blob: 298e94e13a460b1010443b228d90f94151ac257d [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/animation.dart';
import '../common.dart';
const int _kNumIters = 10000;
void _testCurve(Curve curve, {required String name, required String description, required BenchmarkResultPrinter printer}) {
final Stopwatch watch = Stopwatch();
print('$description benchmark...');
watch.start();
for (int i = 0; i < _kNumIters; i += 1) {
final double t = i / _kNumIters.toDouble();
curve.transform(t);
}
watch.stop();
printer.addResult(
description: description,
value: watch.elapsedMicroseconds / _kNumIters,
unit: '┬Ás per iteration',
name: name,
);
}
void main() {
assert(false, "Don't run benchmarks in debug mode! Use 'flutter run --release'.");
final BenchmarkResultPrinter printer = BenchmarkResultPrinter();
_testCurve(
const Cubic(0.0, 0.25, 0.5, 1.0),
name: 'cubic_animation_transform_iteration',
description: 'Cubic animation transform',
printer: printer,
);
final CatmullRomCurve catmullRomCurve = CatmullRomCurve(const <Offset>[
Offset(0.09, 0.99),
Offset(0.21, 0.01),
Offset(0.28, 0.99),
Offset(0.38, -0.00),
Offset(0.43, 0.99),
Offset(0.54, -0.01),
Offset(0.59, 0.98),
Offset(0.70, 0.04),
Offset(0.78, 0.98),
Offset(0.88, -0.00),
]);
_testCurve(
catmullRomCurve,
name: 'catmullrom_transform_iteration',
description: 'CatmullRomCurve animation transform',
printer: printer,
);
printer.printToStdout();
}