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Mellanox (acquired by Nvidia) manufactures InfiniBand host bus adapters and network switches, which are used by large computer system and database vendors in their product lines. [2] As a computer cluster interconnect, IB competes with Ethernet, Fibre Channel, and Intel Omni-Path. The technology is promoted by the InfiniBand Trade Association.
The proprietary interconnect network was based on the Infiniband QDR, enhanced with Chinese-made FeiTeng-1000 CPUs. [4] In the case of the interconnect the system is twice as fast as the Infiniband, but slower than some interconnects on other supercomputers. [57]
Omni-Path Architecture (OPA) is a high-performance communication architecture developed by Intel.It aims for low communication latency, low power consumption and a high throughput.
There are several modules available offering Infiniband connectivity on the M1000e chassis. Infiniband offers high bandwidth/low-latency intra-computer connectivity such as required in Academic HPC clusters, large enterprise datacenters and cloud applications. [51] There is the SFS M7000e InfiniBand switch from Cisco.
Leonardo is a petascale supercomputer located at the CINECA datacenter in Bologna, Italy.The system consists of an Atos BullSequana XH2000 computer, with close to 14,000 Nvidia Ampere GPUs and 200 Gbit/s Nvidia Mellanox HDR InfiniBand connectivity. [2]
In 2017–2018, IBM and Nvidia delivered the Summit and Sierra supercomputers for the US Department of Energy [44] which combine IBM's POWER9 family of CPUs and Nvidia's Volta architecture, using NVLink 2.0 for the CPU-GPU and GPU-GPU interconnects and InfiniBand EDR for the system interconnects. [45]
HyperTransport (HT), formerly known as Lightning Data Transport, is a technology for interconnection of computer processors. It is a bidirectional serial/parallel high-bandwidth, low-latency point-to-point link that was introduced on April 2, 2001. [1] The HyperTransport Consortium is in charge of promoting and developing HyperTransport technology.
In computing, remote direct memory access (RDMA) is a direct memory access from the memory of one computer into that of another without involving either one's operating system. This permits high-throughput, low-latency networking, which is especially useful in massively parallel computer clusters.
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