---
id: pr-flashinfer-1060
repo: flashinfer-ai/flashinfer
pr: 1060
title: 'bugfix: move `cum_m` calculation inside kernels'
author: yzh119
date: '2025-05-15'
url: https://github.com/flashinfer-ai/flashinfer/pull/1060
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: e00e8cedbfcb220f328fd36aa8f529f869b01e6b
inclusion_reason: defer
changed_paths:
- csrc/group_gemm_groupwise_sm100.cu
- csrc/group_gemm_sm100_pybind.cu
- flashinfer/gemm.py
- include/flashinfer/gemm/group_gemm_groupwise_sm100.cuh
artifact_dir: evidence/pull-bundles/flashinfer/gh-1060
head_ref_oid: 5996a32cac5d155a4a772c1e4e6cf65c8e17d1df
---
# bugfix: move `cum_m` calculation inside kernels

- Repository: `flashinfer-ai/flashinfer`
- PR: [1060](https://github.com/flashinfer-ai/flashinfer/pull/1060)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/group_gemm_groupwise_sm100.cu`
- `csrc/group_gemm_sm100_pybind.cu`
- `flashinfer/gemm.py`
- `include/flashinfer/gemm/group_gemm_groupwise_sm100.cuh`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1060`
