From what I understand, in Safari at least they tried to make many of the optimizations general. So if you use asm.js-style type indications in your code even w

From what I understand, in Safari at least they tried to make many of the optimizations general. So if you use asm.js-style type indications in your code even without following the full spec, you might see some performance benefit. I have sometimes found a speedup when adding apparently an superfluous |0.