Run results for: The fastest way to find the distance between two points

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Browser: Chrome 66

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Euclidian A	986219.4 Ops/sec
Euclidian B	1370022.0 Ops/sec
Manhattan A	749917.6 Ops/sec
Manhattan B	437101.9 Ops/sec
Custom A	373510.0 Ops/sec

Script Preparation code:

var x1 = 10;
var y1 = 20;
var x2 = -10;
var y2 = -20;

function euclidian_a() {
	return Math.sqrt(x1 * x2 + y1 * y2);
}

function euclidian_b() {
	return x1 * x2 + y1 * y2;
}

function manhattan_a() {
	return Math.abs(x1 - x2) + Math.abs(y1 - y2);
}

function manhattan_b() {
	if (x1 < 0) {
		x1 *= -1;
	}
  	if (x2 < 0) {
		x1 *= -1;
	}
  	if (x1 < 0) {
		x1 *= -1;
	}
	if (y2 < 0) {
		y1 *= -1;
	}
	return x1 - x2 + y1 - y2;
}

function custom_a() {
  x1 = (x1 >= 0) ? x1 : -x1 ;
  x2 = (x2 >= 0) ? x2 : -x2 ;
  y1 = (y1 >= 0) ? y1 : -y1 ;
  y2 = (y2 >= 0) ? y2 : -y2 ;
  return x1 - x2 + y1 - y2;
}

Tests:

Euclidian A
euclidian_a();
Euclidian B
euclidian_b();
Manhattan A
manhattan_a();
Manhattan B
manhattan_b();
Custom A
custom_a();

Run results for: The fastest way to find the distance between two points

Tested in php : http://www.emanueleferonato.com/2010/07/29/the-fastest-way-to-find-the-distance-between-two-points/

Euclidian A

Euclidian B

Manhattan A

Manhattan B

Custom A