MeasureThat.net

 Bench array/object (version: 0)

Compare the new ES6 spread operator with the traditional concat() method and push

Comparing performance of: array.push vs spread operator

Created: 4 years ago by: Guest
Jump to the latest result
Script Preparation code:
​x
 
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};
​
var modbusMap = {
    40162: { name: "Inhibition sonde inférieure", desc: "", divider: 1 },
    40163: { name: "Inhibition sonde supérieure", desc: "", divider: 1 },
​
    40300: { name: "Température brûleur inf.", desc: "", divider: 10 },
    40301: { name: "Température brûleur sup.", desc: "", divider: 10 },
    40302: { name: "Température grain", desc: "", divider: 10 },
    40303: { name: "Consigne grille extraction", desc: "", divider: 100 },
    40304: { name: "Consigne grille n°2", desc: "", divider: 100 },
    40305: { name: "Consigne minuterie", desc: "", divider: 1 },
    40306: { name: "Consigne minuterie calculée", desc: "", divider: 1 },
    40307: { name: "Décompte intervalle extraction", desc: "", divider: 1 },
    40308: { name: "Consigne ventilation retardée", desc: "", divider: 1 },
    40309: { name: "Décompte ventilation retardée", desc: "", divider: 1 },
    40310: { name: "Consigne brûleur inférieur", desc: "", divider: 1 },
    40311: { name: "Consigne brûleur supérieur", desc: "", divider: 1 },
    40312: { name: "Consigne température grain", desc: "", divider: 10 },
    40313: { name: "Coefficient de régulation", desc: "", divider: 10 },
    40314: { name: "Temps fermeture volet après extraction", desc: "", divider: 10 },
    40315: { name: "Compteur extractions journalier", desc: "", divider: 1 },
    40316: { name: "Durée fonctionnement brûleur inférieur", desc: "", divider: 1 },
    40317: { name: "Durée fonctionnement brûleur supérieur", desc: "", divider: 1 },
    40318: { name: "Seuil défaut brûleur inférieur", desc: "", divider: 1 },
    40319: { name: "Seuil défaut brûleur supérieur", desc: "", divider: 1 },
    40320: { name: "Cellule de destination", desc: "", divider: 1 },
    40321: { name: "Humidité de sortie", desc: "", divider: 10 },
    40322: { name: "Humidité d'entrée", desc: "", divider: 10 },
    40323: { name: "", desc: "", divider: 1 },
    40324: { name: "", desc: "", divider: 1 },
    40325: { name: "", desc: "", divider: 1 },
    40326: { name: "", desc: "", divider: 1 },
    40327: { name: "", desc: "", divider: 1 },
    40328: { name: "Compteur extractions total", desc: "", divider: 1 },
    40329: { name: "", desc: "", divider: 1 },
    40330: { name: "", desc: "", divider: 10 },
    40331: { name: "", desc: "", divider: 10 },
​
    40500: { name: "", desc: "", divider: 10 },
    40501: { name: "Sonde n°1", desc: "Valeur sonde air usé n°1", divider: 10 },
    40502: { name: "Sonde n°2", desc: "Valeur sonde air usé n°2", divider: 10 },
    40503: { name: "Sonde n°3", desc: "Valeur sonde air usé n°3", divider: 10 },
    40504: { name: "Sonde n°4", desc: "Valeur sonde air usé n°4", divider: 10 },
    40505: { name: "Sonde n°5", desc: "Valeur sonde air usé n°5", divider: 10 },
    40506: { name: "Sonde n°6", desc: "Valeur sonde air usé n°6", divider: 10 },
    40507: { name: "Sonde n°7", desc: "Valeur sonde air usé n°7", divider: 10 },
    40508: { name: "Sonde n°8", desc: "Valeur sonde air usé n°8", divider: 10 },
    40509: { name: "Sonde n°9", desc: "Valeur sonde air usé n°9", divider: 10 },
    40510: { name: "Sonde n°10", desc: "Valeur sonde air usé n°10", divider: 10 },
    40511: { name: "Sonde n°11", desc: "Valeur sonde air usé n°11", divider: 10 },
    40512: { name: "Sonde n°12", desc: "Valeur sonde air usé n°12", divider: 10 },
    40513: { name: "Sonde n°13", desc: "Valeur sonde air usé n°13", divider: 10 },
    40514: { name: "Sonde n°14", desc: "Valeur sonde air usé n°14", divider: 10 },
    40515: { name: "Sonde n°15", desc: "Valeur sonde air usé n°15", divider: 10 },
    40516: { name: "Sonde n°16", desc: "Valeur sonde air usé n°16", divider: 10 },
    40517: { name: "Sonde n°17", desc: "Valeur sonde air usé n°17", divider: 10 },
    40518: { name: "Sonde n°18", desc: "Valeur sonde air usé n°18", divider: 10 },
    40519: { name: "Sonde n°19", desc: "Valeur sonde air usé n°19", divider: 10 },
    40520: { name: "Sonde n°20", desc: "Valeur sonde air usé n°20", divider: 10 },
    40521: { name: "Sonde n°21", desc: "Valeur sonde air usé n°21", divider: 10 },
    40522: { name: "Sonde n°22", desc: "Valeur sonde air usé n°22", divider: 10 },
    40523: { name: "Sonde n°23", desc: "Valeur sonde air usé n°23", divider: 10 },
    40524: { name: "Sonde n°24", desc: "Valeur sonde air usé n°24", divider: 10 },
    40525: { name: "Sonde n°25", desc: "Valeur sonde air usé n°25", divider: 10 },
    40526: { name: "Sonde n°26", desc: "Valeur sonde air usé n°26", divider: 10 },
    40527: { name: "Sonde n°27", desc: "Valeur sonde air usé n°27", divider: 10 },
    40528: { name: "Sonde n°28", desc: "Valeur sonde air usé n°28", divider: 10 },
    40529: { name: "Sonde n°29", desc: "Valeur sonde air usé n°29", divider: 10 },
    40530: { name: "Sonde n°30", desc: "Valeur sonde air usé n°30", divider: 10 },
    40531: { name: "Sonde n°31", desc: "Valeur sonde air usé n°31", divider: 10 },
    40532: { name: "Sonde n°32", desc: "Valeur sonde air usé n°32", divider: 10 },
    40533: { name: "Sonde n°33", desc: "Valeur sonde air usé n°33", divider: 10 },
    40534: { name: "Sonde n°34", desc: "Valeur sonde air usé n°34", divider: 10 },
    40535: { name: "Sonde n°35", desc: "Valeur sonde air usé n°35", divider: 10 },
​
    40600: { name: "", desc: "", divider: 10 },
    40601: { name: "Consigne sonde air usé n°1", desc: "", divider: 10 },
    40602: { name: "Consigne sonde air usé n°2", desc: "", divider: 10 },
    40603: { name: "Consigne sonde air usé n°3", desc: "", divider: 10 },
    40604: { name: "Consigne sonde air usé n°4", desc: "", divider: 10 },
    40605: { name: "Consigne sonde air usé n°5", desc: "", divider: 10 },
    40606: { name: "Consigne sonde air usé n°6", desc: "", divider: 10 },
    40607: { name: "Consigne sonde air usé n°7", desc: "", divider: 10 },
    40608: { name: "Consigne sonde air usé n°8", desc: "", divider: 10 },
    40609: { name: "Consigne sonde air usé n°9", desc: "", divider: 10 },
    40610: { name: "Consigne sonde air usé n°10", desc: "", divider: 10 },
    40611: { name: "Consigne sonde air usé n°11", desc: "", divider: 10 },
    40612: { name: "Consigne sonde air usé n°12", desc: "", divider: 10 },
    40613: { name: "Consigne sonde air usé n°13", desc: "", divider: 10 },
    40614: { name: "Consigne sonde air usé n°14", desc: "", divider: 10 },
    40615: { name: "Consigne sonde air usé n°15", desc: "", divider: 10 },
    40616: { name: "Consigne sonde air usé n°16", desc: "", divider: 10 },
    40617: { name: "Consigne sonde air usé n°17", desc: "", divider: 10 },
    40618: { name: "Consigne sonde air usé n°18", desc: "", divider: 10 },
    40619: { name: "Consigne sonde air usé n°19", desc: "", divider: 10 },
    40620: { name: "Consigne sonde air usé n°20", desc: "", divider: 10 },
    40621: { name: "Consigne sonde air usé n°21", desc: "", divider: 10 },
    40622: { name: "Consigne sonde air usé n°22", desc: "", divider: 10 },
    40623: { name: "Consigne sonde air usé n°23", desc: "", divider: 10 },
    40624: { name: "Consigne sonde air usé n°24", desc: "", divider: 10 },
    40625: { name: "Consigne sonde air usé n°25", desc: "", divider: 10 },
    40626: { name: "Consigne sonde air usé n°26", desc: "", divider: 10 },
    40627: { name: "Consigne sonde air usé n°27", desc: "", divider: 10 },
    40628: { name: "Consigne sonde air usé n°28", desc: "", divider: 10 },
    40629: { name: "Consigne sonde air usé n°29", desc: "", divider: 10 },
    40630: { name: "Consigne sonde air usé n°30", desc: "", divider: 10 },
    40631: { name: "Consigne sonde air usé n°31", desc: "", divider: 10 },
    40632: { name: "Consigne sonde air usé n°32", desc: "", divider: 10 },
    40633: { name: "Consigne sonde air usé n°33", desc: "", divider: 10 },
    40634: { name: "Consigne sonde air usé n°34", desc: "", divider: 10 },
    40635: { name: "Consigne sonde air usé n°35", desc: "", divider: 10 },
};
​
Tests:

