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ICDCS
2012
IEEE
11 years 10 months ago
Combining Partial Redundancy and Checkpointing for HPC
Today’s largest High Performance Computing (HPC) systems exceed one Petaflops (1015 floating point operations per second) and exascale systems are projected within seven years...
James Elliott, Kishor Kharbas, David Fiala, Frank ...
IPPS
2008
IEEE
14 years 2 months ago
Scaling alltoall collective on multi-core systems
MPI Alltoall is one of the most communication intense collective operation used in many parallel applications. Recently, the supercomputing arena has witnessed phenomenal growth o...
Rahul Kumar, Amith R. Mamidala, Dhabaleswar K. Pan...
PPOPP
2006
ACM
14 years 1 months ago
Fast and transparent recovery for continuous availability of cluster-based servers
Recently there has been renewed interest in building reliable servers that support continuous application operation. Besides maintaining system state consistent after a failure, o...
Rosalia Christodoulopoulou, Kaloian Manassiev, Ang...
CCGRID
2007
IEEE
14 years 2 months ago
Dynamic Malleability in Iterative MPI Applications
Malleability enables a parallel application’s execution system to split or merge processes modifying granularity. While process migration is widely used to adapt applications to...
Kaoutar El Maghraoui, Travis J. Desell, Boleslaw K...
HPDC
2010
IEEE
13 years 8 months ago
Scalability of communicators and groups in MPI
As the number of cores inside compute clusters continues to grow, the scalability of MPI (Message Passing Interface) is important to ensure that programs can continue to execute o...
Humaira Kamal, Seyed M. Mirtaheri, Alan Wagner