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IBM System Blue Gene Solution Blue Gene/Q Application Development by Megan Gilge

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Blue Gene/Q personality
System calls that provide access to certain hardware or system features can be accessed by applications. This appendix illustrates how to obtain hardware-related information.
Personality of Blue Gene/Q nodes
The personality of a Blue Gene/Q node is the static data given to every compute node and I/O node at boot time by the Control System. This data contains information that is specific to the node, with respect to the block that is being booted.
The personality is a set of C language structures that contains such items ...

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