110 lines
3.1 KiB
Python
110 lines
3.1 KiB
Python
import argparse
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import json
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import os
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import time
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import numpy as np
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from sglang.api import set_default_backend
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from sglang.test.test_utils import (
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add_common_sglang_args_and_parse,
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select_sglang_backend,
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)
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from sglang.utils import download_and_cache_file, read_jsonl
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def get_one_example(lines, i, include_answer):
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ret = lines[i]["activity_label"] + ": " + lines[i]["ctx"] + " "
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if include_answer:
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ret += lines[i]["endings"][lines[i]["label"]]
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return ret
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def get_few_shot_examples(lines, k):
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ret = ""
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for i in range(k):
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ret += get_one_example(lines, i, True) + "\n\n"
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return ret
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def main(args):
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# Select backend
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set_default_backend(select_sglang_backend(args))
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# Read data
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data_path = args.data_path
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url = "https://raw.githubusercontent.com/rowanz/hellaswag/master/data/hellaswag_val.jsonl"
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if not os.path.isfile(data_path):
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data_path = download_and_cache_file(url)
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lines = list(read_jsonl(data_path))
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# Construct prompts
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num_questions = args.num_questions
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num_shots = args.num_shots
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few_shot_examples = get_few_shot_examples(lines, num_shots)
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questions = []
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choices = []
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labels = []
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for i in range(len(lines[:num_questions])):
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questions.append(get_one_example(lines, i, False))
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choices.append(lines[i]["endings"])
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labels.append(lines[i]["label"])
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arguments = [{"question": q, "choices": c} for q, c in zip(questions, choices)]
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#####################################
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######### SGL Program Begin #########
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#####################################
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import sglang as sgl
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@sgl.function
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def few_shot_hellaswag(s, question, choices):
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s += few_shot_examples + question
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s += sgl.select("answer", choices=choices)
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#####################################
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########## SGL Program End ##########
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#####################################
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# Run requests
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tic = time.time()
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rets = few_shot_hellaswag.run_batch(
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arguments,
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temperature=0,
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num_threads=args.parallel,
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progress_bar=True,
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)
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preds = [choices[i].index(rets[i]["answer"]) for i in range(len(rets))]
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latency = time.time() - tic
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# Compute accuracy
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acc = np.mean(np.array(preds) == np.array(labels))
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print(f"Latency: {latency:.3f}")
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print(f"Accuracy: {acc:.3f}")
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# Write results
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with open(args.result_file, "a") as fout:
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value = {
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"task": "hellaswag",
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"backend": args.backend,
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"num_gpus": 1,
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"latency": round(latency, 3),
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"accuracy": round(acc, 3),
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"num_requests": args.num_questions,
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"other": {
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"num_questions": args.num_questions,
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"parallel": args.parallel,
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},
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}
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fout.write(json.dumps(value) + "\n")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("--num-shots", type=int, default=20)
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parser.add_argument("--data-path", type=str, default="hellaswag_val.jsonl")
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parser.add_argument("--num-questions", type=int, default=200)
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args = add_common_sglang_args_and_parse(parser)
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main(args)
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