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IBM Power Ideas Portal

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Status Not under consideration
Created by Guest
Created on Oct 19, 2022

InfiniBand adapters for Power10 based hardware

Customers are asking for a higher performance networking option than is currently available from the existing RoCE-capable 100 Gbps Ethernet adapters on Power10 based server models. Based on the performance seen with POWER9 based servers, they expect InfiniBand connectivity to deliver higher performance. The request would be ideally for HDR connections, but EDR would already provide an improvement.
Idea priority Medium
  • Guest
    May 2, 2023

    The low latency of IB rules out ethernet for HPC MPI customers. This and the ability to build a scalable fat tree are reasons customers are requesting IB on Power. Comments than I have read say that the IBM Power 9 server is 8x faster than the x86 on HPC workloads. Using IB HDR or NDR speeds and Power10 you have a solution that x86 can not deal with.

  • Guest
    Apr 25, 2023

    My high volume Customers are all HDR and NDR.

    A bridge switch to ethernet won’t work.

  • Guest
    Apr 21, 2023

    I am receiving more and more requests for Infiniband support on Power10 myself not only for HDR but also NDR as well.