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4.3k
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CMake: Enable '/arch:AVX2' in Visual Studio 2013 projects

Published on
#c++ #visual-studio-2013 #cmake #compiler-flags #avx2
279
Views

For some reason serial code runs faster than SIMD code

Published on
#c++ #avx #avx2
1.4k
Views

SSE - AVX conversion from double to char

Published on
#c++ #simd #avx #sse2 #avx2
2.5k
Views

Is it really efficient to use Karatsuba algorithm in 64-bit x 64-bit multiplication?

Published on
#c++ #performance #parallel-processing #simd #avx2
5.2k
Views

How can I convert a vector of float to short int using avx instructions?

Published on
#c++ #c #gcc #avx #avx2
2.8k
Views

Can I use the AVX FMA units to do bit-exact 52 bit integer multiplications?

Published on
#floating-point #x86 #simd #avx2 #fma
1.6k
Views

How to force pointer returned by new operator to be 32-byte aligned

Published on
#c++ #new-operator #avx2
772
Views

Speeding up gather

Published on
#c++ #optimization #simd #avx2
1.8k
Views

Why doesn't MSVC's auto-vectorization use AVX2?

Published on
#c++ #c #visual-studio-2013 #vectorization #avx2
2.7k
Views

Optimal SIMD algorithm to rotate or transpose an array

Published on
#assembly #intel #simd #transpose #avx2
570
Views

AVX2 rotate vector

Published on
#assembly #masm #avx2
2.2k
Views

_mm256_loadu2_m128i intrinsic not available under g++?

Published on
#g++ #intrinsics #avx2
930
Views

Efficient (on Ryzen) way to extract the odd elements of a __m256 into a __m128?

Published on
#c++ #vectorization #x86-64 #sse #avx2
1.8k
Views

Having 4 bits, how to produce a mask for AVX register?

Published on
#c++ #bit-manipulation #vectorization #x86-64 #avx2
424
Views

SIMD -> uint16_t array to float array work on float then back to uint16_t

Published on
#c++ #linux #simd #avx #avx2
1.5k
Views

Unpack m128i/m256i to m64 (MMX, SSE2, AVX2)

Published on
#x86 #sse #simd #intrinsics #avx2
1.7k
Views

Efficient way to set first N or last N bits of __m256i to 1, the rest to 0

Published on
#c++ #bit-manipulation #vectorization #x86-64 #avx2
3.6k
Views

Bitwise NOT/complement in AVX2

Published on
#c++ #bit-manipulation #vectorization #x86-64 #avx2
484
Views

AVX512 Vector Multiplication Speed

Published on
#c++ #avx #avx2 #avx512
332
Views

Using SIMD, how do I conditionally move only the pixels with an alpha channel value of 255?

Published on
#c #x86 #simd #avx2

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