2 passes over an array in some cases can be faster than a single pass w/ a conditional statement causing branch miss predictions. Hmmm WAT.
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Replying to @kellabyte
@kellabyte really wish x86 had better tools for figuring that stuff out :(3 replies 0 retweets 0 likes -
Replying to @bascule
@bascule@kellabyte there's more'n you might think. "perf" on Linux rules with right h/w, if you can decipher output. http://www.halobates.de/modern-pmus-yokohama.pdf …1 reply 0 retweets 0 likes
Replying to @0x2ba22e11
@RichardBarrell @kellabyte I just wish we had Azul-like tools for profiling apps on x86
8:25 PM - 22 Jan 2013
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