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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
108 IBM Power Systems 775 for AIX and Linux HPC Solution
shared data, tasks communicate with one another by sending and receiving messages. UPC
introduces the concept of
affinity, which refers to the physical association between shared
memory and a particular thread. The PGAS programming model facilitates data locality
exploitation. In addition, the PGAS programming model uses one-sided communication to
reduce the cost of inter-thread communication, as shown in Figure 2-2.
Figure 2-2 Partitioned Global Address Space (PGAS) model
The UPC and other PGAS programming models are the primary target for the global shared
memory facility of the hib chip ...
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Publisher Resources

ISBN: 073843731XPurchase book