---
id: pr-flashinfer-2301
repo: flashinfer-ai/flashinfer
pr: 2301
title: Selective State Update kernel (mamba)
author: ishovkun
date: '2026-01-13'
url: https://github.com/flashinfer-ai/flashinfer/pull/2301
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: e6d3d82226c98afe63506a508bf57271306cc559
inclusion_reason: kernel file changes
changed_paths:
- csrc/flashinfer_mamba_binding.cu
- csrc/selective_state_update.cu
- flashinfer/__init__.py
- flashinfer/aot.py
- flashinfer/jit/mamba/__init__.py
- flashinfer/jit/mamba/selective_state_update.py
- flashinfer/mamba/__init__.py
- flashinfer/mamba/selective_state_update.py
- include/flashinfer/mamba/conversion.cuh
- include/flashinfer/mamba/create_tensor_map.cuh
- include/flashinfer/mamba/selective_state_update.cuh
- tests/mamba/__init__.py
- tests/mamba/selective_state_update_triton.py
- tests/mamba/test_selective_state_update.py
head_ref_oid: d99923c231cb95f04843b12acfde8267523216c8
artifact_dir: evidence/pull-bundles/flashinfer/gh-2301
---
# Selective State Update kernel (mamba)

- Repository: `flashinfer-ai/flashinfer`
- PR: [2301](https://github.com/flashinfer-ai/flashinfer/pull/2301)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/flashinfer_mamba_binding.cu`
- `csrc/selective_state_update.cu`
- `flashinfer/__init__.py`
- `flashinfer/aot.py`
- `flashinfer/jit/mamba/__init__.py`
- `flashinfer/jit/mamba/selective_state_update.py`
- `flashinfer/mamba/__init__.py`
- `flashinfer/mamba/selective_state_update.py`
- `include/flashinfer/mamba/conversion.cuh`
- `include/flashinfer/mamba/create_tensor_map.cuh`
- `include/flashinfer/mamba/selective_state_update.cuh`
- `tests/mamba/__init__.py`
- `tests/mamba/selective_state_update_triton.py`
- `tests/mamba/test_selective_state_update.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2301`
