---
id: pr-vllm-33230
repo: vllm-project/vllm
pr: 33230
title: Add XPU MLA Sparse backend for DeepSeek v3.2
author: wuxun-zhang
date: '2026-03-11'
url: https://github.com/vllm-project/vllm/pull/33230
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: e584dce52b9584ffb0fc4a1a4cd31163d4257a41
inclusion_reason: defer
changed_paths:
- docs/design/attention_backends.md
- tests/kernels/attention/test_xpu_mla_sparse.py
- vllm/_xpu_ops.py
- vllm/model_executor/layers/sparse_attn_indexer.py
- vllm/platforms/xpu.py
- vllm/triton_utils/__init__.py
- vllm/v1/attention/backends/mla/xpu_mla_sparse.py
- vllm/v1/attention/backends/registry.py
- vllm/v1/attention/ops/xpu_mla_sparse.py
artifact_dir: evidence/pull-bundles/vllm/gh-33230
head_ref_oid: 661df2a403ba7bb7247724d79ae99b08c1ddfa7b
---
# Add XPU MLA Sparse backend for DeepSeek v3.2

- Repository: `vllm-project/vllm`
- PR: [33230](https://github.com/vllm-project/vllm/pull/33230)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `docs/design/attention_backends.md`
- `tests/kernels/attention/test_xpu_mla_sparse.py`
- `vllm/_xpu_ops.py`
- `vllm/model_executor/layers/sparse_attn_indexer.py`
- `vllm/platforms/xpu.py`
- `vllm/triton_utils/__init__.py`
- `vllm/v1/attention/backends/mla/xpu_mla_sparse.py`
- `vllm/v1/attention/backends/registry.py`
- `vllm/v1/attention/ops/xpu_mla_sparse.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33230`
