Seriously? Wha.. what? Someone needs to get help. And it wasn't me. I am a member of the People's Front of Julia.
(contrived Python reference intentional) On Wed, 8 May 2019 at 22:57, Jeffrey Layton <layto...@gmail.com> wrote: > I wrote some OpenACC articles for HPC Admin Magazine. A number of > pro-OpenMP people attacked me on twitter (you know, OpenACC sucks, OpenMP > is great). I received a private email threatening to kill me and my family > if I didn't stop writing about OpenACC. Given your pro-OpenMP, anti-OpenACC > stance, using the same tone as the threatening email, I wondered if that > email came from you. > > > > On Wed, May 8, 2019, 17:48 Richard Walsh <rbwcn...@gmail.com> wrote: > >> >> Huh ... ?? Weird, scary ... >> >> Just MHO. Dropping off this thread now ... >> >> rbw >> >> Sent from my iPhone >> >> On May 8, 2019, at 4:29 PM, Jeffrey Layton <layto...@gmail.com> wrote: >> >> I was just pointing out that gcc has Open ACC capability on AMD GPUs. >> >> I didn't realize you part of the OpenMP Nazis. Were you the one that >> threatened me and my family because I wrote about OpenACC? >> >> >> >> On Wed, May 8, 2019, 15:48 Richard Walsh <rbwcn...@gmail.com> wrote: >> >>> >>> Jeffry/All, >>> >>> Yes ... but given the choice of using OpenACC or OpenMP (if you are not >>> going to write CUDA-HIP code for that extra 10% of performance) which >>> captures most (all?) of the features of OpenACC, is a standard likely to >>> outlive OpenACC, and should run on any vendor’s accelerators, including >>> whatever Intel comes up with ... why would you write in OpenACC ... ?? >>> >>> GNU supports OpenMP too ... in my view, PVM is to MPI as OpenACC is to >>> OpenMP 4.5-5.0 ... >>> >>> Cheers! >>> >>> rbw >>> >>> Sent from my iPhone >>> >>> On May 8, 2019, at 2:36 PM, Jeffrey Layton <layto...@gmail.com> wrote: >>> >>> 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 >>>> >>> _______________________________________________ > 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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