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On the potential of automatic computation: communication overlap

Autor
Subotic, V.; Labarta, J.; Valero, M.; Veidenbaum, A.
Tipus d'activitat
Document cientificotècnic
Data
2009
Codi
UPC-DAC-RR-XCSD-2009-2
Resum
The current practice in programming massively parallel machines typically partitions a program into distinct phases of communication and computation. Overlapping of these two phases allows both processors and network to be utilized concurrently and leads to two clear benefits: overall speedup and a reduction in network performance requirements. Understanding how much overlap can be actually achieved in practice is an important problem that has not been sufficiently addressed. This paper describ...
Paraules clau
Large-scale Computing, Overlapping Communication And Computation, Performance Modeling
Grup de recerca
CAP - Grup de Computació d'Altes Prestacions

Participants