---
id: pr-vllm-27146
repo: vllm-project/vllm
pr: 27146
title: '[torch.compile] Enable silu_mul_fp8_quant fusion without custom ops enabled'
author: ZJY0516
date: '2025-10-22'
url: https://github.com/vllm-project/vllm/pull/27146
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types: []
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: ab3e80042eac24dd362408e6d63ad98768046359
inclusion_reason: semantic match with file changes
changed_paths:
- tests/compile/test_silu_mul_quant_fusion.py
- vllm/compilation/activation_quant_fusion.py
- vllm/compilation/matcher_utils.py
- vllm/model_executor/layers/activation.py
head_ref_oid: 5073e1f2aca82d6e56e412b460dea3d1d82cd47a
artifact_dir: evidence/pull-bundles/vllm/gh-27146
---
# [torch.compile] Enable silu_mul_fp8_quant fusion without custom ops enabled

- Repository: `vllm-project/vllm`
- PR: [27146](https://github.com/vllm-project/vllm/pull/27146)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `tests/compile/test_silu_mul_quant_fusion.py`
- `vllm/compilation/activation_quant_fusion.py`
- `vllm/compilation/matcher_utils.py`
- `vllm/model_executor/layers/activation.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-27146`
