add a README

tests/ImageSharp.Benchmarks/LoadResizeSave/README.md

@@ -0,0 +1,7 @@
+The benchmarks have been adapted from the
+[PhotoSauce's MemoryStress project](https://github.com/saucecontrol/core-imaging-playground/tree/beeees/MemoryStress).  
+
+### Setup
+
+Download the [Bee Heads album](https://www.flickr.com/photos/usgsbiml/albums/72157633925491877) from the USGS Bee Inventory flickr
+  and extract to folder `<solution-dir>\tests\Images\ActualOutput\MemoryStress\`.

tests/ImageSharp.Tests.ProfilingSandbox/LoadResizeSaveParallelMemoryStress.cs

@@ -8,6 +8,7 @@ using SixLabors.ImageSharp.Benchmarks.LoadResizeSave;
 
 namespace SixLabors.ImageSharp.Tests.ProfilingSandbox
 {
+    // See ImageSharp.Benchmarks/LoadResizeSave/README.md
     internal class LoadResizeSaveParallelMemoryStress
     {
         private readonly LoadResizeSaveStressRunner benchmarks;

tests/ImageSharp.Tests.ProfilingSandbox/Program.cs

@@ -39,7 +39,7 @@ namespace SixLabors.ImageSharp.Tests.ProfilingSandbox
             // RunToVector4ProfilingTest();
             // RunResizeProfilingTest();
 
-            Console.ReadLine();
+            // Console.ReadLine();
         }
 
         private static void RunJpegEncoderProfilingTests()