PPT-OpenFabrics 2.0 or libibverbs

Author : trish-goza | Published Date : 2018-02-10

10 Sean Hefty Intel Corporation Pre OpenIB Multiple IB vendors each with a proprietary software stack Multiple versions of the verbs interface Binary incompatible

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OpenFabrics 2.0 or libibverbs: Transcript

10 Sean Hefty Intel Corporation Pre OpenIB Multiple IB vendors each with a proprietary software stack Multiple versions of the verbs interface Binary incompatible Formation of OpenIB. Sean Hefty. Intel Corporation. Claims. Verbs is a poor semantic match for industry standard APIs (MPI, PGAS, ...). Want to minimize software overhead. ULPs continue to desire additional functionality. Sean Hefty. Intel Corporation. (Scalable) Fabric Interfaces. Q: What . is implied by incorporating interface sets under a single framework. ?. Objects exist that are usable between the interfaces. Isolated interfaces turn the framework into a complex . . Requirements. Chen Zhao, Frank Yang. NetApp, Inc.. Storage Interconnect Requirements. Multi-destination RMA operation with reliable unconnected transport. 2. www.openfabrics.org. Storage Interconnect Requirements. Sean Hefty. Intel Corporation. Claims. Verbs is a poor semantic match for industry standard APIs (MPI, PGAS, ...). Want to minimize software overhead. ULPs continue to desire additional functionality. – test framework ideas/suggestions. Howard Pritchard . – LANL. LA-UR-1426578. www.openfabrics.org - OFI WG F2F - 8/2014. 1. Topics. Current state of . fabtests. Test suites for similar RDMA network protocols. Intel Corporation. Claims. Verbs is a poor semantic match for industry standard APIs (MPI, PGAS, ...). Want to minimize software overhead. ULPs continue to desire additional functionality. Difficult to integrate into existing infrastructure. Intel Corporation. Claims. Verbs is a poor semantic match for industry standard APIs (MPI, PGAS, ...). Want to minimize software overhead. ULPs continue to desire additional functionality. Difficult to integrate into existing infrastructure. January, 2015. Kernel OpenFabrics Interface. KOFI Mission. Future proof the kernel fabric stack (ibverbs) with a fabric independent framework.. Migrate fabric I/F from device specific to higher level message passing semantics.. February, 2015. Kernel OpenFabrics Interface. kOFI Framework. k. OFI Framework. k. OFI API. k. ernel IBverbs. iWarp. InfiniBand. k. OFI API. k. OFI Providers. Device Drivers. Ethernet. RDS. kSocket. RoCE.

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