1bb7dde971
Updating MultiBlock to use `diy` for computing block summaries like ranges, bounds etc. This makes it possible to MultiBlock to work in distributed operations without explicit logic.
584 lines
17 KiB
C++
584 lines
17 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2015 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/StaticAssert.h>
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#include <vtkm/cont/ArrayCopy.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/DynamicArrayHandle.h>
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#include <vtkm/cont/EnvironmentTracker.h>
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#include <vtkm/cont/ErrorExecution.h>
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#include <vtkm/cont/Field.h>
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#include <vtkm/cont/MultiBlock.h>
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#if defined(VTKM_ENABLE_MPI)
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#include <diy/master.hpp>
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namespace vtkm
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{
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namespace cont
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{
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namespace detail
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{
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template <typename PortalType>
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VTKM_CONT std::vector<typename PortalType::ValueType> CopyArrayPortalToVector(
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const PortalType& portal)
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{
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using ValueType = typename PortalType::ValueType;
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std::vector<ValueType> result(portal.GetNumberOfValues());
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vtkm::cont::ArrayPortalToIterators<PortalType> iterators(portal);
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std::copy(iterators.GetBegin(), iterators.GetEnd(), result.begin());
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return result;
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}
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}
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}
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}
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namespace std
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{
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namespace detail
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{
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template <typename T, size_t ElementSize = sizeof(T)>
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struct MPIPlus
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{
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MPIPlus()
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{
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this->OpPtr = std::shared_ptr<MPI_Op>(new MPI_Op(MPI_NO_OP), [](MPI_Op* ptr) {
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MPI_Op_free(ptr);
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delete ptr;
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});
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MPI_Op_create(
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[](void* a, void* b, int* len, MPI_Datatype*) {
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T* ba = reinterpret_cast<T*>(a);
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T* bb = reinterpret_cast<T*>(b);
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for (int cc = 0; cc < (*len) / ElementSize; ++cc)
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{
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bb[cc] = ba[cc] + bb[cc];
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}
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},
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1,
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this->OpPtr.get());
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}
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~MPIPlus() {}
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operator MPI_Op() const { return *this->OpPtr.get(); }
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private:
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std::shared_ptr<MPI_Op> OpPtr;
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};
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} // std::detail
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template <>
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struct plus<vtkm::Bounds>
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{
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MPI_Op get_mpi_op() const { return this->Op; }
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vtkm::Bounds operator()(const vtkm::Bounds& lhs, const vtkm::Bounds& rhs) const
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{
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return lhs + rhs;
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}
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private:
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std::detail::MPIPlus<vtkm::Bounds> Op;
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};
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template <>
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struct plus<vtkm::Range>
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{
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MPI_Op get_mpi_op() const { return this->Op; }
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vtkm::Range operator()(const vtkm::Range& lhs, const vtkm::Range& rhs) const { return lhs + rhs; }
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private:
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std::detail::MPIPlus<vtkm::Range> Op;
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};
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}
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namespace diy
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{
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namespace mpi
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{
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namespace detail
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{
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template <>
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struct mpi_datatype<vtkm::Bounds>
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{
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static MPI_Datatype datatype() { return get_mpi_datatype<vtkm::Float64>(); }
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static const void* address(const vtkm::Bounds& x) { return &x; }
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static void* address(vtkm::Bounds& x) { return &x; }
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static int count(const vtkm::Bounds&) { return 6; }
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};
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template <>
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struct mpi_op<std::plus<vtkm::Bounds>>
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{
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static MPI_Op get(const std::plus<vtkm::Bounds>& op) { return op.get_mpi_op(); }
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};
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template <>
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struct mpi_datatype<vtkm::Range>
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{
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static MPI_Datatype datatype() { return get_mpi_datatype<vtkm::Float64>(); }
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static const void* address(const vtkm::Range& x) { return &x; }
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static void* address(vtkm::Range& x) { return &x; }
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static int count(const vtkm::Range&) { return 2; }
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};
