sse

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SSE3 instructions in F#

How do I parallelize my F# program using SSE3 instruction set? Does 开发者_开发技巧the F# compiler support it? .Net doesn\'t talk to the hardware at that level. If you want explicit control over the i[详细]

2023-01-21 14:37 分类：问答
How To Store Values In Non-Contiguous Memory Locations With SSE Intrinsics?

I\'m very new to SSE and have optimized a section of code using intrinsics. I\'m pleased with the operation itself, but I\'m looking for a better way to write the result. The results end up in three _[详细]

2023-01-20 09:40 分类：问答
DPPS on older version GCC

Hei! I need to op开发者_JAVA百科timize some matrix multiplication code in c, and I\'m doing it using SSE vector instructions. I also found that there exists SSE4.1 that already has instruction for do[详细]

2023-01-20 09:20 分类：问答
An SSE Stdlib-esque Library?

Generally everything I come across \'on-the-net\' with relation to SSE/MMX comes out as maths stuff for vectors and matracies. However, I\'m looking for libraries of SSE optimized \'standard functions[详细]

2023-01-19 05:16 分类：问答
NASM 64 bit immediate address for movlps gives "dword data exceeds bounds"

I need the instruction movlps with an immediate address that be 64 bits wide,开发者_开发技巧 which according to Intel manuals should be perfectly possible. So, something like this:[详细]

2023-01-13 22:22 分类：问答
SSE access violation

I have the code: float *mu_x_ptr; __m128 *tmp; __m128 *mm_mu_x; mu_x_ptr = _aligned_malloc(4*sizeof(float), 16);[详细]

2023-01-10 04:24 分类：问答
Compute the absolute difference between unsigned integers using SSE

In C is there a branch-less technique to compute the absolute difference between two unsigned ints? For e开发者_如何转开发xample given the variables a and b, I would like the value 2 for cases when a=[详细]

2023-01-09 13:44 分类：问答
SSE2 intrinsics: access memory directly

Many SSE instructions allow th开发者_StackOverflow中文版e source operand to be a 16-byte aligned memory address. For example, the various (un)pack instructions. PUNCKLBW has the following signature:[详细]

2023-01-09 01:46 分类：问答
Ensure compiler always use SSE sqrt instruction

I\'m trying to get GCC (or clang) to consistently use the SSE instruction for sqrt instead of the math library function for a computationally intensive scientific application. I\'ve tried a variety of[详细]

2023-01-08 00:54 分类：问答
SSE Alignment with class

Having some really weird problem and as beginner with c++ I don\'t know why. struct DeviceSettings { public:[详细]

2023-01-07 03:59 分类：问答