** Changed in: ubuntu-power-systems
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1744173
Title:
artful: rfi-flush: Switch to new linear fallback flush
Status in The Ubuntu-power-systems project:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Xenial:
In Progress
Status in linux source package in Artful:
In Progress
Bug description:
Change flush from congruence-first with dependencies to linear with
no dependencies, which increases flush performance by 8x on P8, and
3x on P9 (as measured with null syscall loop, which will have the
flush area in the L2).
The flush also becomes simpler and more adaptable to different cache
geometries.
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