The advent of petascale computing has introduced new challenges (eg Heterogeneity,
system failure) for programming scalable parallel applications. Increased complexity and …

Exascale systems will require new approaches to performance observation, analysis, and
runtime decision-making to optimize for performance and efficiency. The standard" first …

Fine-grained communication in supercomputing applications often limits performance
through high communication overhead and poor utilization of network bandwidth. This paper …

Overheads associated with fine grained communication in task based runtime systems are
one of the major bottlenecks that limit the performance of distributed applications. In this …

Control and data dependencies represent prominent information for modeling, managing,
testing and optimizing service based business processes (SBPs). BPMN 2.0, as a twofold …

Due to increasingly heterogeneous computing resources and complex application logic,
there has been a renewed interest in Asynchronous Many-Task (AMT) computation …

Task-based runtimes like OCR, X10 and Charm++ promise to address scalability challenges
on Exascale machines due to their finegrained parallelism, inherent asynchrony, and …

Exascale, a new era of computing, is knocking at the door. Leaving behind the days of high
frequency, singlecore processors, the new paradigm of multicore/manycore processors in …

Abstract Asynchronous Many-Task (AMT) runtime systems are based on the idea of dividing
an algorithm into small units of work, known as tasks. The runtime system is then …

The study of the Hubbard model in three dimensions contains a variety of phases dependent
upon the chosen parameters. This thesis shows that there is the indication of a zero …