---
id: pr-flashinfer-1601
repo: flashinfer-ai/flashinfer
pr: 1601
title: 'feat: Enable MnnvlMemory (for alltoallv) on B200'
author: trevor-m
date: '2025-08-28'
url: https://github.com/flashinfer-ai/flashinfer/pull/1601
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fb73052a8d38fbc7ea8a38ef3b56f156ceff535c
inclusion_reason: semantic match with file changes
changed_paths:
- flashinfer/comm/mnnvl.py
head_ref_oid: 6aad71ca9ec0c0a2d345d35052339038708c15ab
artifact_dir: evidence/pull-bundles/flashinfer/gh-1601
---
# feat: Enable MnnvlMemory (for alltoallv) on B200

- Repository: `flashinfer-ai/flashinfer`
- PR: [1601](https://github.com/flashinfer-ai/flashinfer/pull/1601)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `flashinfer/comm/mnnvl.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1601`
