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How to use AVX intrinsics to compare two vectors of packed double precision in C
user_15861098
0
•
asked Sep 13, 2022
1
2
48
avx512
avx
intrinsics
simd
Why do I get higher Whetstone FLOPS from SiSoft Sandra when I disable extensions (SSE, AVX, FMA)?
user_6474709
0
•
asked Sep 12, 2022
1
0
40
avx
flops
benchmarking
x86
cpu-architecture
AVX512 Vectorizing Modulo Gives Negative Result For Very Large Inputs
user_19785978
0
•
asked Sep 2, 2022
2
0
63
avx
intel
modulo
c++
types
Intrinsic load operation: Unsuited alignment, but the code still runs
user_12461919
0
•
asked Aug 29, 2022
2
0
45
avx
intrinsics
memory-alignment
visual-c++
c++
Does anyone have an example where _mm256_stream_load_si256 (non-tempral load to bypasse cache) actually improves performance?
user_19611016
0
•
asked Aug 27, 2022
5
1
83
avx
hpc
x86
cpu-architecture
performance
Left shift a vector by runtime variable number of bytes
user_997112
0
•
asked Aug 27, 2022
2
1
78
avx
intrinsics
sse
x86
c++
SSE/AVX: using float shuffles + casts as substitute for missing integer shuffle intrinsics?
user_19611016
0
•
asked Aug 22, 2022
1
1
39
avx
sse
x86
Is vzeroupper necessary if only XMM registers are used with AVX?
user_2958774
0
•
asked Aug 17, 2022
2
0
30
avx
simd
x86
How to efficiently perform double/int128 conversions with AVX2?
user_18514153
0
•
asked Aug 10, 2022
2
0
122
avx
floating-point-conversion
simd
floating-point
c++
Why is masking needed before using a pshufb shuffle as a lookup table for nibbles?
user_19039633
0
•
asked Jul 14, 2022
2
1
103
avx
avx2
simd
sse
c++
1
(current)
2
3
4
5
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