Files
sglang/benchmark/multi_turn_chat/long_prompt_multi_turn.py
2024-11-10 21:57:32 -08:00

104 lines
2.8 KiB
Python

import itertools
import json
import random
import string
import threading
import time
from argparse import ArgumentParser
import sglang as sgl
from sglang.srt.hf_transformers_utils import get_tokenize
from sglang.test.test_utils import (
add_common_sglang_args_and_parse,
select_sglang_backend,
)
from sglang.utils import dump_state_text
random.seed(42)
def gen_prompt(tokenizer, token_num):
all_available_tokens = list(tokenizer.get_vocab().values())
selected_tokens = random.choices(all_available_tokens, k=token_num)
ret = tokenizer.decode(selected_tokens)
return ret
def gen_arguments(args, tokenizer):
multi_qas = [
{"system_prompt": gen_prompt(tokenizer, args.system_prompt_len), "qas": []}
for _ in range(args.num_qa)
]
for i in range(args.num_qa):
qas = multi_qas[i]["qas"]
for j in range(args.turns):
qas.append(
{
"prompt": gen_prompt(tokenizer, args.len_q),
"new_tokens": args.len_a,
}
)
return multi_qas
@sgl.function
def multi_turns(s, system_prompt, qas):
s += system_prompt
for qa in qas:
s += qa["prompt"]
s += sgl.gen(max_tokens=qa["new_tokens"], ignore_eos=True)
def main(args):
tokenizer = get_tokenizer(args.tokenizer, trust_remote_code=args.trust_remote_code)
multi_qas = gen_arguments(args, tokenizer)
backend = select_sglang_backend(args)
tic = time.time()
states = multi_turns.run_batch(
multi_qas,
temperature=0,
backend=backend,
num_threads=args.parallel,
progress_bar=True,
)
latency = time.time() - tic
print(f"Latency: {latency:.3f}")
dump_state_text(f"tmp_output_{args.backend}.txt", states)
with open(args.result_file, "a") as fout:
value = {
"task": "multi_turn_system_prompt_chat",
"backend": args.backend,
"num_gpus": 1,
"latency": round(latency, 3),
"num_requests": args.num_qa,
"num_turns": args.turns,
"other": {
"parallel": args.parallel,
},
}
fout.write(json.dumps(value) + "\n")
if __name__ == "__main__":
parser = ArgumentParser()
parser.add_argument("--turns", type=int, default=8)
parser.add_argument("--num-qa", type=int, default=128)
parser.add_argument("--system-prompt-len", type=int, default=2048)
parser.add_argument("--len-q", type=int, default=32)
parser.add_argument("--len-a", type=int, default=128)
parser.add_argument(
"--tokenizer", type=str, default="meta-llama/Meta-Llama-3-8B-Instruct"
)
parser.add_argument("--trust-remote-code", action="store_true")
args = add_common_sglang_args_and_parse(parser)
print(args)
main(args)