On Wed, 21 Oct 2020 at 16:10, Richard Biener wrote:
>
> On Wed, Oct 21, 2020 at 12:04 PM Prathamesh Kulkarni
> wrote:
> >
> > On Thu, 24 Sep 2020 at 16:44, Richard Biener
> > wrote:
> > >
> > > On Thu, Sep 24, 2020 at 12:36 PM Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Wed, 23 Sep
On Wed, Oct 21, 2020 at 12:04 PM Prathamesh Kulkarni
wrote:
>
> On Thu, 24 Sep 2020 at 16:44, Richard Biener
> wrote:
> >
> > On Thu, Sep 24, 2020 at 12:36 PM Prathamesh Kulkarni
> > wrote:
> > >
> > > On Wed, 23 Sep 2020 at 16:40, Richard Biener
> > > wrote:
> > > >
> > > > On Wed, Sep 23,
On Thu, 24 Sep 2020 at 16:44, Richard Biener wrote:
>
> On Thu, Sep 24, 2020 at 12:36 PM Prathamesh Kulkarni
> wrote:
> >
> > On Wed, 23 Sep 2020 at 16:40, Richard Biener
> > wrote:
> > >
> > > On Wed, Sep 23, 2020 at 12:11 PM Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Wed, 23 Sep
On Thu, Sep 24, 2020 at 12:36 PM Prathamesh Kulkarni
wrote:
>
> On Wed, 23 Sep 2020 at 16:40, Richard Biener
> wrote:
> >
> > On Wed, Sep 23, 2020 at 12:11 PM Prathamesh Kulkarni
> > wrote:
> > >
> > > On Wed, 23 Sep 2020 at 13:22, Richard Biener
> > > wrote:
> > > >
> > > > On Tue, Sep 22,
On Wed, 23 Sep 2020 at 16:40, Richard Biener wrote:
>
> On Wed, Sep 23, 2020 at 12:11 PM Prathamesh Kulkarni
> wrote:
> >
> > On Wed, 23 Sep 2020 at 13:22, Richard Biener
> > wrote:
> > >
> > > On Tue, Sep 22, 2020 at 6:25 PM Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Tue, 22 Sep
On Wed, Sep 23, 2020 at 12:11 PM Prathamesh Kulkarni
wrote:
>
> On Wed, 23 Sep 2020 at 13:22, Richard Biener
> wrote:
> >
> > On Tue, Sep 22, 2020 at 6:25 PM Prathamesh Kulkarni
> > wrote:
> > >
> > > On Tue, 22 Sep 2020 at 16:36, Richard Biener
> > > wrote:
> > > >
> > > > On Tue, Sep 22,
On Wed, 23 Sep 2020 at 13:22, Richard Biener wrote:
>
> On Tue, Sep 22, 2020 at 6:25 PM Prathamesh Kulkarni
> wrote:
> >
> > On Tue, 22 Sep 2020 at 16:36, Richard Biener
> > wrote:
> > >
> > > On Tue, Sep 22, 2020 at 11:37 AM Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Tue, 22 Sep
On Tue, Sep 22, 2020 at 6:25 PM Prathamesh Kulkarni
wrote:
>
> On Tue, 22 Sep 2020 at 16:36, Richard Biener
> wrote:
> >
> > On Tue, Sep 22, 2020 at 11:37 AM Prathamesh Kulkarni
> > wrote:
> > >
> > > On Tue, 22 Sep 2020 at 12:56, Richard Biener
> > > wrote:
> > > >
> > > > On Tue, Sep 22,
On Tue, 22 Sep 2020 at 16:36, Richard Biener wrote:
>
> On Tue, Sep 22, 2020 at 11:37 AM Prathamesh Kulkarni
> wrote:
> >
> > On Tue, 22 Sep 2020 at 12:56, Richard Biener
> > wrote:
> > >
> > > On Tue, Sep 22, 2020 at 7:08 AM Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Mon, 21 Sep
On Tue, Sep 22, 2020 at 11:37 AM Prathamesh Kulkarni
wrote:
>
> On Tue, 22 Sep 2020 at 12:56, Richard Biener
> wrote:
> >
> > On Tue, Sep 22, 2020 at 7:08 AM Prathamesh Kulkarni
> > wrote:
> > >
> > > On Mon, 21 Sep 2020 at 18:14, Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Mon, 21
On Tue, 22 Sep 2020 at 12:56, Richard Biener wrote:
>
> On Tue, Sep 22, 2020 at 7:08 AM Prathamesh Kulkarni
> wrote:
> >
> > On Mon, 21 Sep 2020 at 18:14, Prathamesh Kulkarni
> > wrote:
> > >
> > > On Mon, 21 Sep 2020 at 15:19, Prathamesh Kulkarni
> > > wrote:
> > > >
> > > > On Fri, 4 Sep
On Tue, Sep 22, 2020 at 7:08 AM Prathamesh Kulkarni
wrote:
>
> On Mon, 21 Sep 2020 at 18:14, Prathamesh Kulkarni
> wrote:
> >
> > On Mon, 21 Sep 2020 at 15:19, Prathamesh Kulkarni
> > wrote:
> > >
> > > On Fri, 4 Sep 2020 at 17:08, Alexander Monakov wrote:
> > > >
> > > > > I obtained perf
On Mon, 21 Sep 2020 at 18:14, Prathamesh Kulkarni
wrote:
>
> On Mon, 21 Sep 2020 at 15:19, Prathamesh Kulkarni
