All, Mmm ... maybe I am missing something, but for an HPC cluster-specific solution ... how about skipping the fixes, and simply requiring all compute node jobs to run in exclusive mode and then zero-ing out user memory between jobs ... ??
Individual job performance would be preserved, while there would be “only” a system throughput performance degradation. Is it clear that this is measurably worse ... ?? Richard Walsh Thrashing River Computing Sent from my iPhone > On Jan 7, 2018, at 3:29 PM, Christopher Samuel <ch...@csamuel.org> wrote: > >> On 07/01/18 23:22, Jörg Saßmannshausen wrote: >> >> the first court cases against Intel have been filed: > > These would have to be Meldown related then, given that Spectre is so > widely applicable. > > Greg K-H has a useful post up about the state of play with the various > Linux kernel patches for mainline and stable kernels here: > > http://kroah.com/log/blog/2018/01/06/meltdown-status/ > > He also mentioned about the Meltdown patches for ARM64: > > # Right now the ARM64 set of patches for the Meltdown issue are not > # merged into Linus’s tree. They are staged and ready to be merged into > # 4.16-rc1 once 4.15 is released in a few weeks. Because these patches > # are not in a released kernel from Linus yet, I can not backport them > # into the stable kernel releases (hey, we have rules for a reason...) > # > # Due to them not being in a released kernel, if you rely on ARM64 for > # your systems (i.e. Android), I point you at the Android Common Kernel > # tree All of the ARM64 fixes have been merged into the 3.18, 4.4, and > # 4.9 branches as of this point in time. > > All the best, > Chris > -- > Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC > _______________________________________________ > 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 _______________________________________________ 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
