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Diffstat (limited to 'Source/Initialization/WarpXAMReXInit.cpp')
-rw-r--r-- | Source/Initialization/WarpXAMReXInit.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Source/Initialization/WarpXAMReXInit.cpp b/Source/Initialization/WarpXAMReXInit.cpp new file mode 100644 index 000000000..5b0b366fa --- /dev/null +++ b/Source/Initialization/WarpXAMReXInit.cpp @@ -0,0 +1,44 @@ +/* Copyright 2020 Axel Huebl + * + * This file is part of WarpX. + * + * License: BSD-3-Clause-LBNL + */ + +#include "Initialization/WarpXAMReXInit.H" + +#include <AMReX_ParmParse.H> + + +namespace { + /** Overwrite defaults in AMReX Inputs + * + * This overwrites defaults in amrex::ParamParse for inputs. + */ + void + overwrite_amrex_parser_defaults() + { + amrex::ParmParse pp("amrex"); + + // https://amrex-codes.github.io/amrex/docs_html/GPU.html#inputs-parameters + bool abort_on_out_of_gpu_memory = true; // AMReX' default: false + pp.query("abort_on_out_of_gpu_memory", abort_on_out_of_gpu_memory); + pp.add("abort_on_out_of_gpu_memory", abort_on_out_of_gpu_memory); + } +} + +amrex::AMReX* +warpx_amrex_init(int& argc, char**& argv) +{ + // note: AMReX defines a placeholder/"mock-up" for MPI_COMM_WORLD in serial builds + bool const build_parm_parse = true; // AMReX' default + MPI_Comm const mpi_comm = MPI_COMM_WORLD; // AMReX' default + + return amrex::Initialize( + argc, + argv, + build_parm_parse, + mpi_comm, + overwrite_amrex_parser_defaults + ); +} |