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New posts in intrinsics

Is using C++20's std::popcount with vector optimization is equivalent to popcnt intristic?

c++ language-lawyer c++20 intrinsics avx2

How to build 32bit integers from array of 8bit integers using Intel intrinsics?

c intrinsics avx

How can I check if BMI2 instructions are available in my ifunc resolver?

gcc intrinsics bmi

SSE - Non-Existant haddsub intrinsic?

sse simd intrinsics

How do the AVX(2) gather instructions actually compute the fetch address?

c++ simd intrinsics avx avx2

What are the names and meanings of the intrinsic vector element types, like epi64x or pi32?

intel sse intrinsics sse2 mmx

Efficient overflow-immune arithmetic mean in C/C++

c++ c optimization compiler-optimization intrinsics

Why can't Clang get __m128's data by index in constexpr function

c++ clang simd constexpr intrinsics

How to check inf for AVX intrinsic __m256

c++ c sse intrinsics avx

Speed up pixel format conversion - BGR packed to RGB planar

c# arrays image-processing intrinsics pixelformat

How to pack +-1 signs of 8 packed 32-bit integers (in an __m256i) into bytes of a 64-bit integer?

c++ performance simd intrinsics avx2

Intel intrinsics : multiply interleaved 8bit values

c intel sse simd intrinsics

The AVX intrinsic _mm256_rsqrt_ps has much greater relative error than it should have according to the intrinsics guide

c++ floating-point intrinsics avx

What is the availability of 'vector long long'?

64-bit simd intrinsics powerpc altivec

What is the fastest/best way to combine registers with arbitrary lane selections in AVX/SSE?

intel sse intrinsics avx

How does the _mm256_shuffle_epi8 make sense in this Game of Life implementation?

c++ intrinsics avx conways-game-of-life

Convert 16 bits mask to 16 bytes mask

c++ c bit-manipulation sse intrinsics
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