27 Jul 07:48
Re: sorting floats by casting to integer
Steven Ross <spreadsort <at> gmail.com>
2009-07-27 05:48:04 GMT
2009-07-27 05:48:04 GMT
On Sun, Jul 26, 2009 at 5:22 PM, Cory Nelson <phrosty <at> gmail.com> wrote: > > Thanks for the suggestion. > > I ended up passing those flags you suggested, and obtained this result: > > cl : Command line warning D9002 : ignoring unknown option '-march=nocona' > > cl : Command line warning D9002 : ignoring unknown option '-mfpmath=sse' > > Those are for GCC. For VC++, you want to use /arch:SSE2. > Thanks Cory. There was no warning with that option specified, but there was also no measurable performance change. I verified that MSVC was being called with the option, and that if I misspelled the option, a warning was issued. I think that SSE is deliberately disabled in the cheap version of MSVC I bought, based upon the Microsoft documentation. _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
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