December 2011
Intermediate to advanced
426 pages
13h 30m
English
book
Power Systems Enterprise Servers with PowerVM Virtualization and RAS
by Dino Quintero, JinHoon Baek, Guillermo Diez, Hassan Elsetohy, Debra Francis, Bing He, Rajesh Jeyapaul, Anil Kalavakolanu, Tejaswini Kaujalgi, David Kgabo, Ricardo Puig, Vani Ramagiri
Content preview from Power Systems Enterprise Servers with PowerVM Virtualization and RAS
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Chapter 7. POWER7 Enterprise Server performance considerations 261
Figure 7-6 Configuring the processor compatibility mode
7.3.2 TurboCore and MaxCore modes
POWER7 high-end servers (780 and 795) offer two processor running modes:
MaxCore (default)
The MaxCore mode allows for all processor cores in the system to be activated.
TurboCore
The TurboCore mode allows for half of the processor cores in the system to be activated,
but the cores run at a higher speed and have access to the entire L3 cache on the chip.
The TurboCore mode allows the processor cores to execute at a higher frequency (about
7.25% higher) and to have more processor cache per core ...
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