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import json
import re
from collections import Counter
def should_ignore(weight_name, exact_ignore: list, regex_ignore: list):
if any(weight_name.startswith(ig) for ig in exact_ignore):
return True
if any(p.match(weight_name) for p in regex_ignore):
return True
return False
def compile_ignore(ignore_list: list | None = None,
extra_ignore_list: list | None = None):
exact = set()
regex = []
for x in (ignore_list or []) + (extra_ignore_list or []):
if x.startswith("re:"):
regex.append(re.compile(x[3:]))
else:
exact.add(x)
return exact, regex
def normalize_to_regex(weight_name: str) -> str:
parts = []
for p in weight_name.split("."):
if p.isdigit():
parts.append(r"\d+")
else:
parts.append(p)
return "re:" + ".".join(parts) + ".*"
def infer_default_quant_target(quant_config: dict) -> str:
classes = quant_config.get("class") or {}
int4_list = classes.get("int4") or []
int8_list = classes.get("int8") or []
if int4_list and not int8_list:
return "int4"
if int8_list and not int4_list:
return "int8"
if len(int4_list) >= len(int8_list):
return "int4"
return "int8"
def suggest_category(weight_name: str, default_quant_target: str) -> tuple[str, str]:
wn = weight_name.lower()
ignore_keywords = [
"lm_head",
"embed_tokens",
".input_layernorm.",
".post_attention_layernorm.",
".self_attn.k_norm.",
".self_attn.q_norm.",
".norm.",
".bias",
".e_score_correction_bias",
]
if any(k in wn for k in ignore_keywords):
return "ignore", "norm/embed/bias 类型,通常放在 ignore"
quant_keywords = [
".self_attn.",
".mlp.",
".experts.",
"_proj.",
".proj.",
".linear.",
]
if any(k in wn for k in quant_keywords):
return default_quant_target, f"线性/投影权重,建议放在 {default_quant_target}"
return "manual-review", "命名不典型,建议人工确认后归类"
def collect_quant_ignore_list(quant_config: dict) -> list[str]:
classes = quant_config.get("class") or {}
ignore_list = []
ignore_list += quant_config.get("ignore") or []
ignore_list += classes.get("int4") or []
ignore_list += classes.get("int8") or []
return ignore_list
def build_missing_summary(missing: list[str], quant_config: dict, max_show: int) -> dict:
default_quant_target = infer_default_quant_target(quant_config)
category_counter = Counter()
rows = []
for wn in missing:
category, reason = suggest_category(wn, default_quant_target)
category_counter[category] += 1
rows.append(
{
"weight_name": wn,
"suggested_category": category,
"suggested_pattern": normalize_to_regex(wn),
"reason": reason,
}
)
return {
"missing_total": len(missing),
"default_quant_target": default_quant_target,
"category_summary": {
"ignore": category_counter.get("ignore", 0),
"int4": category_counter.get("int4", 0),
"int8": category_counter.get("int8", 0),
"manual-review": category_counter.get("manual-review", 0),
},
"top_missing": rows[:max_show],
}
def summarize_missing(missing: list[str], quant_config: dict, max_show: int):
summary = build_missing_summary(missing=missing, quant_config=quant_config, max_show=max_show)
print(f"Missing total: {len(missing)}")
print(f"Default quant target inferred from config: {summary['default_quant_target']}")
print("Suggested category summary:")
for cat, count in summary["category_summary"].items():
print(f" - {cat}: {count}")
if not missing:
print("All weights are covered by quant.ignore/int4/int8.")
