---
id: pr-sglang-21190
repo: sgl-project/sglang
pr: 21190
title: '[Whisper] Enable CUDA graph support and timestamp for whisper model'
author: JustinTong0323
date: '2026-03-28'
url: https://github.com/sgl-project/sglang/pull/21190
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- cuda-cpp
- python
captured_at: '2026-04-17'
status: merged
merge_sha: ced69c9f8453408a866e63682331b4f760cd756f
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/entrypoints/http_server.py
- python/sglang/srt/entrypoints/openai/protocol.py
- python/sglang/srt/entrypoints/openai/serving_transcription.py
- python/sglang/srt/layers/attention/flashinfer_backend.py
- python/sglang/srt/model_executor/cuda_graph_runner.py
- python/sglang/srt/model_executor/model_runner.py
- python/sglang/srt/models/whisper.py
- python/sglang/srt/multimodal/processors/whisper.py
- python/sglang/srt/server_args.py
- test/manual/test_whisper_cuda_graph.py
head_ref_oid: a8fb0e92783340b7d054f53b8abb70f0eec3e1ee
artifact_dir: evidence/pull-bundles/sglang/gh-21190
---
# [Whisper] Enable CUDA graph support and timestamp for whisper model

- Repository: `sgl-project/sglang`
- PR: [21190](https://github.com/sgl-project/sglang/pull/21190)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/entrypoints/http_server.py`
- `python/sglang/srt/entrypoints/openai/protocol.py`
- `python/sglang/srt/entrypoints/openai/serving_transcription.py`
- `python/sglang/srt/layers/attention/flashinfer_backend.py`
- `python/sglang/srt/model_executor/cuda_graph_runner.py`
- `python/sglang/srt/model_executor/model_runner.py`
- `python/sglang/srt/models/whisper.py`
- `python/sglang/srt/multimodal/processors/whisper.py`
- `python/sglang/srt/server_args.py`
- `test/manual/test_whisper_cuda_graph.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-21190`
