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Simple SSE optimized sin, cos, log and exp

by ogrisel
I chose to write them in pure SSE1 MMX so that they run on the pentium III of your grand mother, and also on my brave athlon-xp, since thoses beast are not SSE2 aware. Intel AMath showed me that the performance gain for using SSE2 for that purpose was not large enough (10%) to consider providing an SSE2 version (but it can be done very quickly). The functions use only the _mm_ intrinsics , there is no inline assembly in the code. Advantage: easier to debug, works out of the box on 64 bit setups, let the compiler choose what should be stored in a register, and what is stored in memory. Inconvenient: some versions of gcc 3.x are badly broken with certain intrinsic functions ( _mm_movehl_ps , _mm_cmpeq_ps etc). Mingw's gcc for example -- beware that the brokeness is dependent on the optimization level. A workaround is provided (inline asm replacement for the braindead intrinsics), it is not nice but robust, and broken compilers are detected by the validation program below.


Pieces of the Secret Skies

by Secret Skies
It's not everyday that you meet people that will equal and outwit your beliefs. It's not everyday that you'll find someone that can make you express your innermost senses. It's not everyday that you stumble over coffee and end up with great company...


by CyberRev
A Christian website of truth or dare. One of the most controversial, investigative, religious, biblical websites on the Internet. A great site for DEEP research or the spiritual seeker of truth or lie.


YouTube - Tony Melendez

by Pixelco
El video del artista sin manos


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