RE: [PATCH] [X86_64]: Enable support for next generation AMD Zen4 CPU

["Kumar, Venkataramanan" <Venkataramanan.Kumar@amd.com>]

[AMD Official Use Only - General]

Hi Richi and Jakub

> -----Original Message-----
> From: Jakub Jelinek <jakub@redhat.com>
> Sent: Saturday, October 22, 2022 10:41 PM
> To: Richard Biener <richard.guenther@gmail.com>
> Cc: Kumar, Venkataramanan <Venkataramanan.Kumar@amd.com>; Joshi,
> Tejas Sanjay <TejasSanjay.Joshi@amd.com>; gcc-patches@gcc.gnu.org;
> honza.hubicka@gmail.com
> Subject: Re: [PATCH] [X86_64]: Enable support for next generation AMD
> Zen4 CPU
>
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
> On Fri, Oct 21, 2022 at 01:51:55PM +0200, Richard Biener via Gcc-patches
> wrote:
> > > > > BTW: Perhaps znver1.md is not the right filename anymore, since
> > > > > it hosts
> > > > all four Zen schedulers.
> > > >
> > > > I have renamed the file to znver.md in this revision, PFA.
> > > > Thank you for the review, we will push it for trunk if we don't
> > > > get any further comments.
> > >
> > > I have pushed the patch on behalf of Tejas.
> >
> > This grew insn-automata.cc from 201502 lines to 639968 lines and the
> > build of the automata (genautomata) to several minutes in my dev tree.
>
> Yeah, in my unoptimized non-bootstrapped development tree genautomata
> now takes over 12 minutes on a fast box, that is simply not acceptable.

Thank you for notifying us.

TejasSanjay.Joshi@amd.com has posted a patch for review to fix this (as per Honza's comments).
Ref: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/604144.html

Sorry for the inconvenience caused.

Regards,
Venkat.

>
>         Jakub