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Why can it run on a CPU that does not support AVX2? #1

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zzjianhui opened this issue Jan 4, 2021 · 2 comments
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Why can it run on a CPU that does not support AVX2? #1

zzjianhui opened this issue Jan 4, 2021 · 2 comments

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@zzjianhui
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My CPU does not support AVX2, only support AVX. But it can run hadds.
@Triple-Z
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Triple-Z commented Jan 6, 2021 •
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Which CPU micro-architecture are you using?

Maybe you should check this: https://community.intel.com/t5/Intel-C-Compiler/Illegal-instruction-when-running-AVX-program/td-p/1022837 .

@Triple-Z
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Closed due to inactive for over three months.

@rilysh rilysh mentioned this issue Jan 31, 2023
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@Triple-Z @zzjianhui