Index: packages/path/benchmark/benchmark.dart |
diff --git a/packages/path/benchmark/benchmark.dart b/packages/path/benchmark/benchmark.dart |
index 4285e653e85191507101a6b290d37b54c7a10283..183b921c207eeded02398c724e1b62c45846d709 100644 |
--- a/packages/path/benchmark/benchmark.dart |
+++ b/packages/path/benchmark/benchmark.dart |
@@ -2,64 +2,59 @@ |
// for details. All rights reserved. Use of this source code is governed by a |
// BSD-style license that can be found in the LICENSE file. |
-import '../lib/path.dart' as path; |
+import 'package:path/path.dart' as p; |
-void runBenchmark(String name, Function func, List files) { |
- // Warmup. |
- for (int i = 0; i < 10000; i++) { |
- for (var p in files) { |
- func(p); |
- } |
- } |
- var count = 100000; |
- var sw = new Stopwatch()..start(); |
- for (int i = 0; i < count; i++) { |
- for (var p in files) { |
- func(p); |
- } |
- } |
- print("$name: ${count / sw.elapsedMicroseconds} iter/us (${sw.elapsed})"); |
-} |
+/// Some hopefully real-world representative platform-independent paths. |
+const genericPaths = const [ |
+ '.', |
+ '..', |
+ 'out/ReleaseIA32/packages', |
+ 'lib', |
+ 'lib/src/', |
+ 'lib/src/style/url.dart', |
+ 'test/./not/.././normalized', |
+ 'benchmark/really/long/path/with/many/components.dart', |
+]; |
-void runBenchmarkTwoArgs(String name, Function func, List files) { |
- // Warmup. |
- for (int i = 0; i < 1000; i++) { |
- for (var file1 in files) { |
- for (var file2 in files) { |
- func(file1, file2); |
- } |
- } |
- } |
+/// Some platform-specific paths. |
+final platformPaths = { |
+ p.Style.posix: [ |
+ '/', |
+ '/home/user/dart/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart', |
+ ], |
+ p.Style.url: ['https://example.server.org/443643002/path?top=yes#fragment',], |
+ p.Style.windows: [ |
+ r'C:\User\me\', |
+ r'\\server\share\my\folders\some\file.data', |
+ ], |
+}; |
- var count = 10000; |
- var sw = new Stopwatch()..start(); |
- for (int i = 0; i < count; i++) { |
- for (var file1 in files) { |
- for (var file2 in files) { |
- func(file1, file2); |
- } |
- } |
- } |
- print("$name: ${count / sw.elapsedMicroseconds} iter/us (${sw.elapsed})"); |
-} |
+/// The command line arguments passed to this script. |
+List<String> arguments; |
-main(args) { |
- for (var style in [path.Style.posix, path.Style.url, path.Style.windows]) { |
- var context = new path.Context(style: style); |
- var files = COMMON_PATHS.toList()..addAll(STYLE_PATHS[style]); |
+void main(List<String> args) { |
+ arguments = args; |
- benchmark(name, func) { |
- name = style.name + '-' + name; |
- if (args.isEmpty || args.any((arg) => name.contains(arg))) { |
- runBenchmark(name, func, files); |
- } |
+ for (var style in [p.Style.posix, p.Style.url, p.Style.windows]) { |
+ var context = new p.Context(style: style); |
+ var files = genericPaths.toList()..addAll(platformPaths[style]); |
+ |
+ benchmark(name, function) { |
+ runBenchmark("${style.name}-$name", 100000, () { |
+ for (var file in files) { |
+ function(file); |
+ } |
+ }); |
} |
- benchmarkTwoArgs(name, func) { |
- name = style.name + '-' + name + '-two'; |
- if (args.isEmpty || args.any((arg) => name.contains(arg))) { |
- runBenchmarkTwoArgs(name, func, files); |
- } |
+ benchmarkPairs(name, function) { |
+ runBenchmark("${style.name}-$name", 1000, () { |
+ for (var file1 in files) { |
+ for (var file2 in files) { |
+ function(file1, file2); |
+ } |
+ } |
+ }); |
} |
benchmark('absolute', context.absolute); |
@@ -73,28 +68,37 @@ main(args) { |
benchmark('isRootRelative', context.isRootRelative); |
benchmark('normalize', context.normalize); |
benchmark('relative', context.relative); |
- benchmarkTwoArgs('relative', context.relative); |
+ benchmarkPairs('relative from', (file, from) { |
+ try { |
+ return context.relative(file, from: from); |
+ } on p.PathException { |
+ // Do nothing. |
+ } |
+ }); |
benchmark('toUri', context.toUri); |
benchmark('prettyUri', context.prettyUri); |
- benchmarkTwoArgs('isWithin', context.isWithin); |
+ benchmarkPairs('isWithin', context.isWithin); |
} |
- if (args.isEmpty || args.any((arg) => arg == 'current')) { |
- runBenchmark('current', (_) => path.current, [null]); |
- } |
+ runBenchmark('current', 100000, () => p.current); |
} |
-const COMMON_PATHS = const ['.', '..', 'out/ReleaseIA32/packages']; |
+void runBenchmark(String name, int count, Function function) { |
+ // If names are passed on the command-line, they select which benchmarks are |
+ // run. |
+ if (arguments.isNotEmpty && !arguments.contains(name)) return; |
-final STYLE_PATHS = { |
- path.Style.posix: [ |
- '/home/user/dart/sdk/lib/indexed_db/dart2js/indexed_db_dart2js.dart', |
- ], |
- path.Style.url: [ |
- 'https://example.server.org/443643002/path?top=yes#fragment', |
- ], |
- path.Style.windows: [ |
- r'C:\User\me\', |
- r'\\server\share\my\folders\some\file.data', |
- ], |
-}; |
+ // Warmup. |
+ for (var i = 0; i < 10000; i++) { |
+ function(); |
+ } |
+ |
+ var stopwatch = new Stopwatch()..start(); |
+ for (var i = 0; i < count; i++) { |
+ function(); |
+ } |
+ |
+ var rate = |
+ (count / stopwatch.elapsedMicroseconds).toStringAsFixed(5).padLeft(9); |
+ print("${name.padLeft(32)}: $rate iter/us (${stopwatch.elapsed})"); |
+} |