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The ignition bycode of the Sparkplug compiler V8 sits between the interpreter and the turbofan optimization compiler.
Microsoft is also claiming Major performance improvements with its Chromium-based Edge release 1 release. At its developer conference, it highlighted the ‘Startup Boost’ feature to drastically reduce the memory usage of fast start page loads and sleeping tabs. Edge 911, with yesterday’s release from Microsoft Now claims to be “the best performing browser in Windows 10”.