Math.floor vs Math.round vs parseInt vs Bitwise vs Tilde (v32)

Revision 32 of this benchmark created on

Description

Rounding in all form possible

Setup

var round = Math.round;

Test runner

Ready to run.

Testing in
TestOps/sec
Math.floor
Math.floor(89.938 / 293.3);
Math.floor(83784 / 9289.2);
Math.floor(7 / 60);
ready
Math.round
Math.round(89.938 / 293.3);
Math.round(83784 / 9289.2);
Math.round(7 / 60);
ready
parseInt
parseInt(89.938 / 293.3, 10);
parseInt(83784 / 9289.2, 10);
parseInt(7 / 60, 10);
ready
Bitwise |
89.938 / 293.3 | 0;
83784 / 9289.2 | 0;
7 / 60 | 0;
ready
Bitwise
89.938 / 293.3 >> 0;
83784 / 9289.2 >> 0;
7 / 60 >> 0;
ready
Tilde
~~(89.938 / 293.3);
~~(83784 / 9289.2);
~~(7 / 60);
ready
Fast round
round(89.938 / 293.3);
round(83784 / 9289.2);
round(7 / 60);
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.