---
id: pr-vllm-14744
repo: vllm-project/vllm
pr: 14744
title: '[Kernel][CPU] CPU MLA'
author: gau-nernst
date: '2025-03-25'
url: https://github.com/vllm-project/vllm/pull/14744
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 4f044b1d67964e53587a4d0c7f00233a04b7be4e
inclusion_reason: kernel file changes
changed_paths:
- .buildkite/run-cpu-test.sh
- cmake/cpu_extension.cmake
- csrc/cpu/cache.cpp
- csrc/cpu/cpu_types_x86.hpp
- csrc/cpu/mla_decode.cpp
- csrc/cpu/torch_bindings.cpp
- tests/kernels/test_cache.py
- tests/kernels/test_mla_decode_cpu.py
- vllm/_custom_ops.py
- vllm/_ipex_ops.py
- vllm/attention/backends/cpu_mla.py
- vllm/attention/backends/mla/common.py
- vllm/platforms/cpu.py
- vllm/worker/cpu_model_runner.py
- vllm/worker/cpu_worker.py
head_ref_oid: e8706da951de27b9cbde5b9d1c653aceeb6449dc
artifact_dir: evidence/pull-bundles/vllm/gh-14744
---
# [Kernel][CPU] CPU MLA

- Repository: `vllm-project/vllm`
- PR: [14744](https://github.com/vllm-project/vllm/pull/14744)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.buildkite/run-cpu-test.sh`
- `cmake/cpu_extension.cmake`
- `csrc/cpu/cache.cpp`
- `csrc/cpu/cpu_types_x86.hpp`
- `csrc/cpu/mla_decode.cpp`
- `csrc/cpu/torch_bindings.cpp`
- `tests/kernels/test_cache.py`
- `tests/kernels/test_mla_decode_cpu.py`
- `vllm/_custom_ops.py`
- `vllm/_ipex_ops.py`
- `vllm/attention/backends/cpu_mla.py`
- `vllm/attention/backends/mla/common.py`
- `vllm/platforms/cpu.py`
- `vllm/worker/cpu_model_runner.py`
- `vllm/worker/cpu_worker.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-14744`
