Abstract. One of the most important collective communication patterns for scientific applications is the many to many, also called complete exchange. Although efficient All-to-All...
The Cosmic Microwave Background (CMB) is an exquisitely sensitive probe of the fundamental parameters of cosmology. Extracting this information is computationally intensive, requi...
Julian Borrill, Jonathan Carter, Leonid Oliker, Da...
This paper proposes a performance tools interface for OpenMP, similar in spirit to the MPI profiling interface in its intent to define a clear and portable API that makes OpenMP ex...
Bernd Mohr, Allen D. Malony, Sameer Shende, Felix ...
—In this paper, we analyze restrictions of traditional models affecting the accuracy of analytical prediction of the execution time of collective communication operations. In par...
Alexey L. Lastovetsky, Vladimir Rychkov, Maureen O...
The complexity of parallel I/O systems lies in the deep I/O stack with many software layers and concurrent I/O request handling at multiple layers. This paper explores multi-layer...