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c++ Programming Glossary: amdhttp://stackoverflow.com/questions/1102692/how-to-do-alpha-blend-fast 4 resultByte bytepp 4 maskCurrent 4 To find out which AMD processors will run this code currently it is using SSE2 instructions.. it is using SSE2 instructions see Wikipedia's List of AMD Turion microprocessors . You could also look at other lists.. of processors on Wikipedia but my research shows that AMD cpus from around 4 years ago all support at least SSE2. You..
Aliasing `T*` with `char*` is allowed. Is it also allowed the other way around? http://stackoverflow.com/questions/12612488/aliasing-t-with-char-is-allowed-is-it-also-allowed-the-other-way-around it would result in undefined behavior . On the Intel and AMD platforms it will result performance overhead. On ARM it will..
std::vector reserve() and push_back() is faster than resize() and array index, why? http://stackoverflow.com/questions/1461276/stdvector-reserve-and-push-back-is-faster-than-resize-and-array-index-w I can think of. PS this was tested on a single core 2Ghz AMD Turion 64 ML 37. c optimization stl vector share improve..
http://stackoverflow.com/questions/2188680/is-fastcall-really-faster to ~4 for a fastcall . For an out of order x86 Intel and AMD the impact may be much less because the registers are all shadowed..
Microsecond resolution timestamps on Windows http://stackoverflow.com/questions/2414359/microsecond-resolution-timestamps-on-windows the ACPI PM timer . On my system Windows 7 x64 dual core AMD the timer runs at 14.31818 MHz. The same is true for earlier..
What is the fastest way to compute sin and cos together? http://stackoverflow.com/questions/2683588/what-is-the-fastest-way-to-compute-sin-and-cos-together math share improve this question Modern Intel AMD processors have instruction FSINCOS for calculating sine and..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds you do not have those chipset. Additionally some dual core AMDs may also cause a problem . See the second post by sebbbi where.. but have different issues. For example in Windows XP all AMD Athlon X2 dual core CPUs return the PC of either of the cores.. jumps a bit backwards unless you specially install AMD dual core driver package to fix the issue. We haven't noticed..
http://stackoverflow.com/questions/2901694/programatically-detect-number-of-physical-processors-cores-or-if-hyper-threading together the solution below which I believe works for both AMD and Intel processors. As far as I know and I could be wrong.. Intel processors. As far as I know and I could be wrong AMD does not yet have CPU threads but they have provided a way to.. a way to detect them that I assume will work on future AMD processors which may have CPU threads. In short here are the..
Beyond Stack Sampling: C++ Profilers http://stackoverflow.com/questions/4394606/beyond-stack-sampling-c-profilers figure out if it's a good fit. It's just darn cool too. AMD Codeanalyst Wonderful easy to use very crash prone but I think..
What's the best Free C++ Profiler for Windows? http://stackoverflow.com/questions/67554/whats-the-best-free-c-profiler-for-windows either. c windows profile share improve this question AMD Code Analyst is free but not as advanced as VTune. There's also..
How can adding code to a loop make it faster? http://stackoverflow.com/questions/688325/how-can-adding-code-to-a-loop-make-it-faster To be sure you can give the Intel VTune analyzer or the AMD CodeAnalyst tool a try. These tools will show you what's exactly..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle In order to achieve peak FLOPS on Intel Haswell and AMD Bulldozer processors and later FMA Fused Multiply Add instructions..
while (1) Vs. for (;;) Is there a speed difference? http://stackoverflow.com/questions/885908/while-1-vs-for-is-there-a-speed-difference below. Quoted here in case it gets buried. It came from an AMD assembly programmer. He stated that C programmers the poeple..
http://stackoverflow.com/questions/981787/good-portable-simd-library SIMD library that provides a c c API works on Intel and AMD extensions and Visual Studio GCC compatible. I'm looking to.. studio. There's also Intel IPP which doesn't work on AMD from what I gather. And there's Framewave from AMD but I was.. work on AMD from what I gather. And there's Framewave from AMD but I was having some problems compiling and linking their library..
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