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arm64 assembly: LDP vs. LD4 execution time
user_13865476
0
•
asked Jul 4, 2020
7
0
1818
arm64
arm
simd
assembly
performance
With AVX/AVX2/SSE __m128i set all bytes that are negative to -128 (0x80) and leave all other bytes alone
user_11322131
0
•
asked Jun 26, 2020
2
2
517
avx
avx2
simd
sse
NEON: How to I get my SoA 4x quaternion-to-matrix out to array of non-interleaved 4x4 matrices?
user_3758488
0
•
asked Jun 15, 2020
2
1
148
neon
arm
simd
optimization
Test if any byte in an xmm register is 0
user_5626290
0
•
asked Jun 13, 2020
3
1
1149
sse2
simd
x86
assembly
string
Gather / Scatter 16-bit integers using AVX-512
user_8274172
0
•
asked Jun 5, 2020
3
1
555
avx512
simd
c
How to most efficiently store a part of __m128i/__m256i, while ignoring some number of elements from the beginning/end
user_5021064
0
•
asked Jun 3, 2020
3
3
652
avx2
x86-64
simd
x86
Enabling target_feature gated language features when using wasm32 simd intrinsics
user_5102963
0
•
asked May 31, 2020
4
0
548
webassembly
rust
intrinsics
simd
Why floating point registers are different than general purpose ones
Admin
1
•
asked May 27, 2020
3
1
1102
x86-64
simd
floating-point
cpu-registers
SIMD Vectorization of Sobel function on ARM Cortex
user_13616404
0
•
asked May 25, 2020
2
0
303
neon
arm
simd
optimization
c++
find nan in array of doubles using simd
user_764365
0
•
asked May 24, 2020
7
1
428
avx
simd
nan
sse
c
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