LayoutTests/perf/array-push-pop.html

<script src="../resources/magnitude-perf.js"></script>
<script>
function setupFunction(magnitude)
{
    array = [];
    for (var i = 0; i < magnitude; i++) {
        array[i] = i;
    }
}

function test(magnitude)
{
    array.push(1);
    array.pop();
}

Magnitude.description("Tests that pushing and popping from an array is constant time.");
Magnitude.numPoints = 12;
// *Really* noisy; can sometimes get several 40% swings, so have more trials
// and lax tolerance
Magnitude.numTrials = 5;
Magnitude.successThreshold = 0.40; // 2 out of 5
Magnitude.tolerance = 0.40;
Magnitude.trim = 2;
Magnitude.run(setupFunction, test, Magnitude.CONSTANT);
</script>