warmup method
Measures the runtime of f
for duration
and
reports the average runtime expressed as clock ticks.
Implementation
({int ticks, int iter}) warmup(
void Function() f, {
Duration duration = const Duration(milliseconds: 200),
int preRuns = 3,
}) {
var ticks = microsecondsToTicks(duration.inMicroseconds);
var iter = 0;
for (var i = 0; i < preRuns; i++) {
f();
}
reset();
start();
do {
f();
iter++;
} while (elapsedTicks < ticks);
return (ticks: elapsedTicks ~/ iter, iter: iter);
}