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Setting adjacent sector prefetch – HP Unified Extensible Firmware Interface User Manual

Page 104

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To set HW prefetcher:
1.

From the System Utilities screen, select System Configuration

→BIOS/Platform Configuration

(RBSU)

→Advanced Options→Advanced Performance Tuning Options→HW Prefetcher and

press Enter.

2.

Select one of the following options:

Enabled

Disabled

3.

Press F10 to save your selection.

Figure 95 Advanced Options — HW Prefetcher screen

Setting Adjacent Sector Prefetch

You can disable the processor prefetch option. In most cases, this option should remain enabled.
With certain workloads, however, disabling this option can provide a performance benefit. Disable
this option only after performing application benchmarking to verify improved performance in a
particular environment.

IMPORTANT:

Disabling this option is not recommended because it typically degrades system

performance.

To set adjacent sector prefetch:
1.

From the System Utilities screen, select System Configuration

→BIOS/Platform Configuration

(RBSU)

→Advanced Options→Advanced Performance Tuning Options→Adjacent Sector Prefetch

and press Enter.

2.

Select one of the following options:

Enabled (default)

Disabled

3.

Press F10 to save your selection.

104 Accessing the System Configuration Menu

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