avx

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What happens if I compile my code with AVX instructions, but then run the code on a CPU without AVX extensions?
user_5053080
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2
0
392
avx x86 gcc
Bit-twiddling Wizardry for Index of Min or Max Element in XMM/YMM/ZMM
user_58959880
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5
1
133
avx simd x86 assembly
Manual vectorization using AVX vector intrinsics only runs about the same speed as 4 scalar FP adds on Ryzen?
user_95462170
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5
2
289
avx x86 assembly cpu-architecture c
Why does a loop over an array run faster without optimization vs. gcc -O3? Array was initialized with malloc + zeroing loop
user_15975200
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2
0
80
avx microbenchmark benchmarking gcc performance
Splitting __m256 into two __m128 registers
user_128253100
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2
1
580
avx avx2 intrinsics c
What is the "correct" way to go from avx/sse masks to avx512 masks?
user_30182430
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3
1
568
avx512 avx sse c++
Store lower 16 bits of each AVX 32-bit element to memory
user_3011660
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2
1
338
narrowing avx avx2 intrinsics
SIMD string to unsigned int parsing in C# performance improvement
Dmitri_Nesteruk_94760
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7
3
1006
avx system.numerics simd sse c#
SIMD unpack 12-bit fields to 16-bit
user_152673370
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3
1
558
pixelformat avx avx2 bit-fields c
Why don't wider versions of VDPPD / VDPPS exist, like 512-bit bit?
user_58959880
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2
1
237
avx512 avx simd x86 assembly
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