---
id: pr-flashinfer-2842
repo: flashinfer-ai/flashinfer
pr: 2842
title: 'perf: Optimize GDN MTP decode kernel (v15) — eliminate ilp=1 fallback…'
author: ameynaik-hub
date: '2026-04-02'
url: https://github.com/flashinfer-ai/flashinfer/pull/2842
source_category: upstream-code
architectures:
- sm100
tags:
- decode
techniques: []
hardware_features: []
kernel_types:
- decode
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fc08cd14ceb38a83ca00dd5b376c3b6e16582690
inclusion_reason: kernel file changes
changed_paths:
- flashinfer/gdn_decode.py
- flashinfer/gdn_kernels/__init__.py
- flashinfer/gdn_kernels/gdn_decode_mtp.py
head_ref_oid: 2db6fe4d6a4adbf197ca6dfb26667d6c8c48a8f5
artifact_dir: evidence/pull-bundles/flashinfer/gh-2842
---
# perf: Optimize GDN MTP decode kernel (v15) — eliminate ilp=1 fallback…

- Repository: `flashinfer-ai/flashinfer`
- PR: [2842](https://github.com/flashinfer-ai/flashinfer/pull/2842)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `flashinfer/gdn_decode.py`
- `flashinfer/gdn_kernels/__init__.py`
- `flashinfer/gdn_kernels/gdn_decode_mtp.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2842`
