---
id: pr-tensorrt-llm-13160
repo: NVIDIA/TensorRT-LLM
pr: 13160
title: '[None][chore] improve gemm perf for nemotron in spark'
author: ttyio
date: '2026-05-01'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/13160
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types:
- gemm
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 43e3070de4d448ea2ea08141093ec949574cbe64
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cpp/tensorrt_llm/thop/cublasScaledMMLut.h
- tensorrt_llm/_torch/models/modeling_nemotron_h.py
- tensorrt_llm/_torch/modules/mamba/mamba2_mixer.py
- tensorrt_llm/_torch/modules/mlp.py
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-13160
head_ref_oid: 2156b29fb4fb5004f263cb3e3f387c3e47b07242
---
# [None][chore] improve gemm perf for nemotron in spark

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [13160](https://github.com/NVIDIA/TensorRT-LLM/pull/13160)
- 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/thop/cublasScaledMMLut.h`
- `tensorrt_llm/_torch/models/modeling_nemotron_h.py`
- `tensorrt_llm/_torch/modules/mamba/mamba2_mixer.py`
- `tensorrt_llm/_torch/modules/mlp.py`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-13160`
