POWER9
Realizes: General-purpose CPUs → PowerPC / POWER
2017 IBM POWER9 processor featuring OpenCAPI, NVLink, and SMT, powering Summit and IBM Power9 servers.
Examples
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Summit/AC922 POWER9 system
Summit supercomputer nodes and IBM AC922 servers built around POWER9 processors with OpenCAPI accelerators and NVLink GPU interconnects.
OpenCAPI coherent accelerator links, NVLink GPU fabric, SMT 4/8 threading per core to support dense HPC workloads.