---
id: pr-sglang-15904
repo: sgl-project/sglang
pr: 15904
title: '[NPU] NZ for non-quantized MOE, Qwen3 MOE double memory consumption fix'
author: OrangeRedeng
date: '2026-01-28'
url: https://github.com/sgl-project/sglang/pull/15904
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: b77b0ffd6021ef787c9ca7084731578c2f2f4687
inclusion_reason: kernel file changes
changed_paths:
- docs/platforms/ascend_npu_deepseek_example.md
- docs/platforms/ascend_npu_qwen3_examples.md
- python/sglang/srt/hardware_backend/npu/quantization/fused_moe_method_npu.py
- python/sglang/srt/layers/moe/ep_moe/layer.py
- python/sglang/srt/layers/quantization/unquant.py
- python/sglang/srt/models/qwen3_moe.py
- test/registered/ascend/test_ascend_memory_consumption.py
head_ref_oid: 57fb4a193194a31be8642d61cd216d0fc1a5bbda
artifact_dir: evidence/pull-bundles/sglang/gh-15904
---
# [NPU] NZ for non-quantized MOE, Qwen3 MOE double memory consumption fix

- Repository: `sgl-project/sglang`
- PR: [15904](https://github.com/sgl-project/sglang/pull/15904)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `docs/platforms/ascend_npu_deepseek_example.md`
- `docs/platforms/ascend_npu_qwen3_examples.md`
- `python/sglang/srt/hardware_backend/npu/quantization/fused_moe_method_npu.py`
- `python/sglang/srt/layers/moe/ep_moe/layer.py`
- `python/sglang/srt/layers/quantization/unquant.py`
- `python/sglang/srt/models/qwen3_moe.py`
- `test/registered/ascend/test_ascend_memory_consumption.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-15904`
