CC'ing Peter & Mel. Leaving Artem's email intact so
they can read it :)
On 05/06/2015 06:35 AM, Artem Bityutskiy wrote:
Hi Rik,
we observe a tremendous regression between kernel version 3.16 and 3.17
(and up), and I've bisected it to this commit:
a43455a sched/numa: Ensure task_numa_migrate()
On Wed, 2015-05-06 at 13:35 +0300, Artem Bityutskiy wrote:
> If I take 4.1-rc1 and revert this patch, I observe 300% or more average
> response time improvement comparing to vanilla 3.17.
Sorry, I meant vanilla 4.1-rc1 here, not 3.17.
--
Best Regards,
Artem Bityutskiy
Hi Rik,
we observe a tremendous regression between kernel version 3.16 and 3.17
(and up), and I've bisected it to this commit:
a43455a sched/numa: Ensure task_numa_migrate() checks the preferred node
CC'ing Peter Mel. Leaving Artem's email intact so
they can read it :)
On 05/06/2015 06:35 AM, Artem Bityutskiy wrote:
Hi Rik,
we observe a tremendous regression between kernel version 3.16 and 3.17
(and up), and I've bisected it to this commit:
a43455a sched/numa: Ensure task_numa_migrate()
Hi Rik,
we observe a tremendous regression between kernel version 3.16 and 3.17
(and up), and I've bisected it to this commit:
a43455a sched/numa: Ensure task_numa_migrate() checks the preferred node
On Wed, 2015-05-06 at 13:35 +0300, Artem Bityutskiy wrote:
If I take 4.1-rc1 and revert this patch, I observe 300% or more average
response time improvement comparing to vanilla 3.17.
Sorry, I meant vanilla 4.1-rc1 here, not 3.17.
--
Best Regards,
Artem Bityutskiy
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