---
id: pr-flashinfer-2844
repo: flashinfer-ai/flashinfer
pr: 2844
title: read real strides for kv and block scale
author: sychen52
date: '2026-04-01'
url: https://github.com/flashinfer-ai/flashinfer/pull/2844
source_category: upstream-code
architectures:
- sm100
tags:
- decode
- flash-attention
- prefill
techniques: []
hardware_features: []
kernel_types:
- decode
- flash-attention
- prefill
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 7924dc02f9c0a7a927f6ca04f23e18e4cc72b26b
inclusion_reason: kernel file changes
changed_paths:
- csrc/trtllm_fmha_kernel_launcher.cu
- flashinfer/decode.py
- flashinfer/prefill.py
- include/flashinfer/trtllm/fmha/fmhaRunnerParams.h
- include/flashinfer/trtllm/fmha/kernelParams.h
head_ref_oid: df00f4e2a46772de9477e4842e4651c2856fc0d6
artifact_dir: evidence/pull-bundles/flashinfer/gh-2844
---
# read real strides for kv and block scale

- Repository: `flashinfer-ai/flashinfer`
- PR: [2844](https://github.com/flashinfer-ai/flashinfer/pull/2844)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/trtllm_fmha_kernel_launcher.cu`
- `flashinfer/decode.py`
- `flashinfer/prefill.py`
- `include/flashinfer/trtllm/fmha/fmhaRunnerParams.h`
- `include/flashinfer/trtllm/fmha/kernelParams.h`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2844`
