The optimization and increasing speed of JavaScript engines has become one of the main battlefields of web browsers. Google became all set to Safari, but Apple seems willing to return the throne.
The recent changes in WebKit, the open source project maintained by Apple and on which Safari is built, give its JavaScript engine an perfomance injection making it significantly faster than Chrome in some benchmarks, particularly shining when executing code asm.js not optimized for the special subset of JavaScript developed by Mozilla to interpret C and C++ code.
The secret to this improvement is hidden in the so-called FTLJIT, a set of changes that use the LLVM compiler like JIT system and although it is still in the experimental stage, it can turn it in last Nightly Build of Safari resorting to Terminal.
Is this one of the new Apple OS X 10.10 or there is still much work ahead to the imminent presentation at WWDC 2014? With a launching, we would have to place around October, should apply themselves.
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