pre-allocated arrays (v20)

Revision 20 of this benchmark created by NibbleByte on

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Testing in
TestOps/sec
empty literal
var arr = [];
for (var i = 0; i < 1000000; i++) {
  arr[i] = i;
}
ready
pre-allocated array
var arr = new Array(1000000);
for (var i = 0; i < 1000000; i++) {
  arr[i] = i;
}
ready
pre-defined array
var arr = new Array;
for (var i = 0; i < 1000000; i++) {
  arr[i] = i;
}
ready
empty literal, push-grown
var arr = [];
for (var i = 0; i < 1000000; i++) {
  arr.push(i);
}
ready
empty literal, length-allocated
var arr = [];
arr.length = 1000000;
for (var i = 0; i < 1000000; i++) {
  arr[i] = i;
}
ready

Revisions

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