[Users] Einstein Toolkit Meeting Reminder

[Erik Schnetter]

Bruno

GPUs are supported and are working fine. A WaveToy is working, but I
haven't tested it in the past weeks. The Einstein equations require
more work to be efficient on GPUs.

-erik

On Thu, Jun 3, 2021 at 9:29 AM Bruno Giacomazzo
<bruno.giacomazzo at unimib.it> wrote:
>
> Roland and Erik,
>   thanks a lot for the explanation. I saw the release notes with CUDA listed in the larger changes and this is why I asked.
>
> Erik, does CarpetX already support GPU via AMReX or is more work needed?
>
> Thanks,
> Bruno
>
>
> Il giorno gio 3 giu 2021 alle ore 14:35 Erik Schnetter <schnetter at cct.lsu.edu> ha scritto:
>>
>> To my knowledge, the improved support means that it is now possible to
>> mix CUDA and C++ code in the same source files. That is, you can
>> compile C++ code with a CUDA compiler, which will pass on the C++ bits
>> to the regular C++ compiler while extracting the CUDA code. This is
>> merely a technical improvement of the make system that makes it easier
>> to write one version code that can run on both a CPU or a GPU, instead
>> of having to write two separate versions of the code.
>>
>> The real CUDA-related work happened in CarpetX
>> <https://bitbucket.org/eschnett/cactusamrex/>, which is not part of
>> the Einstein Toolkit yet. But we're getting there!
>>
>> -erik
>>
>> On Thu, Jun 3, 2021 at 3:40 AM Bruno Giacomazzo
>> <bruno.giacomazzo at unimib.it> wrote:
>> >
>> > would it be possible to have a (short) summary of the CUDA support introduced in the latest release?
>> >
>> > Thanks,
>> > Bruno
>> >
>> > Il giorno gio 3 giu 2021 alle ore 00:15 <users at einsteintoolkit.org> ha scritto:
>> >>
>> >> Hello,
>> >>
>> >> Please consider joining the weekly Einstein Toolkit phone call at
>> >> 9:00 am US central time on Thursdays. For details on how to connect
>> >> and what agenda items are to be discussed, use the link below.
>> >>
>> >> https://docs.einsteintoolkit.org/et-docs/Main_Page#Weekly_Users_Call
>> >>
>> >> --The Maintainers
>> >> _______________________________________________
>> >> Users mailing list
>> >> Users at einsteintoolkit.org
>> >> http://lists.einsteintoolkit.org/mailman/listinfo/users
>> >
>> >
>> >
>> > --
>> >
>> > Prof. Bruno Giacomazzo
>> > Department of Physics
>> > University of Milano-Bicocca
>> > Piazza della Scienza 3
>> > 20126 Milano
>> > Italy
>> >
>> > email: bruno.giacomazzo at unimib.it
>> > phone: (+39) 02 6448 2321
>> > web: http://www.brunogiacomazzo.org
>> >
>> > ----------------------------------------------------------------------
>> > There are only 10 types of people in the world:
>> > Those who understand binary, and those who don't
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>> >
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>>
>>
>> --
>> Erik Schnetter <schnetter at cct.lsu.edu>
>> http://www.perimeterinstitute.ca/personal/eschnetter/
>
>
>
> --
>
> Prof. Bruno Giacomazzo
> Department of Physics
> University of Milano-Bicocca
> Piazza della Scienza 3
> 20126 Milano
> Italy
>
> email: bruno.giacomazzo at unimib.it
> phone: (+39) 02 6448 2321
> web: http://www.brunogiacomazzo.org
>
> ----------------------------------------------------------------------
> There are only 10 types of people in the world:
> Those who understand binary, and those who don't
> ----------------------------------------------------------------------
>
> _______________________________________________
> Users mailing list
> Users at einsteintoolkit.org
> http://lists.einsteintoolkit.org/mailman/listinfo/users



-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/