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IBM Power Systems 775 for AIX and Linux HPC Solution
book

IBM Power Systems 775 for AIX and Linux HPC Solution

by Dino Quintero, Kerry Bosworth, Puneet Chaudhary, Rodrigo Garcia da Silva, ByungUn Ha, Jose Higino, Marc-Eric Kahle, Tsuyoshi Kamenoue, James Pearson, Mark Perez, Fernando Pizzano, Robert Simon, Kai Sun
October 2012
Intermediate to advanced content levelIntermediate to advanced
358 pages
11h 26m
English
IBM Redbooks
Content preview from IBM Power Systems 775 for AIX and Linux HPC Solution
Chapter 2. Application integration 119
򐂰 Support for the HFI global counter of the IBM POWER7 server, which replaced the global
counter of the high performance switch as a time source.
򐂰 A new messaging API called PAMI, which replaces the LAPI interface that is used in
earlier versions of Parallel Environment. In addition to providing point-to-point messaging
support, PAMI provides support for collective communications. This collective support is
used by PE MPI when it is appropriate. LAPI is still supported by PE, but its use is
deprecated, and users must migrate to PAMI.
򐂰 A new run queue-based co-scheduler, in addition to the POE priority adjustment
co-scheduler. The run queue-based co-scheduler uses features of AIX 7.1 and the
POWER7 architecture ...
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Publisher Resources

ISBN: 073843731XPurchase book