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2
votes
1answer
80 views
Trying to improve and better understand Intel SSE intrinsics
I've been writing a collection of signal processing function optimized with SSE intrinsics (mostly for audio processing). Here is a linear interpolation function I wrote. It works well and is quite ...
2
votes
0answers
173 views
Writing SIMD libraries for C++ on FASM in x86-64 Linux
I have recently started a project of SIMD libraries development for C++ on FASM for x86-64 Linux.
I would be glad to hear any opinion or feedback about the project, cleanness of the code and ...
3
votes
1answer
646 views
SSE2 assembly optimization - multiply unsigned shorts and add the result
I am attempting to optimize a piece of C code which aims to multiply a series of pairs of unsigned shorts and add the result. I am only concerned about the high 16 bits of the result, and I can ...
13
votes
9answers
2k views
Copying 80 bytes as fast as possible
I am running a math-oriented computation that spends a significant amount of its time doing memcpy, always copying 80 bytes from one location to the next, an array of 20 32-bit ints. The total ...
