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CONTRIBUTING.md

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Contributing to easyRDMA

Dependencies Needed

  • CMake (tested with 3.23)
  • Boost (tested with 1.79.0)
    • Found via standard CMake find_package() call
  • NetworkDirect (Windows build)
    • Download: nuget.exe install NetworkDirect -Version 2.0.1
    • CMake expected to be configured with NetDirect_HEADER_DIR / NetDirect_LIBRARYDIR variables pointing to the NetworkDirect install location
  • libibverbs/rdma_cm (Linux build)
    • Both part of rdma-core package
    • CMake can be configured with VERBS_HEADER_DIR / VERBS_LIB_DIR variables, if not available in default system search directories
  • googletest
    • Retrieved automatically via CMake step

Testing

  • Unit tests (easyrdma_unit_tests) cover some basic internal classes
  • System tests (easyrdma_tests) cover the full API surface and are intended to be run on a system with RDMA-capable hardware

System setup:

  • Two RDMA-capable network ports connected directly together on the system in a loopback-manner
  • Tests expect them to have compatible IP addresses to connect to each other (such as link-local). These ports may be on the same physical card.
  • Tests can also run on a single port with internal loopback
  • API tests a variety of edge conditions with the underlying vendor's implementation and might not pass on all hardware. Extensive testing only done on Mellanox/NVIDIA ConnectX-4 (and newer) hardware.