> wrote:
> >
> > On Fri, 4 Sep 2020 at 17:08, Alexander Monakov wrote:
> > >
> > > > I obtained perf stat results for following benchmark runs:
> > > >
> > > > -O2:
> > > >
> > > >
On Mon, 21 Sep 2020 at 15:19, Prathamesh Kulkarni
wrote:
>
> On Fri, 4 Sep 2020 at 17:08, Alexander Monakov wrote:
> >
> > > I obtained perf stat results for following benchmark runs:
> > >
> > > -O2:
> > >
> > > 7856832.692380 task-clock (msec) #1.000 CPUs utilized
> > >
On Fri, 4 Sep 2020 at 17:08, Alexander Monakov wrote:
>
> > I obtained perf stat results for following benchmark runs:
> >
> > -O2:
> >
> > 7856832.692380 task-clock (msec) #1.000 CPUs utilized
> > 3758 context-switches #0.000 K/sec
>
> I obtained perf stat results for following benchmark runs:
>
> -O2:
>
> 7856832.692380 task-clock (msec) #1.000 CPUs utilized
> 3758 context-switches #0.000 K/sec
> 40 cpu-migrations #
On Mon, 31 Aug 2020 at 16:53, Prathamesh Kulkarni
wrote:
>
> On Fri, 28 Aug 2020 at 17:33, Alexander Monakov wrote:
> >
> > On Fri, 28 Aug 2020, Prathamesh Kulkarni via Gcc wrote:
> >
> > > I wonder if that's (one of) the main factor(s) behind slowdown or it's
> > > not too relevant ?
> >
> >
> Thanks for the suggestions.
> Is it possible to modify assembly files emitted after ltrans phase ?
> IIUC, the linker invokes lto1 twice, for wpa and ltrans,and then links
> the obtained object files which doesn't make it possible to hand edit
> assembly files post ltrans ?
> In particular, I
On Fri, 28 Aug 2020 at 17:33, Alexander Monakov wrote:
>
> On Fri, 28 Aug 2020, Prathamesh Kulkarni via Gcc wrote:
>
> > I wonder if that's (one of) the main factor(s) behind slowdown or it's
> > not too relevant ?
>
> Probably not. Some advice to make your search more directed:
>
> Pass '-n' to
On Fri, 28 Aug 2020 at 17:27, Richard Biener wrote:
>
> On Fri, Aug 28, 2020 at 1:17 PM Prathamesh Kulkarni
> wrote:
> >
> > On Wed, 26 Aug 2020 at 16:50, Richard Biener
> > wrote:
> > >
> > > On Wed, Aug 26, 2020 at 12:34 PM Prathamesh Kulkarni via Gcc
> > > wrote:
> > > >
> > > > Hi,
> > >
On Fri, 28 Aug 2020, Prathamesh Kulkarni via Gcc wrote:
> I wonder if that's (one of) the main factor(s) behind slowdown or it's
> not too relevant ?
Probably not. Some advice to make your search more directed:
Pass '-n' to 'perf report'. Relative sample ratios are hard to reason about
when
On Fri, Aug 28, 2020 at 1:17 PM Prathamesh Kulkarni
wrote:
>
> On Wed, 26 Aug 2020 at 16:50, Richard Biener
> wrote:
> >
> > On Wed, Aug 26, 2020 at 12:34 PM Prathamesh Kulkarni via Gcc
> > wrote:
> > >
> > > Hi,
> > > We're seeing a consistent regression >10% on calculix with -O2 -flto vs
>
On Wed, 26 Aug 2020 at 16:50, Richard Biener wrote:
>
> On Wed, Aug 26, 2020 at 12:34 PM Prathamesh Kulkarni via Gcc
> wrote:
> >
> > Hi,
> > We're seeing a consistent regression >10% on calculix with -O2 -flto vs -O2
> > on aarch64 in our validation CI. I tried to investigate this issue a
> >
On Wed, Aug 26, 2020 at 12:34 PM Prathamesh Kulkarni via Gcc
wrote:
>
> Hi,
> We're seeing a consistent regression >10% on calculix with -O2 -flto vs -O2
> on aarch64 in our validation CI. I tried to investigate this issue a
> bit, and it seems the regression comes from inlining of orthonl into
>
Hi,
We're seeing a consistent regression >10% on calculix with -O2 -flto vs -O2
on aarch64 in our validation CI. I tried to investigate this issue a
bit, and it seems the regression comes from inlining of orthonl into
e_c3d. Disabling that brings back the performance. However, inlining
orthonl
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