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// Copyright (c) 2021, 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.
import 'dart:async';
import 'dart:convert';
import 'dart:isolate';
// (Same data as used in our other Json* benchmarks)
final data = '{"summary":{"turnover":0.3736,"correlation2":0.'
'7147,"concentration":0.3652,"beta":0.8814,"totalValue":1.3'
'091078259E8,"correlation":0.7217},"watchlist":[],"shortCash'
'":-1611000,"holdings":[{"type":"LONG","commission":1040'
',"cost":9001920,"quantity":26000,"lots":[{"marketCap":"'
'L","industry":"TECHNOLOGY","style":"G","buyDate":"20'
'08-10-08 13:44:20.000","quantity":8000},{"marketCap":"L",'
'"industry":"TECHNOLOGY","style":"G","buyDate":"2008-1'
'0-15 13:28:02.000","quantity":18000}],"stock":"GOOG"},{"'
'type":"LONG","commission":8000,"cost":4672000,"quantity'
'":200000,"lots":[{"marketCap":"L","industry":"TECHNOLO'
'GY","style":"G","buyDate":"2008-10-15 13:28:54.000","q'
'uantity":200000}],"stock":"MSFT"},{"type":"LONG","comm'
'ission":21877,"cost":1.001592313E7,"quantity":546919,"lots'
'":[{"marketCap":"L","industry":"FINANCIAL","style":"'
'G","buyDate":"2008-08-01 09:50:17.000","quantity":103092}'
',{"marketCap":"L","industry":"FINANCIAL","style":"G"'
',"buyDate":"2008-08-18 10:31:34.000","quantity":49950},{"'
'marketCap":"L","industry":"FINANCIAL","style":"G","b'
'uyDate":"2008-08-29 09:35:22.000","quantity":45045},{"mark'
'etCap":"L","industry":"FINANCIAL","style":"G","buyDa'
'te":"2008-09-15 09:40:32.000","quantity":48400},{"marketCa'
'p":"L","industry":"FINANCIAL","style":"G","buyDate"'
':"2008-10-06 11:21:50.000","quantity":432},{"marketCap":"'
'L","industry":"FINANCIAL","style":"G","buyDate":"200'
'8-10-15 13:30:05.000","quantity":300000}],"stock":"UBS"},'
'{"type":"LONG","commission":4000,"cost":6604849.1,"quan'
'tity":122741,"lots":[{"marketCap":"L","industry":"SERV'
'ICES","style":"V","buyDate":"2008-04-26 04:44:34.000",'
'"quantity":22741},{"marketCap":"L","industry":"SERVICES'
'","style":"V","buyDate":"2008-10-15 13:31:02.000","qua'
'ntity":100000}],"stock":"V"},{"type":"LONG","commissio'
'n":2805,"cost":5005558.25,"quantity":70121,"lots":[{"mar'
'ketCap":"M","industry":"RETAIL","style":"G","buyDate'
'":"2008-10-10 10:48:36.000","quantity":121},{"marketCap":'
'"M","industry":"RETAIL","style":"G","buyDate":"2008'
'-10-15 13:33:44.000","quantity":70000}],"stock":"LDG"},{'
'"type":"LONG","commission":10000,"cost":5382500,"quanti'
'ty":250000,"lots":[{"marketCap":"L","industry":"RETAIL'
'","style":"V","buyDate":"2008-10-15 13:34:30.000","qua'
'ntity":250000}],"stock":"SWY"},{"type":"LONG","commiss'
'ion":1120,"cost":1240960,"quantity":28000,"lots":[{"mark'
'etCap":"u","industry":"ETF","style":"B","buyDate":'
'"2008-10-15 15:57:39.000","quantity":28000}],"stock":"OIL'
'"},{"type":"LONG","commission":400,"cost":236800,"quan'
'tity":10000,"lots":[{"marketCap":"M","industry":"UTILI'
'TIES_AND_ENERGY","style":"G","buyDate":"2008-10-15 15:58'
':03.000","quantity":10000}],"stock":"COG"},{"type":"LO'
'NG","commission":3200,"cost":1369600,"quantity":80000,"l'
'ots":[{"marketCap":"S","industry":"UTILITIES_AND_ENERGY'
'","style":"G","buyDate":"2008-10-15 15:58:32.000","qua'
'ntity":80000}],"stock":"CRZO"},{"type":"LONG","commiss'
