Ahmad, S. A. ., M. F. . Mohamed Said, N. . Mohamed Ramli, and M. N. . Taib. “Characterization of MPI Communication Primitives on a Heterogeneous Cluster”. Scientific Research Journal, vol. 6, no. 2, Dec. 2009, pp. 23-30, doi:10.24191/srj.v6i2.5631.