[Misc] Make benchmarks use EngineArgs (#9529)

This commit is contained in:
Jeremy Arnold
2024-10-22 17:40:38 -05:00
committed by GitHub
parent 23b899a8e6
commit cb6fdaa0a0
4 changed files with 38 additions and 512 deletions

View File

@@ -1,5 +1,6 @@
"""Benchmark offline prioritization."""
import argparse
import dataclasses
import json
import random
import time
@@ -7,7 +8,8 @@ from typing import List, Optional, Tuple
from transformers import AutoTokenizer, PreTrainedTokenizerBase
from vllm.model_executor.layers.quantization import QUANTIZATION_METHODS
from vllm.engine.arg_utils import EngineArgs
from vllm.utils import FlexibleArgumentParser
def sample_requests(
@@ -62,46 +64,11 @@ def sample_requests(
def run_vllm(
requests: List[Tuple[str, int, int]],
model: str,
tokenizer: str,
quantization: Optional[str],
tensor_parallel_size: int,
seed: int,
n: int,
trust_remote_code: bool,
dtype: str,
max_model_len: Optional[int],
enforce_eager: bool,
kv_cache_dtype: str,
quantization_param_path: Optional[str],
device: str,
enable_prefix_caching: bool,
enable_chunked_prefill: bool,
max_num_batched_tokens: int,
gpu_memory_utilization: float = 0.9,
download_dir: Optional[str] = None,
engine_args: EngineArgs,
) -> float:
from vllm import LLM, SamplingParams
llm = LLM(
model=model,
tokenizer=tokenizer,
quantization=quantization,
tensor_parallel_size=tensor_parallel_size,
seed=seed,
trust_remote_code=trust_remote_code,
dtype=dtype,
max_model_len=max_model_len,
gpu_memory_utilization=gpu_memory_utilization,
enforce_eager=enforce_eager,
kv_cache_dtype=kv_cache_dtype,
quantization_param_path=quantization_param_path,
device=device,
enable_prefix_caching=enable_prefix_caching,
download_dir=download_dir,
enable_chunked_prefill=enable_chunked_prefill,
max_num_batched_tokens=max_num_batched_tokens,
disable_log_stats=False,
)
llm = LLM(**dataclasses.asdict(engine_args))
# Add the requests to the engine.
prompts = []
@@ -142,16 +109,8 @@ def main(args: argparse.Namespace):
args.output_len)
if args.backend == "vllm":
elapsed_time = run_vllm(requests, args.model, args.tokenizer,
args.quantization, args.tensor_parallel_size,
args.seed, args.n, args.trust_remote_code,
args.dtype, args.max_model_len,
args.enforce_eager, args.kv_cache_dtype,
args.quantization_param_path, args.device,
args.enable_prefix_caching,
args.enable_chunked_prefill,
args.max_num_batched_tokens,
args.gpu_memory_utilization, args.download_dir)
elapsed_time = run_vllm(requests, args.n,
EngineArgs.from_cli_args(args))
else:
raise ValueError(f"Unknown backend: {args.backend}")
total_num_tokens = sum(prompt_len + output_len
@@ -173,7 +132,7 @@ def main(args: argparse.Namespace):
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Benchmark the throughput.")
parser = FlexibleArgumentParser(description="Benchmark the throughput.")
parser.add_argument("--backend",
type=str,
choices=["vllm", "hf", "mii"],
@@ -191,13 +150,6 @@ if __name__ == "__main__":
default=None,
help="Output length for each request. Overrides the "
"output length from the dataset.")
parser.add_argument("--model", type=str, default="facebook/opt-125m")
parser.add_argument("--tokenizer", type=str, default=None)
parser.add_argument('--quantization',
'-q',
choices=[*QUANTIZATION_METHODS, None],
default=None)
parser.add_argument("--tensor-parallel-size", "-tp", type=int, default=1)
parser.add_argument("--n",
type=int,
default=1,
@@ -206,81 +158,13 @@ if __name__ == "__main__":
type=int,
default=200,
help="Number of prompts to process.")
parser.add_argument("--seed", type=int, default=0)
parser.add_argument('--trust-remote-code',
action='store_true',
help='trust remote code from huggingface')
parser.add_argument(
'--max-model-len',
type=int,
default=None,
help='Maximum length of a sequence (including prompt and output). '
'If None, will be derived from the model.')
parser.add_argument(
'--dtype',
type=str,
default='auto',
choices=['auto', 'half', 'float16', 'bfloat16', 'float', 'float32'],
help='data type for model weights and activations. '
'The "auto" option will use FP16 precision '
'for FP32 and FP16 models, and BF16 precision '
'for BF16 models.')
parser.add_argument('--gpu-memory-utilization',
type=float,
default=0.9,
help='the fraction of GPU memory to be used for '
'the model executor, which can range from 0 to 1.'
'If unspecified, will use the default value of 0.9.')
parser.add_argument("--enforce-eager",
action="store_true",
help="enforce eager execution")
parser.add_argument(
'--kv-cache-dtype',
type=str,
choices=['auto', 'fp8', 'fp8_e5m2', 'fp8_e4m3'],
default="auto",
help='Data type for kv cache storage. If "auto", will use model '
'data type. CUDA 11.8+ supports fp8 (=fp8_e4m3) and fp8_e5m2. '
'ROCm (AMD GPU) supports fp8 (=fp8_e4m3)')
parser.add_argument(
'--quantization-param-path',
type=str,
default=None,
help='Path to the JSON file containing the KV cache scaling factors. '
'This should generally be supplied, when KV cache dtype is FP8. '
'Otherwise, KV cache scaling factors default to 1.0, which may cause '
'accuracy issues. FP8_E5M2 (without scaling) is only supported on '
'cuda version greater than 11.8. On ROCm (AMD GPU), FP8_E4M3 is '
'instead supported for common inference criteria.')
parser.add_argument(
"--device",
type=str,
default="cuda",
choices=["cuda", "cpu"],
help='device type for vLLM execution, supporting CUDA and CPU.')
parser.add_argument(
"--enable-prefix-caching",
action='store_true',
help="enable automatic prefix caching for vLLM backend.")
parser.add_argument("--enable-chunked-prefill",
action='store_true',
help="enable chunked prefill for vLLM backend.")
parser.add_argument('--max-num-batched-tokens',
type=int,
default=None,
help='maximum number of batched tokens per '
'iteration')
parser.add_argument('--download-dir',
type=str,
default=None,
help='directory to download and load the weights, '
'default to the default cache dir of huggingface')
parser.add_argument(
'--output-json',
type=str,
default=None,
help='Path to save the throughput results in JSON format.')
parser = EngineArgs.add_cli_args(parser)
args = parser.parse_args()
if args.tokenizer is None:
args.tokenizer = args.model