Run results for: dynamic create object vs array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Browser: Chrome 67

Operating system: Mac OS X 10.11.6

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
dynamic create object integer value	727867600.0 Ops/sec
dynamic create array integer value	16134010.0 Ops/sec
dynamic create object string value	147705300.0 Ops/sec
dynamic create array string value	17575070.0 Ops/sec
buffered array integer values	0.0 Ops/sec
buffered array string value	243943.7 Ops/sec

Tests:

dynamic create object integer value
var object = {}; object["p1"] = 1; object["p2"] = 2; object["p3"] = 3; object["p4"] = 4; object["p5"] = 5; object["p6"] = 6; object["p7"] = 7; object["p8"] = 8; object["p9"] = 9;
dynamic create array integer value
var array = []; array.push("p1",1); array.push("p2",2); array.push("p3",3); array.push("p4",4); array.push("p5",5); array.push("p6",6); array.push("p7",7); array.push("p8",8); array.push("p9",9);
dynamic create object string value
var object = {}; object["p1"] = "1"; object["p2"] = "2"; object["p3"] = "3"; object["p4"] = "4"; object["p5"] = "5"; object["p6"] = "6"; object["p7"] = "7"; object["p8"] = "8"; object["p9"] = "9";
dynamic create array string value
var array = []; array.push("p1",1); array.push("p2",2); array.push("p3",3); array.push("p4",4); array.push("p5",5); array.push("p6",6); array.push("p7",7); array.push("p8",8); array.push("p9",9);
buffered array integer values
var array = []; array.length = 18 var index = 0; array[i++] = "p1"; array[i++] = 1; array[i++] = "p2"; array[i++] = 2; array[i++] = "p3"; array[i++] = 3; array[i++] = "p4"; array[i++] = 4; array[i++] = "p5"; array[i++] = 5; array[i++] = "p6"; araay[i++] = 6; array[i++] = "p7"; araay[i++] = 7; array[i++] = "p8"; array[i++] = 8; array[i++] = "p9"; array[i++] = 9;
buffered array string value
var array = []; array.length = 18 var index = 0; array[i++] = "p1"; array[i++] = "1"; array[i++] = "p2"; array[i++] = "2"; array[i++] = "p3"; array[i++] = "3"; array[i++] = "p4"; array[i++] = "4"; array[i++] = "p5"; array[i++] = "5"; array[i++] = "p6"; array[i++] = "6"; array[i++] = "p7"; array[i++] = "7"; array[i++] = "p8"; array[i++] = "8"; array[i++] = "p9"; array[i++] = "9";

Run results for: dynamic create object vs array

dynamic create object integer value

dynamic create array integer value

dynamic create object string value

dynamic create array string value

buffered array integer values

buffered array string value