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Enable on-device halo exchange in interpolation.
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145 changes: 145 additions & 0 deletions
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src/tests/interpolation/test_interpolation_structured2D_to_points_gpu.cc
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| /* | ||
| * (C) Copyright 2013 ECMWF. | ||
| * | ||
| * This software is licensed under the terms of the Apache Licence Version 2.0 | ||
| * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. | ||
| * In applying this licence, ECMWF does not waive the privileges and immunities | ||
| * granted to it by virtue of its status as an intergovernmental organisation | ||
| * nor does it submit to any jurisdiction. | ||
| */ | ||
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| #include "atlas/array.h" | ||
| #include "atlas/field/Field.h" | ||
| #include "atlas/field/FieldSet.h" | ||
| #include "atlas/functionspace/PointCloud.h" | ||
| #include "atlas/functionspace/StructuredColumns.h" | ||
| #include "atlas/grid/Grid.h" | ||
| #include "atlas/grid/Iterator.h" | ||
| #include "atlas/interpolation.h" | ||
| #include "atlas/mesh/Mesh.h" | ||
| #include "atlas/meshgenerator.h" | ||
| #include "atlas/output/Gmsh.h" | ||
| #include "atlas/util/CoordinateEnums.h" | ||
| #include "atlas/util/function/VortexRollup.h" | ||
| #include "atlas/util/PolygonXY.h" | ||
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| #include "tests/AtlasTestEnvironment.h" | ||
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| using atlas::functionspace::PointCloud; | ||
| using atlas::functionspace::StructuredColumns; | ||
| using atlas::util::Config; | ||
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| namespace atlas { | ||
| namespace test { | ||
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| //----------------------------------------------------------------------------- | ||
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| std::string input_gridname(const std::string& default_grid) { | ||
| return eckit::Resource<std::string>("--input-grid", default_grid); | ||
| } | ||
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| FunctionSpace output_functionspace( const FunctionSpace& input_functionspace, bool expect_fail ) { | ||
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| std::vector<PointXY> all_points { | ||
| {360., 90.}, | ||
| {360., 0.}, | ||
| {360., -90.}, | ||
| {0.,0.}, | ||
| }; | ||
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| // Only keep points that match the input partitioning. | ||
| // Note that with following implementation it could be that some points | ||
| // are present in two partitions, but it is not a problem for this test purpose. | ||
| std::vector<PointXY> points; | ||
| auto polygon = util::PolygonXY{input_functionspace.polygon()}; | ||
| for (const auto& p : all_points ) { | ||
| if (polygon.contains(p)) { | ||
| points.emplace_back(p); | ||
| } | ||
| } | ||
| if( expect_fail && mpi::rank() == mpi::size() - 1 ) { | ||
| points.emplace_back(720,0.); | ||
| } | ||
| return PointCloud(points); | ||
| } | ||
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| FieldSet create_source_fields(StructuredColumns& fs, idx_t nb_fields, idx_t nb_levels) { | ||
| using Value = double; | ||
| FieldSet fields_source; | ||
| auto lonlat = array::make_view<double, 2>(fs.xy()); | ||
| for (idx_t f = 0; f < nb_fields; ++f) { | ||
| auto field_source = fields_source.add(fs.createField<Value>()); | ||
| auto source = array::make_view<Value, 2>(field_source); | ||
| for (idx_t n = 0; n < fs.size(); ++n) { | ||
| for (idx_t k = 0; k < nb_levels; ++k) { | ||
| source(n, k) = util::function::vortex_rollup(lonlat(n, LON), lonlat(n, LAT), 0.5 + double(k) / 2); | ||
| } | ||
| }; | ||
| field_source.updateDevice(); | ||
| } | ||
| return fields_source; | ||
| } | ||
| FieldSet create_target_fields(FunctionSpace& fs, idx_t nb_fields, idx_t nb_levels) { | ||
| using Value = double; | ||
| FieldSet fields_target; | ||
| for (idx_t f = 0; f < nb_fields; ++f) { | ||
| auto field_target = fields_target.add(fs.createField<Value>(option::levels(nb_levels))); | ||
| field_target.updateDevice(); | ||
| } | ||
| return fields_target; | ||
| } | ||
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| void do_test( std::string type, int input_halo, bool matrix_free, bool expect_failure ) { | ||
| idx_t nb_fields = 2; | ||
| idx_t nb_levels = 3; | ||
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| Grid input_grid(input_gridname("O32")); | ||
| StructuredColumns input_fs(input_grid, option::levels(nb_levels) | | ||
| option::halo(input_halo)); | ||
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| FunctionSpace output_fs = output_functionspace(input_fs, expect_failure); | ||
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| Interpolation interpolation(option::type(type) | | ||
| util::Config("matrix_free",matrix_free) | | ||
| util::Config("sparse_matrix_multiply", "hicsparse") | | ||
| util::Config("verbose",eckit::Resource<bool>("--verbose",false)), | ||
| input_fs, output_fs); | ||
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| FieldSet fields_source = create_source_fields(input_fs, nb_fields, nb_levels); | ||
| FieldSet fields_target = create_target_fields(output_fs, nb_fields, nb_levels); | ||
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| interpolation.execute(fields_source, fields_target); | ||
| } | ||
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| CASE("test structured-bilinear, halo 2, with matrix") { | ||
| EXPECT_NO_THROW( do_test("structured-bilinear",2,false,false) ); | ||
| } | ||
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| CASE("test structured-bilinear, halo 2, with matrix, expected failure") { | ||
| EXPECT_THROWS_AS( do_test("structured-bilinear",2,false,true), eckit::Exception ); | ||
| } | ||
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| CASE("test structured-bilinear, halo 2, without matrix, expected failure") { | ||
| EXPECT_THROWS_AS( do_test("structured-bilinear",2,false,true), eckit::Exception ); | ||
| } | ||
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| CASE("test structured-bilinear, halo 1, with matrix, expected failure") { | ||
| EXPECT_THROWS_AS( do_test("structured-bilinear",1,false,false), eckit::Exception ); | ||
| } | ||
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| CASE("test structured-bicubic, halo 3, with matrix") { | ||
| EXPECT_NO_THROW( do_test("structured-bicubic",3,false,false) ); | ||
| } | ||
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| CASE("test structured-bicubic, halo 2, with matrix") { | ||
| EXPECT_THROWS_AS( do_test("structured-bicubic",2,false,false), eckit::Exception ); | ||
| } | ||
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| } // namespace test | ||
| } // namespace atlas | ||
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| int main(int argc, char** argv) { | ||
| return atlas::test::run(argc, argv); | ||
| } |