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https://www.open-mpi.org/faq/
Rollup of ALL FAQ categories and questions General information about the Open MPI Project What kinds of systems / networks / run-time environments does Open MPI support?
https://github.com/easybuilders/easybuild-easyconfigs/issues/40
Nov 30, 2012 · I noticed the following issue. The OpenMPI version built with a no-OFED easyconfig has support for InfiniBand on machine with IB libraries. This is because OpenMPI configure script will autodetect InfiniBand libraries and enable InfiniBand if they are available.
https://www.advancedclustering.com/act_kb/mpi-over-infiniband/
To take full advantage of InfiniBand, an MPI implementation with native InfiniBand support should be used. Supported MPI Types MVAPICH2, MVAPICH, and Open MPI support InfiniBand directly. Intel MPI supports InfiniBand through and abstraction layer called DAPL. Take note that DAPL adds an extra step in the communication process and therefore has increased latency and …
https://www.ibm.com/support/pages/how-do-i-check-open-mpi-112-infiniband-support-using-intel-mpi-benchmark
How do I check open-mpi 1.1.2 (infiniband support) using the INTEL MPI Benchmark? Resolving The Problem How do I check the openmpi install using intel mpi …
https://www.open-mpi.org/
Open MPI is therefore able to combine the expertise, technologies, and resources from all across the High Performance Computing community in order to build the best MPI library available. Open MPI offers advantages for system and software vendors, application developers and computer science researchers.
http://www.mellanox.com/page/products_dyn?product_family=195&mtag=hpcx_mpi
HPC-X™ MPI - Message Passing Interface. Message Passing Interface (MPI) is a standardized, language-independent and portable message-passing system, and is the industry-standard specification for writing message-passing programs.
https://www.ibm.com/developerworks/community/blogs/hpc/entry/openmpi_lsf_infiniband_mellanox_ofed_and_intel_mpi_benchmark_what_is_going_on
developerWorks blogs allow community members to share thoughts and expertise on topics that matter to them, and engage in conversations with each other. You can browse for and follow blogs, read recent entries, see what others are viewing or recommending, and request your own blog.
http://www.mellanox.com/page/products_dyn?product_family=261&mtag=sharp
Mellanox Scalable Hierarchical Aggregation and Reduction Protocol (SHARP)™ technology improves upon the performance of MPI operations by offloading collective operations from the CPU to the switch network, and by eliminating the need to send data multiple times between endpoints.
https://www.mir.wustl.edu/Portals/0/Documents/Uploads/CHPC/WashU_4_openmpi.pdf
Support for various high-speed interconnect networks can be built by specifying the appropriate header files and libraries with the appropriate –with command line switch for Open MPI configure The “ompi_info” command provide details on the Open MPI installation.
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