Merge pull request #102199 from yungshinlintw/doc_update

Add AVX2 requiriement

Author: PRMerger15

articles/cognitive-services/Computer-vision/computer-vision-how-to-install-containers.md

@@ -9,7 +9,7 @@ ms.service: cognitive-services
 ms.subservice: computer-vision
 ms.topic: conceptual
 ms.date: 11/21/2019
-ms.author: dapine
+ms.author: pafarley
 ms.custom: seodec18
 ---
 
@@ -41,6 +41,16 @@ You must meet the following prerequisites before using the containers:
 
 [!INCLUDE [Host Computer requirements](../../../includes/cognitive-services-containers-host-computer.md)]
 
+### Advanced Vector Extension support
+
+The **host** computer is the computer that runs the docker container. The host *must support* [Advanced Vector Extensions](https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#CPUs_with_AVX2) (AVX2). You can check for AVX2 support on Linux hosts with the following command:
+
+```console
+grep -q avx2 /proc/cpuinfo && echo AVX2 supported || echo No AVX2 support detected
+```
+> [!WARNING]
+> The host computer is *required* to support AVX2. The container *will not* function correctly without AVX2 support.
+
 ### Container requirements and recommendations
 
 [!INCLUDE [Container requirements and recommendations](includes/container-requirements-and-recommendations.md)]