---
id: pr-flashinfer-2131
repo: flashinfer-ai/flashinfer
pr: 2131
title: make DeepGEMM swapAB available for linear gemm SM90
author: katec846
date: '2025-12-17'
url: https://github.com/flashinfer-ai/flashinfer/pull/2131
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp8
- gemm
techniques: []
hardware_features:
- fp8
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 15a819ec1ca4a0e1e845c5b8b8ba6357c18440ae
inclusion_reason: kernel file changes
changed_paths:
- csrc/fp8_blockscale_gemm_sm90_binding.cu
- csrc/nv_internal/tensorrt_llm/kernels/cutlass_kernels/fp8_blockscale_gemm/fp8_blockscale_gemm_kernel.cuh
- flashinfer/gemm/__init__.py
- flashinfer/gemm/gemm_base.py
- flashinfer/jit/gemm/__init__.py
- flashinfer/jit/gemm/fp8_blockscale.py
- tests/gemm/test_fp8_blockscale_gemm.py
head_ref_oid: c2e0540095179b0bea18af2f137be36fb51fc158
artifact_dir: evidence/pull-bundles/flashinfer/gh-2131
---
# make DeepGEMM swapAB available for linear gemm SM90

- Repository: `flashinfer-ai/flashinfer`
- PR: [2131](https://github.com/flashinfer-ai/flashinfer/pull/2131)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fp8_blockscale_gemm_sm90_binding.cu`
- `csrc/nv_internal/tensorrt_llm/kernels/cutlass_kernels/fp8_blockscale_gemm/fp8_blockscale_gemm_kernel.cuh`
- `flashinfer/gemm/__init__.py`
- `flashinfer/gemm/gemm_base.py`
- `flashinfer/jit/gemm/__init__.py`
- `flashinfer/jit/gemm/fp8_blockscale.py`
- `tests/gemm/test_fp8_blockscale_gemm.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2131`
