Dell PowerEdge SDS 100 Dell PowerEdge R720 and R720xd Owner's Manual - Page 25

Adjacent Cache Line Prefetch, Requestor Transaction ID Setting

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Menu Item QPI Speed Description processors. If this option is set to Disabled, the BIOS only displays one logical processor per core. By default, the Logical Processor option is set to Enabled. Allows you to set the QuickPath Interconnect data rate settings. By default, the QPI Speed option is set to Maximum data rate. NOTE: The QPI speed option displays only when both the processors are installed. Alternate RTID (Requestor Transaction ID) Setting Allows you to allocate more RTIDs to the remote socket increasing cache performance between the sockets or work in normal mode for NUMA. By default, the Alternate RTID (Requestor Transaction ID) Setting is set to Disabled. Virtualization Technology Allows you to enable or disable the additional hardware capabilities provided for virtualization. By default, the Virtualization Technology option is set to Enabled. Adjacent Cache Line Prefetch Allows you to optimize the system for applications that require high utilization of sequential memory access. By default, the Adjacent Cache Line Prefetch option is set to Enabled. You can disable this option for applications that require high utilization of random memory access. Hardware Prefetcher Allows you to enable or disable hardware prefetcher. By default, the Hardware Prefetcher option is set to Enabled. DCU Streamer Prefetcher Allows you to enable or disable Data Cache Unit streamer prefetcher. By default, the DCU Streamer Prefetcher option is set to Enabled. DCU IP Prefetcher Allows you to enable or disable Data Cache Unit IP prefetcher. By default, the DCU IP Prefetcher option is set to Enabled. Execute Disable Allows you enable or disable execute disable memory protection technology. By default, the Execute Disable option is set to Enabled. Logical Processor Idling Allows you to enable or disable the OS capability to put logical processors in the idling state in order to reduce power consumption. By default, the option is set to Disabled. Number of Cores per Allows you to control the number of enabled cores in each processor. By default, the Number Processor of Cores per Processor option is set to All. Processor 64-bit Support Specifies if the processor(s) support 64-bit extensions. Processor Core Speed Displays the maximum core frequency of the processor. Processor Bus Speed Displays the bus speed of the processors. NOTE: The processor bus speed option displays only when both the processors are installed. Processor 1 NOTE: The following settings are displayed for each processor installed in the system. Family-ModelStepping Brand Displays the family, model and stepping of the processor as defined by Intel. Displays the brand name reported by the processor. 25

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Menu Item
Description
processors. If this option is set to
Disabled
, the BIOS only displays one logical processor per
core. By default, the
Logical Processor
option is set to
Enabled
.
QPI Speed
Allows you to set the QuickPath Interconnect data rate settings. By default, the
QPI Speed
option is set to
Maximum data rate
.
NOTE:
The QPI speed option displays only when both the processors are installed.
Alternate RTID
(Requestor
Transaction ID)
Setting
Allows you to allocate more RTIDs to the remote socket increasing cache performance
between the sockets or work in normal mode for NUMA. By default, the
Alternate RTID
(Requestor Transaction ID) Setting
is set to
Disabled
.
Virtualization
Technology
Allows you to enable or disable the additional hardware capabilities provided for virtualization.
By default, the
Virtualization Technology
option is set to
Enabled
.
Adjacent Cache Line
Prefetch
Allows you to optimize the system for applications that require high utilization of sequential
memory access. By default, the
Adjacent Cache Line Prefetch
option is set to
Enabled
. You can
disable this option for applications that require high utilization of random memory access.
Hardware Prefetcher
Allows you to enable or disable hardware prefetcher. By default, the
Hardware Prefetcher
option is set to
Enabled
.
DCU Streamer
Prefetcher
Allows you to enable or disable Data Cache Unit streamer prefetcher. By default, the
DCU
Streamer Prefetcher
option is set to
Enabled
.
DCU IP Prefetcher
Allows you to enable or disable Data Cache Unit IP prefetcher. By default, the
DCU IP
Prefetcher
option is set to
Enabled
.
Execute Disable
Allows you enable or disable execute disable memory protection technology. By default, the
Execute Disable
option is set to
Enabled
.
Logical Processor
Idling
Allows you to enable or disable the OS capability to put logical processors in the idling state in
order to reduce power consumption. By default, the option is set to
Disabled
.
Number of Cores per
Processor
Allows you to control the number of enabled cores in each processor. By default, the
Number
of Cores per Processor
option is set to
All
.
Processor 64-bit
Support
Specifies if the processor(s) support 64-bit extensions.
Processor Core
Speed
Displays the maximum core frequency of the processor.
Processor Bus Speed
Displays the bus speed of the processors.
NOTE:
The processor bus speed option displays only when both the processors are
installed.
Processor 1
NOTE:
The following settings are displayed for each processor installed in the system.
Family-Model-
Stepping
Displays the family, model and stepping of the processor as defined by Intel.
Brand
Displays the brand name reported by the processor.
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