---
id: pr-flashinfer-2926
repo: flashinfer-ai/flashinfer
pr: 2926
title: 'feat: add Relu2 (squared ReLU) activation support in CUTLASS MoE backend'
author: askliar
date: '2026-04-01'
url: https://github.com/flashinfer-ai/flashinfer/pull/2926
source_category: upstream-code
architectures:
- sm100
tags:
- epilogue-fusion
- gemm
- moe
techniques:
- epilogue-fusion
hardware_features: []
kernel_types:
- gemm
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: d47f3275df5b2058151b802124c892598bb1232c
inclusion_reason: kernel file changes
changed_paths:
- csrc/nv_internal/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/epilogue_helpers.h
- csrc/nv_internal/tensorrt_llm/kernels/cutlass_kernels/moe_gemm/moe_gemm_template_dispatch.h
head_ref_oid: bdf385b11c6a36a24f11048c0a11967ddd335b14
artifact_dir: evidence/pull-bundles/flashinfer/gh-2926
---
# feat: add Relu2 (squared ReLU) activation support in CUTLASS MoE backend

- Repository: `flashinfer-ai/flashinfer`
- PR: [2926](https://github.com/flashinfer-ai/flashinfer/pull/2926)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/nv_internal/tensorrt_llm/cutlass_extensions/include/cutlass_extensions/epilogue_helpers.h`
- `csrc/nv_internal/tensorrt_llm/kernels/cutlass_kernels/moe_gemm/moe_gemm_template_dispatch.h`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2926`
