public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/95654] nvptx offloading: FAIL: libgomp.fortran/pr66199-5.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
Date: Thu, 17 Sep 2020 13:53:35 +0000	[thread overview]
Message-ID: <bug-95654-4-fN7XI7A3JK@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-95654-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95654

--- Comment #12 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #7)
> Minimal example after commit 91347c3bbf7 "Fortran: OpenMP - fix simd with
> (last)private (PR97061)":
> ...
> ! { dg-do run }                                                             
> 
> program main
>   implicit none
>   integer :: d1
>   !$omp target map(from: d1)                                                
> 
>   !$omp teams distribute parallel do simd default(none) lastprivate(d1)     
> 
>   do d1 = 0, 31
>   end do
>   !$omp end target                                                          
> 
>   if (d1 /= 32) stop 3
> end program
> ...

To further reduce: set num_teams to 2, and num_threads to 1:
...
  !$omp teams distribute parallel do simd default(none) lastprivate(d1)
num_teams (2) num_threads (1)
...
Makes it easier to reason about the code.

  parent reply	other threads:[~2020-09-17 13:53 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-12 11:33 [Bug fortran/95654] New: " tschwinge at gcc dot gnu.org
2020-06-12 14:18 ` [Bug fortran/95654] " tschwinge at gcc dot gnu.org
2020-06-12 15:40 ` burnus at gcc dot gnu.org
2020-09-09 11:27 ` burnus at gcc dot gnu.org
2020-09-15 23:29 ` burnus at gcc dot gnu.org
2020-09-16  7:24 ` burnus at gcc dot gnu.org
2020-09-16 13:23 ` vries at gcc dot gnu.org
2020-09-16 13:33 ` vries at gcc dot gnu.org
2020-09-16 15:54 ` vries at gcc dot gnu.org
2020-09-16 15:57 ` vries at gcc dot gnu.org
2020-09-16 21:11 ` burnus at gcc dot gnu.org
2020-09-17  9:33 ` burnus at gcc dot gnu.org
2020-09-17 10:20 ` vries at gcc dot gnu.org
2020-09-17 13:53 ` vries at gcc dot gnu.org [this message]
2020-09-17 15:19 ` vries at gcc dot gnu.org
2020-09-22 17:16 ` cvs-commit at gcc dot gnu.org
2020-09-25  8:55 ` burnus at gcc dot gnu.org
2020-10-05  6:54 ` cvs-commit at gcc dot gnu.org
2020-10-05  7:01 ` vries at gcc dot gnu.org
2020-10-05  7:01 ` vries at gcc dot gnu.org

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=bug-95654-4-fN7XI7A3JK@http.gcc.gnu.org/bugzilla/ \
    --to=gcc-bugzilla@gcc.gnu.org \
    --cc=gcc-bugs@gcc.gnu.org \
    /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).