> On 3/31/21 1:08 PM, Jan Hubicka wrote:
> > >
> > > 2021-03-15 Jan Hubicka
> > >
> > > * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
> > > * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
> > > of znver2_cost.
> >
> > I have backported the
On 3/31/21 1:08 PM, Jan Hubicka wrote:
2021-03-15 Jan Hubicka
* config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
* config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
of znver2_cost.
I have backported the patch to gcc10 branch as
>
> 2021-03-15 Jan Hubicka
>
> * config/i386/i386-options.c (processor_cost_table): Add znver3_cost.
> * config/i386/x86-tune-costs.h (znver3_cost): New gobal variable; copy
> of znver2_cost.
I have backported the patch to gcc10 branch as
g:aa99212489545c6c970a8f91b3d37ea646
[AMD Public Use]
Hi Honza,
> -Original Message-
> From: Jan Hubicka
> Sent: Monday, March 22, 2021 4:31 PM
> To: Kumar, Venkataramanan
> Cc: gcc-patches@gcc.gnu.org; mjam...@suse.cz
> Subject: Re: znver3 tuning part 1
>
> [CAUTION: External Email]
>
>
On Mon, Mar 22, 2021 at 12:02 PM Jan Hubicka wrote:
>
> > > Hi,
> > > I plan to commit some retuning of znver3 codegen that is based on real
> > > hardware benchmarks. It turns out that there are not too many changes
> > > necessary sinze Zen3 is quite smooth upgrade to Zen2. In summary:
> > >
>
> > Hi,
> > I plan to commit some retuning of znver3 codegen that is based on real
> > hardware benchmarks. It turns out that there are not too many changes
> > necessary sinze Zen3 is quite smooth upgrade to Zen2. In summary:
> >
> > - some instructions (like idiv) have shorter latencies. Adj
Honza,
Thank you for working on this.
-Original Message-
From: Gcc-patches On Behalf Of Jan
Hubicka
Sent: Monday, March 15, 2021 3:33 PM
To: gcc-patches@gcc.gnu.org; mjam...@suse.cz
Subject: znver3 tuning part 1
[CAUTION: External Email]
Hi,
I plan to commit some retuning of znver3
[AMD Official Use Only - Internal Distribution Only]
Hi Honza,
Thank you for working on this.
> -Original Message-
> From: Gcc-patches On Behalf Of Jan
> Hubicka
> Sent: Monday, March 15, 2021 3:33 PM
> To: gcc-patches@gcc.gnu.org; mjam...@suse.cz
> Subject: zn
Hi,
I plan to commit some retuning of znver3 codegen that is based on real
hardware benchmarks. It turns out that there are not too many changes
necessary sinze Zen3 is quite smooth upgrade to Zen2. In summary:
- some instructions (like idiv) have shorter latencies. Adjusting
costs reduces