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

Double Negation

123.8M/s

Math.round

123.2M/s

Math.floor

116.6M/s

Right Shift

115.1M/s

Modulo

114.5M/s

Bitwise XOR

114.0M/s

Bitwise OR

113.1M/s

Math.trunc

112.2M/s

Unsigned Right Shift

108.7M/s

parseInt

22.4M/s

View exact numbers

Test name	Executions per second
✓ Double Negation	123,769,688 Ops/sec
Math.round	123,180,376 Ops/sec
Math.floor	116,579,904 Ops/sec
Right Shift	115,063,344 Ops/sec
Modulo	114,488,912 Ops/sec
Bitwise XOR	114,031,712 Ops/sec
Bitwise OR	113,125,984 Ops/sec
Math.trunc	112,213,208 Ops/sec
Unsigned Right Shift	108,662,608 Ops/sec
parseInt	22,396,156 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;