Math.floor vs Math.round vs parseInt vs Bitwise (v138)

Revision 138 of this benchmark created by bluefireuoop on

Description

Rounding in all form possible

Test runner

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Testing in
TestOps/sec
Math.floor
function a(m) {
  m.floor(89.938 / 293.3);
  m.floor(83784 / 9289.2);
  m.floor(7 / 60);
}
a(Math);
ready
Math.round
function a(m) {
  Math.round(89.938 / 293.3);
  Math.round(83784 / 9289.2);
  Math.round(7 / 60);
}
a(Math);
ready
parseInt
function a(m) {
  parseInt(89.938 / 293.3);
  parseInt(83784 / 9289.2);
  parseInt(7 / 60);
}
a();
ready
Bitwise |
function a(m) {
  89.938 / 293.3 | 0;
  83784 / 9289.2 | 0;
  7 / 60 | 0;
}
a();
ready
Bitwise >>
function a(m) {
  89.938 / 293.3 >> 0;
  83784 / 9289.2 >> 0;
  7 / 60 >> 0;
}
a();
ready
Bitwise ~~
function a(m) {~~
  (89.938 / 293.3);~~
  (83784 / 9289.2);~~
  (7 / 60);
}
a();
ready
Bitwise <<
function a(m) {
  89.938 / 293.3 << 0;
  83784 / 9289.2 << 0;
  7 / 60 << 0;
}
a();
ready

Revisions

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