[OFIWG-MPI] The OpenFabrics Alliance Announces the Release of libfabric v2.0.0
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Thu Dec 19 14:50:36 PST 2024
The OpenFabrics Alliance Announces the Release of libfabric v2.0.0
The OpenFabrics Alliance, the OpenFabrics Interfaces Working Group, and
the libfabric community are pleased to announce the release of version
v2.0.0 of libfabric and fabtests.
Libfabric, also known as Open Fabrics Interfaces (OFI), is a framework
focused on exporting high-performance networking services to
applications. It specifically targets parallel and distributed
applications and middleware. Libfabric is designed to minimize the
impedance mismatch between applications, middleware and fabric
communication hardware. Its interfaces target high- bandwidth,
low-latency NICs, with a goal to scale to tens of thousands of nodes.
Libfabric is supported by a variety of open source HPC middleware
applications, including MPICH, Open MPI, Sandia SHMEM, Open SHMEM,
Charm++, GasNET, Clang, UPC, DAOS, and others.
The release of libfabric 2.0 is an important milestone for libfabric as
it simplifies and tunes the API in preparation for Ultra Ethernet
Consortium (UEC). Unsupported features have been deprecated, and some
features have been replaced with more optimal ones to encourage
adoption of the new standard. New features, such as standardized tag
formats, new atomic types target for AI, and stabilization of
inter-provider usage have been added, allowing for more fine-tuned
focus on AI and offloaded accelerations.
The software for the Ultra Ethernet Transport is based on libfabric
v2.0 APIs, targeting both HPC and AI fabrics (See
[1]https://ultraethernet.org/ultra-ethernet-specification-update/).
Libfabric source packages are available at:
[2]https://github.com/ofiwg/libfabric/releases/tag/v2.0.0.
Please contact [3]press at openfabrics.org with any questions.
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