---
id: pr-sglang-7233
repo: sgl-project/sglang
pr: 7233
title: Use seq_len_fill_value in the cuda graph runners
author: merrymercy
date: '2025-06-16'
url: https://github.com/sgl-project/sglang/pull/7233
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: c64290dcb59d0c567a8f81a2af8ece47a423aa33
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/attention/flashattention_backend.py
- python/sglang/srt/layers/attention/flashinfer_backend.py
- python/sglang/srt/layers/attention/flashinfer_mla_backend.py
- python/sglang/srt/model_executor/cuda_graph_runner.py
- python/sglang/srt/speculative/eagle_draft_cuda_graph_runner.py
- python/sglang/srt/speculative/eagle_draft_extend_cuda_graph_runner.py
- python/sglang/srt/speculative/eagle_worker.py
artifact_dir: evidence/pull-bundles/sglang/gh-7233
head_ref_oid: b9cbeaa32f404edebb463c0a1d76da4e68052bd5
---
# Use seq_len_fill_value in the cuda graph runners

- Repository: `sgl-project/sglang`
- PR: [7233](https://github.com/sgl-project/sglang/pull/7233)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/srt/layers/attention/flashattention_backend.py`
- `python/sglang/srt/layers/attention/flashinfer_backend.py`
- `python/sglang/srt/layers/attention/flashinfer_mla_backend.py`
- `python/sglang/srt/model_executor/cuda_graph_runner.py`
- `python/sglang/srt/speculative/eagle_draft_cuda_graph_runner.py`
- `python/sglang/srt/speculative/eagle_draft_extend_cuda_graph_runner.py`
- `python/sglang/srt/speculative/eagle_worker.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-7233`
