Stefano Salvini

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Developers of parallel applications can be faced with the problem of combining the two dominant models for parallel processing—distributed-memory and shared-memory parallelism—within one source code. In this article we discuss why it is useful to combine these two programming methodologies, both of which are supported on most high-performance computers, and(More)
This paper discusses methods for expressing and tuning the performance of parallel programs, by using two programming models in the same program: distributed and shared memory. Case studies show how mixing these two approaches results in efficient machine use because the two models match the two levels of parallelism present in the architecture of current(More)
Astrophysical radio transients are excellent probes of extreme physical processes originating from compact sources within our Galaxy and beyond. Radio frequency signals emitted from these objects provide a means to study the intervening medium through which they travel. Next generation radio telescopes are designed to explore the vast unexplored parameter(More)
The HiPerDNO project aims to develop new applications to enhance the operational capabilities of Distribution Network Operators (DNO). Their delivery requires an advanced computational strategy. This paper describes a High Performance Computing (HPC) platform developed for these applications whilst also being flexible enough to accommodate new ones emerging(More)
Deductive entity-relationship data model and it's data language," Information and Software 54 Bibliography 1] D. Maier, \Why isn't there an object-oriented data model," Information 53 exposed. Yet, perhaps a handful, possibly as few as half a dozen models, will oat to the top of the heap of data models. Therefore, a goal of the research is to present a(More)