Run results for: immutable perf

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Browser: Chrome 67

Operating system: Linux

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
native	3387072.0 Ops/sec
immutable array push	1599324.6 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/immutable.js/4.0.0-rc.2/immutable.min.js"></script>

Script Preparation code:

var a = new Array(1000);
a.fill([1,2,3,4]);

var ia = Immutable.List(a);

Tests:

native
a.shift(); a.push([1,2,3,4]);
immutable array push
ia = ia.push([1,2,3,4]); /*var pia = ia.withMutations(function(mat){ mat.shift(); mat.push([1,2,3,4]); }); var nia = pia.toArray(); */