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Data Center Building O Show image information

Data Center Building O

Homogenizing Heterogeneity: The OmpSs Approach


Jesus Labarta, Barcelona Supercomputing Center, Spain


Initially aiming at the node level parallelization of HPC science and engineering codes, OmpSs has been proposing programming model features to enable the incremental migration of applications to the recent and foreseeable architectures. Heterogeneity is and will be an important characteristic of such systems but the spectrum of future devices is wide and open. In this context, ensuring programmer productivity and quality of life as well as code portability requires mechanisms that make heterogeneous systems appear as uniform as possible. The OmpSs task based approach provides such homogenization of heterogeneity, enabling the execution of a single program on nodes with just multicores or including 

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