public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=b2a990f8-b43e-aeb2-70f2-99968f62e9cc@ispras.ru \
    --to=amonakov@ispras.ru \
    --cc=TejasSanjay.Joshi@amd.com \
    --cc=Venkataramanan.Kumar@amd.com \
    --cc=gcc-patches@gcc.gnu.org \
    --cc=honza.hubicka@gmail.com \
    --cc=jakub@redhat.com \
    --cc=richard.guenther@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).