return
print(f"\nTop {len(summary['top_missing'])} missing items:")
for idx, row in enumerate(summary["top_missing"], start=1):
print(f"[{idx}] {row['weight_name']}")
print(f" suggestion: {row['suggested_category']}")
print(f" reason: {row['reason']}")
print(f" pattern: {row['suggested_pattern']}")
def check(weight_names, ignore_list):
exact_ignore, regex_ignore = compile_ignore(ignore_list)
missing = []
for wn in weight_names:
if not should_ignore(wn, exact_ignore, regex_ignore):
missing.append(wn)
return missing
def build_validation_result(
weight_names: list[str], quant_config: dict, max_show: int = 20
) -> dict:
ignore_list = collect_quant_ignore_list(quant_config)
missing = check(weight_names, ignore_list)
return build_missing_summary(missing=missing, quant_config=quant_config, max_show=max_show)
if __name__ == "__main__":
import yaml
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument("--weight-map", type=str)
parser.add_argument("--model-info", type=str)
parser.add_argument("--max-show", type=int, default=20)
args = parser.parse_args()
with open(args.model_info, "r") as f:
cfg = yaml.safe_load(f)
quant_config = cfg['quant']
ignore_list = collect_quant_ignore_list(quant_config)
with open(args.weight_map, "r") as f:
weight_names = json.load(f)['weight_map'].keys()
missing = check(list(weight_names), ignore_list)
summarize_missing(missing, quant_config, args.max_show)

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# 过滤明确量化/非量化的layer_name
import re
import os
import json
from collections import OrderedDict
def filter(input_dir: str, filter_regex_list: list | None = None):
if filter_regex_list is None:
filter_regex_list = []
candidate_suffixes = [
"model.safetensors.index.json",
"consolidated.safetensors.index.json",
]
for cs in candidate_suffixes:
input_index_path = os.path.join(input_dir, cs)
if os.path.exists(input_index_path):
break
else:
raise ValueError(f"Can not find index file, {input_dir}")
with open(input_index_path, "r") as f:
weight_map = json.load(f)['weight_map']
deduped = deduplicate_weight_map(weight_map)
kept_weight_names = {}
for w, sf in deduped.items():
if any(re.match(p, w) for p in filter_regex_list):
continue
kept_weight_names[w] = sf
with open("temp.json", "w") as f:
json.dump(kept_weight_names, f, indent=2)
def structure_key(weight_name: str) -> str:
"""
将 layers.<num>. 归一化为 layers.*.,用于结构级去重
"""
return re.sub(r"model.layers\.\d+\.", "model.layers.*.", weight_name)
def deduplicate_weight_map(weight_map: dict):
"""
对 weight_map 进行结构去重,只保留第一个出现的结构
"""
seen = set()
deduped = OrderedDict()
for name, file in weight_map.items():
key = structure_key(name)
if key in seen:
continue
seen.add(key)
deduped[name] = file
return deduped
if __name__ == "__main__":
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument("--input-dir", type=str)
args = parser.parse_args()
filter(args.input_dir)

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import argparse
import json
import os
import re
from collections import defaultdict
from pathlib import Path
LAYER_KEY_PATTERN = re.compile(r"^model\.layers\.(\d+)\.(.+)$")
CANDIDATE_INDEX_FILES = [
"model.safetensors.index.json",
"consolidated.safetensors.index.json",
]
def normalize_numeric_segments(name: str) -> str:
"""
Replace pure numeric path segments with '*'.
Example: model.layers.12.mlp.experts.3.up_proj.weight
-> model.layers.*.mlp.experts.*.up_proj.weight
"""
return ".".join("*" if part.isdigit() else part for part in name.split("."))
def load_weight_map(input_json_path: str) -> dict[str, str]:
with open(input_json_path, "r") as f:
data = json.load(f)
if isinstance(data, dict) and isinstance(data.get("weight_map"), dict):
return data["weight_map"]
if isinstance(data, dict) and all(
isinstance(k, str) and isinstance(v, str) for k, v in data.items()
):
return data
raise ValueError(
"Input json must be either {'weight_map': {...}} or a plain key->file mapping."
