From: Alexander Monakov <amonakov@ispras.ru>
To: "Kumar, Venkataramanan" <Venkataramanan.Kumar@amd.com>
Cc: Jakub Jelinek <jakub@redhat.com>,
Richard Biener <richard.guenther@gmail.com>,
"Joshi, Tejas Sanjay" <TejasSanjay.Joshi@amd.com>,
"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
"honza.hubicka@gmail.com" <honza.hubicka@gmail.com>
Subject: RE: [PATCH] [X86_64]: Enable support for next generation AMD Zen4 CPU
Date: Mon, 24 Oct 2022 17:26:55 +0300 (MSK) [thread overview]
Message-ID: <b2a990f8-b43e-aeb2-70f2-99968f62e9cc@ispras.ru> (raw)
In-Reply-To: <DM6PR12MB3081F07F39792673CC2B218D8F2F9@DM6PR12MB3081.namprd12.prod.outlook.com>
> > > 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
By the way, it appears pre-existing znver[123] models are also causing some kind
of combinatorial blow-up, but before znver4 it was not a blocking issue:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87832
Alexander
next prev parent reply other threads:[~2022-10-24 14:26 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 15:32 Joshi, Tejas Sanjay
2022-10-16 17:48 ` Uros Bizjak
2022-10-17 14:39 ` Joshi, Tejas Sanjay
2022-10-21 9:59 ` Kumar, Venkataramanan
2022-10-21 11:51 ` Richard Biener
2022-10-21 12:52 ` Jan Hubicka
2022-10-21 14:02 ` Joshi, Tejas Sanjay
2022-10-21 17:59 ` Joshi, Tejas Sanjay
2022-10-22 17:11 ` Jakub Jelinek
2022-10-23 14:29 ` Kumar, Venkataramanan
2022-10-24 14:26 ` Alexander Monakov [this message]
2022-10-24 14:40 ` Jan Hubička
2022-10-24 18:47 ` Alexander Monakov
2022-10-26 18:07 ` Kumar, Venkataramanan
2022-10-26 18:23 ` Alexander Monakov
2022-10-31 10:39 ` Joshi, Tejas Sanjay
2022-10-31 10:59 ` Jan Hubička
2022-11-01 12:22 ` Alexander Monakov
2022-10-25 9:17 ` Joshi, Tejas Sanjay
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