Sciweavers

PVM
2010
Springer
13 years 2 months ago
Enabling Concurrent Multithreaded MPI Communication on Multicore Petascale Systems
With the ever-increasing numbers of cores per node on HPC systems, applications are increasingly using threads to exploit the shared memory within a node, combined with MPI across ...
Gábor Dózsa, Sameer Kumar, Pavan Bal...
PVM
2010
Springer
13 years 2 months ago
MPI Datatype Marshalling: A Case Study in Datatype Equivalence
MPI datatypes are a convenient abstraction for manipulating complex data structures and are useful in a number of contexts. In some cases, these descriptions need to be preserved o...
Dries Kimpe, David Goodell, Robert B. Ross
PVM
2010
Springer
13 years 2 months ago
Dodging the Cost of Unavoidable Memory Copies in Message Logging Protocols
Abstract. With the number of computing elements spiraling to hundred of thousands in modern HPC systems, failures are common events. Few applications are nevertheless fault toleran...
George Bosilca, Aurelien Bouteiller, Thomas H&eacu...
PVM
2010
Springer
13 years 2 months ago
Adaptive MPI Multirail Tuning for Non-uniform Input/Output Access
Multicore processors have not only reintroduced Non-Uniform Memory Access (NUMA) architectures in nowadays parallel computers, but they are also responsible for non-uniform access ...
Stephanie Moreaud, Brice Goglin, Raymond Namyst