---
id: pr-sglang-2752
repo: sgl-project/sglang
pr: 2752
title: Support cutlass Int8 gemm
author: ispobock
date: '2025-01-06'
url: https://github.com/sgl-project/sglang/pull/2752
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- epilogue-fusion
- gemm
techniques:
- epilogue-fusion
hardware_features: []
kernel_types:
- gemm
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 0f3eb1d29404f9941e07aaa8b5f1d39523e12608
inclusion_reason: kernel file changes
changed_paths:
- sgl-kernel/CMakeLists.txt
- sgl-kernel/benchmark/bench_int8_gemm.py
- sgl-kernel/setup.py
- sgl-kernel/src/sgl-kernel/__init__.py
- sgl-kernel/src/sgl-kernel/csrc/cutlass_extensions/epilogue/epilogue_per_row_per_col_scale.h
- sgl-kernel/src/sgl-kernel/csrc/cutlass_extensions/gemm/gemm_universal_base_compat.h
- sgl-kernel/src/sgl-kernel/csrc/cutlass_extensions/gemm/gemm_with_epilogue_visitor.h
- sgl-kernel/src/sgl-kernel/csrc/int8_gemm_kernel.cu
- sgl-kernel/src/sgl-kernel/csrc/sgl_kernel_ops.cu
- sgl-kernel/src/sgl-kernel/csrc/utils.hpp
- sgl-kernel/src/sgl-kernel/ops/__init__.py
- sgl-kernel/tests/test_int8_gemm.py
head_ref_oid: 853802332b234ba4d862fcde0518531d71faf254
artifact_dir: evidence/pull-bundles/sglang/gh-2752
---
# Support cutlass Int8 gemm

- Repository: `sgl-project/sglang`
- PR: [2752](https://github.com/sgl-project/sglang/pull/2752)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `sgl-kernel/CMakeLists.txt`
- `sgl-kernel/benchmark/bench_int8_gemm.py`
- `sgl-kernel/setup.py`
- `sgl-kernel/src/sgl-kernel/__init__.py`
- `sgl-kernel/src/sgl-kernel/csrc/cutlass_extensions/epilogue/epilogue_per_row_per_col_scale.h`
- `sgl-kernel/src/sgl-kernel/csrc/cutlass_extensions/gemm/gemm_universal_base_compat.h`
- `sgl-kernel/src/sgl-kernel/csrc/cutlass_extensions/gemm/gemm_with_epilogue_visitor.h`
- `sgl-kernel/src/sgl-kernel/csrc/int8_gemm_kernel.cu`
- `sgl-kernel/src/sgl-kernel/csrc/sgl_kernel_ops.cu`
- `sgl-kernel/src/sgl-kernel/csrc/utils.hpp`
- `sgl-kernel/src/sgl-kernel/ops/__init__.py`
- `sgl-kernel/tests/test_int8_gemm.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-2752`
