---
id: pr-tensorrt-llm-12079
repo: NVIDIA/TensorRT-LLM
pr: 12079
title: '[None][feat] CuteDSL MOE: Add raster along M/N support for blockscaled contiguous backbone kernel'
author: liyuhannnnn
date: '2026-03-23'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/12079
source_category: upstream-code
architectures:
- sm100
tags:
- arch_pipeline
- benchmark kernel
- benchmark_test
- compiler_runtime
- cute dsl
- gemm_quant
- moe_routing
techniques:
- fine-grained-quantization
- kernel-fusion
- pipeline-stages
- tile-scheduling
hardware_features:
- blackwell
kernel_types:
- compiler
- gemm
- moe
- runtime
languages:
- cuda-cpp
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: bdd8558e0b5a176cc744ceda9a0d367f860b4352
inclusion_reason: Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.
changed_paths:
- tensorrt_llm/_torch/cute_dsl_kernels/blackwell/blockscaled_contiguous_grouped_gemm.py
- tests/scripts/cute_dsl_kernels/run_blockscaled_contiguous_grouped_gemm.py
- tests/scripts/cute_dsl_kernels/run_blockscaled_contiguous_grouped_gemm_finalize_fusion.py
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-12079
head_ref_oid: a0c42e3828c7dc132858fc8ab7755d598d425c8c
---
# [None][feat] CuteDSL MOE: Add raster along M/N support for blockscaled contiguous backbone kernel

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [12079](https://github.com/NVIDIA/TensorRT-LLM/pull/12079)
- Decision: `Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.`
- Reason: Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.

## Changed Paths

- `tensorrt_llm/_torch/cute_dsl_kernels/blackwell/blockscaled_contiguous_grouped_gemm.py`
- `tests/scripts/cute_dsl_kernels/run_blockscaled_contiguous_grouped_gemm.py`
- `tests/scripts/cute_dsl_kernels/run_blockscaled_contiguous_grouped_gemm_finalize_fusion.py`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-12079`
