asmjs
JavaScript performance comparison
Preparation code
<script>
function DiagModule(stdlib) {
"use asm";
var sqrt = stdlib.Math.sqrt;
function square(x) {
x = +x;
return +(x*x);
}
function diag(x, y) {
x = +x;
y = +y;
return +sqrt(square(x) + square(y));
}
return { diag: diag };
}
function DiagSlowModule(stdlib) {
var sqrt = stdlib.Math.sqrt;
function square(x) {
x = +x;
return +(x*x);
}
function diag(x, y) {
x = +x;
y = +y;
return +sqrt(square(x) + square(y));
}
return { diag: diag };
}
var fast = DiagModule(window);
var slow = DiagSlowModule(window);
</script>
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Test  Ops/sec  

fast 

pending… 
slow 

pending… 
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