Don't forget that gcc supports both NV and AMD GPUs with OpenACC. That's one of the lead compilers listed on the Frontier specs.
Jeff On Wed, May 8, 2019 at 3:29 PM Richard Walsh <rbwcn...@gmail.com> wrote: > > All, > > Cray has deprecated support for in OpenACC in light of the OpenMP 4.5 and > 5.0 standards, and their target and data directives. NVIDIA’s PGI Compiler > group will keep OpenACC going for a while, but on AMD devices ... maybe > not. That Cray will support only OpenMP on Frontier seems to be a logical > certainty. > > So if you or yours want to run at speed on Frontier you should bone up on > ROCm, HIP and OpenMP 4.5-5.0 ... > > :-) > > Cheers! > > rbw > > Sent from my iPhone > > > On May 8, 2019, at 12:47 PM, Jörg Saßmannshausen < > sassy-w...@sassy.formativ.net> wrote: > > > > Dear all, > > > > I think the answer to the question lies here: > > > > https://en.wikipedia.org/wiki/OpenACC > > > > As I follow these things rather loosely, my understanding was that > OpenACC > > should run on both nVidia and other GPUs. So maybe that is the reason > why it > > is a 'pure' AMD cluster where both GPUs and CPUs are from the same > supplier? > > IF all of that is working out and if it is really true that you can > compile > > and run OpenACC code on both types of GPUs, it would a be big win for > AMD. > > > > Time will tell! > > > > All the best from my TARDIS! > > > > Jörg > > > > Am Dienstag, 7. Mai 2019, 16:59:48 BST schrieben Sie: > >>> I think it is interesting that they are using AMD for > >>> > >>> both the CPUs and GPUs > >> > >> I agree. That means a LOT of codes will have to be ported from CUDA to > >> whatever AMD uses. I know AMD announced their HIP interface to convert > >> CUDA code into something that will run on AMD processors, but I don't > >> know how well that works in theory. Frankly, I haven't heard anything > >> about it since it was announced at SC a few years ago. > >> > >> I would not be surprised if AMD pursued this bid quite agressively, > >> possibly at a significant loss, for the opportunity to prove their GPUs > >> can compete with NVIDIA and demonstrate that codes can be successfully > >> converted from CUDA to something AMD GPUs can use to demonstrate GPU > >> users don't need to be locked in to a single vendor. If so, this could > >> be a costly gamble for the DOE and AMD, but if it pays off, I imagine it > >> could change AMD's fortunes in HPC. > >> > >> "Win on Sunday, sell on Monday" doesn't apply just to cars. > >> > >> Prentice > >> > >>> On 5/7/19 4:43 PM, Jörg Saßmannshausen wrote: > >>> Hi Prentice, > >>> > >>> that looks interesting and I hope it means I will finally get the > neutron > >>> structure which was measured last year there! :-) > >>> > >>> On a more serious note: I think it is interesting that they are using > AMD > >>> for both the CPUs and GPUs. It sounds at least very fast of what they > >>> want to build, lets hope their design will work as planned as well. > >>> > >>> All the best from London > >>> > >>> Jörg > >>> > >>> Am Dienstag, 7. Mai 2019, 10:32:42 BST schrieb Prentice Bisbal via > > Beowulf: > >>>> ORNL's Frontier System has been announced: > >>>> > >>>> > https://www.hpcwire.com/2019/05/07/cray-amd-exascale-frontier-at-oak-ridg > >>>> e/ > > > > _______________________________________________ > > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > https://beowulf.org/cgi-bin/mailman/listinfo/beowulf >
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