---
id: pr-vllm-28358
repo: vllm-project/vllm
pr: 28358
title: '[Performance][B200] silu_mul_quant: pack scales in int32'
author: varun-sundar-rabindranath
date: '2025-11-13'
url: https://github.com/vllm-project/vllm/pull/28358
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- gemm
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- gemm
- moe
- quantization
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: fe1cd7704ddd3266ddc97181ab24a167b3c9223c
inclusion_reason: kernel file changes
changed_paths:
- csrc/quantization/activation_kernels.cu
- tests/conftest.py
- tests/kernels/moe/test_deepep_deepgemm_moe.py
- tests/kernels/moe/test_deepep_moe.py
- tests/kernels/moe/test_silu_mul_fp8_quant_deep_gemm.py
- vllm/model_executor/layers/fused_moe/batched_deep_gemm_moe.py
- vllm/utils/deep_gemm.py
head_ref_oid: ae58b919e5a56895c4c49dda76754c7384dca342
artifact_dir: evidence/pull-bundles/vllm/gh-28358
---
# [Performance][B200] silu_mul_quant: pack scales in int32

- Repository: `vllm-project/vllm`
- PR: [28358](https://github.com/vllm-project/vllm/pull/28358)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/quantization/activation_kernels.cu`
- `tests/conftest.py`
- `tests/kernels/moe/test_deepep_deepgemm_moe.py`
- `tests/kernels/moe/test_deepep_moe.py`
- `tests/kernels/moe/test_silu_mul_fp8_quant_deep_gemm.py`
- `vllm/model_executor/layers/fused_moe/batched_deep_gemm_moe.py`
- `vllm/utils/deep_gemm.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-28358`
