Hi Bernhard, Bernhard Übelacker wrote: > what CPU is inside the machine producing this cores?
→ grep model /proc/cpuinfo model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz The system is about 2.5 years old. > Could you please check if your CPU supports avx2 instructions. > If an internet search tells me right this line should show > "avx2" for each core if yes: > grep -o 'avx[^ ]*' /proc/cpuinfo → grep -o 'avx[^ ]*' /proc/cpuinfo avx avx2 avx avx2 avx avx2 avx avx2 avx avx2 avx avx2 avx avx2 avx avx2 (I'd say this counts as a yes.) Regards, Axel -- ,''`. | Axel Beckert <a...@debian.org>, https://people.debian.org/~abe/ : :' : | Debian Developer, ftp.ch.debian.org Admin `. `' | 4096R: 2517 B724 C5F6 CA99 5329 6E61 2FF9 CD59 6126 16B5 `- | 1024D: F067 EA27 26B9 C3FC 1486 202E C09E 1D89 9593 0EDE