A Decoupled Execution Paradigm Programming Model

Programming models bridge the gap between the underlying hardware architecture and the supporting layers of software available to applications. Specifically, a programming model is an abstraction of the underlying computer system that allows for the expression of both algorithms and data structures and exists independently of the choice of both the programming language and the supporting APIs. In this project, a Decoupled Execution Paradigm (DEP) new programming model is introduced and evaluated. Our DEPM is focused on achieving increased developer productivity, performance, and portability to other system designs. The complexity of designing an exascale platform provide significant challenges for these goals. The representation and management of increasing levels of parallelism, concurrency and memory hierarchies, combined with the ability to maintain a progressive level of interoperability with today’s applications are of significant concern of this programming model. We expect that DEPM can be a building block on future applications using the DEP architecture.