[Feature] Add entropy calculation script

This commit is contained in:
GoldPancake
2025-12-24 15:00:06 +08:00
committed by GitHub
parent 8acdd9f156
commit a0fed22ddb
+57
View File
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import argparse
import os
import re
from typing import List, Optional
def extract_entropy_values(log_path: str) -> List[float]:
pattern = r"entropy:\s*([0-9]+\.?[0-9]*(?:[eE][+-]?[0-9]+)?)"
entropy_values = []
with open(log_path, "r") as f:
lines = f.readlines()
for line in lines:
match = re.search(pattern, line)
if match:
try:
entropy_value = float(match.group(1))
entropy_values.append(entropy_value)
except ValueError:
continue
return entropy_values
def calculate_average(entropy_values: List[float], drop_ratio: float = 0.1) -> Optional[float]:
if not entropy_values:
return None
sorted_vals = sorted(entropy_values)
n = len(sorted_vals)
drop_count = int(n * drop_ratio)
filtered_vals = sorted_vals[drop_count : n - drop_count] if drop_count > 0 else sorted_vals
if not filtered_vals:
return None, []
avg = sum(filtered_vals) / len(filtered_vals)
return avg, filtered_vals
def main():
parser = argparse.ArgumentParser()
parser.add_argument("--log-dir", type=str, required=True)
parser.add_argument("--drop-ratio", "-d", type=float, default=0.1)
parser.add_argument("--verbose", "-v", action="store_true")
args = parser.parse_args()
entropy_values = extract_entropy_values(os.path.join(args.log_dir, "data_processor.log"))
average_entropy, filtered_vals = calculate_average(entropy_values, args.drop_ratio)
print(f"{len(entropy_values)} entropy values were found")
print(f"effective entropy values: {len(filtered_vals)} (drop ratio {args.drop_ratio})")
print(f"Average entropy: {average_entropy:.10f}")
if args.verbose:
print("\nentropy details:")
for i, value in enumerate(filtered_vals, 1):
print(f" {i}. {value}")
if __name__ == "__main__":
main()