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InfiniBand uses a switched fabric topology, as opposed to early shared medium Ethernet. All transmissions begin or end at a channel adapter. Each processor contains a host channel adapter (HCA) and each peripheral has a target channel adapter (TCA). These adapters can also exchange information for security or quality of service (QoS).
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.
70560 (Sandy Bridge), Infiniband ITER Japan, 2012 17 1050 1254.55 Tera 100: Bull bullx super-node S6010/S6030 138368 , Infiniband Commissariat à l'énergie atomique France, 2010 45 360 442 Bull Benchmarks SuperComputer II: Bull bullx super-node S6010/S6030 20480 (Sandy Bridge), Infiniband Groupe Bull France, 2012 63 274.80 308.28 JUROPA
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]
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]
Taiwania 3 uses InfiniBand HDR100 100 Gbit/s high speed Internet connection to ensure better performance of the supercomputer. The main memory capability is 192 GB. There's currently two Intel Xeon Platinum 8280 2.4 GHz CPU (28 Cores/CPU) inside each node. The full calculation capability is 2.7PFLOPS. [20]
Applications access control structures using well-defined APIs originally designed for the InfiniBand Protocol (although the APIs can be used for any of the underlying RDMA implementations). Using send and completion queues, applications perform RDMA operations by submitting work queue entries (WQEs) into the submission queue (SQ) and getting ...
Processor – The instruction set architecture or processor microarchitecture, alongside GPU and accelerators when available. Interconnect – The interconnect between computing nodes. InfiniBand is most used (38%) by performance share, while Gigabit Ethernet is most used (54%) by number of computers.