Run results for: geosailing

Test name	Executions per second
✓ case1	146,525,456 Ops/sec
case2	6,031,582 Ops/sec
case3	840,253 Ops/sec
case5	747,362 Ops/sec
case4	726,925 Ops/sec

Script Preparation code:

function geosailing(latA, lngA, latB, lngB) {
  try {
    return (Math.acos(Math.sin(Math.atan(Math.tan(latA * (Math.PI / 180)))) * Math.sin(Math.atan(Math.tan(latB * (Math.PI / 180)))) + Math.cos(Math.atan(Math.tan(latA * (Math.PI / 180)))) * Math.cos(Math.atan(Math.tan(latB * (Math.PI / 180)))) * Math.cos(lngA * (Math.PI / 180) - lngB * (Math.PI / 180))) * 6371.008);
  } catch {
    return 0;
  }
}
var dist_cache = {};

function geosailing2(latA, lngA, latB, lngB) {
  if (dist_cache[latA] && dist_cache[latA][lngA] && dist_cache[latA][lngA][latB] && dist_cache[latA][lngA][latB][lngB]) {
    return dist_cache[latA][lngA][latB][lngB];
  } else {
    var dist = Math.acos(Math.sin(Math.atan(Math.tan(latA * (Math.PI / 180)))) * Math.sin(Math.atan(Math.tan(latB * (Math.PI / 180)))) + Math.cos(Math.atan(Math.tan(latA * (Math.PI / 180)))) * Math.cos(Math.atan(Math.tan(latB * (Math.PI / 180)))) * Math.cos(lngA * (Math.PI / 180) - lngB * (Math.PI / 180))) * 6371.008;
    if (!dist_cache[latA]) dist_cache[latA] = {};
    if (!dist_cache[latA][lngA]) dist_cache[latA][lngA] = {};
    if (!dist_cache[latA][lngA][latB]) dist_cache[latA][lngA][latB] = {};
    dist_cache[latA][lngA][latB][lngB] = dist;
    return dist;
  }
}
function geosailing3(a,b,c,d){
  with(Math)return acos(sin(a*PI/180)*sin(c*PI/180)+cos(a*PI/180)*cos(c*PI/180)*cos(b*PI/180-d*PI/180))*6371.008
}
function geosailing4(a,b,c,d){
  with(Math)return acos(sin(a*(i=PI/180))*sin(c*i)+cos(a*i)*cos(c*i)*cos(b*i-d*i))*6371.008
}
function geosailing5(a,b,c,d){
  with(Math)return acos(sin(a*=(i=PI/180))*sin(c*=i)+cos(a)*cos(c)*cos(b*i-d*i))*6371.008
}

Run results for: geosailing

case1

case2

case3

case4

case5