---
id: pr-flashinfer-2241
repo: flashinfer-ai/flashinfer
pr: 2241
title: Fp8 attention are now part of cuDNN 9.17.1
author: Anerudhan
date: '2025-12-23'
url: https://github.com/flashinfer-ai/flashinfer/pull/2241
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- prefill
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: de94161a36b6435c5a2484e4499fbd65e248ae94
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/routines/attention.py
- flashinfer/cudnn/prefill.py
- tests/attention/test_cudnn_prefill.py
head_ref_oid: e6c564bf21ec28e846b8e25e33fa45aff40faa19
artifact_dir: evidence/pull-bundles/flashinfer/gh-2241
---
# Fp8 attention are now part of cuDNN 9.17.1

- Repository: `flashinfer-ai/flashinfer`
- PR: [2241](https://github.com/flashinfer-ai/flashinfer/pull/2241)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/routines/attention.py`
- `flashinfer/cudnn/prefill.py`
- `tests/attention/test_cudnn_prefill.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2241`
