Amicable Numbers - Perpetual Discussion Thread

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Beyond

Ars Praefectus
5,236
  • #1
    New DC-Vault project: Amicable Numbers

    Project home: https://sech.me/boinc/Amicable/

    Amicable Numbers has been added to the DC-Vault. We're currently in 11th place.

    Apps are available for Linux, Windows, Mac & some ARM CPUs, also NVidia and AMD GPUs.

    There's potential for moving upward fairly quickly if we work on it.

    Don't forget to join the Ars team!

    Most of all, have fun!
     
    B

    Beyond

    Ars Praefectus
    5,236
  • #4
    A few updates. Turns out some teams put on a big push when Amicable was added to the Vault. One was DPC and they're catching us pretty quickly in the Math category and also getting close in the overall ranking. I'm about 95% in Amicable. Seems too that the really big scoring guys are doing it mostly with CPU power. That surprised me as I thought that GPUs would be the way to go. It did help a lot though when they doubled the 2^64 CPU credits. Things are running very efficiently on the new number range and that should continue for quite a while. GPU WUs now run 1x at a very nice GPU % load with little CPU. The CPU WUs scale linearly with the number of cores you assign.
     
    B

    Beyond

    Ars Praefectus
    5,236
  • #5
    Beyond said:
    Seems too that the really big scoring guys are doing it mostly with CPU power. It did help a lot though when they doubled the 2^64 CPU credits. The CPU WUs scale linearly with the number of cores you assign.
    Click to expand...
    According to a new post today by the Admin, these double credit CPU WUs should last until early August:

    https://sech.me/boinc/Amicable/forum_thread.php?id=81

    Grab them while they're available...
     
    B

    Beyond

    Ars Praefectus
    5,236
  • #13
    First of all, if anyone is interested in buying inexpensive GPUs (most notably the GeForce GTX 1060), they're going pretty cheap at ebay right now. Probably due to the demise of mining.

    Back to Amicable Numbers. Due to the numbers growing larger, it's now beneficial to run multiple WUs, especially on faster GPUs. For the 1060 cards I use this app_config.xml (in the Amicable project directory) to run 2 WUs/GPU:

    <app_config>
    <app>
    <name>amicable_10_20</name>
    <gpu_versions>
    <gpu_usage>0.5</gpu_usage>
    <cpu_usage>0.2</cpu_usage>
    </gpu_versions>
    </app>
    </app_config>

    This should significantly increase your output.
     
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