node-pid-controller
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Philmod
High resolution timer
Node provides access to high resolution time through process.hrtime(). It can also be used to calculate the time difference between calls.
Example (from NodeJS Docs):
var time = process.hrtime();
// [ 1800216, 25 ]
setTimeout(function() {
var diff = process.hrtime(time);
// [ 1, 552 ]
console.log('benchmark took %d nanoseconds', diff[0] * 1e9 + diff[1]);
// benchmark took 1000000527 nanoseconds
}, 1000);
Do you see a benefit for the higher precision? I see that dt is stored as seconds, so wasn't sure if higher precision would actually make a difference.
