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c++ Programming Glossary: sse2SSE instructions to add all elements of an array http://stackoverflow.com/questions/10930595/sse-instructions-to-add-all-elements-of-an-array instructions to add all elements of an array I am new to SSE2 instructions. I have found an instruction _mm_add_epi8 which.. how it is possible to add all elements of an array using SSE2 instructions Any help will be appreciated. c arrays sse simd..
http://stackoverflow.com/questions/1102692/how-to-do-alpha-blend-fast be able to use the multiply and discard bottom 8 bits SSE2 instruction for this. add those two 4 and 5 together Store those.. AMD processors will run this code currently it is using SSE2 instructions see Wikipedia's List of AMD Turion microprocessors.. that AMD cpus from around 4 years ago all support at least SSE2. You should expect a good SSE2 implimentation to run around..
Heisenbug: WinApi program crashes on some computers http://stackoverflow.com/questions/132116/heisenbug-winapi-program-crashes-on-some-computers Instruction Set compiler option. It was set to arch SSE2 and was crashing on the machines that didn't support SSE2. I've.. SSE2 and was crashing on the machines that didn't support SSE2. I've set this option to Not Set and the bug is gone. Phew Thank..
Compile JavaScript to Native Code with V8 http://stackoverflow.com/questions/2962210/compile-javascript-to-native-code-with-v8 as good as JIT'ed code because JIT code can use e.g. SSE2 SSE3 if it's available which snapshots can't assume. share..
Can I force cache coherency on a multicore x86 CPU? http://stackoverflow.com/questions/558848/can-i-force-cache-coherency-on-a-multicore-x86-cpu the memory bus. Edit There is a clflush instruction in SSE2 and up which according to the NASM instruction reference invalidates..
How to check if a CPU supports the SSE3 instruction set? http://stackoverflow.com/questions/6121792/how-to-check-if-a-cpu-supports-the-sse3-instruction-set code int x64 false int MMX false int SSE false int SSE2 false int SSE3 false int SSSE3 false int SSE41 false int SSE42.. 0x00000001 MMX info 3 int 1 23 0 SSE info 3 int 1 25 0 SSE2 info 3 int 1 26 0 SSE3 info 2 int 1 0 0 SSSE3 info 2 int 1 9..
http://stackoverflow.com/questions/661338/sse-sse2-and-sse3-for-gnu-c SSE2 and SSE3 for GNU C Is there a simple tutorial for me to get.. there a simple tutorial for me to get up to speed in SSE SSE2 and SSE3 in GNU C How can you do code optimization in SSE c..
Fast multiplication/division by 2 for floats and doubles (C/C++) http://stackoverflow.com/questions/7720668/fast-multiplication-division-by-2-for-floats-and-doubles-c-c vectorizes floating point loops effectively forcing arch SSE2 though VC10 even with arch SSE2 is still worse with 3.0 seconds.. effectively forcing arch SSE2 though VC10 even with arch SSE2 is still worse with 3.0 seconds with an inner loop of movsd.. mmword ptr esp eax 8 38h xmm1 inc eax VC10 without arch SSE2 even with arch SSE is 5.3 seconds... with 1 100th of the iterations..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops j Compiled on MS Visual C 10.0 with full optimization and SSE2 enabled for 32 bit on a Intel Core 2 Duo x64 the first example..
C++ Memory Barriers for Atomics http://stackoverflow.com/questions/8841738/c-memory-barriers-for-atomics and IA64 where as _mm_mfence specifically uses the mfence SSE2 instruction so it's not always available. On x86 and x64 MemoryBarrier..
http://stackoverflow.com/questions/981787/good-portable-simd-library a colleague of mine has developed a wrapper around SSE2 Altivec VSX Larrabee and Cell SPE vector operations. It can..
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