An experimental new JavaScript compiler could provide useful lessons for the existing crop of JavaScript engines — or for as-yet-undeveloped JIT (just-in-time) compilers for other languages.

In the current JägerMonkey JIT, there is no optimization step. IonMonkey is targeted at long-running JavaScript applications; for shorter ones, Firefox will continue to use the current ...

normally butters":5rgs3edv said: It won't be long at all before JavaScript is faster than C++. We've been studying static optimizing compilers for 40 years, and we've pretty much hit a wall.