Reduce example benchmark run count

100 is excessive, and especially when testing web, it
can be frustrating. If CORS prevents loading WASM, it is
about 500 ms for L6 V2 and 1000 ms for L6 V3, each. It is
unreasonable to wait 1m40s for a benchmark.

example/lib/minilml6v2_widget.dart

@@ -100,7 +100,7 @@ class _MiniLmL6V2WidgetState extends State<MiniLmL6V2Widget> {
     debugPrint('Loaded model');
     // Warm up. This is not necessary, but it's nice to do. Only the first call
     // to a model is slow.
-    for (var i = 0; i < 10; i++) {
+    for (var i = 0; i < 5; i++) {
       await model.getEmbeddingAsVector(
         textAndTokens[i % textAndTokens.length].tokens,
       );
@@ -109,7 +109,7 @@ class _MiniLmL6V2WidgetState extends State<MiniLmL6V2Widget> {
 
     final stopwatch = Stopwatch()..start();
     var completed = 0;
-    while (completed < 100) {
+    while (completed < 20) {
       await model.getEmbeddingAsVector(
           textAndTokens[completed % textAndTokens.length].tokens);
       completed++;

example/lib/msmarco_minilm_l6v3_widget.dart

@@ -102,7 +102,7 @@ class _MsmarcoMiniLmL6V3WidgetState extends State<MsmarcoMiniLmL6V3Widget> {
     debugPrint('Loaded model');
     // Warm up. This is not necessary, but it's nice to do. Only the first call
     // to a model is slow.
-    for (var i = 0; i < 10; i++) {
+    for (var i = 0; i < 5; i++) {
       await model.getEmbeddingAsVector(
         textAndTokens[i % textAndTokens.length].tokens,
       );
@@ -111,7 +111,7 @@ class _MsmarcoMiniLmL6V3WidgetState extends State<MsmarcoMiniLmL6V3Widget> {
 
     final stopwatch = Stopwatch()..start();
     var completed = 0;
-    while (completed < 100) {
+    while (completed < 20) {
       await model.getEmbeddingAsVector(
           textAndTokens[completed % textAndTokens.length].tokens);
       completed++;
@@ -120,7 +120,7 @@ class _MsmarcoMiniLmL6V3WidgetState extends State<MsmarcoMiniLmL6V3Widget> {
     final elapsed = stopwatch.elapsedMilliseconds;
     final speed = (elapsed / completed.toDouble()).round();
     setState(() {
-      _speedTestResult = '$speed ms for 400 words';
+      _speedTestResult = '$speed ms for 200 words';
     });
   }
 }