Miao Luo, Xiaoyi Lu, Khaled Hamidouche, K. Kandalla, D. Panda
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Initial study of multi-endpoint runtime for MPI+OpenMP hybrid programming model on multi-core systems
State-of-the-art MPI libraries rely on locks to guarantee thread-safety. This discourages application developers from using multiple threads to perform MPI operations. In this paper, we propose a high performance, lock-free multi-endpoint MPI runtime, which can achieve up to 40\% improvement for point-to-point operation and one representative collective operation with minimum or no modifications to the existing applications.
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