hkaiser changed the topic of #ste||ar to: STE||AR: Systems Technology, Emergent Parallelism, and Algorithm Research | stellar-group.org | HPX: A cure for performance impaired parallel applications | github.com/STEllAR-GROUP/hpx | This channel is logged: irclog.cct.lsu.edu
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<dkaratza[m]> hkaiser: in my latest PR, `jenkins/cscs-perftests` fail but the details take forever to load..what can I do to see what's wrong?
<hkaiser> dkaratza[m]: that page is behind a firewall, you can't access it
<hkaiser> don't worry about it
<dkaratza[m]> hkaiser: oh alright, thanks!
<dkaratza[m]> the test should pass though, right?
<hkaiser> yes, it should, but ...
<hkaiser> dkaratza[m]: I think you're fine
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<dkaratza[m]> hkaiser: ok, thanks!
<satacker[m]> hkaiser: I have been trying to adapt/refactor stencil to S/R but I am still not getting it.... (full message at <https://libera.ems.host/_matrix/media/v3/download/libera.chat/7c611a4cd2bc65ea579699f8f195e919d227258f>)
<hkaiser> satacker[m]: the existing code uses a future to represent the result of the t's timestep calculation for a partition
<hkaiser> with S/R we would need to use a sender to represent that
<satacker[m]> Yes, S/R will not use dynamic allocations like future does
<hkaiser> right
<hkaiser> each partition exposes a sender that represents the t's timestep
<hkaiser> those senders are handed to a then(when_all(left, middle, right), ...) where the function passed to then() will calculate the next timestep
<hkaiser> you probably also need to use split() to be able to attach more then one next step (each partition result is used by three partitions in the next timestep)
<satacker[m]> thanks, got it, i was headed in a similar direction
<satacker[m]> But not at ease with using these S/R algorithms
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