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Unified Diff: third_party/pkg/angular/perf/_perf.dart

Issue 1058283006: Update pubspecs and dependencies to get pkgbuild tests working. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 8 months ago
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Index: third_party/pkg/angular/perf/_perf.dart
diff --git a/third_party/pkg/angular/perf/_perf.dart b/third_party/pkg/angular/perf/_perf.dart
deleted file mode 100644
index aaa7437f4a4c44e5cbfa0ea629e65bd815ee0e20..0000000000000000000000000000000000000000
--- a/third_party/pkg/angular/perf/_perf.dart
+++ /dev/null
@@ -1,109 +0,0 @@
-library _perf;
-
-import 'package:intl/intl.dart';
-import 'dart:math';
-
-xtime(name, body) => null;
-time(name, body) {
- print('$name: => ${statMeasure(body)}');
-}
-
-statMeasure(body) {
- var list = [];
- var count = 100;
- for(var i = 0; i < count; i++) {
- list.add(measure(body));
- }
- list.sort((a, b) => (a.rate - b.rate).toInt());
- return new StatSample(list);
-}
-
-measure(b) {
- // actual test;
- var count = 0;
- var stopwatch = new Stopwatch();
- var targetTime = 50 * 1000;
- stopwatch.start();
- do {
- b();
- count++;
- } while(stopwatch.elapsedMicroseconds < targetTime);
-
- stopwatch.reset();
- if (count < 100) {
- for(var i = 0; i < count; i++) {
- b();
- }
- } else {
- var repeat = count ~/ 100;
- for(var i = 0; i < repeat; i++) {
- //0 1 2 3 4 5 6 7 8 9
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 0
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 1
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 2
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 3
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 4
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 5
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 6
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 7
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 8
- b(); b(); b(); b(); b(); b(); b(); b(); b(); b(); // 9
- }
- }
- stopwatch.stop();
- int elapsed = max(1, stopwatch.elapsedMicroseconds);
- return new Sample(count, elapsed);
-}
-
-main() {}
-
-class StatSample {
- num meanAll = 0;
- num varianceAll = 0;
- num mean = 0;
- num variance = 0;
-
- StatSample(l) {
- meanAll = l.fold(0, meanFoldFn) / l.length;
- varianceAll = computeVariance(l);
-
- var n = l.length;
- var lower = (n*.5).toInt();
- var upper = n - (n*.05).toInt();
- l = l.getRange(lower, upper).toList();
- mean = l.fold(0, meanFoldFn) / l.length;
- variance = computeVariance(l);
- }
-
- meanFoldFn(p, e) => p + e.rate;
- sumSqrsFn(p, e) => p + (mean-e.rate)*(mean-e.rate);
- sumDiffFn(p, e) => p + (mean-e.rate);
- get mean_ops_sec => mean * 1000000;
- computeVariance(l) {
- var n = l.length;
- var sumDiffs = l.fold(0, sumDiffFn);
- var sumSqrs = l.fold(0, sumSqrsFn);
-
- return (sumSqrs - sumDiffs*sumDiffs/n)/(n - 1);
- }
-
- toString() {
- var nf = new NumberFormat.decimalPattern()..maximumFractionDigits = 0;
- var nfp = new NumberFormat.decimalPattern()..maximumFractionDigits = 5;
-
- return '${nf.format(mean_ops_sec)} ops/sec ' +
- '(${nf.format(1 / mean)} us) ' +
- 'stdev(${nfp.format(sqrt(variance))})';
- }
-}
-
-class Sample {
- num count;
- num time_us;
-
- Sample(this.count, this.time_us);
-
- get rate => count / time_us;
-
- toString() => rate;
-}
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