Generic and efficient communications for clusters and grids

The context of this thesis is the high-performance computing on cluster and Cluster-of-Clusters. The goal of this thesis is to study the impact of the heterogeneity on the performance on the clusters and the Cluster-of-Clusters. We proposed RWAPI, a communication library which implements the one-sided communication protocol based on the Remote-write protocol. The flexible and modular design of RWAPI allows the support of a broadband of network types. RWAPI allows the user to launch a parallel application on an heterogeneous Cluster-of-Clusters. RWAPI deals with communications between the application's processes, it introduces gateway processes to allow communications between not-directly reachable processes. The development of an application deployment tool called Fughara was required in order to reach all the nodes of the hierarchical topology. The preliminary performance results are encouraging ; RWAPI demonstrates a low latency and a high throughput communications. RWAPI is more efficient than the famous parallel communication library MPICH for various benchmarks.EVRY-BU (912282101) / SudocEVRY-INT (912282302) / SudocSudocFranceF