---
id: pr-sglang-20214
repo: sgl-project/sglang
pr: 20214
title: '[FlashInfer v0.6.6][RL] Support fp8-last-n-bf16 RL for `flashinfer_trtllm_routed` moe backend'
author: zianglih
date: '2026-03-22'
url: https://github.com/sgl-project/sglang/pull/20214
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: ce0541404fec75d3f15afac407c0a3e90c0546d5
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/moe/moe_runner/flashinfer_trtllm.py
- python/sglang/srt/layers/quantization/unquant.py
- python/sglang/srt/server_args.py
- test/registered/backends/test_flashinfer_trtllm_gen_moe_backend.py
- test/registered/rl/test_update_weights_from_disk_mxfp8.py
artifact_dir: evidence/pull-bundles/sglang/gh-20214
head_ref_oid: 57592c55c937722824169bbf48aeba07575de5e8
---
# [FlashInfer v0.6.6][RL] Support fp8-last-n-bf16 RL for `flashinfer_trtllm_routed` moe backend

- Repository: `sgl-project/sglang`
- PR: [20214](https://github.com/sgl-project/sglang/pull/20214)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/moe/moe_runner/flashinfer_trtllm.py`
- `python/sglang/srt/layers/quantization/unquant.py`
- `python/sglang/srt/server_args.py`
- `test/registered/backends/test_flashinfer_trtllm_gen_moe_backend.py`
- `test/registered/rl/test_update_weights_from_disk_mxfp8.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-20214`
