Old program for testing our image loading speed. We will want to

investigate the possibility in the future of uncompressing our images into
a local cache on the client and loading from there because it is about 10
times faster to load uncompressed images.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2089 542714f4-19e9-0310-aa3c-eee0fc999fb1

tests/src/java/com/threerings/media/ImageLoadingSpeed.java

@@ -0,0 +1,78 @@
+//
+// $Id: ImageLoadingSpeed.java,v 1.1 2002/12/23 20:32:28 mdb Exp $
+
+package com.threerings.media;
+
+import java.awt.Image;
+import java.io.*;
+import com.threerings.resource.ResourceManager;
+
+/**
+ * Tests our image loading speed.
+ */
+public class ImageLoadingSpeed
+{
+    public static void main (String[] args)
+    {
+        if (args.length < 1) {
+            System.err.println("Usage: ImageLoadingTest image [image ...]");
+            System.exit(-1);
+        }
+
+        ResourceManager rmgr = new ResourceManager("rsrc");
+        rmgr.initBundles(null, "config/resource/manager.properties", null);
+        ImageManager imgr = new ImageManager(rmgr, null);
+        long start = System.currentTimeMillis();
+
+//         // serialize our image
+//         try {
+//             FileOutputStream fout = new FileOutputStream("image.dat");
+//             ObjectOutputStream oout = new ObjectOutputStream(fout);
+//             oout.writeObject(image);
+//             oout.close();
+
+//         } catch (IOException ioe) {
+//             ioe.printStackTrace(System.err);
+//             System.exit(-1);
+//         }
+
+        for (int iter = 0; iter < IMAGE_LOAD_ITERS; iter++) {
+            String path = args[iter%args.length];
+            if (path.startsWith("rsrc/")) {
+                path = path.substring(5);
+            }
+            Image image = null;
+            try {
+                image = imgr.loadImage(path);
+            } catch (IOException ioe) {
+                ioe.printStackTrace(System.err);
+                System.exit(-1);
+            }
+        }
+
+//         try {
+//             FileInputStream fin = new FileInputStream("image.dat");
+//             BufferedInputStream bin = new BufferedInputStream(fin);
+//             ObjectInputStream oin = new ObjectInputStream(bin);
+//             image = (Image)oin.readObject();
+//             System.out.println(image);
+
+//         } catch (ClassNotFoundException cnfe) {
+//             cnfe.printStackTrace(System.err);
+//             System.exit(-1);
+
+//         } catch (IOException ioe) {
+//             ioe.printStackTrace(System.err);
+//             System.exit(-1);
+//         }
+        
+        long elapsed = System.currentTimeMillis() - start;
+
+        System.err.println("Loaded " + args.length + " images a total of " +
+                           IMAGE_LOAD_ITERS + " times in " + elapsed + "ms.");
+        System.err.println("An average of " + (elapsed/IMAGE_LOAD_ITERS) +
+                           "ms per image.");
+    }
+
+    protected static final int IMAGE_LOAD_ITERS = 100;
+}