OLD | NEW |
1 // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2017, 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 /// An entrypoint used to run portions of fasta and measure its performance. | 5 /// An entrypoint used to run portions of fasta and measure its performance. |
6 library front_end.tool.fasta_perf; | 6 library front_end.tool.fasta_perf; |
7 | 7 |
8 import 'dart:async'; | 8 import 'dart:async'; |
9 import 'dart:io'; | 9 import 'dart:io'; |
10 | 10 |
(...skipping 185 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
196 parser.parseUnit(tokens); | 196 parser.parseUnit(tokens); |
197 } | 197 } |
198 | 198 |
199 // Note: AstBuilder doesn't build compilation-units or classes, only method | 199 // Note: AstBuilder doesn't build compilation-units or classes, only method |
200 // bodies. So this listener is not feature complete. | 200 // bodies. So this listener is not feature complete. |
201 class _PartialAstBuilder extends AstBuilder { | 201 class _PartialAstBuilder extends AstBuilder { |
202 _PartialAstBuilder(Uri uri) : super(null, null, null, null, null, true, uri); | 202 _PartialAstBuilder(Uri uri) : super(null, null, null, null, null, true, uri); |
203 | 203 |
204 // Note: this method converts the body to kernel, so we skip that here. | 204 // Note: this method converts the body to kernel, so we skip that here. |
205 @override | 205 @override |
206 finishFunction(formals, asyncModifier, body) {} | 206 finishFunction(annotations, formals, asyncModifier, body) {} |
207 } | 207 } |
208 | 208 |
209 // Invoke the fasta kernel generator for the program starting in [entryUri] | 209 // Invoke the fasta kernel generator for the program starting in [entryUri] |
210 // TODO(sigmund): update to use the frontend api once fasta is being hit. | 210 // TODO(sigmund): update to use the frontend api once fasta is being hit. |
211 generateKernel(Uri entryUri, | 211 generateKernel(Uri entryUri, |
212 {bool compileSdk: true, bool strongMode: false}) async { | 212 {bool compileSdk: true, bool strongMode: false}) async { |
213 // TODO(sigmund): this is here only to compute the input size, | 213 // TODO(sigmund): this is here only to compute the input size, |
214 // we should extract the input size from the frontend instead. | 214 // we should extract the input size from the frontend instead. |
215 scanReachableFiles(entryUri); | 215 scanReachableFiles(entryUri); |
216 | 216 |
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
256 /// Report that metric [name] took [time] micro-seconds to process | 256 /// Report that metric [name] took [time] micro-seconds to process |
257 /// [inputSize] characters. | 257 /// [inputSize] characters. |
258 void report(String name, int time) { | 258 void report(String name, int time) { |
259 var sb = new StringBuffer(); | 259 var sb = new StringBuffer(); |
260 var padding = ' ' * (20 - name.length); | 260 var padding = ' ' * (20 - name.length); |
261 sb.write('$name:$padding $time us, ${time ~/ 1000} ms'); | 261 sb.write('$name:$padding $time us, ${time ~/ 1000} ms'); |
262 var invSpeed = (time * 1000 / inputSize).toStringAsFixed(2); | 262 var invSpeed = (time * 1000 / inputSize).toStringAsFixed(2); |
263 sb.write(', $invSpeed ns/char'); | 263 sb.write(', $invSpeed ns/char'); |
264 print('$sb'); | 264 print('$sb'); |
265 } | 265 } |
OLD | NEW |