---
id: pr-flashinfer-1631
repo: flashinfer-ai/flashinfer
pr: 1631
title: 'bugfix: trtllm-gen fmha sm101 and sm100 compatibility'
author: cyx-6
date: '2025-09-03'
url: https://github.com/flashinfer-ai/flashinfer/pull/1631
source_category: upstream-code
architectures:
- sm100
tags:
- flash-attention
techniques: []
hardware_features: []
kernel_types:
- flash-attention
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: dae1a0f1f9bdeb65ed9ba27cea573e28913699a4
inclusion_reason: kernel file changes
changed_paths:
- include/flashinfer/trtllm/fmha/fmhaKernels.cuh
head_ref_oid: d2e96247ec0fad8c484814840982554feecbbf46
artifact_dir: evidence/pull-bundles/flashinfer/gh-1631
---
# bugfix: trtllm-gen fmha sm101 and sm100 compatibility

- Repository: `flashinfer-ai/flashinfer`
- PR: [1631](https://github.com/flashinfer-ai/flashinfer/pull/1631)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `include/flashinfer/trtllm/fmha/fmhaKernels.cuh`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1631`
