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/ | GSoC2018: https://wp.me/p4pxJf-k1
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<github> [hpx] StellarBot pushed 1 new commit to gh-pages: https://git.io/vpgSy
<github> hpx/gh-pages 1470f05 StellarBot: Updating docs
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<heller> yay stack overflows :
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<zao> Woohoo!
<simbergm> heller: do you remember what you found broken in my custom boostbook css?
<heller> simbergm: it was the boostbook css, not the readthedocs, IIRC
<simbergm> I have to say I find ^ very ugly but if no one looks at the API reference might not matter
<simbergm> yeah, I meant with the boostbook css
<heller> no, sorry
<simbergm> the link is to sphinx though
<heller> in that link you sent, there seems to be a space missing between the return type and the function name
<heller> yeah
<simbergm> yep, that's one of the ugly things
<simbergm> I prefer the API reference that boostbook spits out but otherwise sphinx
<heller> yes
<heller> which tool did you use? breathe?
<simbergm> breathe, not aware of any alternatives
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<jbjnr> hkaiser: if yt, then I just updated P1017 with a first section. One more to go. Need another couple of hours, but wanted to get something started before talking to you later
<hkaiser> jakub_golinowski: cool
<hkaiser> jbjnr: cool
<hkaiser> I just added more text as well
<jbjnr> oops. hope we do not have conflicts.
<hkaiser> jbjnr: hmm my changes are gone now :/
<jakub_golinowski> hkaiser: what happened? I just logged in and do not know what is going on?
<jbjnr> jakub_golinowski: sorry, he typed the letter 'J' then autocomplet put ypou in instead of me
<jakub_golinowski> ah, ok :D
<jbjnr> usually there's another bloke with j in his name that gets all the spam
<jbjnr> hkaiser: it's my fault. I edited the doc in github directly and committed to master
<jbjnr> I probably clobbered your stuff.
<hkaiser> jbjnr: ok, I restored my stuff
<jbjnr> phew!
<hkaiser> jakub_golinowski: sorry
<jakub_golinowski> hkaiser no problem :)
<jakub_golinowski> btw what irc client do you use?
<hkaiser> jakub_golinowski: that will probably happen more than once ;-)
<hkaiser> I'm know for highlighting the wrong niick
<jakub_golinowski> oh I am sorry :(
<jbjnr> jakub_golinowski: I've got problems with my opencv demo. It doesn't work on my linux box, so I will tryoto fix it on the train tomorrow on the macbook
<jbjnr> it used to work there, but the webcam stuff seems knackered on linux
<jbjnr> bloody linux never works properly. what OS will you be using?
<jbjnr> (for GSoC I mean)
<jbjnr> hkaiser: please read what I've writtedn and tell me if it's crap.
<jakub_golinowski> jbjnr, I am now using Ubuntu 16.04 and I wanted to stay with this OS for the GSoC
<jbjnr> ok. I'll fix the mac version and leave the linux stuff to you. I suspoect it's just my arch linux that's the problem and it will probably work on other boxes.
<jbjnr> I upgraded opencv and Qt and everything else in one go. asking for trouble really.
<jakub_golinowski> I am as well in the process of setting up environment. For now I am reinstalling the HPX with the use of tcmalloc
<jakub_golinowski> I builde and installed gperf tools to my ~/packages/gperftools directory and now want to build HPX (hwloc and boost are also installed and ready)
<jbjnr> jakub_golinowski: in case it helps. I use this page to srore my setting for the laptop builds https://github.com/biddisco/biddisco.github.io/wiki/Linux
<jbjnr> ^store
<jbjnr> (some might be a bit old, but you get the idea)
<jbjnr> PS. we mostly use jemalloc rather than tcmalloc, but they should give similar perf
<zao> I always build with gperftools, as it's easier to find :)
<zao> But I don't actually _use_ HPX, so there's that.
<jbjnr> :)
<jbjnr> start using it!
<zao> jbjnr: I'm on an epic yak shaving journey atm.
<jbjnr> great.
<zao> Wrote some infra bits for my CI stuff in C++ with websocketpp.
<jbjnr> Stuff a few pillows for me!
<zao> Turns out that it's kind of broken for my uses, so I'm pondering either forking it or implementing WS from scratch.
<jakub_golinowski> jbjnr, thanks I was just thinking of storing all the commands and settings in some place
<jbjnr> zao: I don't really understand what you're talking about. infra etc
<jbjnr> but don't explain!
<zao> jbjnr: Hehe. I'm writing my own build/test scheduler to repeatedly run tests, as I've probably mentioned before.
<jbjnr> pycicle?
