1. That is on 32-bit, for fairness it's worth mentioning that Safari is slow there because its FTL JIT is 64-bit only.<p>2. Firefox would also be faster on 64-bit as well (less significantly). However, TurboFan results aren't showing up on the 64-bit bot - not sure if that's an issue with the bot, or if TurboFan doesn't build on 64-bit yet.<p>3. Those are microbenchmarks, for more realistic workloads click on "apps", which leads to <a href="http://arewefastyet.com/#machine=28&view=breakdown&suite=asmjs-apps" rel="nofollow">http://arewefastyet.com/#machine=28&view=breakdown&suite=asm...</a>