---
id: pr-flashinfer-2574
repo: flashinfer-ai/flashinfer
pr: 2574
title: 'feat: add is_sm12x_supported() helper for SM12x family detection'
author: blake-snc
date: '2026-02-25'
url: https://github.com/flashinfer-ai/flashinfer/pull/2574
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- flash-attention
- gemm
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- flash-attention
- gemm
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 17770f5c7c27b531c04139e7688d439e949a0d8a
inclusion_reason: kernel file changes
changed_paths:
- flashinfer/gemm/gemm_base.py
- flashinfer/prefill.py
- flashinfer/utils.py
- tests/attention/test_fmha_v2_prefill_deepseek.py
head_ref_oid: 752fc7a296fca49cb959892ee31a255f039b5d74
artifact_dir: evidence/pull-bundles/flashinfer/gh-2574
---
# feat: add is_sm12x_supported() helper for SM12x family detection

- Repository: `flashinfer-ai/flashinfer`
- PR: [2574](https://github.com/flashinfer-ai/flashinfer/pull/2574)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `flashinfer/gemm/gemm_base.py`
- `flashinfer/prefill.py`
- `flashinfer/utils.py`
- `tests/attention/test_fmha_v2_prefill_deepseek.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2574`
