sse2
64-bit specific simd intrinsic
I am using the following union declaration in SSE2. typedef unsigned long uli; typedef uli v4si __attribute__ ((vector_size(16)));[详细]
2023-01-29 06:46 分类：问答SSE2 instructions not working in inline assembly with C++
I have this function which uses SSE2 to add some values together it\'s supposed to add lhs and rhs together and store the result back into lhs:[详细]
2023-01-25 10:48 分类：问答Converting unsigned chars to float in assembly (to prepare for float vector calculations)
I am trying to optimize a function using SSE2.I\'m wondering if I can prepare the data for my assembly code better than this way.My source data is a bunch of unsigned chars from pSrcData.I copy it to[详细]
2023-01-21 15:06 分类：问答How to optimize a cycle?
I have the following bottleneck function. typedef unsigned char byte; void CompareArrays(const byte * p1S开发者_高级运维tart, const byte * p1End, const byte * p2, byte * p3)[详细]
2023-01-21 12:41 分类：问答Finding a median of 3 values using SSE2 instruction set
My input data is 16-bit data, and I need to find a median of 3 values using SSE2 instruction set. If I have 3 16-bits input values A, B and C, I thought to do it like this:[详细]
2023-01-20 18:55 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Extended (80-bit) double floating point in x87, not SSE2 - we don't miss it?
I was reading today about researchers discovering that NVidia\'s Phys-X libraries use x87 FP vs. SSE2. Obviously this will be suboptimal for parallel datasets where speed trumps precision. However, th[详细]
2023-01-06 07:07 分类：问答numpy calling sse2 via ctypes
In brief, I am trying to call into a shared library from python, more specifically, from numpy. The shared library is implemented in C using sse2 instructions. Enabling optimisation, i.e. building the[详细]
2023-01-03 17:55 分类：问答implement SIMD in C++
I\'m working on a bit of code and I\'m trying to optimize it as much as possible, basically get it running under a certain time limit.[详细]
2022-12-29 03:50 分类：问答Determine processor support for SSE2?
I need to do determine processor support for SSE2 prior installing a software. From what I understand, I came up with this:[详细]
2022-12-22 02:15 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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