64 lines
1.6 KiB
Dart
64 lines
1.6 KiB
Dart
import 'package:benchmark_harness/benchmark_harness.dart';
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abstract class RateBenchmark extends BenchmarkBase {
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RateBenchmark(String name, {this.runLength = 5000})
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: super(name, emitter: RateEmitter()) {
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(emitter as RateEmitter).benchmark = this;
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}
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final int runLength;
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int _totalData = 0;
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int _iterations = 0;
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@override
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ScoreEmitter get emitter => super.emitter;
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void addSample(int processedData) {
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_totalData += processedData;
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}
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@override
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void exercise() {
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_totalData = 0;
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_iterations = 0;
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var watch = Stopwatch()..start();
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while (watch.elapsedMilliseconds < runLength) {
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run();
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_iterations++;
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}
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}
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}
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class RateEmitter implements ScoreEmitter {
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late RateBenchmark benchmark;
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int get totalData => benchmark._totalData;
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int get iterations => benchmark._iterations;
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@override
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void emit(String testName, double value) {
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final ms = value / 1000;
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final s = ms / 1000;
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final date = DateTime.now().toString().split('.')[0];
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print('| $date | '
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'$testName | '
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'${_formatDataLength(totalData / s)}/s | '
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'$iterations iterations | '
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'${ms.toInt()} ms | '
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'${_formatDataLength(totalData)} |');
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}
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String _formatDataLength(num dataLen) {
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if (dataLen < 1024) {
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return '${dataLen.toStringAsFixed(2)} B';
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} else if (dataLen < (1024 * 1024)) {
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return '${(dataLen / 1024).toStringAsFixed(2)} KB';
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} else if (dataLen < (1024 * 1024 * 1024)) {
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return '${(dataLen / (1024 * 1024)).toStringAsFixed(2)} MB';
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} else {
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return '${(dataLen / (1024 * 1024 * 1024)).toStringAsFixed(2)} GB';
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}
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}
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}
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