---
id: pr-vllm-21420
repo: vllm-project/vllm
pr: 21420
title: '[Bugfix][CUDA] fixes CUDA FP8 kv cache dtype supported'
author: elvischenv
date: '2025-07-23'
url: https://github.com/vllm-project/vllm/pull/21420
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
techniques: []
hardware_features:
- fp8
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 2dec7c1a5df93b125199206f8ecc4975de82e504
inclusion_reason: semantic match with file changes
changed_paths:
- vllm/platforms/cuda.py
head_ref_oid: 884003755a487cf6e452b63f7c409d642230ffd4
artifact_dir: evidence/pull-bundles/vllm/gh-21420
---
# [Bugfix][CUDA] fixes CUDA FP8 kv cache dtype supported

- Repository: `vllm-project/vllm`
- PR: [21420](https://github.com/vllm-project/vllm/pull/21420)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `vllm/platforms/cuda.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21420`
