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PHP really kicks ass when it comes to hashing, being about 60 times faster than Opera and a whooping 320 times faster than Firefox on the MD5 hashes. When it comes to calculating the square root it’s not as great though. Opera is about 14 times as fast and Firefox is twice as fast as Opera, so if you’re gonna be crunching numbers you might want to consider letting your users' browser do the heavy lifting.
So this is not the most scientific test around, but I still think the results are pretty interesting. Comments are open, any great ideas of how we can use this for web development or did I just waste five minutes your time?