Extended mesh benchmark to also measure time of copying mesh from GPU to CPU (020f80e8) · Commits · TNL / tnl-dev

src/Benchmarks/Mesh/MeshBenchmarks.h

+52 −33

Original line number	Diff line number	Diff line
		@@ -63,8 +63,8 @@ struct MeshBenchmarks
		{"config", Mesh::Config::getConfigType()},
		//{"topology", removeNamespaces( getType< typename Mesh::Config::CellTopology >() ) },
		{"space dim", std::to_string( Mesh::Config::spaceDimension )},
		{"real", getType< typename Mesh::RealType >()},
		{"gid_t", getType< typename Mesh::GlobalIndexType >()},
		//{"real", getType< typename Mesh::RealType >()},
		//{"gid_t", getType< typename Mesh::GlobalIndexType >()},
		//{"lid_t", getType< typename Mesh::LocalIndexType >()}
		};

		@@ -309,67 +309,78 @@ struct MeshBenchmarks
		// Polygonal Mesh
		template< typename M,
		std::enable_if_t< std::is_same< typename M::Config::CellTopology, Topologies::Polygon >::value, bool > = true >
		static void exec( Benchmark & benchmark, const Config::ParameterContainer & parameters, const M & mesh )
		static void exec( Benchmark & benchmark, const Config::ParameterContainer & parameters, const M & mesh_src )
		{
		#ifdef HAVE_CUDA
		benchmark.setOperation( String("Copy CPU->GPU") );
		exec_helper( benchmark, parameters, mesh );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, mesh_src );
		benchmark.setOperation( String("Copy GPU->CPU") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, mesh_src );

		{
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToCentroid>( mesh_src );
		benchmark.setOperation( String("Copy CPU->GPU (decomp (c))") );
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToCentroid >( mesh );
		exec_helper( benchmark, parameters, decomposedMesh );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, decomposedMesh );
		benchmark.setOperation( String("Copy GPU->CPU (decomp (c))") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, decomposedMesh );
		}

		{
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToCentroid >( mesh_src );
		benchmark.setOperation( String("Copy CPU->GPU (decomp (p))") );
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToPoint >( mesh );
		exec_helper( benchmark, parameters, decomposedMesh );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, decomposedMesh );
		benchmark.setOperation( String("Copy GPU->CPU (decomp (p))") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, decomposedMesh );
		}
		#endif
		}

		// Polyhedral Mesh
		template< typename M,
		std::enable_if_t< std::is_same< typename M::Config::CellTopology, Topologies::Polyhedron >::value, bool > = true >
		static void exec( Benchmark & benchmark, const Config::ParameterContainer & parameters, const M & mesh )
		static void exec( Benchmark & benchmark, const Config::ParameterContainer & parameters, const M & mesh_src )
		{
		#ifdef HAVE_CUDA
		benchmark.setOperation( String("Copy CPU->GPU") );
		exec_helper( benchmark, parameters, mesh );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, mesh_src );
		benchmark.setOperation( String("Copy GPU->CPU") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, mesh_src );

		{
		benchmark.setOperation( String("Copy CPU->GPU (decomp (cc))") );
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToCentroid,
		EntityDecomposerVersion::ConnectEdgesToCentroid >( mesh );
		exec_helper( benchmark, parameters, decomposedMesh );
		EntityDecomposerVersion::ConnectEdgesToCentroid >( mesh_src );
		benchmark.setOperation( String("Copy CPU->GPU (decomp (cc))") );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, decomposedMesh );
		benchmark.setOperation( String("Copy GPU->CPU (decomp (cc))") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, decomposedMesh );
		}

		{
		benchmark.setOperation( String("Copy CPU->GPU (decomp (cp))") );
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToCentroid,
		EntityDecomposerVersion::ConnectEdgesToPoint >( mesh );
		exec_helper( benchmark, parameters, decomposedMesh );
		EntityDecomposerVersion::ConnectEdgesToPoint >( mesh_src );
		benchmark.setOperation( String("Copy CPU->GPU (decomp (cp))") );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, decomposedMesh );
		benchmark.setOperation( String("Copy GPU->CPU (decomp (cp))") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, decomposedMesh );
		}

		{
		benchmark.setOperation( String("Copy CPU->GPU (decomp (pc))") );
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToPoint,
		EntityDecomposerVersion::ConnectEdgesToCentroid >( mesh );
		exec_helper( benchmark, parameters, decomposedMesh );
		EntityDecomposerVersion::ConnectEdgesToCentroid >( mesh_src );
		benchmark.setOperation( String("Copy CPU->GPU (decomp (pc))") );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, decomposedMesh );
		benchmark.setOperation( String("Copy GPU->CPU (decomp (pc))") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, decomposedMesh );
		}

		{
		benchmark.setOperation( String("Copy CPU->GPU (decomp (pp))") );
		const auto decomposedMesh = getDecomposedMesh< EntityDecomposerVersion::ConnectEdgesToPoint,
		EntityDecomposerVersion::ConnectEdgesToPoint >( mesh );
		exec_helper( benchmark, parameters, decomposedMesh );
		}
		EntityDecomposerVersion::ConnectEdgesToPoint >( mesh_src );
		benchmark.setOperation( String("Copy CPU->GPU (decomp (pp))") );
		benchmark_copy< Devices::Host, Devices::Cuda >( benchmark, parameters, decomposedMesh );
		benchmark.setOperation( String("Copy GPU->CPU (decomp (pp))") );
		benchmark_copy< Devices::Cuda, Devices::Host >( benchmark, parameters, decomposedMesh );
		}
		private:
		template< typename M >
		static void exec_helper( Benchmark & benchmark, const Config::ParameterContainer & parameters, const M & mesh )
		{
		//benchmark_copy< Devices::Host >( benchmark, parameters, mesh );
		#ifdef HAVE_CUDA
		benchmark_copy< Devices::Cuda >( benchmark, parameters, mesh );
		#endif
		}
		};
		@@ -500,18 +511,26 @@ struct MeshBenchmarks
		benchmark.time< TNL::Devices::Host >( "CPU", noop, memResult );
		}

		template< typename Device,
		template< typename DeviceFrom,
		typename DeviceTo,
		typename M >
		static void benchmark_copy( Benchmark & benchmark, const Config::ParameterContainer & parameters, const M & mesh_src )
		{
		using DeviceMesh = Meshes::Mesh< typename M::Config, Device >;
		using MeshFrom = Meshes::Mesh< typename M::Config, DeviceFrom >;
		using MeshTo = Meshes::Mesh< typename M::Config, DeviceTo >;
		using Device = typename std::conditional_t< std::is_same< DeviceFrom, Devices::Host >::value &&
		std::is_same< DeviceTo, Devices::Host >::value,
		Devices::Host,
		Devices::Cuda >;

		// skip benchmarks on devices which the user did not select
		if( ! checkDevice< Device >( parameters ) )
		return;

		const MeshFrom meshFrom = mesh_src;

		auto benchmark_func = [&] () {
		DeviceMesh deviceMesh = mesh_src;
		MeshTo meshTo = meshFrom;
		};

		benchmark.time< Device >( [] () {},