Johnni Winther
34fb48bb8a
Migrates libraries dependent only on already migrated libraries. Change-Id: I0e85ee8dbc2afce031b92e0009e71c206a55af28 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179502 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Jens Johansen <jensj@google.com>
38 lines
1.1 KiB
Dart
38 lines
1.1 KiB
Dart
#!/usr/bin/env dart
|
|
// Copyright (c) 2016, 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.
|
|
|
|
// @dart = 2.9
|
|
|
|
import 'package:kernel/kernel.dart';
|
|
import 'dart:io';
|
|
|
|
/// Builds N copies of the AST for the given component.
|
|
/// Pass --print-metrics to the Dart VM to measure the memory use.
|
|
main(List<String> args) {
|
|
if (args.length == 0) {
|
|
print('USAGE: ast_membench FILE.dill NUM_COPIES');
|
|
exit(1);
|
|
}
|
|
String filename = args[0];
|
|
|
|
const int defaultCopyCount = 10;
|
|
int copyCount = args.length == 2 ? int.parse(args[1]) : defaultCopyCount;
|
|
List<Component> keepAlive = <Component>[];
|
|
for (int i = 0; i < copyCount; ++i) {
|
|
keepAlive.add(loadComponentFromBinary(filename));
|
|
}
|
|
|
|
print('$copyCount copies built');
|
|
|
|
if (args.contains('-v')) {
|
|
// Use of the list for something to avoid premature GC.
|
|
int size = 0;
|
|
for (var component in keepAlive) {
|
|
size += component.libraries.length;
|
|
}
|
|
print(size);
|
|
}
|
|
}
|