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- QsNet abstract "QsNet is a high speed interconnect designed by Quadrics used in HPC clusters, particularly Linux Beowulf Clusters. Although it can be used with TCP/IP; like SCI, Myrinet and Infiniband it is usually used with a communication API such as MPI or SHMEM called from a parallel program.The interconnect consists of a PCI card in each compute node and one or more dedicated switch chassis. These are connected with a copper cables. Within the switch chassis are a number of line cards that carry Elite switch ASICs. These are internally linked to form a fat tree topology. Like other interconnects such as Myrinet very large systems can be built by using multiple switch chassis arranged as spine (top-level) and leaf (node-level) switches. Such systems are usually called federated networks.As of 2003, there are two generations of QsNet. The older QsNetI was launched in 1998 and used PCI 66-64 cards that had 'elan3' Custom ASIC on them. These gave an MPI bandwidth of around 350 Mbyte/s unidirectional with 5us latency. QsNet II was launched in 2003. It used PCI-X 133 MHz cards that carry 'elan4' ASICs. These gave an MPI bandwidth of 912 Mbyte/s and MPI latency starting from 1.22 μs, performance depends on platform used.In 2004 Quadrics started releasing small to medium switch stand-alone switch configurations called QsNetII E-Series, these configurations range from the 8 to the 128-way systems.".
- QsNet wikiPageID "471890".
- QsNet wikiPageLength "1799".
- QsNet wikiPageOutDegree "19".
- QsNet wikiPageRevisionID "691598434".
- QsNet wikiPageWikiLink Application-specific_integrated_circuit.
- QsNet wikiPageWikiLink Application_programming_interface.
- QsNet wikiPageWikiLink Beowulf_cluster.
- QsNet wikiPageWikiLink Category:Computer_buses.
- QsNet wikiPageWikiLink Computer_cluster.
- QsNet wikiPageWikiLink Fat_tree.
- QsNet wikiPageWikiLink FederatedNetworks.
- QsNet wikiPageWikiLink InfiniBand.
- QsNet wikiPageWikiLink Megabyte.
- QsNet wikiPageWikiLink Message_Passing_Interface.
- QsNet wikiPageWikiLink Myrinet.
- QsNet wikiPageWikiLink PCI-X.
- QsNet wikiPageWikiLink Parallel_computing.
- QsNet wikiPageWikiLink QsNet_II.
- QsNet wikiPageWikiLink Quadrics.
- QsNet wikiPageWikiLink SHMEM.
- QsNet wikiPageWikiLink Scalable_Coherent_Interface.
- QsNet wikiPageWikiLink Supercomputer.
- QsNet wikiPageWikiLinkText "QsNet".
- QsNet wikiPageUsesTemplate Template:As_of.
- QsNet wikiPageUsesTemplate Template:Mergeto.
- QsNet wikiPageUsesTemplate Template:Notability.
- QsNet wikiPageUsesTemplate Template:Unreferenced.
- QsNet subject Category:Computer_buses.
- QsNet hypernym Speed.
- QsNet type Person.
- QsNet type Connector.
- QsNet type Protocol.
- QsNet comment "QsNet is a high speed interconnect designed by Quadrics used in HPC clusters, particularly Linux Beowulf Clusters. Although it can be used with TCP/IP; like SCI, Myrinet and Infiniband it is usually used with a communication API such as MPI or SHMEM called from a parallel program.The interconnect consists of a PCI card in each compute node and one or more dedicated switch chassis. These are connected with a copper cables.".
- QsNet label "QsNet".
- QsNet sameAs Q4047740.
- QsNet sameAs m.02dl6z.
- QsNet sameAs QsNet.
- QsNet sameAs Q4047740.
- QsNet wasDerivedFrom QsNet?oldid=691598434.
- QsNet isPrimaryTopicOf QsNet.