Enabling Or Disabling The Dcu Ip Stream Prefetch Function; Qpi Snoop Configuration; Setting The Qpi Snoop Configuration; Qpi Bandwidth Optimization (Rtid) - HPE ProLiant Gen9 User Manual

Enabling or disabling the DCU IP stream prefetch function

Procedure
1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration
(RBSU) > Performance Options > Advanced Performance Tuning Options > DCU IP Prefetcher and
press Enter.
2. Select a setting and press Enter.
a. Enabled
b. Disabled
3. Press F10.

QPI Snoop Configuration

Use this option to choose the snoop mode used by the processor and QPI bus. Changing this option can
impact memory performance.

Setting the QPI snoop configuration

Procedure
1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration
(RBSU) > Performance Options > Advanced Performance Tuning Options > QPI Snoop
Configuration and press Enter.
2. Select a setting and press Enter.
a. Home Snoop—Provides high memory bandwidth in an average NUMA environment.
b. Early Snoop—Decreases memory latency, but might also result in lower overall bandwidth as
compared to the other modes.
c. Cluster on Die—Provides increased memory bandwidth in highly optimized NUMA workloads.
3. Press F10.

QPI Bandwidth Optimization (RTID)

Use this option to configure the QPI link between two processors for optimal performance.
NOTE:
Changing this option from Balanced Performance can have a negative impact on memory and system
performance.
90 Enabling or disabling the DCU IP stream prefetch function