4 Jul 10:52
Re: sorting floats by casting to integer
Edouard A. <edouard <at> fausse.info>
2009-07-04 08:52:53 GMT
2009-07-04 08:52:53 GMT
>I've been investigating why float_sort is so much faster than std::sort on >x86 processors, and why sorting integers is so much faster than float_sort, >and came to the conclusion that floating-point comparisons are extremely >slow on x86. Hey Steven, Is it true even with SSE3 optimizations turned on and data aligned to 16-bytes boundaries? Which compiler were you using? Regards. -- -- Edouard __________ Information from ESET NOD32 Antivirus, version of virus signature database 4215 (20090704) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
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