Is开发者_Python百科 there an official reference listing the operation of the SSE intrinsic functions for GCC, i.e. the functions in the <*mmintrin.h> header files?As well as Intel\'s vol.2 PDF m
I have a very simple program to multiply four numbers. It works fine when each of them is 10000 but does not if I change them to 10001. The result
Given a vector of three (or four) floats. What is the fastest way to sum them? Is SSE (movaps, shuffle, add, movd) always faster than x87? Are the horizontal-add instructions in SSE3 worth it?
I\'m sure people do this all the time, but I\'m having a hard time here. I\'m passing an array of floats to a JNI function, but t开发者_如何学JAVAhen I\'m intended to use NEON SIMD capabilities of ARM
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I am trying to understand whether my compiler interprets my vector notation as single objects (equivalent to a for loop) or works on multiple data at a time.
I have a basic calculation function that I apply on each item in an array. This function does more then just summing two vectors.
I\'m currently trying to most efficiently do an in-place multiplication of an array of complex numbers (memory aligned the same way the std::complex would be but currently using our own ADT) by an arr
I have two vectors of 4 integers each and I\'d like to use a SIMD command to compare them (say generate a result vector where each ent开发者_JAVA技巧ry is 0 or 1 according to the result of the compari
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