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Parallelization and acceleration abstractions for performance scaling and portability.

License: GNU Affero General Public License v3.0

C++ 86.43% CMake 13.03% Shell 0.55%

performance-portability acceleration parallel-computing cuda sycl openmp mpi cpp python

paracabs's Introduction

Paracabs

Parallelization and acceleration abstractions for code and performance portability. By abstracting away the implementation specifics, we provide a limited but unified interface for parallelization and acceleration.

Abstraction back ends

Multi-threading

OpenMP

Message passing

Acceleration

CUDA
SYCL

Disclaimer

This library was built for use in the 3D radiative transfer code Magritte.

References

This library is largely inspired by, but not as complete as:

Grid, by Peter Boyle et al.
Hemi, by Mark Harris et al.
Eigen

paracabs's People

Contributors

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paracabs's Issues

`paracabs::datatypes::Vector<type>` only works for some types and e.g. no custom types.

Make this clear in the documentation.

OpenMP does not seem to work when compiled with nvcc.

In particular:
paracabs::multi_threading::set_n_threads() does not seem to have any effect anymore.

Currently this is not much of an issue since we only want to use MPI in combination with CUDA.

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