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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 library dart2js.stress; | 5 library dart2js.stress; |
| 6 |
| 6 import "dart2js.dart" as dart2js; | 7 import "dart2js.dart" as dart2js; |
| 7 | 8 |
| 8 const ITERATIONS_FLAG_PREFIX = "--iterations="; | 9 const ITERATIONS_FLAG_PREFIX = "--iterations="; |
| 9 void main(List<String> args) { | 10 void main(List<String> args) { |
| 10 Stopwatch sw = new Stopwatch(); | 11 Stopwatch sw = new Stopwatch(); |
| 11 int count = 0; | 12 int count = 0; |
| 12 int maxCount = null; | 13 int maxCount = null; |
| 13 if (args.isNotEmpty && args[0].startsWith(ITERATIONS_FLAG_PREFIX)) { | 14 if (args.isNotEmpty && args[0].startsWith(ITERATIONS_FLAG_PREFIX)) { |
| 14 maxCount = int.parse(args[0].substring(ITERATIONS_FLAG_PREFIX.length)); | 15 maxCount = int.parse(args[0].substring(ITERATIONS_FLAG_PREFIX.length)); |
| 15 args = args.sublist(1); | 16 args = args.sublist(1); |
| 16 } | 17 } |
| 17 if (maxCount == null) { | 18 if (maxCount == null) { |
| 18 print("Running indefinitely.\n" | 19 print("Running indefinitely.\n" |
| 19 "Use '$ITERATIONS_FLAG_PREFIX<count>' to set a repetition count" | 20 "Use '$ITERATIONS_FLAG_PREFIX<count>' to set a repetition count" |
| 20 " (as first flag)."); | 21 " (as first flag)."); |
| 21 } | 22 } |
| 22 args = ["--suppress-warnings", "--suppress-hints"]..addAll(args); | 23 args = ["--suppress-warnings", "--suppress-hints"]..addAll(args); |
| 23 void iterate() { | 24 void iterate() { |
| 24 count++; | 25 count++; |
| 25 sw.reset(); | 26 sw.reset(); |
| 26 sw.start(); | 27 sw.start(); |
| 27 dart2js.internalMain(args) | 28 dart2js.internalMain(args).then((_) { |
| 28 .then((_) { | 29 print("$count: ${sw.elapsedMilliseconds}ms"); |
| 29 print("$count: ${sw.elapsedMilliseconds}ms"); | 30 }).then((_) { |
| 30 }) | 31 if (maxCount == null || count < maxCount) { |
| 31 .then((_) { | 32 iterate(); |
| 32 if (maxCount == null || count < maxCount) { | 33 } |
| 33 iterate(); | 34 }); |
| 34 } | |
| 35 }); | |
| 36 } | 35 } |
| 37 iterate(); | 36 iterate(); |
| 38 } | 37 } |
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