Summit or OLCF-4 is a supercomputer developed by IBM for use at Oak Ridge National Laboratory, which as of June 8, 2018 is the fastest supercomputer in the world. Its processing power is clocked at 200 petaflops.
Video Summit (supercomputer)
Design
Each node has over 500GB of coherent memory (high-bandwidth memory plus DDR4 SDRAM) which is addressable by all CPUs and GPUs plus 800GB of non-volatile RAM that can be used as a burst buffer or as extended memory. The POWER9 CPUs and Volta GPUs are connected using NVIDIA's high speed NVLink. This allows for a heterogeneous computing model. To provide a high rate of data throughput, the nodes will be connected in a non-blocking fat-tree topology using a dual-rail Mellanox EDR InfiniBand interconnect for both storage and inter-process communications traffic which delivers both 200Gb/s bandwidth between nodes and in-network computing acceleration for communications frameworks such as MPI and SHMEM/PGAS.
Maps Summit (supercomputer)
See also
- Titan (supercomputer) - OLCF-3
- Sierra (supercomputer) - a similar POWER9 NVLink system
- Frontier (supercomputer) - OLCF-5
- TOP500
- OpenBMC
- Red Hat Enterprise Linux
References
Source of article : Wikipedia
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