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From: "dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/89204] -floop-interchange has no effect on Fortran code
Date: Wed, 13 Jan 2021 12:12:24 +0000 [thread overview]
Message-ID: <bug-89204-4-rxwpDnb8qk@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-89204-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89204
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|WORKSFORME |---
Status|RESOLVED |WAITING
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Works for me
What is working for you?
With the original fortran test I get
% gfc pr89204.f90 -O2 -floop-interchange
% time ./a.out
35.970u 0.081s 0:36.76 98.0% 0+0k 0+0io 0pf+0w
If I move the 'i' do loop inside the nested loops I get
% gfc pr89204_db.f90 -O2
% time ./a.out
8.124u 0.025s 0:08.76 92.9% 0+0k 0+0io 0pf+0w
next prev parent reply other threads:[~2021-01-13 12:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-89204-4@http.gcc.gnu.org/bugzilla/>
2021-01-09 9:53 ` mehdi.chinoune at hotmail dot com
2021-01-13 12:12 ` dominiq at lps dot ens.fr [this message]
2021-01-13 13:04 ` rguenth at gcc dot gnu.org
2021-01-13 23:42 ` kargl at gcc dot gnu.org
2023-01-10 16:34 ` [Bug other/89204] " mehdi.chinoune at hotmail dot com
2023-01-10 18:22 ` tkoenig at gcc dot gnu.org
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