From: Andrew Stubbs <ams@codesourcery.com>
To: Tobias Burnus <tobias@codesourcery.com>,
gcc-patches <gcc-patches@gcc.gnu.org>,
Gerald Pfeifer <gerald@pfeifer.com>,
Thomas Schwinge <thomas@codesourcery.com>
Subject: Re: [wwwdocs] gcc-12/changes.html (GCN): >1 workers per gang
Date: Wed, 2 Feb 2022 16:23:31 +0000 [thread overview]
Message-ID: <4364eaef-d446-eac6-17ed-6736075658ba@codesourcery.com> (raw)
In-Reply-To: <610ab036-8d0d-c9a9-8010-7825f8fb97dd@codesourcery.com>
On 02/02/2022 15:39, Tobias Burnus wrote:
> On 09.08.21 15:55, Tobias Burnus wrote:
>> Now that the GCN/OpenACC patches for this have been committed today,
>> I think it makes sense to add it to the documentation.
>> (I was told that some follow-up items are still pending, but as
>> the feature does work ...)
>
> I think the follow-up patches have now been committed.
> How about the attached patch?
We should probably add a qualification "(up to a limit of 40 wavefronts
in total, per CU)" or else were suggesting that there can be 40
workgroups of 16 wavefronts, which the hardware will not do.
Andrew
next prev parent reply other threads:[~2022-02-02 16:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-09 13:55 Tobias Burnus
2021-08-09 14:27 ` Thomas Schwinge
2021-08-10 10:10 ` Tobias Burnus
2021-08-16 8:34 ` Stubbs, Andrew
2021-08-16 9:28 ` Thomas Schwinge
2021-08-09 18:53 ` Gerald Pfeifer
2022-02-02 15:39 ` Tobias Burnus
2022-02-02 16:23 ` Andrew Stubbs [this message]
2022-02-02 17:54 ` Tobias Burnus
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