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 <[email protected]> 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 > <[email protected]> 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 >> <[email protected]> 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 <[email protected]> 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 >> >> [email protected] >> >> 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: [email protected] >> > 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 >> > [email protected] >> > http://lists.einsteintoolkit.org/mailman/listinfo/users >> >> >> >> -- >> Erik Schnetter <[email protected]> >> http://www.perimeterinstitute.ca/personal/eschnetter/ > > > > -- > > Prof. Bruno Giacomazzo > Department of Physics > University of Milano-Bicocca > Piazza della Scienza 3 > 20126 Milano > Italy > > email: [email protected] > 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 > [email protected] > http://lists.einsteintoolkit.org/mailman/listinfo/users -- Erik Schnetter <[email protected]> http://www.perimeterinstitute.ca/personal/eschnetter/ _______________________________________________ Users mailing list [email protected] http://lists.einsteintoolkit.org/mailman/listinfo/users
