three ways of doubling

JavaScript performance comparison

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
multiply
var num = 10;
var double = function(x) {
return x * 2;
};
double(num);
pending…
add
var num = 10;
var double = function(x) {
return x + x;
};
double(num);
pending…
shift
var num = 10;
var double = function(x) {
return x << 1;
};
double(num);
pending…

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