> Prentice Bisbal <pbis...@pppl.gov> wrote: > >> Beowulfers, >> >> Have any of you updated the kernels on your clusters to fix the >> Spectre and Meltdown vulnerabilities? I was following this issue >> closely for the first couple of weeks. There seemed to be a lack of >> consensus on how much these fixed would impact HPC jobs, and if I >> recall correctly, some of the patches really hurt performance, or >> caused other problems. We took a wait-and-see approach here. So now >> that I've waited a while, what did you see?
Hi all, Interesting analysis by my new mentor Tim over here at The Next Platform, especially around I/O challenges: https://twitter.com/jamesdotcuff/status/974721256481226752 Love his editorial note: "We will say it again: Run your own tests before and after applying the Spectre and Meltdown patches" Best, j. -- Dr. James Cuff The Next Platform https://twitter.com/jamesdotcuff https://linkedin.com/in/jamesdotcuff _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