)
def find_index_json(input_dir: str) -> str:
for name in CANDIDATE_INDEX_FILES:
path = os.path.join(input_dir, name)
if os.path.exists(path):
return path
raise ValueError(f"Can not find index file in {input_dir}")
def load_weight_map_from_input_dir(input_dir: str) -> tuple[dict[str, str], str]:
index_json_path = find_index_json(input_dir)
return load_weight_map(index_json_path), index_json_path
def build_structure_report(
weight_map: dict[str, str],
max_examples: int,
max_pattern_preview: int,
include_all_layer_patterns: bool,
) -> dict:
pattern_to_keys: dict[str, list[str]] = defaultdict(list)
layer_to_suffix_patterns: dict[int, set[str]] = defaultdict(set)
non_layer_patterns: set[str] = set()
for key in weight_map.keys():
normalized_full = normalize_numeric_segments(key)
pattern_to_keys[normalized_full].append(key)
layer_match = LAYER_KEY_PATTERN.match(key)
if layer_match is None:
non_layer_patterns.add(normalized_full)
continue
layer_id = int(layer_match.group(1))
layer_suffix = layer_match.group(2)
normalized_suffix = normalize_numeric_segments(layer_suffix)
layer_to_suffix_patterns[layer_id].add(normalized_suffix)
normalized_key_patterns = []
for pattern, keys in sorted(
pattern_to_keys.items(),
key=lambda item: (-len(item[1]), item[0]),
):
normalized_key_patterns.append(
{
"pattern": pattern,
"count": len(keys),
"example_keys": sorted(keys)[:max_examples],
}
)
all_patterns = [item["pattern"] for item in normalized_key_patterns]
signature_to_layers: dict[tuple[str, ...], list[int]] = defaultdict(list)
for layer_id, suffix_patterns in layer_to_suffix_patterns.items():
signature = tuple(sorted(suffix_patterns))
signature_to_layers[signature].append(layer_id)
layer_structure_groups = []
sorted_signature_items = sorted(
signature_to_layers.items(),
key=lambda item: (len(item[1]), item[1][0]),
reverse=True,
)
for idx, (signature, layer_ids) in enumerate(sorted_signature_items, start=1):
layer_ids = sorted(layer_ids)
entry = {
"group_id": f"layer_struct_{idx:03d}",
"layer_ids": layer_ids,
"layer_count": len(layer_ids),
"pattern_count": len(signature),
"pattern_preview": list(signature)[:max_pattern_preview],
}
if include_all_layer_patterns:
entry["patterns"] = list(signature)
layer_structure_groups.append(entry)
return {
"all_patterns": all_patterns,
"total_weight_keys": len(weight_map),
"normalized_key_pattern_count": len(normalized_key_patterns),
"normalized_key_patterns": normalized_key_patterns,
"layer_ids_seen": sorted(layer_to_suffix_patterns.keys()),
"layer_structure_group_count": len(layer_structure_groups),
"layer_structure_groups": layer_structure_groups,
"non_layer_pattern_count": len(non_layer_patterns),
"non_layer_patterns": sorted(non_layer_patterns),
}
def get_default_output_path(input_json_path: str) -> str:
input_path = Path(input_json_path)
return str(input_path.with_name(f"{input_path.stem}.layer_structures.json"))
def resolve_io_paths(
input_dir: str | None, input_json: str | None, output_json: str | None
) -> tuple[dict[str, str], str, str]:
if not input_dir and not input_json:
raise ValueError("Either --input-dir or --input-json is required.")
if input_dir and input_json:
raise ValueError("Please provide only one of --input-dir or --input-json.")
if input_dir:
weight_map, input_json_path = load_weight_map_from_input_dir(input_dir)
else:
input_json_path = input_json
weight_map = load_weight_map(input_json_path)
output_json_path = output_json or get_default_output_path(input_json_path)
return weight_map, input_json_path, output_json_path
def main():
parser = argparse.ArgumentParser(
description="Group weight_map keys by normalized pattern and layer structure."
)
parser.add_argument("--input-dir", default=None, type=str)
parser.add_argument("--input-json", default=None, type=str)
parser.add_argument("--output-json", default=None, type=str)
parser.add_argument("--max-examples", default=3, type=int)
parser.add_argument("--max-pattern-preview", default=20, type=int)
parser.add_argument("--include-all-layer-patterns", action="store_true")
args = parser.parse_args()
weight_map, input_json_path, output_json = resolve_io_paths(
input_dir=args.input_dir,
input_json=args.input_json,
output_json=args.output_json,
)
report = build_structure_report(
weight_map=weight_map,
max_examples=args.max_examples,
max_pattern_preview=args.max_pattern_preview,
include_all_layer_patterns=args.include_all_layer_patterns,
)
with open(output_json, "w") as f:
json.dump(report, f, indent=2)
print(f"Saved grouped structure report to: {output_json}")
print(f"Loaded weight_map from: {input_json_path}")
print(f"Total keys: {report['total_weight_keys']}")
print(f"Layer structure groups: {report['layer_structure_group_count']}")
if __name__ == "__main__":
main()