Run results for: Object passing vs shared array context.

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.72 Safari/537.36 Edg/90.0.818.42

Browser: Chrome 90

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Using Object	3050034.8 Ops/sec
Using shared context	1711120.1 Ops/sec

Script Preparation code:

var ctx = new Array(2);

function addObject(obj) {
  return obj.a + obj.b;
}

function addCtx() {
  return ctx[0] + ctx[1];
}

Tests: