{"id":14967046,"url":"https://github.com/Golem-Unlimited/gumpi","last_synced_at":"2025-10-19T09:31:30.912Z","repository":{"id":37219931,"uuid":"157224705","full_name":"golemfactory/gumpi","owner":"golemfactory","description":"MPI on Golem Unlimited 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gumpi\nCircleCI status: [![status](https://circleci.com/gh/golemfactory/gumpi.svg?style=svg)](https://circleci.com/gh/golemfactory/gumpi)\n\nKnown to work with [this GU version](https://github.com/golemfactory/golem-unlimited/tree/gumpi-freeze), commit 93c9f37e1765ad743a6b16209561e6374fb88e84.\n\nMinimum supported Rust version: 1.34\n\n# Example usage\n\nIf the hub listens at `127.0.0.1:61622` and you want to spawn `12` processes, enter `gumpi` project root, execute:\n```\ncargo run -- --hub 127.0.0.1:61622 --job job.toml -n 12\n```\n\nSee the command line help for more information about the parameters\n\nExample job config (`job.toml` from the example) which will show the hostname for every process on every node:\n\n```\nprogname = \"uname\"\nargs = [\"-a\"]\n```\n\nSee [examples/Tutorial.md](examples/Tutorial.md) for a more details.\n\n# Directories inside the Docker image\nThe structure of the directories:\n* `/app` contains the sources and the built binary of the application\n* `/input` contains the uploaded input data\n* `/output` is the working directory of the app\n\nIn particular, when providing input data, you should refer to it as either\n`../input/file.dat` or `/input/file.dat`.\n\n# Known issues and limitations\n## Connectivity\nIf you want to run the application over LAN, you may need to specify your IP address space, e.g.\nthe previous example will become:\n\n```\nprogname = \"uname\"\nargs = [\"-a\"]\nmpiargs = [\"--mca\", \"btl_tcp_if_include\", \"10.30.8.0/22\"]\n```\n\n## Output size\nCurrently gumpi limits the accepted size of the stdout and the returned output to 1GiB.\nShould this be a problem for your application, please report an issue.\n\n## Output location\nCurrently gumpi requires the application to put all the relevant artifacts into a single subdirectory.\nIn particular, fetching files directly from the working directory is NOT supported.\n\n# Debugging\nYou can use the `--noclean` runtime option to disable the automatic cleanup of the sessions on the client side.\nNote that in the future Golem Unlimited may automatically remove stale sessions on the provider side.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FGolem-Unlimited%2Fgumpi","html_url":"https://awesome.ecosyste.ms/projects/github.com%2FGolem-Unlimited%2Fgumpi","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2FGolem-Unlimited%2Fgumpi/lists"}