Enabling or disabling Sub-NUMA Clustering

About this task

Sub-NUMA Clustering divides the cores, cache, and memory of the processor into multiple NUMA domains. Enabling this option can increase performance for workloads that are NUMA aware and optimized.

NOTE

Up to 1 GB of system memory might become unavailable when Sub-NUMA Clustering is enabled.

Procedure

  1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Power and Performance Options > Sub-NUMA Clustering.
  2. Select a setting.

    • Disabled

    • SNC2

    • SNC4

  3. Save your setting.