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Download FAQ

How do I download Charm++?

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The latest development version of Charm++ can be downloaded directly from our source archive. The Git version control system is used, which is available from here.

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This development version may not be as portable or robust as the released versions. Therefore, it may be prudent to keep a backup of old copies of Charm++.

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  1. Check out the latest development version of Charm++ from the repository:


    $ git clone https://github.com/UIUC-PPL/charm
     

  2. This will create a directory named charm. Move to this directory:
     

    $ cd charm
     

    To obtain the current stable release, 6.10.2, switch to branch charm-6.10.2:

    $ git checkout charm-6.10.2
     

  3. And now build Charm (netlrts-linux example):

    $ ./build charm++ netlrts-linux-x86_64 [ --with-production | -g ]
     

This will make a netlrts-linux-x86_64 directory, with bin, include, lib etc subdirectories.

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I have a question that isn't answered here. 

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Click here for a full FAQ.

What are the licensing terms?

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Charm++, CharmMPI, and other Charmworks software are free to use for non-profit research and evaluation purposes only. If you are interested in Charm++ for commercial use, please see our licensing options or contact us for more information. An evaluation copy of Charm++ is available upon request.

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Click here for the full Charm++/Converse license.

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How do I compile Charm++?

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Run the interactive build script ./build with no extra arguments If this fails, email support@hpccharm.com with the problem. Include the build line used (this is saved automatically in smart-build.log)

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If you have a very unusual machine configuration, you will have to run ./build -help to list all possible build options. You will then choose the closest architecture, and then you may have to modify the associated conf-mach.sh and conv-mach.h files in src/arch to point to your desired compilers and options. If you develop a significantly different platform, send the modified files to support@hpccharm.com so we can include it in the distribution.

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How do I compile CharmMPI?

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Run the build script ./build and choose the option for building “Charm++ and AMPI,” or just replace “charm++” in your full build command with “AMPI”, as in ./build AMPI netlrts-linux-x86_64.

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I have a question that the full FAQ doesn't answer. Who can I talk to?

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We want to ensure you have a positive experience with Charm++. If you ever have questions as you're evaluating Charm++ for your needs, please don't hesitate to reach out to us at info@hpccharm.com​

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