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The Einstein Toolkit Consortium is developing and supporting open software for relativistic astrophysics. Our aim is to provide the core computational tools that can enable new science, broaden our community, facilitate interdisciplinary research and take advantage of emerging petascale computers and advanced cyberinfrastructure.
MPI+CUDA Programming Framework CaCUDA - Unleash the Power of Cactus on Hybrid Systems We present a massive data parallel computational framework that can be used to develop large scale scientific applications on such petascale/exascale hybrid systems. The framework is built upon the highly ... [More]
The "F5" library is an I/O library in C that implements a semantic layer inspired by the mathematics of Fiber Bundles on top of the HDF5 library. The intention of the F5 library is to achieve interoperability among applications via a Common Data Model, thereby reducing the N x M ... [More]
Carpet is an adaptive mesh refinement and multi-patch driver for the Cactus Framework. Cactus is a software framework for solving time-dependent partial differential equations on block-structured grids, and Carpet acts as driver layer providing adaptive mesh refinement, multi-patch capability, as well as parallelisation and efficient I/O.
Performing large three-dimensional time-dependent simulations is a complex numerical task. Managing such simulations, often several at the same time as they execute on different supercomputers, is comparable to herding cats — supercomputers differ in their hardware configuration, available ... [More]
The Llama code is a 3-dimensional multiblock infrastructure with adaptive mesh-refinement for Cactus based on Carpet. It provides different patch systems that cover the simulation domain by a set of overlapping patches. Each of these patches has local cooordinates with a well-defined relation to ... [More]
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