aserio 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/
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<github> [hpx] hkaiser deleted fixing_windows_unicode at 0c97fd1: https://git.io/vHqAE
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<patg> hmm I haven't build hpx in quite a while and of course my scripts don't work
<patg> which gcc and boost combination should I use
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<jbjnr> patg: I'm using 1.63 boost and gcc 6.2, all is fine, but frankly, most combinations of newer gcc and boost should work
<patg> yeah I went to the newest, I'll try again tomorrow not sure what is up jbjnr
<patg> I haven't done this in so long .....
<heller_> patg: what's the error?
<patg> heller_: I'll try again tomorrow got to go to bed now (but it was boost) I will probably have to incremently make sure I'm up to date on stuff
<patg> i'm trying to get to the point I can help with GSoC
<patg> oh I mean it was boost but I'm pretty sure I fixed that
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<jbjnr> heller_: is this correct? https://github.com/STEllAR-GROUP/hpx/blob/4fa919fe8706b930d200bb286312c289a36ddb2b/src/hpx_init.cpp#L581-L586 - why is using bind not valid for these scedulers
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<heller_> jbjnr: looks like a relic from former times
<jbjnr> heller_: do you realize also that we have an abp_scheduler in hpx and nobody knows what abp stands for
<zao> Adblock Plus, clearly.
<heller_> jbjnr: yes, it's a wash-ism
<jbjnr> I do not believe anyone uses it do they?
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<heller_> jbjnr: nope. lots of technical debt
<github> [hpx] StellarBot pushed 1 new commit to gh-pages: https://git.io/vHmBr
<github> hpx/gh-pages e90c702 StellarBot: Updating docs
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<18WAAFIUR> [hpx] hkaiser closed pull request #2623: Resource manager fixes (master...Resource_manager_fixes) https://git.io/v9SRi
<92AAA44E2> [hpx] hkaiser deleted Resource_manager_fixes at 03cb228: https://git.io/vHmP4
<shoshijak> Hi hkaiser, just wanted to let you know I got the special executors for custom pools working :) I just had to adapt thread_pool_os_executor slightly
<hkaiser> cool!
<hkaiser> you're making good progress!
<shoshijak> thanks :)
<hkaiser> shoshijak: is that code somewhere to have a look at?
<hkaiser> cool, thanks
<jbjnr> hkaiser: why is there --hpx:cores and h[px::threads? what's cores used for
<hkaiser> hpx:core restricts the number of cores visible to hpx, hpx:threads defines how manythreads are created on those cores
<jbjnr> ok
<jbjnr> do we need so amny options?
<hkaiser> jbjnr: shrug - this all has grown over time ;)
<hkaiser> one use case at a time...
<jbjnr> time for a spring clean then!
<hkaiser> feel free
<jbjnr> if a user sayd 8 threads, 2 cores and there is only 1 thread per core, what does hpx do currently?
<jbjnr> over subscribe those 2 cores?
<hkaiser> what do you mean by 'only 1 thread per core'?
<hkaiser> one hyper-thread?
<hkaiser> but yes, it would oversubscribe
<hkaiser> same as -t20 on a 10 core machine
<jbjnr> sorry. I mean one PU per core
<zao> Full rewrite!
<hkaiser> zao: YES
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<jbjnr> an iterator_facade doesn't give me a begin() or end() does it?
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<dmarce1> heller: wash: any idea what this means "{what}: assertion 'msb == (msb_test | lhs_internal_bits)' failed: HPX(assertion_failure)" ?
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<dmarce1> Its from line 582 of runtime/naming/name.cpp
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<parsa> aserio: is the meeting still going on?
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<atrantan> heller_, yt?
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<aserio> parsa: The meeting will take place at 10:30am
<aserio> parsa[w]: ^^
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<hkaiser> jbjnr: see #2650
<jbjnr> ok
<jbjnr> hkaiser: who is ct-clmsn btw?
<hkaiser> jbjnr: see pm
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<aserio> hkaiser: meeting
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<github> [hpx] hkaiser created speedup_feature_test (+1 new commit): https://git.io/vHYGS
<github> hpx/speedup_feature_test fd50236 Hartmut Kaiser: Use cmake C++ feature test tags where possible...
<hkaiser> K-ballo: would this be something you'd be able to live with: https://github.com/STEllAR-GROUP/hpx/tree/speedup_feature_test?
<K-ballo> hkaiser: definitively, but give me a day or two before merging
<K-ballo> I'm not against this, I just suspect there's something wrong in what we have, and once this lands there's little incentive for me to look into it
<K-ballo> (I assume the semantics are if true skip test, else do test)
<hkaiser> yes
<hkaiser> it speeds up things considerably
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<github> [hpx] hkaiser force-pushed speedup_feature_test from fd50236 to bbdf676: https://git.io/vHYc6
<github> hpx/speedup_feature_test bbdf676 Hartmut Kaiser: Use cmake C++ feature test tags where possible...
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<K-ballo> hkaiser: mystery solved, try_compile does a lot LOT more than I had in mind
<K-ballo> it creates a new cmake project, somewhat pre-configured, but still needs to configure, call msbuild, have that call cl, etc etc
<K-ballo> and it just sucks, apparently
<K-ballo> it's not simply a cl.exe call
<heller_> uh oh
<heller_> cmake bug then?
<K-ballo> not bug, by design
<heller_> hmm
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<hkaiser_> K-ballo: so my patch is still a valid solution
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<K-ballo> hkaiser_: precision of language? it was never invalid
<hkaiser_> K-ballo: ;)
<hkaiser_> sorry
<hkaiser_> let me try again
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<K-ballo> I already satisfied my curiosity, no need to hold the merge on my behalf anymore
<hkaiser_> K-ballo: so my patch is the way to go to speed up configure without breaking things
<K-ballo> yep
<hkaiser_> k, thanks
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* zao perks up
<github> [hpx] hkaiser opened pull request #2651: Speedup feature test (master...speedup_feature_test) https://git.io/vHYN5
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<mcopik> heller_: poor Niall, German HPC guys trying again to crush his dream of having a library in Boost
<heller_> mcopik: hartmut started!
<heller_> :P
<heller_> more seriously though, I am more asking: "why did you chose this and that design, and here is something I think might actually work better"
<mcopik> heller_: yes, I've seen this email. both yours and Hartmut emails are really polite, although you seem to disagree with proposed std::expected?
<mcopik> but it looks that he ignored Hartmut's question, he may ignore yours email as well
<mcopik> he's quite unpredictable on the mailing list
<K-ballo> didn't it take like well over 20 ignored emails for Niall to finally address the german HPC guys during the AFIO review?
<mcopik> K-ballo: he might have been too busy describing his suffering family life or burned hdds
<mcopik> fortunately, this review has been spared those valuable insights
<K-ballo> yep, overall it's been rather mild (so far)
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<heller_> mcopik: yup
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