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From: Jakub Jelinek <jakub@redhat.com>
To: Nathan Sidwell <nathan@acm.org>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>,
	       Cesar Philippidis <cesar_philippidis@mentor.com>
Subject: Re: [1/3] OpenACC reductions
Date: Wed, 04 Nov 2015 10:31:00 -0000	[thread overview]
Message-ID: <20151104103150.GD478@tucnak.redhat.com> (raw)
In-Reply-To: <5638DA75.8010900@acm.org>

On Tue, Nov 03, 2015 at 11:01:57AM -0500, Nathan Sidwell wrote:
> On 11/03/15 10:46, Jakub Jelinek wrote:
> >On Mon, Nov 02, 2015 at 11:18:37AM -0500, Nathan Sidwell wrote:
> >>This is the core execution bits of OpenACC reductions.
> >>
> >>We have a new internal fn 'IFN_GOACC_REDUCTION' and a new target hook
> >>goacc.reduction, to lower it on the target compiler.
> >
> >So, let me start with a few questions:
> >1) does OpenACC allow UDRs or only the built-in reductions?  If it
> >    does not allow UDRs, do you have it covered by testcases that you
> >    disallow parsing of them (e.g. when you have
> 
> no UDR reductions.  Will check test cases for that.

BTW, what about min/max reductions for C/C++?  Those were added in OpenMP
3.1, so perhaps OpenACC copied them.

	Jakub

  reply	other threads:[~2015-11-04 10:31 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-02 16:10 [0/3] " Nathan Sidwell
2015-10-18 23:20 ` [gomp4] fortran testcase Nathan Sidwell
2015-11-02 16:18 ` [1/3] OpenACC reductions Nathan Sidwell
2015-11-03 15:46   ` Jakub Jelinek
2015-11-03 16:02     ` Nathan Sidwell
2015-11-04 10:31       ` Jakub Jelinek [this message]
2015-11-04 13:58         ` Nathan Sidwell
2015-11-04 14:08           ` Jakub Jelinek
2015-11-04  9:59   ` Jakub Jelinek
2015-11-06 10:47   ` [gomp4] " Thomas Schwinge
2016-01-07  3:55     ` [gomp4] private reductions Cesar Philippidis
2016-01-07 16:53       ` Cesar Philippidis
2016-01-09  1:14       ` Cesar Philippidis
2016-01-11 12:10       ` Thomas Schwinge
2016-01-11 14:55         ` Cesar Philippidis
2021-08-09 11:37   ` [1/3] OpenACC reductions Thomas Schwinge
2015-11-02 16:35 ` [2/3] " Nathan Sidwell
2015-11-04 10:01   ` Jakub Jelinek
2015-11-04 13:57     ` Nathan Sidwell
2015-11-04 13:27   ` Bernd Schmidt
2015-11-04 14:09     ` Nathan Sidwell
2015-11-04 16:59     ` Nathan Sidwell
2015-11-06 10:48       ` [gomp4] " Thomas Schwinge
2015-11-02 16:38 ` [3/3] " Nathan Sidwell
2015-11-04 10:03   ` Jakub Jelinek
2015-11-06 10:49   ` [gomp4] " Thomas Schwinge

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