<zao> The stuff that pycicle and buildbot won't quite do.
<jbjnr> add it to pycicle then?
<jakub_golinowski> my question is (I think) connected with the TCMALLOC_LIBRARY option
<jakub_golinowski> should it be a path to [..]/lib or a specific .so file?
<zao> jbjnr: To be honest, I haven't looked at if it would be possible.
<zao> The bit where I run individual tests a ton of times would probably be a bit hard to shoehorn in.
<zao> Anyway, time will tell, assuming I ever get a working design for the scheduler.
<jbjnr> jakub_golinowski: can't you just set TCMALLOC_ROOT to point to the install location and let cmake find it? that works ok for JEMALLOC etc
<jbjnr> if not, then library should point to libtcmalloc.a or similar
<simbergm> TCMALLOC_ROOT works for me, try that first
<jbjnr> zao: ah yes I see, you are calling single tests not just one huige ctest fire and forget. annoying
<jakub_golinowski> ok, it is suggested (in the error message) to use two options:
<jakub_golinowski> -- Could NOT find TCMalloc (missing: TCMALLOC_LIBRARY TCMALLOC_INCLUDE_DIR)
<jakub_golinowski> but TCMALLOC_ROOT seemed to have worked
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<hkaiser> jbjnr: ready?
<jbjnr> trying to find you on hangouts
<jbjnr> can't seem to get you as a contact
<jbjnr> hkaiser: ^^
<hkaiser> jbjnr: use my gmail address
<jbjnr> hangouts is bizarre. I've spoken to you many times using it, but you're still not in my contacts
<jbjnr> sent an invite to yot gmail addr 5 mins ago
<hkaiser> jbjnr: don't see an invite :/
<jbjnr> sigh
<jbjnr> can you invite me instead then
<hkaiser> jbjnr: let me try to invite you
<jbjnr> biddiscoj@gmail.com
<hkaiser> sent
<K-ballo> we'll sort of have `deferred_call` in `bind_front` soon (*)
<hkaiser> jbjnr: skype instead?
<hkaiser> K-ballo: yah
<K-ballo> hkaiser: result_of_t<F&&(Args&&...)> -> invoke_result_t<F, Args...>
<K-ballo> but that's only if you are going to forward the arguments, for a bulk call it'd be invoke_result_t<F&, Args&...> instead
<hkaiser> K-ballo: thanks
<jbjnr> well sorry. hangouts just doesn't work any more it seems
<hkaiser> jbjnr: nod
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<hkaiser> jbjnr: would skype work, otherwise I can give you call using POT (plain old technology)
<jbjnr> skype broken on linux too, 0041 910 6108264
<jbjnr> is the number for this room I think
<jbjnr> hold on
<jbjnr> 0041 43 244 89 30 ex 08264
<jbjnr> if you have scopia - we have that built in
<hkaiser> dialling
<jbjnr> or
<hkaiser> no response :/
<hkaiser> even POT is broken nowadays
<jbjnr> 0041 91 610 83 02 direct
<hkaiser> sec
<jbjnr> jesus so many numbers for one bloody roon
<hkaiser> john?
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<diehlpk> To all GSoC students, the
<diehlpk> April 23, 2018 - May 14, 2018
<diehlpk> Community Bonding
<diehlpk> is now active
<diehlpk> I have seen some activity from some of you, but not of all.
<diehlpk> Please be more active to bound with the community. Start talking to your mentor and start to ask questions for your project
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<github> [hpx] hkaiser created clang_format (+1 new commit): https://git.io/vp2Sr
<github> hpx/clang_format f0b9204 Hartmut Kaiser: This updates the .clang-format configuration file to utilize newer features of...
<github> [hpx] hkaiser opened pull request #3308: This updates the .clang-format configuration file to utilize newer features (master...clang_format) https://git.io/vp2SK
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<nikunj> @hkaiser: I am setting up hpx according to the work I'll be carrying out during GSoC. Is there any parameter that I should take care about?
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<mbremer> Hi all, I had two question about migrating components. I'm writing up some code, which is supposed to migrate a component. I'm wrote up a logger, which spits out stuff in the save portition of the serialization, and it seems that it's being called during one the to-be-migrated-component's actions
<mbremer> . The first question is would an object get migrated if the thread was simply suspended, but hadn't finished executing?
<mbremer> My guess would be no, but I wanted to double check
<mbremer> 2) Why do the actions in the migration unit test have to be explicitly registered? ( cf. https://github.com/STEllAR-GROUP/hpx/blob/master/tests/unit/component/migrate_component.cpp#L88 )
<mbremer> I don't have that in my code, and I think that could be a source of the problem atm
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