---
id: pr-flashinfer-2328
repo: flashinfer-ai/flashinfer
pr: 2328
title: 'fix: guard batchWarpReduceSum with ENABLE_FP8 to fix compilation without FP8'
author: yzh119
date: '2026-01-13'
url: https://github.com/flashinfer-ai/flashinfer/pull/2328
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
techniques: []
hardware_features:
- fp8
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 09d0c7f50fbdc01bd5b2d94ef1f1672910df712e
inclusion_reason: kernel file changes
changed_paths:
- csrc/nv_internal/tensorrt_llm/common/reduceKernelUtils.cuh
- include/flashinfer/trtllm/common/reduceKernelUtils.cuh
- tests/utils/test_norm.py
head_ref_oid: f694301dca0d99faff79c165dc6a6f114ad842fd
artifact_dir: evidence/pull-bundles/flashinfer/gh-2328
---
# fix: guard batchWarpReduceSum with ENABLE_FP8 to fix compilation without FP8

- Repository: `flashinfer-ai/flashinfer`
- PR: [2328](https://github.com/flashinfer-ai/flashinfer/pull/2328)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/nv_internal/tensorrt_llm/common/reduceKernelUtils.cuh`
- `include/flashinfer/trtllm/common/reduceKernelUtils.cuh`
- `tests/utils/test_norm.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2328`
