hkaiser changed the topic of #ste||ar to: STE||AR: Systems Technology, Emergent Parallelism, and Algorithm Research | stellar.cct.lsu.edu | HPX: A cure for performance impaired parallel applications | github.com/STEllAR-GROUP/hpx | Buildbot: http://rostam.cct.lsu.edu/ | Log: http://irclog.cct.lsu.edu/ | GSoC: https://github.com/STEllAR-GROUP/hpx/wiki/Google-Summer-of-Code-%28GSoC%29-2020
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<ms[m]> jbjnr: libcds?
<ms[m]> meeting that is
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<diehlpk_work> hkaiser, jbjnr For the JOSS paper we got following remark
<diehlpk_work> The paper does not have a clear statement of need -- what problems is this software designed to solve (note that the paper lists the benefits of using the software)
<diehlpk_work> hkaiser, jbjnr Can one of you take care of this?
<diehlpk_work> ms[m], I updated the namespaces in the latest version of the paper
<diehlpk_work> Once we addressed the issue above, I will push it to JOSS
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<ms[m]> diehlpk_work: thank you!
<ms[m]> I'm not 100% sure it's a good idea though... there's overlap between the hpx execution policy and the kokkos execution policy (they both have an execution space instance)
<ms[m]> I now use the one from the hpx execution policy, but that currently loses some information in reconstructing a new kokkos execution policy using the execution space from the hpx execution policy...
<ms[m]> in any case, it's doable but may lead to confusing situation, may be fine for simple cases though
<hkaiser> ms[m]: COOL!
<ms[m]> OF COURSE ;)
<hkaiser> we have to find our way here... so this is a good first step
<ms[m]> keep in mind that there's also `hpx::kokkos::parallel_for_async` which has 100% the same signature as the plain `Kokkos::parallel_for` except it returns a future
<ms[m]> not as impressive for claiming compatibility with the standard etc etc but it fully preserves the meaning of kokkos execution policies
<ms[m]> hkaiser: btw, you haven't tried this out on windows, have you?
<hkaiser> ms[m]: I have not
<hkaiser> the kokkos build system does not support windows
<ms[m]> hkaiser: nod, just curious (I know they started adding windows support, but I suppose it's not ready yet)
<hkaiser> ms[m]: I have not tried recently, though
<linus2> https://godbolt.org/z/f1PETT how to optimize this code?
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<zao> The best optimization is to use HPX, clearly :P
<zao> I see you shotgunning questions in several places - are you taking some sort of parallel systems course?
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<gnikunj[m]> hkaiser: finally done with 1d stencil implementation with distributed APIs
<gnikunj[m]> will do the benchmarking tomorrow and then start with the paper
<hkaiser> gnikunj[m]: nice!
<gnikunj[m]> I do assume reliant network
<gnikunj[m]> But otherwise, I consider general software level faults
<hkaiser> yah, networks are reliable - hah!
<weilewei> hkaiser meeting now
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