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A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 11, 00:00 UTC

Revert "[bench] Support common prefix len config (for decode-only bench)" (#31240)

Signed-off-by: Ming Yang <minos.future@gmail.com>

Ming Yang committed Dec 23, 2025 at 21:17 UTC 3bb9561928bb4b0fb1047e738e2f160f841b04b6
2 files changed -7
vllm/benchmarks/datasets.py
-1
@@ -1847,7 +1847,6 @@ def get_samples(args, tokenizer: TokenizerLike) -> list[SampleRequest]:
1847 random_seed=args.seed,
1848 dataset_path=args.dataset_path,
1849 disable_shuffle=args.disable_shuffle,
1850 - prefix_len=args.common_prefix_len,
1850 ).sample(
1851 tokenizer=tokenizer,
1852 num_requests=args.num_prompts,
vllm/benchmarks/serve.py
-6
@@ -1281,12 +1281,6 @@ def add_cli_args(parser: argparse.ArgumentParser):
1281 help="Repetition penalty sampling parameter. Only has effect on "
1282 "openai-compatible backends.",
1283 )
1284 - sampling_group.add_argument(
1285 - "--common-prefix-len",
1286 - type=int,
1287 - default=None,
1288 - help="Common prefix length shared by all prompts (used by random dataset)",
1289 - )
1284
1285 parser.add_argument(
1286 "--served-model-name",