This paper proposes algorithms for optimization of the Remote Core Locking (RCL) synchronization method in multithreaded programs. We propose an algorithm for the initialization of RCL-locks and an algorithm for thread affinity optimization. The algorithms consider the structures of hierarchical computer systems and non-uniform memory access (NUMA) in order to minimize the execution time of multithreaded programs with RCL. The experimental results on multi-core computer systems show the reduction of execution time for programs with RCL.
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