remove some unused dartdev benchmarks
Change-Id: I75118d2a18ae3bbea25647c9c59e3d4e4aaf809d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210502
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>
diff --git a/pkg/dartdev/benchmark/bench.dart b/pkg/dartdev/benchmark/bench.dart
deleted file mode 100644
index abfeaff..0000000
--- a/pkg/dartdev/benchmark/bench.dart
+++ /dev/null
@@ -1,253 +0,0 @@
-// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
-// 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 'dart:convert';
-import 'dart:io' as io;
-
-import 'package:args/args.dart';
-import 'package:meta/meta.dart';
-
-List<Benchmark> benchmarks = [
- DartStartup(),
- DartRunStartup(),
- SdkSize(),
-];
-
-void main(List<String> args) async {
- ArgParser argParser = _createArgParser();
-
- ArgResults argResults;
-
- try {
- argResults = argParser.parse(args);
- } on FormatException catch (e) {
- print(e.message);
- print('');
- printUsage(argParser, includeDescription: false);
- io.exit(1);
- }
-
- if (argResults['help'] || argResults.arguments.isEmpty) {
- printUsage(argParser);
- io.exit(0);
- }
-
- if (!argResults.wasParsed('dart-sdk')) {
- print('No value passed for `dart-sdk`.');
- print('');
- printUsage(argParser);
- io.exit(1);
- }
-
- if (!argResults.wasParsed('run')) {
- print('No value passed for `run`.');
- print('');
- printUsage(argParser);
- io.exit(1);
- }
-
- Context context = Context(argResults['dart-sdk']);
-
- String benchmarkName = argResults['run'];
- Benchmark benchmark = benchmarks.singleWhere((b) => b.id == benchmarkName);
-
- BenchmarkResult result = await benchmark.run(context);
- print(result.toJson());
- io.exit(0);
-}
-
-void printUsage(ArgParser argParser, {bool includeDescription = true}) {
- print('usage: dart bin/bench.dart <options>');
- print('');
- if (includeDescription) {
- print('Run benchmarks for the dartdev tool.');
- print('');
- }
- print('Options:');
- print(argParser.usage);
-}
-
-ArgParser _createArgParser() {
- ArgParser argParser = ArgParser(usageLineLength: io.stdout.terminalColumns);
- argParser.addFlag(
- 'help',
- abbr: 'h',
- negatable: false,
- help: 'Print this usage information.',
- );
- argParser.addOption(
- 'dart-sdk',
- valueHelp: 'sdk path',
- help: 'The path to the Dart SDK to use for benchmarking.',
- );
- argParser.addOption(
- 'run',
- valueHelp: 'benchmark',
- allowed: benchmarks.map((b) => b.id).toList(),
- allowedHelp: {
- for (var benchmark in benchmarks) benchmark.id: benchmark.description,
- },
- help: 'The benchmark to run.',
- );
- return argParser;
-}
-
-abstract class Benchmark {
- final String id;
- final String description;
-
- Benchmark(this.id, this.description);
-
- Future<BenchmarkResult> run(Context context);
-}
-
-class DartStartup extends Benchmark {
- DartStartup()
- : super(
- 'script-startup',
- 'Benchmark the startup time of a minimal Dart script (μs).',
- );
-
- @override
- Future<BenchmarkResult> run(Context context) async {
- // setup
- io.Directory dir = io.Directory.systemTemp.createTempSync('dartdev');
- io.File file = io.File('${dir.path}/hello.dart');
- file.writeAsStringSync('void main() => print(\'hello\');');
-
- // perform the benchmark
- Stopwatch timer = Stopwatch()..start();
- io.Process.runSync(
- '${context.sdkPath}/bin/dart',
- [file.absolute.path],
- );
- timer.stop();
-
- // cleanup
- dir.deleteSync(recursive: true);
-
- // report the result
- int micros = timer.elapsedMicroseconds;
- return BenchmarkResult(
- id: id,
- value: micros,
- units: 'microseconds',
- userDescription: '${(micros / 1000.0).toStringAsFixed(2)}ms',
- );
- }
-}
-
-class DartRunStartup extends Benchmark {
- DartRunStartup()
- : super(
- 'run-script-startup',
- 'Benchmark the startup time of a minimal Dart script, executed with '
- '`dart run` (μs).',
- );
-
- @override
- Future<BenchmarkResult> run(Context context) async {
- // setup
- io.Directory dir = io.Directory.systemTemp.createTempSync('dartdev');
- io.File file = io.File('${dir.path}/hello.dart');
- file.writeAsStringSync('void main() => print(\'hello\');');
-
- // perform the benchmark
- Stopwatch timer = Stopwatch()..start();
- io.Process.runSync(
- '${context.sdkPath}/bin/dart',
- ['run', file.absolute.path],
- );
- timer.stop();
-
- // cleanup
- dir.deleteSync(recursive: true);
-
- // report the result
- int micros = timer.elapsedMicroseconds;
- return BenchmarkResult(
- id: id,
- value: micros,
- units: 'microseconds',
- userDescription: '${(micros / 1000.0).toStringAsFixed(2)}ms',
- );
- }
-}
-
-class SdkSize extends Benchmark {
- SdkSize()
- : super(
- 'sdk-size',
- 'Benchmark the compressed size of the Dart SDK (bytes).',
- );
-
- @override
- Future<BenchmarkResult> run(Context context) async {
- // setup
- io.Directory tempDir = io.Directory.systemTemp.createTempSync('dartdev');
-
- // perform the benchmark
- io.File sdkArchive = compress(io.Directory(context.sdkPath), tempDir);
- int bytes = sdkArchive.lengthSync();
-
- // cleanup
- tempDir.deleteSync(recursive: true);
-
- // report the result
- return BenchmarkResult(
- id: id,
- value: bytes,
- units: 'bytes',
- userDescription: '${(bytes / (1024.0 * 1024.0)).toStringAsFixed(1)}MB',
- );
- }
-
- io.File compress(io.Directory sourceDir, io.Directory targetDir) {
- String name = sourceDir.path.substring(sourceDir.path.lastIndexOf('/') + 1);
- io.File outFile = io.File('${targetDir.absolute.path}/$name.zip');
-
- if (io.Platform.isMacOS || io.Platform.isLinux) {
- io.Process.runSync('zip', [
- '-r',
- '-9', // optimized for compressed size
- outFile.absolute.path,
- sourceDir.absolute.path,
- ]);
- } else {
- throw Exception('platform not supported: ${io.Platform.operatingSystem}');
- }
-
- return outFile;
- }
-}
-
-class Context {
- final String sdkPath;
-
- Context(this.sdkPath);
-}
-
-class BenchmarkResult {
- final String id;
- final int value;
- final String units;
- final String userDescription;
-
- BenchmarkResult({
- @required this.id,
- @required this.value,
- @required this.units,
- @required this.userDescription,
- });
-
- String toJson() {
- Map m = {
- 'id': id,
- 'value': value,
- 'units': units,
- 'userDescription': userDescription,
- };
- return JsonEncoder.withIndent(' ').convert(m);
- }
-}
