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Thread: Computer as an external CPU on another computer?

  1. #1
    Join Date
    Aug 2013
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    Computer as an external CPU on another computer?

    Let's throw out the "let's check if he's an idiot" tests and get to the beans:

    One computer. Another computer, possibly over ethernet, showing up as a "CPU" for all OS/program purposes on the first.

    Is this possible in Linux? Where should I start looking? Are their projects dealing with this? I vaguely remember someone writing an ARM core emulator that utilized a rarely used feature in linux called an "external processor" which let his little microcontroller run threads.

  2. #2
    Join Date
    Feb 2007
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    West Hills CA
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    8,057
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Computer as an external CPU on another computer?

    What I think you are describing is a cluster--combining CPU's from different machines to perform a single workload. Yes, it can be done, but not in the way that you described.

    You can always ssh into the remote computer with X-forwarding and run that computer's desktop on your desktop. So now you have two computers--one in each workspace. You can share data between them, but that requires setting up some dedicated file shares.

    Some reading:

    https://help.ubuntu.com/community/SS...PortForwarding

    https://help.ubuntu.com/community/Clustering (old data, but gives some background)

    http://askubuntu.com/questions/57526...ocessing-power

    https://help.ubuntu.com/community/MpichCluster
    Last edited by tgalati4; March 3rd, 2014 at 10:33 PM.
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