---
id: pr-flashinfer-1961
repo: flashinfer-ai/flashinfer
pr: 1961
title: 'Fix: Verify scales are not None for Cutlass FP8 FusedMoE'
author: amirkl94
date: '2025-10-27'
url: https://github.com/flashinfer-ai/flashinfer/pull/1961
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 99657eda71f2b1a6243dafedaf7998a937f802c7
inclusion_reason: kernel file changes
changed_paths:
- csrc/fused_moe/cutlass_backend/flashinfer_cutlass_fused_moe_sm100_binding.cu
head_ref_oid: dd1864ba065bb9796e61442aae2b317eff50380c
artifact_dir: evidence/pull-bundles/flashinfer/gh-1961
---
# Fix: Verify scales are not None for Cutlass FP8 FusedMoE

- Repository: `flashinfer-ai/flashinfer`
- PR: [1961](https://github.com/flashinfer-ai/flashinfer/pull/1961)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/fused_moe/cutlass_backend/flashinfer_cutlass_fused_moe_sm100_binding.cu`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1961`
