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Barrier synchronization, an essential mechanism for a block of threads to guard data consistency, is regarded as a threat to performance. This study, however, provides a different viewpoint for barrier synchronization on GPUs: adding barrier synchronization, even when functionally unnecessary, can improve the performance of some memory-intensive applications. We explain this phenomenon using a memory...
A scalable and high performance RTI (Runtime Infrastructure) system implements a two-layer architecture to supporting large-scale simulation is proposed in this article. The two-layer architecture, Multiple-FedServ, exploits both centralized and distributed way to manage a simulation. In the first layer, each FedServ is in charge of a number of federates and in the second layer, a simulation federation...
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