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The new summit supercomputer uses power9. The reason nobody used it before was there was no server processor available.

• gnufx 9y ago
  Yes, but most of the compute for Summit and Sierra is in the GPUs. I haven't seen and indication that even those actually have POWER9 yet.
  • shaklee3 9y ago
    They do, and they run many CPU-only applications that will run on the power. See the talks at gtc.