prequantized (AWQ/GPTQ/FP8) served via GGUF fallback use a fixed ~Q4 quant;
# GGUF models can pick their quant. Pick a sensible per-profile quant.
fixed_quant = model.get("quantization") if is_prequantized(model) else None
is_moe = bool(model.get("is_moe"))
def _pick_quant(prefer, require_full_fit):
"""Choose a quant for a profile.
- fixed_quant (AWQ/GPTQ/FP8 served via GGUF): always that.
- require_full_fit=True (Speed): walk DOWN from `prefer` to the best quant
whose weights fit fully on the GPU (no offload) — fastest.
- require_full_fit=False (Quality on MoE): keep `prefer` even if it must
offload experts to CPU; that's the whole point of n-cpu-moe on a card
too small to hold the weights. For dense models we can't offload
per-expert, so fall back to the largest fully-fitting quant.
"""
if fixed_quant:
return fixed_quant
start = _QUANT_LADDER.index(prefer) if prefer in _QUANT_LADDER else 3
if require_full_fit or not is_moe:
for q in _QUANT_LADDER[start:]:
if _weights_gb(model, q) + 0.6 <= budget:
return q
return _QUANT_LADDER[-1]
# MoE quality: keep the preferred (big) quant; offload handles overflow.
return prefer
if serve_mode:
# Fixed file on disk — quant can't change. Vary only the serving knobs.
fq = serve_quant or model.get("quantization") or "GGUF"
specs = [
# key, label, prefer_quant, full_fit, kv_type, ctx, note
("quality", "Quality", fq, False, "q8_0", 131072,
"Sharp q8 KV cache + full context. Best long-context accuracy; offloads MoE layers to CPU if needed."),
("balanced", "Balanced", fq, False, "q4_0", 131072,
"Compact q4 KV at full context — good speed/quality mix."),
("speed", "Speed", fq, False, "q4_0", 32768,
"Trimmed context + light KV for the fastest tokens/s."),
]
else:
specs = [
# key, label, prefer_quant, full_fit, kv_type, ctx, note
("quality", "Quality", "Q6_K", False, "q8_0", 131072,
"Biggest quant + sharp q8 KV cache. Best answers; offloads MoE layers to CPU if needed."),
("balanced", "Balanced", "Q4_K_M", False, "q4_0", 131072,
"Q4 weights + compact q4 KV. Good speed/quality mix at full context."),
("speed", "Speed", "Q4_K_M", True, "q4_0", 32768,
"Smallest offload + trimmed context for the fastest tokens/s."),
]
profiles = []
for key, label, prefer_q, full_fit, kv_type, ctx, note in specs:
# In serve mode the quant is fixed (the file's); in download mode we pick.
quant = prefer_q if serve_mode else _pick_quant(prefer_q, full_fit)
# Shrink context if even the chosen KV won't fit alongside weights.
# Start from the smaller of the profile's target and the model's limit.
cur_ctx = min(ctx, model_ctx_max)
# Floor the context-shrink loop at 8192, but never above the model's own
# trained limit. A model with a sub-8192 context (e.g. a 2048-token
# SmolLM) starts below 8192, so a hard-coded 8192 guard skipped the loop
# entirely and produced NO profile — the serve UI then fell back to
# manual flags even though the model fits the GPU trivially.
ctx_floor = min(8192, model_ctx_max)
while cur_ctx >= ctx_floor:
kv = _kv_gb(model, cur_ctx, kv_type)
n_cpu_moe, fits = _cpu_moe_for_budget(model, quant, kv, budget, fixed_gb=serve_weights_gb)
est = _weights_gb(model, quant, serve_weights_gb) + kv + 0.6
# If a non-MoE model can't fit even fully offloaded, try less context.
if model.get("is_moe") or fits or cur_ctx <= ctx_floor:
profiles.append({
"key": key,
"label": label,
"quant": quant,
"n_gpu_layers": 999,
"n_cpu_moe": n_cpu_moe,
"cache_type": kv_type,
"ctx": cur_ctx,
# When experts offload, GPU-resident VRAM tops out at the
# budget (weights beyond it live in system RAM), so cap the
# estimate at `budget`, not the full card — this also leaves
# the vision-encoder headroom visible in the number.
"est_vram_gb": round(min(est, budget), 1),
# For MoE we treat it as fitting via offload; report whether
# it fit WITHOUT offload as the "clean" flag.
"fits": fits or bool(model.get("is_moe")),
"offloads": n_cpu_moe > 0,
"note": note,
})
break
cur_ctx //= 2
# De-dupe identical profiles (e.g. tiny model where all three collapse to the
# same all-GPU config) — keep the first/highest-quality label.
seen = set()
deduped = []
for p in profiles:
sig = (p["quant"], p["n_cpu_moe"], p["cache_type"], p["ctx"])
if sig in seen:
continue
seen.add(sig)
deduped.append(p)
return deduped