sse

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Why this unnecessary MOVAPD copy in gcc 9.1, in a tiny function
user_58788760
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5
1
139
x86-64 micro-optimization sse assembly gcc
If both vmovaps and vmovapd instructions copy a whole XMM register into another, why do both of them exist?
user_83245850
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3
0
326
instruction-set sse x86 assembly
With AVX/AVX2/SSE __m128i set all bytes that are negative to -128 (0x80) and leave all other bytes alone
user_113221310
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2
2
517
avx avx2 simd sse
Mixing SSE with AVX128 for shorter instructions?
user_4591500
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3
1
255
avx micro-optimization sse x86 assembly
What is the point of SSE2 instructions such as orpd?
user_14550160
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6
1
274
instruction-set sse2 sse x86 assembly
How can I effectively time the execution of a function that's only a few cycles long?
user_76192600
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2
2
103
intrinsics microbenchmark benchmarking sse c
find nan in array of doubles using simd
user_7643650
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7
1
428
avx simd nan sse c
SIMD instructions on contiguous iterators
user_70924840
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2
1
169
intrinsics simd sse iterator c++
Best way to do a packed 16 element blend using SSE
user_31638310
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9
0
258
x86-64 sse intel x86 assembly
Is there a way to force visual studio to generate aligned sse intrinsics
user_19094550
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3
0
198
intrinsics memory-alignment sse visual-studio visual-c++
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