HP ROM-Based Setup Utility - Manual (Page 136)

CPU Core Hardware Prefetcher
NOTE: This option is available on G7 and Gen8 servers with AMD processors.
This option controls prefetch capability activation between processor cores. In most cases, this
option should remain enabled. With certain workloads, however, disabling this option may provide
a performance benefit. Disable this option only after performing application benchmarking to verify
improved performance in a particular environment.
Options include:
•
Enabled (default)
•
Disabled
136 RBSU menu-driven interface, version 3.xx or later (G6, G7, and Gen8 servers)