/
benchmark.dart
68 lines (59 loc) · 1.85 KB
/
benchmark.dart
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import 'dart:async';
import 'package:flutter_test/flutter_test.dart';
import 'package:getx_benchmark/notifiers/factories.dart';
import 'package:getx_benchmark/print_table.dart';
import 'package:getx_benchmark/testresult.dart';
const _benchmarkRuns = 200;
const _listenersToTest = [1, 2, 4, 8, 16];
const _updatesToTest = [10, 100, 1000, 10000];
Future<int> runBenchmark({
required ValueNotifierFactory creator,
required final int updates,
required final int listeners,
}) {
final c = Completer<int>();
final notifier = creator(0);
final timer = Stopwatch()..start();
for (var i = 0; i < listeners - 1; i++) {
notifier.addListener(() {});
}
notifier.addListener(() {
if (updates == notifier.value) {
timer.stop();
c.complete(timer.elapsedMicroseconds);
}
});
for (var i = 0; i <= updates; i++) {
notifier.value = i;
}
return c.future;
}
void main() {
setUpAll(() async {
for (final f in factories.entries) {
print("warmup ${f.key}");
await runBenchmark(creator: f.value, updates: 10000, listeners: 10);
}
});
test("benchmark", () async {
final results = [
for (var i = 0; i < _benchmarkRuns; i++)
for (final entry in factories.entries)
for (var listeners in _listenersToTest)
for (var updates in _updatesToTest)
TestResult(
listeners,
updates,
entry.key,
await runBenchmark(
creator: entry.value,
listeners: listeners,
updates: updates,
),
)
].calcAverages();
printTestResults(results, updatesToTest: _updatesToTest);
//delay to be sure the big table is printed before finishing so the table is printed as whole;
await Future.delayed(Duration(seconds: 5));
}, timeout: Timeout.none);
}