Improving the Reliability and the Performance of CAPE by Using MPI for Data Exchange on Network

  • Van Long TranEmail author
  • Éric Renault
  • Viet Hai Ha
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9395)


CAPE — which stands for Checkpointing Aided Parallel Execution — has demonstrated to be a high-performance and compliant OpenMP implementation for distributed memory systems. CAPE is based on the use of checkpoints to automatically distribute jobs of OpenMP parallel constructs to distant machines and to automatically collect the calculated results on these machines to the master machine. However, on the current version, the data exchange on networks use manual sockets that require time to establish connections between machines for each parallel construct. Furthermore, this technique is not really reliable due to the risk of conflicts on ports and the problem of data exchange using stream. This paper aims at presenting the impact of using MPI to improve the reliability and the performance of CAPE. Both socket and MPI implementations are analyzed and discussed, and performance evaluations are provided.


CAPE OpenMP MPI High-performance computing Parallel programming 


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Institut Mines-Telecom – Telecom SudParisÉvryFrance
  2. 2.College of EducationHue UniversityHueVietnam

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