Run results for: Single function vs Multiple functions

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.660 YaBrowser/23.9.5.660 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Single	848387.8 Ops/sec
Multi	650769.8 Ops/sec

Script Preparation code:

function single(url) {
      var out = {};
      var protocol = url.match(/^[^:]+/)[0];
      var domain = url.match(/(?:\/{2})([^/]+)/)[1];
      var paths = url.match(/(?:\/{2}[^\/]+\/)([^?]+)/)[1].split('/');
      var query = url.match(/(?:[?])([^#]+)/)[1].split(/&/g).reduce((result, next) => {
        var [key, value] = next.split(/=/);
        result[key] = value || '';
        return result;
      }, {});
      
      var hash = url.match(/(?:[#])([\S\s]+)/)[1].split(/&/g).reduce((result, next) => {
        var [key, value] = next.split(/=/);
        result[key] = value || '';
        return result;
      }, {});
  
      out.protocol = protocol;
      out.domain = domain;
      out.paths = paths;
      out.query = query;
      out.hash = hash;
      return out;
    }
  
    function multi(url) {
      var out = {
        protocol: getProtocol(url),
        domain: getDomain(url),
        paths: getPaths(url),
        query: getQuery(url),
        hash: getHash(url),
      };
      return out;
    }
  
    function getProtocol(url) {
      return url.match(/^[^:]+/)[0];
    }
  
    function getDomain(url) {
      return url.match(/(?:\/{2})([^/]+)/)[1];
    }
  
    function getPaths(url) {
      return url.match(/(?:\/{2}[^\/]+\/)([^?]+)/)[1].split('/');
    }
  
    function getQuery(url) {
      return url.match(/(?:[?])([^#]+)/)[1].split(/&/g).reduce((result, next) => {
        var [key, value] = next.split(/=/);
        result[key] = value || '';
        return result;
      }, {});
    }
  
    function getHash(url) {
      return url.match(/(?:[#])([\S\s]+)/)[1].split(/&/g).reduce((result, next) => {
        var [key, value] = next.split(/=/);
        result[key] = value || '';
        return result;
      }, {});
    }

Tests:

Single
single('http://preview.sub.domain.org.com/path1/path2/?a=1&b2#c=3&d=4')
Multi
multi('http://preview.sub.domain.org.com/path1/path2/?a=1&b2#c=3&d=4')

Run results for: Single function vs Multiple functions

Single function vs Single responsibility in performance

Single

Multi