Run results for: Various Ways to cast float to Integer - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Bitwise XOR

126.4M/s

Math.floor

119.3M/s

Double Negation

118.0M/s

Unsigned Right Shift

116.5M/s

Modulo

116.0M/s

Math.round

113.2M/s

Math.trunc

109.5M/s

Bitwise OR

109.3M/s

Right Shift

108.7M/s

parseInt

22.7M/s

View exact numbers

Test name	Executions per second
✓ Bitwise XOR	126,377,168 Ops/sec
Math.floor	119,294,784 Ops/sec
Double Negation	117,966,736 Ops/sec
Unsigned Right Shift	116,481,112 Ops/sec
Modulo	115,979,144 Ops/sec
Math.round	113,221,248 Ops/sec
Math.trunc	109,499,712 Ops/sec
Bitwise OR	109,285,824 Ops/sec
Right Shift	108,659,816 Ops/sec
parseInt	22,684,274 Ops/sec

Tests:

Math.floor
let x = Math.floor(65531 / 65536 * 13000); return x;
Math.round
let x = Math.round(65531 / 65536 * 13000); return x;
Math.trunc
let x = Math.trunc(65531 / 65536 * 13000); return x;
parseInt
let x = parseInt("" + (65531 / 65536 * 13000) + ""); return x;
Double Negation
let x = ~~(65531 / 65536 * 13000); return x;
Bitwise XOR
let x = 65531 / 65536 * 13000 ^ 0; return x;
Bitwise OR
let x = 65531 / 65536 * 13000 | 0; return x;
Right Shift
let x = 65531 / 65536 * 13000 >> 0; return x;
Unsigned Right Shift
let x = 65531 / 65536 * 13000 >>> 0; return x;
Modulo
let x = 65531 / 65536 * 13000 - 65531 / 65536 * 13000 % 1 return x;