Node Interleaving

Enabling or disabling node interleaving

Intel NIC DMA Channels (IOAT)

Enabling or disabling DMA acceleration on Intel NICs

HW Prefetcher

Enabling or disabling the Intel prefetch function

Adjacent Sector Prefetcher

Enabling or disabling the adjacent sector prefetch function

DCU Stream Prefetcher

Enabling or disabling the DCU stream prefetch function

DCU IP Prefetcher

Enabling or disabling the DCU IP stream prefetch function

QPI Snoop Configuration

Setting the QPI snoop configuration

QPI Bandwidth Optimization (RTID)

Setting QPI Bandwidth Optimization (RTID)

Memory Proximity Reporting for I/O

Enabling or disabling Memory Proximity Reporting for I/O

I/O Non-posted Prefetching

Enabling or disabling I/O Non-posted Prefetching

NUMA Group Size Optimization

Intel Performance Monitoring Support

Enabling or disabling Intel Performance Monitoring Support

Setting NUMA Group Size Optimization

  1. From the System Utilities screen, select System ConfigurationBIOS/Platform Configuration (RBSU)Performance OptionsAdvanced Performance Tuning OptionsNUMA Group Size Optimization and press Enter.

  2. Select a setting and press Enter.

    • Clustered (default)—Optimizes groups along NUMA boundaries, providing better performance.

    • Flat—Enables applications that are not optimized to take advantage of processors spanning multiple groups to utilize more logical processors.

  3. Press F10.