On Thursday, 11 June 2020 01:45:53 UTC+1, joe mcguckin wrote: > > Actually, I'd like to turn off all the cpu bug fixes (e.g. row hammer). > It's my understanding that there is a significant performance penalty and I > don't share my machines > with anyone else, so I'm not concerned with information leaking between > processes. > > For Linux, add mitigations=off to the kernel command line. e.g. for Ubuntu put this in /etc/default/grub: GRUB_CMDLINE_LINUX="mitigations=off" then run "update-grub" and reboot.
For virtualization-heavy workloads (network simulations) I've seen in excess of 30% loss in performance from the mitigations. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/574111c4-10b9-4f4a-bd0f-0a16acbc65a5o%40googlegroups.com.
