The performance of the MPI’s collective communications is critical in most MPI-based applications. A general algorithm for a given collective communication operation may not give...
Sathish S. Vadhiyar, Graham E. Fagg, Jack Dongarra
In this paper, we analyze restrictions of traditional communication performance models affecting the accuracy of analytical prediction of the execution time of collective communic...
Alexey L. Lastovetsky, Vladimir Rychkov, Maureen O...
Although recent works try to improve collective communication in grid systems by separating intra and intercluster communication, the optimisation of communications focus only on ...
: Networks of Workstations (NOW) have become an attractive alternative platform for high performance computing. Due to the commodity nature of workstations and interconnects and du...
Mohammad Banikazemi, Jayanthi Sampathkumar, Sandee...
This paper presents and validates performance models for a variety of high-performance collective communication algorithms for systems with Cell processors. The systems modeled in...