---
id: pr-flashinfer-1942
repo: flashinfer-ai/flashinfer
pr: 1942
title: 'Add realistic bench for persistent kernel '
author: Edenzzzz
date: '2025-10-18'
url: https://github.com/flashinfer-ai/flashinfer/pull/1942
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- persistent-kernel
techniques:
- persistent-kernel
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: a0d9cfcea7be6571fe274b5b29874f7894466845
inclusion_reason: kernel file changes
changed_paths:
- benchmarks/bench_batch_attention.py
head_ref_oid: 4656642badd98c9212222d475d76540ab470fead
artifact_dir: evidence/pull-bundles/flashinfer/gh-1942
---
# Add realistic bench for persistent kernel 

- Repository: `flashinfer-ai/flashinfer`
- PR: [1942](https://github.com/flashinfer-ai/flashinfer/pull/1942)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmarks/bench_batch_attention.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1942`
