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[$] Transparent huge pages, NUMA locality, and performance regressions

lundi 6 mai 2019, 19:15 , par
Sometimes, the kernel's no-regression rule may not have the desired
result. Andrea Arcangeli led a session at the 2019 Linux Storage,
Filesystem, and Memory-Management Summit to make the point that the recent
reversion of a fix after a performance regression was reported has led to
worse performance overall — with, as is his wont, a lot of technical
information to back up that point. With a wider understanding of what is at
stake here, he hopes, the reversion can itself be reverted.
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Date Actuelle
mar. 1 déc. - 21:52 CET