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EGPGV
2004
Springer
165views Visualization» more  EGPGV 2004»
13 years 10 months ago
Tuning of Algorithms for Independent Task Placement in the Context of Demand-Driven Parallel Ray Tracing
This paper investigates assignment strategies (load balancing algorithms) for process farms which solve the problem of online placement of a constant number of independent tasks w...
Tomas Plachetka
PVM
2009
Springer
13 years 11 months ago
Optimizing MPI Runtime Parameter Settings by Using Machine Learning
Abstract. Manually tuning MPI runtime parameters is a practice commonly employed to optimise MPI application performance on a specific architecture. However, the best setting for ...
Simone Pellegrini, Jie Wang, Thomas Fahringer, Han...
IPPS
2008
IEEE
13 years 11 months ago
Performance characterization and optimization of parallel I/O on the Cray XT
This paper presents an extensive characterization, tuning, and optimization of parallel I/O on the Cray XT supercomputer, named Jaguar, at Oak Ridge National Laboratory. We have c...
Weikuan Yu, Jeffrey S. Vetter, Sarp Oral
EUROPAR
2009
Springer
13 years 11 months ago
Atune-IL: An Instrumentation Language for Auto-tuning Parallel Applications
Automatic performance tuning (auto-tuning) has been used in parallel numerical applications for adapting performance-relevant parameters. We extend auto-tuning to general-purpose ...
Christoph A. Schaefer, Victor Pankratius, Walter F...
EUROPAR
2005
Springer
13 years 10 months ago
Automatic Tuning of PDGEMM Towards Optimal Performance
Sophisticated parallel matrix multiplication algorithms like PDGEMM exhibit a complex structure and can be controlled by a large set of parameters including blocking factors and bl...
Sascha Hunold, Thomas Rauber