CPU bound task.dart

import 'dart:math';

void main() async {
  var duration = _runCPUBoundTask();
  print('The duration for CPU bound task is $duration');
}

Future<Duration> _runCPUBoundTask() async {
    var startTime = DateTime.now();
    print('Starting ...');
    for (var i = 0; i < 1000000000; i++) {
      sin(cos(tan(sin(cos(tan(sin(cos(tan(sin(123456789.123456789))))))))));
    }
    return DateTime.now().difference(startTime);
}