---
id: pr-tensorrt-llm-13660
repo: NVIDIA/TensorRT-LLM
pr: 13660
title: '[TRTLLM-12383][fix] limit MHC TF32 pmap GEMM to SM100'
author: mingyangHao
date: '2026-04-30'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/13660
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
- sm100
techniques: []
hardware_features:
- blackwell
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 6635c0183978ec316b20aa16534891fd33b95fb1
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cpp/tensorrt_llm/kernels/mhcKernels/fused_tf32_pmap_gemm.cuh
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-13660
head_ref_oid: 47df65535ea23883349e428b1e2ca9a7192fa362
---
# [TRTLLM-12383][fix] limit MHC TF32 pmap GEMM to SM100

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [13660](https://github.com/NVIDIA/TensorRT-LLM/pull/13660)
- 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/mhcKernels/fused_tf32_pmap_gemm.cuh`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-13660`
