My research interest focused on design, implementation, and modeling of parallel communication libraries, parallel computer architectures; Cluster and Grid computing; modeling of parallel benchmarks; Clusters with Hardware Accelerators.(GPU, MIC, and etc.); Parallel Programming models: MPI, CUDA, Open CL, Open MP, PGAS, TBB; Parallel I/O and distributed file system; and Communication over comodity networks: InfiniBand, Quadrics, Myricom and Sicortex.