---
id: pr-flashinfer-2048
repo: flashinfer-ai/flashinfer
pr: 2048
title: Fix dtype of output scales from mnnvl_moe_alltoallv_prepare_without_allgather
author: trevor-m
date: '2025-11-06'
url: https://github.com/flashinfer-ai/flashinfer/pull/2048
source_category: upstream-code
architectures:
- sm100
tags:
- moe
techniques: []
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: adb0e89fdee0a3140a43982bc3bef4e79ce20046
inclusion_reason: kernel file changes
changed_paths:
- csrc/trtllm_alltoall.cu
- flashinfer/comm/trtllm_alltoall.py
head_ref_oid: f55c35757462e086ca7f90db17c40f0e021dfaf5
artifact_dir: evidence/pull-bundles/flashinfer/gh-2048
---
# Fix dtype of output scales from mnnvl_moe_alltoallv_prepare_without_allgather

- Repository: `flashinfer-ai/flashinfer`
- PR: [2048](https://github.com/flashinfer-ai/flashinfer/pull/2048)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/trtllm_alltoall.cu`
- `flashinfer/comm/trtllm_alltoall.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2048`
