intrinsics

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How to best emulate the logical meaning of _mm_slli_si128 (128-bit bit-shift), not _mm_bslli_si128
user_43084380
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4
2
706
intrinsics sse2 simd sse c
Is _mm_prefetch asynchronous? Profiling shows a lot of cycles on it
user_43941690
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2
1
234
intrinsics prefetch x86 c++ performance
How to unset N right-most set bits
user_4075280
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5
1
448
integer-arithmetic intrinsics bit-manipulation
CUDA half float operations without explicit intrinsics
user_3011660
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2
1
292
half-precision-float nvcc fma intrinsics cuda
Understanding `_mm_prefetch`
user_43941690
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3
2
1450
intrinsics micro-optimization prefetch c++ performance
Analog of _mm256_cmp_epi32_mask for AVX2
user_43941690
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2
1
232
avx2 intrinsics optimization c++ performance
Is using C++20's std::popcount with vector optimization is equivalent to popcnt intristic?
user_81813780
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2
1
930
avx2 c++20 intrinsics language-lawyer c++
Multiply vectors of 32 bit integers, taking only high 32 bits
user_71542410
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2
1
389
avx512 intrinsics low-level c++
C++ operator[] access to elements of SIMD (e.g. AVX) variable
user_89677900
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4
3
736
avx intrinsics simd c++
8 Bit LERP with SSE
user_14427670
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3
1
327
lerp intrinsics x86-64 simd sse
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