'ion":429,"cost":108164.8,"quantity":10720,"lots":[{"mark'
'etCap":"u","industry":"FINANCIAL","style":"V","buyDa'
'te":"2008-10-16 09:37:06.000","quantity":10720}],"stock":'
'"FGI"},{"type":"LONG","commission":1080,"cost":494910,'
'"quantity":27000,"lots":[{"marketCap":"L","industry":'
'"RETAIL","style":"V","buyDate":"2008-10-16 09:37:06.000'
'","quantity":27000}],"stock":"LOW"},{"type":"LONG","'
'commission":4080,"cost":4867440,"quantity":102000,"lots":'
'[{"marketCap":"L","industry":"HEALTHCARE","style":"V'
'","buyDate":"2008-10-16 09:37:06.000","quantity":102000}]'
',"stock":"AMGN"},{"type":"SHORT","commission":4000,"'
'cost":-1159000,"quantity":-100000,"lots":[{"marketCap":'
'"L","industry":"TECHNOLOGY","style":"V","buyDate":'
'"2008-10-16 09:37:06.000","quantity":-100000}],"stock":"'
'AMAT"},{"type":"LONG","commission":2,"cost":5640002,"'
'quantity":50,"lots":[{"marketCap":"L","industry":"FIN'
'ANCIAL","style":"B","buyDate":"2008-10-16 09:37:06.000'
'","quantity":50}],"stock":"BRKA"},{"type":"SHORT","'
'commission":4000,"cost":-436000,"quantity":-100000,"lots'
'":[{"marketCap":"M","industry":"TRANSPORTATION","styl'
'e":"G","buyDate":"2008-10-16 09:37:06.000","quantity":-'
'100000}],"stock":"JBLU"},{"type":"LONG","commission":8'
'000,"cost":1.1534E7,"quantity":200000,"lots":[{"marketCap'
'":"S","industry":"FINANCIAL","style":"G","buyDate":'
'"2008-10-16 14:35:24.000","quantity":200000}],"stock":"US'
'O"},{"type":"LONG","commission":4000,"cost":1.0129E7,"'
'quantity":100000,"lots":[{"marketCap":"L","industry":"'
'TECHNOLOGY","style":"G","buyDate":"2008-10-15 13:28:26.0'
'00","quantity":50000},{"marketCap":"L","industry":"TEC'
'HNOLOGY","style":"G","buyDate":"2008-10-17 09:33:09.000'
'","quantity":50000}],"stock":"AAPL"},{"type":"LONG",'
'"commission":1868,"cost":9971367.2,"quantity":54280,"lots'
'":[{"marketCap":"L","industry":"SERVICES","style":"G'
'","buyDate":"2008-04-26 04:44:34.000","quantity":7580},{'
'"marketCap":"L","industry":"SERVICES","style":"G","'
'buyDate":"2008-05-29 09:50:28.000","quantity":7500},{"mark'
'etCap":"L","industry":"SERVICES","style":"G","buyDat'
'e":"2008-10-15 13:30:38.000","quantity":33000},{"marketCap'
'":"L","industry":"SERVICES","style":"G","buyDate":'
'"2008-10-17 09:33:09.000","quantity":6200}],"stock":"MA"'
'}],"longCash":4.600368106E7,"ownerId":8,"pendingOrders":[{'
'"total":487000,"type":"cover","subtotal":483000,"price'
'":4.83,"commission":4000,"date":"2008-10-17 23:56:06.000"'
',"quantity":100000,"expires":"2008-10-20 16:00:00.000","s'
'tock":"JBLU","id":182375},{"total":6271600,"type":"buy'
'","subtotal":6270000,"price":156.75,"commission":1600,"d'
'ate":"2008-10-17 23:56:40.000","quantity":40000,"expires"'
':"2008-10-20 16:00:00.000","stock":"MA","id":182376}],"'
'inceptionDate":"2008-04-26 04:44:29.000","withdrawals":0,"'
'id":219948,"deposits":0}';
class SendPortBenchmark {
final BenchmarkConfig config;
late ReceivePort port;
late StreamIterator it;
double usPerSend = 0.0;
double usPerReceive = 0.0;
SendPortBenchmark(this.config);
// Runs warmup phase, runs benchmark and reports result.
Future report() async {
port = ReceivePort();
it = StreamIterator(port);
// Warmup for 100 ms.
await measureFor(const Duration(milliseconds: 200));
// Run benchmark for 2 seconds.
