Files
MyAiConfiguration/shared/retrieval/benchmark.py
T

57 lines
2.2 KiB
Python

import argparse
import json
import os
from pathlib import Path
import statistics
import sys
import time
def elapsed(call):
started = time.monotonic()
call()
return time.monotonic() - started
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--model-cache', required=True, type=Path)
parser.add_argument('--max-seconds', type=float, default=float(os.environ.get('QWEN_BENCHMARK_MAX_SECONDS', '8')))
args = parser.parse_args()
if args.max_seconds <= 0:
raise ValueError('--max-seconds must be greater than zero.')
os.environ['HF_HOME'] = str(args.model_cache)
from server import shared_encoder, shared_reranker
encoder = shared_encoder()
reranker = shared_reranker()
query = 'Find the implementation that updates the selected client configuration.'
documents = ['Path: scripts/commands/install.py\n\n' + query] * 50
print('Benchmark: warming up embedding model...', file=sys.stderr, flush=True)
encoder.encode([query], prompt_name='query')
print('Benchmark: probing reranker speed...', file=sys.stderr, flush=True)
probe = elapsed(lambda: reranker.predict([(query, documents[0])], show_progress_bar=False))
if probe * len(documents) > args.max_seconds:
print(json.dumps({
'embeddingSeconds': None,
'rerankingSeconds': round(probe, 3),
'maxSeconds': args.max_seconds,
'recommended': False,
}))
return
print('Benchmark: measuring full retrieval batch...', file=sys.stderr, flush=True)
reranker.predict([(query, document) for document in documents], show_progress_bar=False)
embedding = statistics.median(elapsed(lambda: encoder.encode([query], prompt_name='query')) for _ in range(3))
reranking = statistics.median(elapsed(lambda: reranker.predict([(query, document) for document in documents], show_progress_bar=False)) for _ in range(3))
result = {
'embeddingSeconds': round(embedding, 3),
'rerankingSeconds': round(reranking, 3),
'maxSeconds': args.max_seconds,
'recommended': embedding <= args.max_seconds and reranking <= args.max_seconds,
}
print(json.dumps(result))
if __name__ == '__main__':
main()