  • array.push

     
            var arr = [];
            var name = "";
            var divider = 1;
            var key = null;
    ​
            // for each key in json
            for (key in json) {
              // ensure 'key' is an object property
              if (Object.prototype.hasOwnProperty.call(json, key)) {
                name = "no name";
                divider = 1;
    ​
                if (typeof modbusMap[key] !== "undefined") {
                  name = modbusMap[key].name;
                  divider = modbusMap[key].divider;
                }
    ​
                arr.push({
                  id: key,
                  value: json[key] / divider,
                  name: name
                });
              }
            }

  • spread operator

     
            var arr = {};
            var name = "";
            var divider = 1;
            var key = null;
    ​
            // for each key in json
            for (key in json) {
              // ensure 'key' is an object property
              if (Object.prototype.hasOwnProperty.call(json, key)) {
                name = "no name";
                divider = 1;
    ​
                if (typeof modbusMap[key] !== "undefined") {
                  name = modbusMap[key].name;
                  divider = modbusMap[key].divider;
                }
    ​
                arr[key] = {
                  value: json[key] / divider,
                  name: name
                };
              }
            }
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    array.push
    spread operator

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 4 years ago)
Mozilla/5.0 (Linux; Android 6.0.1; Redmi 4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.127 Mobile Safari/537.36
Chrome Mobile 85 on Android 6.0.1
View result in a separate tab
Test name Executions per second
array.push 1119.8 Ops/sec
spread operator 934.4 Ops/sec
LLMs can make mistakes. Check important info.
Related benchmarks: