---
id: pr-flashinfer-3156
repo: flashinfer-ai/flashinfer
pr: 3156
title: '[fix] fix blackwell gdn accuracy issue'
author: Observer007
date: '2026-04-24'
url: https://github.com/flashinfer-ai/flashinfer/pull/3156
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 3516d2bca61f297579c7fb18019c0939c195c578
inclusion_reason: defer
changed_paths:
- flashinfer/gdn_kernels/blackwell/gated_delta_net_chunked.py
- tests/gdn/test_prefill_delta_rule.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-3156
head_ref_oid: b26fb676cb5b4814c864c418a085fcefa8179ca9
---
# [fix] fix blackwell gdn accuracy issue

- Repository: `flashinfer-ai/flashinfer`
- PR: [3156](https://github.com/flashinfer-ai/flashinfer/pull/3156)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `flashinfer/gdn_kernels/blackwell/gated_delta_net_chunked.py`
- `tests/gdn/test_prefill_delta_rule.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-3156`
