On Thu, Jul 23, 2020 at 05:57:04PM -0700, Andrew Morton wrote:
> On Thu, 23 Jul 2020 14:29:33 +0800 Feng Tang wrote:
>
> > > > gcc has an option '-falign-functions=n' to force text aligned, and with
> > > > that option enabled, some of those performance changes will be gone,
> > > > like [1][2][3
On Thu, 23 Jul 2020 14:29:33 +0800 Feng Tang wrote:
> > > gcc has an option '-falign-functions=n' to force text aligned, and with
> > > that option enabled, some of those performance changes will be gone,
> > > like [1][2][3].
> > >
> > > Add this option so that developers and 0day can easily fi
On Wed, Jul 22, 2020 at 08:39:19PM -0700, Andrew Morton wrote:
> On Thu, 23 Jul 2020 11:30:01 +0800 Feng Tang wrote:
>
> > Recently 0day reported many strange performance changes (regression
> > or improvement), in which there was no obvious relation between
> > the culprit commit and the benchma
Hi Andrew,
Thanks for the review.
On Wed, Jul 22, 2020 at 08:39:19PM -0700, Andrew Morton wrote:
> On Thu, 23 Jul 2020 11:30:01 +0800 Feng Tang wrote:
>
> > Recently 0day reported many strange performance changes (regression
> > or improvement), in which there was no obvious relation between
>
On Thu, 23 Jul 2020 11:30:01 +0800 Feng Tang wrote:
> Recently 0day reported many strange performance changes (regression
> or improvement), in which there was no obvious relation between
> the culprit commit and the benchmark at the first look, and it causes
> people to doubt the test itself is
Recently 0day reported many strange performance changes (regression
or improvement), in which there was no obvious relation between
the culprit commit and the benchmark at the first look, and it causes
people to doubt the test itself is wrong.
Upon further check, many of these cases are caused by
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