---
id: pr-deepgemm-88
repo: deepseek-ai/DeepGEMM
pr: 88
title: Support TMA multicast on B with m_grouped_gemm_contiguous.
author: yukuai26
date: '2025-04-21'
url: https://github.com/deepseek-ai/DeepGEMM/pull/88
source_category: upstream-code
architectures:
- sm100
tags:
- TMA
- arch_pipeline
- benchmark_test
- gemm
- gemm_quant
- grouped gemm
- moe_routing
- scheduler
- scheduler_autotune
techniques:
- async-copy
- autotuning
- fine-grained-quantization
- pipeline-stages
- tile-scheduling
hardware_features:
- fp8
- tma
kernel_types:
- gemm
- moe
- runtime
- scheduler
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: 891f35adf508bdc46b9becfb4883712d60788dc6
inclusion_reason: Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.
changed_paths:
- README.md
- deep_gemm/include/deep_gemm/fp8_gemm.cuh
- deep_gemm/include/deep_gemm/scheduler.cuh
- deep_gemm/jit_kernels/gemm.py
- tests/test_core.py
artifact_dir: evidence/pull-bundles/deepgemm/gh-88
head_ref_oid: c99756778d06bb08ad201de17ffba174565473ac
---
# Support TMA multicast on B with m_grouped_gemm_contiguous.

- Repository: `deepseek-ai/DeepGEMM`
- PR: [88](https://github.com/deepseek-ai/DeepGEMM/pull/88)
- 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

- `README.md`
- `deep_gemm/include/deep_gemm/fp8_gemm.cuh`
- `deep_gemm/include/deep_gemm/scheduler.cuh`
- `deep_gemm/jit_kernels/gemm.py`
- `tests/test_core.py`

## Evidence Bundle

`evidence/pull-bundles/deepgemm/gh-88`
