---
id: pr-flashinfer-2109
repo: flashinfer-ai/flashinfer
pr: 2109
title: 'feat: support more head dim in RoPE kernel'
author: raayandhar
date: '2025-12-12'
url: https://github.com/flashinfer-ai/flashinfer/pull/2109
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 1ac4e1d73a5f89b683f1003dfac8bdb59deb5bb6
inclusion_reason: kernel file changes
changed_paths:
- include/flashinfer/pos_enc.cuh
- tests/attention/test_rope.py
head_ref_oid: cb04ef1f891ec522069b4070d610f9bfe37d8101
artifact_dir: evidence/pull-bundles/flashinfer/gh-2109
---
# feat: support more head dim in RoPE kernel

- Repository: `flashinfer-ai/flashinfer`
- PR: [2109](https://github.com/flashinfer-ai/flashinfer/pull/2109)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `include/flashinfer/pos_enc.cuh`
- `tests/attention/test_rope.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2109`
