Estimation of MPI application performance on volunteer environments
Document typeConference report
Rights accessRestricted access - publisher's policy
Emerging MPI libraries, such as VolpexMPI and P2P MPI, allow message passing parallel programs to execute effectively in heterogeneous volunteer environments despite frequent failures. However, the performance of message passing codes varies widely in a volunteer environment, depending on the application characteristics and the computation and communication characteristics of the nodes and the interconnection network. This paper has the dual goal of developing and validating a tool chain to estimate performance of MPI codes in a volunteer environment and analyzing the suitability of the class of computations represented by NAS benchmarks for volunteer computing. The framework is deployed to estimate performance in a variety of possible volunteer configurations, including some based on the measured parameters of a campus volunteer pool. The results show slowdowns by factors between 2 and 10 for different NAS benchmark codes for execution on a realistic volunteer campus pool as compared to dedicated clusters.
CitationNandagudi, G. [et al.]. Estimation of MPI application performance on volunteer environments. A: International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms. "Euro-Par 2011: Parallel Processing Workshops: CCPI, CGWS, HeteroPar, HiBB, HPCVirt, HPPC, HPSS, MDGS, ProPer, Resilience, UCHPC, VHPC: Bordeaux, France: August 29-September 2, 2011: revised selected papers". Bordeaux: Springer, 2011, p. 511-520.
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