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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<taeguk_>
hkaiser: Excuse me, About the report which is referred by you in HPX mailing list, must I submit that until June 21?
<taeguk_>
*July
<hkaiser>
taeguk_: yes, pls
<jbjnr>
I do not see this email - hpx-users or elsewhere?
<taeguk_>
hkaiser: Is it about my works until now? or until end of GSoC?
<taeguk_>
jbjnr: gsoc-students@stellar-group.org
<jbjnr>
ok - I guess I only get mentor related emails.
<hkaiser>
taeguk_: until now
<hkaiser>
jbjnr: I asked the students to write up a report of their work so far for us to be able to do a proper evaluation
<hkaiser>
I assumed it would go to the mentors as well, silly me
<taeguk_>
hkaiser: Is there no template? Or how much pages and how much details do you want?
<jbjnr>
taeguk - just write up what you've done so far and if it's too short, we'll ask for more. I don't think you need to worry. a few paragraphs describing what you've done for each algorithm, the PR's, the problems and solutions etc etc
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<aserio>
wash[m]: Will you be joining us today
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<wash[m]>
aserio: I can't unfortunately - flying again :/
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<github>
[hpx] atrantan opened pull request #2769: Remove some other warnings and errors detected by clang 5.0 (master...master) https://git.io/vQjDM
ajai is now known as ajaivgeorge
<thundergroudon[m>
I am currently unable to run opencl programs on rostam, any idea why?
<thundergroudon[m>
This was working in the evening
<thundergroudon[m>
I am getting CL DEVICE NOT FOUND ERROR
<hkaiser>
thundergroudon[m: please talk to akheir
<thundergroudon[m>
Let me message him now
<thundergroudon[m>
hkaiser: Thanks
<akheir>
thundergroudon[m: which node are you running on?
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<thundergroudon[m>
akheir: Reno/Tycho
<thundergroudon[m>
Bahram is in queue
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<jbjnr>
hkaiser: if you have a mo - this is the apex output from a small matrix run - https://gist.github.com/biddisco/66e17f15c4301774e7cfdfde9c9326f4 do the number of continuations and finalize calls look odd? Might be caused by the changes you made yesterday, but the numbers look very high.
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<thundergroudon[m>
akheir: works now! :)
<thundergroudon[m>
Thank you so much
<akheir>
thundergroudon[m: I'm not finished yet
<akheir>
the problem is with the stupid nvidia driver. I have to make sure it is fixed for good
<thundergroudon[m>
tyvho started working though
<thundergroudon[m>
*Tycho
<akheir>
I've just loaded the old kernel. now I am trying to push the driver to new kernel
<akheir>
thundergroudon[m: now their are fixed. tycho is fixed, and reno is rebooting, I hope it is fixed to.
<akheir>
someone is running a job on bahram, I have to wait after the job finished I will fix bahram too
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<thundergroudon[m>
akheir: Thank you so much akheir! :)
<akheir>
thundergroudon[m: yw
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<K-ballo>
I'll try to implement (pieces of) P0645, the text formatting proposal
<github>
hpx/master a5bd394 Hartmut Kaiser: Adding closed tickets to the docs
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<github>
[hpx] K-ballo force-pushed std-atomic from 4ea0081 to c52d563: https://git.io/vQFAO
<github>
hpx/std-atomic c52d563 Agustin K-ballo Berge: Replace boost::atomic with std::atomic
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<jbjnr>
hkaiser: (repeat message) if you have a mo - this is the apex output from a small matrix run - https://gist.github.com/biddisco/66e17f15c4301774e7cfdfde9c9326f4 do the number of continuations and finalize calls look odd? Might be caused by the changes you made yesterday, but the numbers look very high.
<hkaiser>
jbjnr: sec
<hkaiser>
jbjnr: the annotate_function calls impose some overhead for sure, not sure how much overhead, though
<hkaiser>
for perf runs try to disable the THREAD_DESCRIPTION stuff
<jbjnr>
good idea. I'll give it a try. thanks
<hkaiser>
jbjnr: or are you talking about how often they were called?
<jbjnr>
it was mostly the high numbers of finalie - compared to actual tasks run
<jbjnr>
700+ for a small matrix with only a hundred or so actual tasks
<hkaiser>
well, everything is executed as an continuation after all in your code,
<jbjnr>
I figure there's a lot of 'stuff' going on, but the numbers for the matrix operations all follow a nice pattern that matches expectations - just the continuations and finalize looked a bit odd. never mind
<hkaiser>
it could also be that finalize is counted more than once now as annotate_function is invoked more than once inside a finalize
<hkaiser>
may be a problem in apex
<jbjnr>
ok. that's what I thought might have changed
<hkaiser>
annotate_function is an RAII wrapper, so it 'switches back' to the previous function description on exit
<hkaiser>
so finalize get 'activated' more than once now
<jbjnr>
ok
<hkaiser>
jbjnr: you might want to notify Kevin, he may be able to tell right away
<jbjnr>
if we call it multiple times in finalize - how come we don't change the task name to something else?
<hkaiser>
not sure
<jbjnr>
I'll paste this thread to him in an email ....