//
// Sets [usPerSend] and [usPerReceive] as side-effect.
await measureFor(const Duration(seconds: 2));
// Report result.
print('SendPort.Send.${config.name}(RunTimeRaw): $usPerSend us.');
print('SendPort.Receive.${config.name}(RunTimeRaw): $usPerReceive us.');
await it.cancel();
port.close();
}
Future measureFor(Duration duration) async {
final durationInMicroseconds = duration.inMicroseconds;
int sumSendUs = 0;
int sumReceiveUs = 0;
final sw = Stopwatch()..start();
int numberOfSendReceives = 0;
int lastUs = 0;
int currentUs = 0;
do {
// Send & measure time
port.sendPort.send(config.data);
currentUs = sw.elapsedMicroseconds;
sumSendUs += currentUs - lastUs;
lastUs = currentUs;
// Receive & measure time
await it.moveNext();
it.current;
currentUs = sw.elapsedMicroseconds;
sumReceiveUs += currentUs - lastUs;
lastUs = currentUs;
numberOfSendReceives++;
} while (lastUs < durationInMicroseconds);
usPerSend = sumSendUs / numberOfSendReceives;
usPerReceive = sumReceiveUs / numberOfSendReceives;
}
}
class TreeNode {
@pragma('vm:entry-point') // Prevent tree shaking of this field.
final TreeNode? left;
@pragma('vm:entry-point') // Prevent tree shaking of this field.
final TreeNode? right;
@pragma('vm:entry-point') // Prevent tree shaking of this field.
final int value;
TreeNode(this.left, this.right, this.value);
}
TreeNode generateBinaryTreeOfDepth(int depth) {
int i = 0;
TreeNode gen(int depth) {
if (depth == 0) return TreeNode(null, null, i++);
return TreeNode(gen(depth - 1), gen(depth - 1), i++);
}
return gen(depth);
}
class BenchmarkConfig {
final String name;
final dynamic data;
BenchmarkConfig(this.name, this.data);
}
Future<void> main(args) async {
final String json5KB = data;
final json5KBDecoded = json.decode(json5KB);
assert(json5KB.length == 5534);
final json400B = json.encode(json5KBDecoded['pendingOrders']);
final json400BDecoded = json.decode(json400B);
assert(json400B.length == 390);
final String json50KB = json.encode({
'1': [json5KBDecoded, json5KBDecoded, json5KBDecoded, json5KBDecoded],
'2': [json5KBDecoded, json5KBDecoded, json5KBDecoded, json5KBDecoded],
'3': json5KBDecoded,
});
final json50KBDecoded = json.decode(json50KB);
assert(json50KB.length == 49814);
final String json500KB = json.encode({
'1': [json50KBDecoded, json50KBDecoded, json50KBDecoded, json50KBDecoded],
'2': [json50KBDecoded, json50KBDecoded, json50KBDecoded, json50KBDecoded],
'3': [json50KBDecoded, json50KBDecoded],
});
final json500KBDecoded = json.decode(json500KB);
assert(json500KB.length == 498169);
final String json5MB = json.encode({
'1': [
json500KBDecoded,
json500KBDecoded,
json500KBDecoded,
],
'2': [json500KBDecoded, json500KBDecoded, json500KBDecoded],
'3': [json500KBDecoded, json500KBDecoded, json500KBDecoded],
'4': json500KBDecoded,
});
final json5MBDecoded = json.decode(json5MB);
assert(json5MB.length == 4981723);
final configs = <BenchmarkConfig>[
BenchmarkConfig('Nop', 1),
BenchmarkConfig('Json.400B', json400BDecoded),
BenchmarkConfig('Json.5KB', json5KBDecoded),
BenchmarkConfig('Json.50KB', json50KBDecoded),
BenchmarkConfig('Json.500KB', json500KBDecoded),
BenchmarkConfig('Json.5MB', json5MBDecoded),
BenchmarkConfig('BinaryTree.2', generateBinaryTreeOfDepth(2)),
BenchmarkConfig('BinaryTree.4', generateBinaryTreeOfDepth(4)),
BenchmarkConfig('BinaryTree.6', generateBinaryTreeOfDepth(6)),
BenchmarkConfig('BinaryTree.8', generateBinaryTreeOfDepth(8)),
BenchmarkConfig('BinaryTree.10', generateBinaryTreeOfDepth(10)),
BenchmarkConfig('BinaryTree.12', generateBinaryTreeOfDepth(12)),
BenchmarkConfig('BinaryTree.14', generateBinaryTreeOfDepth(14)),
];
for (final config in configs) {
await SendPortBenchmark(config).report();
}
}