---
id: pr-tensorrt-llm-13945
repo: NVIDIA/TensorRT-LLM
pr: 13945
title: '[https://nvbugs/6100102][fix] Fix cutlass grouped gemm launcher EpilogueScalars construction'
author: yifeizhang-c
date: '2026-05-11'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/13945
source_category: upstream-code
architectures:
- sm100
tags:
- benchmark kernel
- cutlass
- gemm
- moe
- moe kernel
- tma
techniques:
- async-copy
- epilogue-fusion
hardware_features:
- tma
kernel_types:
- gemm
- moe
languages:
- cuda-cpp
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 8efeddc2bc16a718de949310925cda20fdd317dd
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cpp/tensorrt_llm/kernels/cutlass_kernels/moe_gemm/launchers/moe_gemm_tma_ws_launcher.inl
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-13945
head_ref_oid: 8c9dac1a5be692756c6a1479f8f503aeff1b4e52
---
# [https://nvbugs/6100102][fix] Fix cutlass grouped gemm launcher EpilogueScalars construction

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [13945](https://github.com/NVIDIA/TensorRT-LLM/pull/13945)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `cpp/tensorrt_llm/kernels/cutlass_kernels/moe_gemm/launchers/moe_gemm_tma_ws_launcher.inl`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-13945`
