From f57092c00b53d6da887f2b8071af332d42ccb6d4 Mon Sep 17 00:00:00 2001
From: Isotr0py <2037008807@qq.com>
Date: Sat, 14 Sep 2024 02:06:30 +0800
Subject: [PATCH] [Doc] Add oneDNN installation to CPU backend documentation
 (#8467)

---
 docs/source/getting_started/cpu-installation.rst | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/docs/source/getting_started/cpu-installation.rst b/docs/source/getting_started/cpu-installation.rst
index 7fc469e06844f..816e0a29ef28b 100644
--- a/docs/source/getting_started/cpu-installation.rst
+++ b/docs/source/getting_started/cpu-installation.rst
@@ -59,6 +59,20 @@ Build from source
     $ pip install wheel packaging ninja "setuptools>=49.4.0" numpy
     $ pip install -v -r requirements-cpu.txt --extra-index-url https://download.pytorch.org/whl/cpu
 
+- Third, build and install oneDNN library from source:
+
+.. code-block:: console
+
+    $ git clone -b rls-v3.5 https://github.com/oneapi-src/oneDNN.git
+    $ cmake -B ./oneDNN/build -S ./oneDNN -G Ninja -DONEDNN_LIBRARY_TYPE=STATIC \ 
+        -DONEDNN_BUILD_DOC=OFF \ 
+        -DONEDNN_BUILD_EXAMPLES=OFF \ 
+        -DONEDNN_BUILD_TESTS=OFF \ 
+        -DONEDNN_BUILD_GRAPH=OFF \ 
+        -DONEDNN_ENABLE_WORKLOAD=INFERENCE \ 
+        -DONEDNN_ENABLE_PRIMITIVE=MATMUL
+    $ cmake --build ./oneDNN/build --target install --config Release
+
 - Finally, build and install vLLM CPU backend: 
 
 .. code-block:: console