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Graphics Processing Units (GPUs) offer high computational power but require high scheduling strain to manage parallel processes, which increases the GPU cross section. The results of extensive neutron radiation experiments performed on NVIDIA GPUs confirm this hypothesis. Reducing the application Degree Of Parallelism (DOP) reduces the scheduling strain but also modifies the GPU parallelism management,...
We have developed a model called MigBSP that controls processes rescheduling in BSP (bulk synchronous parallel)applications. A BSP application is composed by one or more supersteps, each one containing both computation and communication phases followed by a synchronization barrier. Since the barrier waits for the slowest process, MigBSPpsilas final idea is to adjust the processes location in order...
We have developed a model for dynamic process scheduling in heterogeneous and non-dedicated environments. This model acts over a BSP (Bulk Synchronous Parallel) application, applying runtime processes reassignment to new processors. A BSP application is divided in one or more supersteps, each one containing both computation and communication phases followed by a barrier synchronization. In this context,...
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