104 lines
2.8 KiB
Python
104 lines
2.8 KiB
Python
import itertools
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import json
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import random
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import string
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import threading
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import time
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from argparse import ArgumentParser
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import sglang as sgl
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from sglang.srt.hf_transformers_utils import get_tokenize
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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 dump_state_text
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random.seed(42)
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def gen_prompt(tokenizer, token_num):
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all_available_tokens = list(tokenizer.get_vocab().values())
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selected_tokens = random.choices(all_available_tokens, k=token_num)
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ret = tokenizer.decode(selected_tokens)
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return ret
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def gen_arguments(args, tokenizer):
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multi_qas = [
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{"system_prompt": gen_prompt(tokenizer, args.system_prompt_len), "qas": []}
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for _ in range(args.num_qa)
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]
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for i in range(args.num_qa):
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qas = multi_qas[i]["qas"]
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for j in range(args.turns):
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qas.append(
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{
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"prompt": gen_prompt(tokenizer, args.len_q),
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"new_tokens": args.len_a,
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}
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)
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return multi_qas
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@sgl.function
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def multi_turns(s, system_prompt, qas):
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s += system_prompt
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for qa in qas:
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s += qa["prompt"]
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s += sgl.gen(max_tokens=qa["new_tokens"], ignore_eos=True)
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def main(args):
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tokenizer = get_tokenizer(args.tokenizer, trust_remote_code=args.trust_remote_code)
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multi_qas = gen_arguments(args, tokenizer)
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backend = select_sglang_backend(args)
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tic = time.time()
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states = multi_turns.run_batch(
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multi_qas,
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temperature=0,
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backend=backend,
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num_threads=args.parallel,
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progress_bar=True,
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)
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latency = time.time() - tic
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print(f"Latency: {latency:.3f}")
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dump_state_text(f"tmp_output_{args.backend}.txt", states)
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with open(args.result_file, "a") as fout:
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value = {
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"task": "multi_turn_system_prompt_chat",
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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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"num_requests": args.num_qa,
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"num_turns": args.turns,
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"other": {
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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 = ArgumentParser()
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parser.add_argument("--turns", type=int, default=8)
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parser.add_argument("--num-qa", type=int, default=128)
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parser.add_argument("--system-prompt-len", type=int, default=2048)
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parser.add_argument("--len-q", type=int, default=32)
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parser.add_argument("--len-a", type=int, default=128)
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parser.add_argument(
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"--tokenizer", type=str, default="meta-llama/Meta-Llama-3-8B-Instruct"
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)
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parser.add_argument("--trust-remote-code", action="store_true")
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args = add_common_sglang_args_and_parse(parser)
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print(args)
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main(args)
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