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On modern supercomputers, asynchronous many task systems are emerging toaddress the new architecture of computational nodes. Through this shift ofincreasing cores per node, a new programming model with the focus on handle thefine-grain parallelism of this increasing amount of cores per computationalnode is needed. Asynchronous Many Task (AMT) run time systems represent anemerging paradigm for addressing fine-grain parallelism since they handle theincreasing amount of threads per node and concurrency. HPX, a open source C++standard library for parallelism and concurrency, is one AMT which is confirmwith the C++ standard. Which means that HPX's Application Programming Interface(API) is confirm with its definition by the C++ standard committee. For examplefor the concept of futurization the hpx:future can be replaced by std::futurewithout breaking the API. Peridynamics is a non-local generalization ofcontinuum mechanics tailored to address discontinuous displacement fieldsarising in fracture mechanics. As many non-local approaches, peridynamicsrequires considerable computing resources to solve practical problems. Thispaper investigates the implementation of a peridynamics EMU nodaldiscretization in an asynchronous task-based fashion. The scalability ofasynchronous task-based implementation is to be in agreement with theoreticalestimations. In addition, to the scalabilty the code is convergent for implicittime integration and recovers theoretical solutions. Explicit time integration,convergence results are presented to showcase the agreement of results withtheoretical claims in previous works.

An asynchronous and task-based implementation of Peridynamics utilizing HPX -- the C++ standard library for parallelism and concurrency