Cmake install prefix remnants
Including opaque error messages from MPI.
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Its dependent libraries) may result failure, possibly Your application with a different version of libfabric (or MPI on your HPC system may use libfabric itself, and linking Of those libraries as well, which may conflict with the Package manager like spack, spack may build custom versions Libfabric itself depends upon other libraries like Mileage may vary and you may have to build libfabric That should not be taken as an indication that thatīuild of libfabric will work with SST, or even that it isĬompatible with the system upon which you find it. On some HPC resources, libfabric is available as a loadable Libfabric to use RDMA, the best way to get help is to open an issue If you are unable to configure ADIOS2 and
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HPC computing resources tend to be one-offĬustom resources with their own idiosyncracies, so thisĭocumentation cannot offer a definitive guide for every situation,īut we can provide some general guidance and some recommendationsįor specific machines.
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The network, and properly configuring libfabric can be a difficultĪnd error-prone task. Provide a generic interface to the underlying RDMA capabilities of Writer and reader cohorts, and generally this is the most Is capable of using RDMA networks for transfering data between $ makelocalrc $(dirname $(which pgc++ )) -gcc $(which gcc ) -gpp $(which g++ ) -g77 $(which gfortran ) -o -net 1> $/.mypgirc 2>/dev/nullĮnabling RDMA for SST data transfers: The SST engine in ADIOS2 On Titan, the following steps will re-configure the PGI compiler to use GCC 6.3.0 provided by a module: To configure the PGI compiler to use a newer GCC, you must create a configuration file in your home directory that overrides the PGI compiler’s default configuration. On many systems (Titan at OLCF, for example) even though the PGI compiler supports C++11, the configured GCC and its headers do not (4.3.x on Cray Linux Environment, and v5 systems like Titan). However it relies on the C++ standard library headers supplied by the system version of GCC, which may or may support all the C++11 features used in ADIOS2. PGI compilers and C++11 support: Version 15 of the PGI compiler is C++11 compliant. Read the system documentation to enable dynamic compilation, usually by setting an environment variable such as CRAYPE_LINK_TYPE=dynamic.Ĭlick here for a fully configurable script example on OLCF systems.īig Endian and 32-bit systems: ADIOS2 hasn’t been tested on bigĮndian and generally will not build on 32-bit systems.
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The default behavior is static linkage, thus CMake builds ADIOS2 creates the static library libadios2.a by default. Static/Dynamic build: On Cray systems such as Titan, Load the latest CMake module as many HPC systems default to an outdated version.īuild with a C++11-compliant compiler, such as gcc >= 4.8.1, Intel >= 15, and PGI >= 15. Modules: Make sure all “module” dependencies are loaded and that minimum requirements are satisfied. In addition to the ADIOS2_USE_Feature options, the following options are also available to control how the library gets built:Įxample: Enable Fortran, disable Python bindings and ZeroMQ functionality Specify the LibFabric install manually with the -DLIBFABRIC_ROOT=… option.Įnable endian conversion if a different endianness is detected between write and read. Can optionally use LibFabric for RDMA transport. Simplified Staging Engine (SST) and its dependencies, requires MPI. If you want to specify a particular python version use -DPYTHON_EXECUTABLE=/path/to/interpreter/python If HDF5 is not on the syspath, it can be set using -DHDF5_ROOT=/path/to/hdf5 The following options can be specified with CMake’s -DVAR=VALUE syntax.