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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/100497] [OpenMP][nvptx] libgomp.c-c++-common/reduction-5.c - fails on some nvptx systems
Date: Tue, 11 May 2021 09:32:05 +0000 [thread overview]
Message-ID: <bug-100497-4-NEeQQLYvCx@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-100497-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100497
--- Comment #9 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tobias Burnus from comment #8)
> I am wondering whether it has something to do with shfl now requiring .sync,
> especially for sm_70. (Non-sync version was deprecated in ISA 6.0 and for
> sm_70 removed in ISA 6.4.)
> Cross ref: PR96005.
Could be. Posted a tentative patch at that PR, you could try that out.
Still, only root cause analysis can get us ... the root cause. I can try to do
that if you provide me with access to one of the volta machines. Otherwise,
can you or somebody else with access to these machines do that? I could coach
the effort a bit, if necessary.
next prev parent reply other threads:[~2021-05-11 9:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 9:00 [Bug target/100497] New: " burnus at gcc dot gnu.org
2021-05-10 10:44 ` [Bug target/100497] " vries at gcc dot gnu.org
2021-05-10 13:04 ` burnus at gcc dot gnu.org
2021-05-10 15:04 ` vries at gcc dot gnu.org
2021-05-10 15:07 ` vries at gcc dot gnu.org
2021-05-10 15:08 ` vries at gcc dot gnu.org
2021-05-10 16:21 ` burnus at gcc dot gnu.org
2021-05-10 17:37 ` vries at gcc dot gnu.org
2021-05-10 19:56 ` burnus at gcc dot gnu.org
2021-05-11 9:32 ` vries at gcc dot gnu.org [this message]
2021-05-11 12:58 ` burnus at gcc dot gnu.org
2021-05-11 13:00 ` jakub at gcc dot gnu.org
2021-05-12 11:21 ` vries at gcc dot gnu.org
2021-05-17 15:50 ` vries at gcc dot gnu.org
2021-05-17 18:21 ` cvs-commit at gcc dot gnu.org
2021-05-17 18:23 ` vries at gcc dot gnu.org
2021-05-17 18:24 ` vries at gcc dot gnu.org
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