---
id: pr-flashinfer-2366
repo: flashinfer-ai/flashinfer
pr: 2366
title: Enable fp16/bf16/f32 support for selective_state_update (mamba)
author: ishovkun
date: '2026-01-19'
url: https://github.com/flashinfer-ai/flashinfer/pull/2366
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: c80d6797b5931d1751d2965a5bc2f954d23c73d0
inclusion_reason: kernel file changes
changed_paths:
- csrc/selective_state_update.cu
- include/flashinfer/mamba/selective_state_update.cuh
- tests/mamba/test_selective_state_update.py
head_ref_oid: 1938c5c8780b25360c16021aa0758937f19388d7
artifact_dir: evidence/pull-bundles/flashinfer/gh-2366
---
# Enable fp16/bf16/f32 support for selective_state_update (mamba)

- Repository: `flashinfer-ai/flashinfer`
- PR: [2366](https://github.com/flashinfer-ai/flashinfer/pull/2366)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/selective_state_update.cu`
- `include/flashinfer/mamba/selective_state_update.cuh`
- `tests/mamba/test_selective_state_update.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2366`
