Changing Performance Options using UEFI System Utilities

IMPORTANT:

Be sure to observe all pop-up messages displayed in UEFI System Utilities that pertain to persistent memory. Failure to follow the instructions in these messages might cause persistent memory data loss.

IMPORTANT:

Always follow recommendations from your software application provider for high-availability best practices to ensure maximum uptime and data protection.

Procedure
  1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Memory Options > Persistent Memory Options > PMM Options > Performance Options.
  2. Based on your server workload and performance requirements, update the following options:

    • Performance Setting—Controls the baseline performance setting, depending on the workload behavior:

      • Bandwidth Optimized—Default

      • Latency Optimized

    • Quality of Service—Controls the Quality of Service profiles:

      • Disabled—Default

      • Profile 1—Recommended for four or more HPE Persistent Memory modules per socket.

      • Profile 2—Recommended for two HPE Persistent Memory modules per socket.

      • Profile 3—Recommended for one HPE Persistent Memory module per socket.

    • FastGo Configuration—Controls optimization of traffic within the processor:

      • Auto—Default

      • Enabled

      • Disabled

    • Snoopy Mode for App Direct—Enable this option to avoid directory updates to HPE Persistent Memory modules for non-NUMA (non-uniform memory access) optimized workloads:

      • Disabled—Default

      • Enabled

    • Snoopy Mode for Memory mode—Enable this option to avoid directory updates to HPE Persistent Memory modules for non-NUMA optimized workloads:

      • Disabled—Default

      • Enabled

  3. To save your changes, press the F12 key.