Math.floor vs Math.round vs parseInt vs Bitwise (v26)

Revision 26 of this benchmark created by Yar on

Description

Rounding in all form possible

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);
parseInt(83784 / 9289.2);
parseInt(7 / 60);
ready
Bitwise |
89.938 / 293.3 | 0;
83784 / 9289.2 | 0;
7 / 60 | 0;
ready
Bitwise
89.938 / 293.3 >> 1;
83784 / 9289.2 >> 1;
7 / 60 >> 1;
ready
DoubleBitReverse
~~(89.938 / 293.3);
~~(83784 / 9289.2);
~~(7 / 60);
ready

Revisions

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