On 27/02/2018 09:37, Sandro Bonazzola wrote: > > Virtual Machine settings > A) VM: > Custom CPU Type: Use cluster default(Intel Skylake Family) > General Tab shows: Guest CPU Type: Skylake-Client > > avx512: NO > > B) VM: > Custom CPU Type: Skylake-Client > General Tab shows: Guest CPU Type: Skylake-Client > > avx512: NO > > C) VM: > Custom CPU Type: Use cluster default(Intel Skylake Family) [grey - > cannot modify] > Migration mode: Do not allow migration > Pass-Through Host CPU > General Tab shows: Guest CPU Type: Skylake-Client > > avx512: YES ( cat /proc/cpuinfo |grep avx512: avx512f avx512dq > avx512cd avx512bw avx512vl ) > > Using pass-through host cpu (disabling vm migration) is the only way to > access avx512 in a VM, is it a bug or am I missing something?
Skylake-Client does _not_ have AVX512 (I tried now on a Kaby Lake Core i7 laptop). Only Skylake-Server has it and it will be in RHEL 7.5. Thanks, Paolo _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users

