---
id: pr-deepgemm-233
repo: deepseek-ai/DeepGEMM
pr: 233
title: support bf16 bias in deepgemm2
author: xueweilnvidia
date: '2025-11-25'
url: https://github.com/deepseek-ai/DeepGEMM/pull/233
source_category: upstream-code
architectures:
- sm100
tags:
- arch_pipeline
- benchmark_test
- fp8
- gemm_quant
techniques:
- fine-grained-quantization
- pipeline-stages
hardware_features:
- blackwell
- fp8
kernel_types:
- gemm
- runtime
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: 34e447ba18b8ece9f71e405ef77f827ae6ec04e3
inclusion_reason: Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.
changed_paths:
- csrc/apis/gemm.hpp
- deep_gemm/include/deep_gemm/impls/sm100_fp8_gemm_1d1d.cuh
- tests/generators.py
artifact_dir: evidence/pull-bundles/deepgemm/gh-233
head_ref_oid: d0265992ce3705f5694f0b38e4bb9dbd811c2451
---
# support bf16 bias in deepgemm2

- Repository: `deepseek-ai/DeepGEMM`
- PR: [233](https://github.com/deepseek-ai/DeepGEMM/pull/233)
- 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

- `csrc/apis/gemm.hpp`
- `deep_gemm/include/deep_gemm/impls/sm100_fp8_gemm_1d1d.cuh`
- `tests/generators.py`

## Evidence Bundle

`evidence/pull-bundles/deepgemm/gh-233`
