In the nightly builds of Firefox, the performance of JIT compilation has significantly increased.
The nightly builds of Firefox include an updated JIT compiler, developed under the codename WarpBuilder. To activate the new JIT, the option "javascript.options.warp" is suggested in about:config. It is noted that WarpBuilder is just the first step towards incorporating new optimizations into the browser, planned for the next year. The new JIT improves the performance of the SpiderMonkey JavaScript engine by reducing internal information […]
