Illegal instruction (core dumped)

[reema...@gmail.com]

Hello Everybody,

I am a new RAxML user. I am trying to run the new version raxml-8.1.20 but getting following error :- 

"Illegal instruction (core dumped)". 

I have tried to search the previous poster AVX issues, but didn't get much help.

I would highly appreciate any suggestion/help on "why I am getting this error" and "How to solve this"

Many Thanks,

Reema

[Alexey Kozlov]

Hello Reema,

does your processor support AVX in the first place?

If you're on linux, you can check it with something like

$ cat /proc/cpuinfo | grep avx

If output is empty (=no avx support), please use SSE3 version instead.

Alexey

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[reema...@gmail.com]

Hello Alexey,

Thanks you for the reply. After recompiling RAxML again with AVX instruction "raxmlHPC-PTHREADS-AVX" working fine.

Regards,

Reema,