From c70323a99e450c86ee32c6dfefe438fe17f5c2e1 Mon Sep 17 00:00:00 2001
From: Yu Leng <yuleng@microsoft.com>
Date: Wed, 5 Nov 2025 16:27:20 +0800
Subject: [PATCH] Perf improvement

---
 src/modules/imageresizer/ui/App.xaml.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/modules/imageresizer/ui/App.xaml.cs b/src/modules/imageresizer/ui/App.xaml.cs
index 446bb72830..784b650afa 100644
--- a/src/modules/imageresizer/ui/App.xaml.cs
+++ b/src/modules/imageresizer/ui/App.xaml.cs
@@ -6,6 +6,7 @@
 
 using System;
 using System.Globalization;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Windows;
 using ImageResizer.Models;
@@ -110,6 +111,12 @@ namespace ImageResizer
         {
             try
             {
+                // First check if the platform is ARM64 - AI Super Resolution only works on ARM64
+                if (RuntimeInformation.ProcessArchitecture != Architecture.Arm64)
+                {
+                    return AiAvailabilityState.NotSupported;
+                }
+
                 // Check Windows AI service model ready state
                 // it's so slow, why?
                 var readyState = Services.WinAiSuperResolutionService.GetModelReadyState();