---
id: pr-vllm-23929
repo: vllm-project/vllm
pr: 23929
title: '[BUGFIX ] fix undefined silu_and_mul_nvfp4_quant'
author: youzhedian
date: '2025-08-29'
url: https://github.com/vllm-project/vllm/pull/23929
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- nvfp4
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types: []
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 0dc9532065c5f98952cb82d4c497e49ca09400bf
inclusion_reason: kernel file changes
changed_paths:
- csrc/ops.h
- csrc/torch_bindings.cpp
- vllm/compilation/fix_functionalization.py
head_ref_oid: 72bbc901d373bffa1adbfc86e81a7f9eece33b7d
artifact_dir: evidence/pull-bundles/vllm/gh-23929
---
# [BUGFIX ] fix undefined silu_and_mul_nvfp4_quant

- Repository: `vllm-project/vllm`
- PR: [23929](https://github.com/vllm-project/vllm/pull/23929)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/ops.h`
- `csrc/torch_bindings.cpp`
- `vllm/compilation/fix_functionalization.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23929`
