---
id: pr-flashinfer-1153
repo: flashinfer-ai/flashinfer
pr: 1153
title: 'feat: Fused temperature online softmax kernel'
author: xslingcn
date: '2025-06-24'
url: https://github.com/flashinfer-ai/flashinfer/pull/1153
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- tma
techniques:
- kernel-fusion
hardware_features:
- tma
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 9e81467d5489c980e47f9463dd17ffbfca4c4806
inclusion_reason: kernel file changes
changed_paths:
- csrc/flashinfer_ops.cu
- csrc/flashinfer_sampling_ops.cu
- csrc/sampling.cu
- flashinfer/__init__.py
- flashinfer/logits_processor/operators.py
- flashinfer/sampling.py
- include/flashinfer/sampling.cuh
- tests/test_sampling.py
head_ref_oid: c54cbf9c6ee8cf1f5b48bc3f39b919b55b82b707
artifact_dir: evidence/pull-bundles/flashinfer/gh-1153
---
# feat: Fused temperature online softmax kernel

- Repository: `flashinfer-ai/flashinfer`
- PR: [1153](https://github.com/flashinfer-ai/flashinfer/pull/1153)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/flashinfer_ops.cu`
- `csrc/flashinfer_sampling_ops.cu`
- `csrc/sampling.cu`
- `flashinfer/__init__.py`
- `flashinfer/logits_processor/operators.py`
- `flashinfer/sampling.py`
- `include/flashinfer/sampling.cuh`
- `tests/test_sampling.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1153`
