nanoHUB@Home

Discussion in 'Distributed Computing' started by RFGuy_KCCO, Jan 31, 2019.

  1. RFGuy_KCCO

    RFGuy_KCCO [H]ard DCOTM x3

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    Sep 23, 2006
    New BOINC project located here: https://boinc.nanohub.org/nanoHUB_at_home/

    nanoHUB is a research project, based at nanoHUB.org, that uses Internet-connected computers to do research in nanoscience and nanotechnology. You can contribute to our research by running a free program on your computer.

    1) It's a VirtualBox project and each WU requires ~2GB of memory.

    2) WU's are labeled as multi-threaded, but actually only use one thread per WU.

    3) The WU’s should each take less than 10 minutes to complete (usually more like 2-3 minutes each), but I find they often get “stuck” and never finish until they timeout and end with an error after four hours. If I happen to find these tasks running past 30 minutes, or so, I abort them. I’d say the failure rate is currently close to 50%, unfortunately. This has improved since they started sending work, though, so may (hopefully) continue to get better.

    Edit 1/31/19: Changed failure rate in #3 above from 10% to 50%, as I was foolishly only taking into account the percent of tasks I was manually Aborting and not counting those that completed normally but failed to validate.
     
    Last edited: Jan 31, 2019
  2. pututu

    pututu [H]ard DCOTM x2

    Messages:
    1,546
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    Dec 27, 2015
    I'm using app_config to limit the number of tasks to prevent memory issue. RAM prices are trending down but still high, in my opinion.

    <app_config>
    <app>
    <name>boinc2docker</name>
    <max_concurrent>8</max_concurrent>
    </app>
    </app_config>


    Edit: Can't run many tasks with spinner. I got one setup but it slows down everything, like opening up an excel.
     
  3. Gilthanis

    Gilthanis [H]ard|DCer of the Year - 2014

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    Jan 29, 2006
    I had the same issue with Spinner drives.