Benchmark: Square root vs squared distance vs fastInvSqrt vs approx distance

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var coords = [];
for(let i = 0; i < 1000; i++) {
  coords[i] = [Math.random() * 100, Math.random() * 100];
}
var gravity = 1.0, x, y, distance, force;

Tests:

Math.sqrt()
for(const coord of coords) { x = coords[0]; y = coords[1]; distance = Math.sqrt(x * x + y * y); force = gravity / (distance * distance); }
squared distance
for(const coord of coords) { x = coords[0]; y = coords[1]; distance = x * x + y * y; force = gravity / distance; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Math.sqrt()
squared distance

Fastest: N/A

Slowest: N/A

Latest run results:

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Square root vs squared distance vs fastInvSqrt vs approx distance (version: 1)

Comparing performance of: `Math.sqrt() vs squared distance`

Created: one year ago by: Guest

Go to the latest result

Math.sqrt()

squared distance

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Square root vs squared distance vs fastInvSqrt vs approx distance (version: 1)

Comparing performance of: Math.sqrt() vs squared distance

Created: one year ago by: Guest

Go to the latest result

Math.sqrt()

squared distance

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Comparing performance of: `Math.sqrt() vs squared distance`