---
id: pr-flashinfer-2726
repo: flashinfer-ai/flashinfer
pr: 2726
title: Added missing padding
author: nvjullin
date: '2026-03-12'
url: https://github.com/flashinfer-ai/flashinfer/pull/2726
source_category: upstream-code
architectures:
- sm100
tags:
- TMA
- attention_kv
- benchmark_test
- gemm_quant
- sampling
techniques:
- async-copy
- fine-grained-quantization
hardware_features:
- blackwell
- fp4
- tma
kernel_types:
- attention
- gemm
- sampling
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: f4d10d9a6b6aa37e99fc9a8acace2cfb19de124f
inclusion_reason: Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.
changed_paths:
- flashinfer/fp4_quantization.py
- tests/utils/test_fp4_quantize_padding.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-2726
head_ref_oid: d7033a255cac5f301aa89e4e536eca60bb1f424d
---
# Added missing padding

- Repository: `flashinfer-ai/flashinfer`
- PR: [2726](https://github.com/flashinfer-ai/flashinfer/pull/2726)
- Decision: `Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.`
- Reason: Inspect scale layout, accumulator type, tile/schedule choice, epilogue fusion, and partial-tile guards before deriving a candidate.

## Changed Paths

- `flashinfer/fp4_quantization.py`
- `tests/utils/test_fp4_quantize_padding.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2726`
