sse

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_mm256_fmadd_ps is slower than _mm256_mul_ps + _mm256_add_ps?
user_14226240
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2
1
1220
avx micro-optimization simd sse gcc
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
Why VS C++ 2017 compiler use SSE optimization only if iterated pointers are not stored in structure?
user_81320660
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2
0
123
visual-c++-2017 compiler-optimization sse visual-c++ c++
Which are the use case of punpcklbw (interleave in MMX/SSE/AVX)?
user_14473890
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2
1
278
memset disassembly sse assembly compression
x86 SIMD instructions 16 byte alignment in assembly (Without C intrinsics)
user_141529960
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3
1
685
x86-64 simd memory-alignment sse assembly
Expand the lower two 32-bit floats of an xmm register to the whole xmm register
user_141529960
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2
1
176
sse x86 assembly
On x86-64, is the “movnti” or "movntdq" instruction atomic when system crash?
user_148836760
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5
1
521
persistent-memory x86-64 atomic sse cpu-architecture
What is the most efficient way to do unsigned 64 bit comparison on SSE2?
user_39001230
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2
2
438
sse2 simd sse assembly
How could the movdqa/movdqu instruction write an incorrect value to memory?
user_38074170
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2
1
364
xcode-debugger sse xcode x86 assembly
Multiply-add vectorization slower with AVX than with SSE
user_10940440
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5
2
303
avx sse optimization c++ performance
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