Fix native Cookbook quant classification

This commit is contained in:
spooky
2026-06-02 14:07:20 +10:00
committed by GitHub
parent 65b5d65059
commit cd4f496cb4
6 changed files with 201 additions and 44 deletions
+63 -9
View File
@@ -5,7 +5,9 @@ import re
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, "NVFP4": 0.5,
"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,
@@ -14,7 +16,9 @@ QUANT_BPP = {
}
QUANT_SPEED_MULT = {
"F16": 0.6, "BF16": 0.6, "FP8": 0.85, "NVFP4": 1.1,
"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,
@@ -23,7 +27,9 @@ QUANT_SPEED_MULT = {
}
QUANT_QUALITY_PENALTY = {
"F16": 0.0, "BF16": 0.0, "FP8": 0.0, "NVFP4": 0.0,
"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,
@@ -32,7 +38,9 @@ QUANT_QUALITY_PENALTY = {
}
QUANT_BYTES_PER_PARAM = {
"F16": 2.0, "BF16": 2.0, "FP8": 1.0, "NVFP4": 0.5,
"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,
@@ -40,14 +48,60 @@ QUANT_BYTES_PER_PARAM = {
"mlx-4bit": 0.5, "mlx-8bit": 1.0, "mlx-6bit": 0.75,
}
# Pre-quantized formats that should NOT go through the GGUF quant hierarchy
PREQUANTIZED_PREFIXES = ("AWQ-", "GPTQ-", "mlx-", "FP8", "NVFP4")
# 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",
)
def infer_quantization_from_name(name):
n = (name or "").lower()
if "nvfp4" in n:
return "NVFP4"
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 "mlx" in n:
if "6bit" in n:
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", "")
name = (model.get("name") or "").lower()
return "nvfp4" in name or any(q.startswith(p) for p in PREQUANTIZED_PREFIXES)
return any(q.startswith(p) for p in PREQUANTIZED_PREFIXES)
def params_b(model):
@@ -168,7 +222,7 @@ def get_models():
data_path = os.path.join(os.path.dirname(__file__), "data", "hf_models.json")
try:
with open(data_path, encoding="utf-8") as f:
_models_cache = json.load(f)
_models_cache = [_normalize_model_entry(m) for m in json.load(f)]
except (FileNotFoundError, json.JSONDecodeError):
_models_cache = []
return _models_cache