HP ROM-Based Setup Utility - Manual (Page 130)

DCU Streamer Prefetcher
NOTE: This option is available on Gen8 servers with Intel processors.
This option controls processor prefetching. 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
130 RBSU menu-driven interface, version 3.xx or later (G6, G7, and Gen8 servers)