Hossein Amiri

Hossein Amiri has asked 16 questions and find answers to 10 problems.

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Life is as long as you can achieve whatever you want, and, is as short as you cannot conceive what really you want.

Hossein Amiri questions

What is the reason for different performance of the same implementation using icc, gcc and clang?
Why this SSE2 program (integers) generate movaps (float)?
What is the fastest way for a multithread SIMD operation explicitly?
How to add an AVX2 vector horizontally 3 by 3?
How to detect the active application using C/java?
WARNING: An illegal reflective access operation has occurred (portable opencv in java)
How to increment a vector in AVX/AVX2
How to divide a __m256i vector by an integer variable?
How to use omp parallel for and omp simd together?
How to concatenate two vector efficiently using AVX2? (a lane-crossing version of VPALIGNR)

Hossein Amiri answers

How to sum all 32-bit or 64-bit sub-registers in an SSE XMM, or AVX YMM, and ZMM register?
How to detect the active application using C/java?
AVX2 float compare and get 0.0 or 1.0 instead of all-0 or all-one bits
Why gcc autovectorization does not work on convolution matrix biger than 3x3?
Is NOT missing from SSE, AVX?
Cannot get OpenCV to compile because of undefined references?
AVX2 integer multiply of signed 8-bit elements, producing signed 16-bit results?