---
id: pr-flashinfer-1878
repo: flashinfer-ai/flashinfer
pr: 1878
title: 'Tune kernel compilation parameters for https://github.com/flashinfer-ai/flashinfer/pull/1850 '
author: kahyunnam
date: '2025-10-07'
url: https://github.com/flashinfer-ai/flashinfer/pull/1878
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- flash-attention
- tma
techniques: []
hardware_features:
- tma
kernel_types:
- attention
- flash-attention
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 792dcb1b616f136410289fef806ad33aa3f2ec62
inclusion_reason: kernel file changes
changed_paths:
- csrc/fmha_cutlass_sm100.cu
- include/flashinfer/attention/blackwell/collective/sm100_fmha_fwd_mainloop_tma_warpspecialized.hpp
- tests/attention/test_blackwell_fmha.py
head_ref_oid: 90de572a8c361fd5fbabd545143b76025b505f55
artifact_dir: evidence/pull-bundles/flashinfer/gh-1878
---
# Tune kernel compilation parameters for https://github.com/flashinfer-ai/flashinfer/pull/1850 

- Repository: `flashinfer-ai/flashinfer`
- PR: [1878](https://github.com/flashinfer-ai/flashinfer/pull/1878)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fmha_cutlass_sm100.cu`
- `include/flashinfer/attention/blackwell/collective/sm100_fmha_fwd_mainloop_tma_warpspecialized.hpp`
- `tests/attention/test_blackwell_fmha.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1878`