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template <>
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struct mpi_op<std::plus<vtkm::Range>>
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{
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static MPI_Op get(const std::plus<vtkm::Range>& op) { return op.get_mpi_op(); }
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};
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} // diy::mpi::detail
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} // diy::mpi
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} // diy
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#endif
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namespace vtkm
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{
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namespace cont
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{
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VTKM_CONT
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MultiBlock::MultiBlock(const vtkm::cont::DataSet& ds)
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{
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this->Blocks.insert(this->Blocks.end(), ds);
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}
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VTKM_CONT
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MultiBlock::MultiBlock(const vtkm::cont::MultiBlock& src)
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{
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this->Blocks = src.GetBlocks();
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}
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VTKM_CONT
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MultiBlock::MultiBlock(const std::vector<vtkm::cont::DataSet>& mblocks)
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{
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this->Blocks = mblocks;
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}
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VTKM_CONT
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MultiBlock::MultiBlock(vtkm::Id size)
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{
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this->Blocks.reserve(static_cast<std::size_t>(size));
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}
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VTKM_CONT
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MultiBlock::MultiBlock()
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{
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}
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VTKM_CONT
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MultiBlock::~MultiBlock()
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{
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}
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VTKM_CONT
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MultiBlock& MultiBlock::operator=(const vtkm::cont::MultiBlock& src)
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{
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this->Blocks = src.GetBlocks();
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return *this;
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}
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VTKM_CONT
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vtkm::cont::Field MultiBlock::GetField(const std::string& field_name, const int& block_index)
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{
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assert(block_index >= 0);
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assert(static_cast<std::size_t>(block_index) < this->Blocks.size());
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return this->Blocks[static_cast<std::size_t>(block_index)].GetField(field_name);
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}
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VTKM_CONT
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vtkm::Id MultiBlock::GetNumberOfBlocks() const
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{
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return static_cast<vtkm::Id>(this->Blocks.size());
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}
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VTKM_CONT
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vtkm::Id MultiBlock::GetGlobalNumberOfBlocks() const
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{
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#if defined(VTKM_ENABLE_MPI)
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auto world = vtkm::cont::EnvironmentTracker::GetCommunicator();
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const auto local_count = this->GetNumberOfBlocks();
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diy::Master master(world, 1, -1);
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int block_not_used = 1;
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master.add(world.rank(), &block_not_used, new diy::Link());
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// empty link since we're only using collectives.
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master.foreach ([=](void*, const diy::Master::ProxyWithLink& cp) {
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cp.all_reduce(local_count, std::plus<vtkm::Id>());
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});
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master.process_collectives();
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vtkm::Id global_count = master.proxy(0).get<vtkm::Id>();
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return global_count;
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#else
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return this->GetNumberOfBlocks();
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#endif
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}
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VTKM_CONT
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const vtkm::cont::DataSet& MultiBlock::GetBlock(vtkm::Id blockId) const
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{
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return this->Blocks[static_cast<std::size_t>(blockId)];
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}
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VTKM_CONT
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const std::vector<vtkm::cont::DataSet>& MultiBlock::GetBlocks() const
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{
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return this->Blocks;
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}
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VTKM_CONT
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void MultiBlock::AddBlock(vtkm::cont::DataSet& ds)
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{
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this->Blocks.insert(this->Blocks.end(), ds);
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return;
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}
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void MultiBlock::AddBlocks(std::vector<vtkm::cont::DataSet>& mblocks)
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{
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this->Blocks.insert(this->Blocks.end(), mblocks.begin(), mblocks.end());
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return;
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}
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VTKM_CONT
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void MultiBlock::InsertBlock(vtkm::Id index, vtkm::cont::DataSet& ds)
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{
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if (index <= static_cast<vtkm::Id>(this->Blocks.size()))
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this->Blocks.insert(this->Blocks.begin() + index, ds);
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else
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{
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std::string msg = "invalid insert position\n ";
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throw ErrorExecution(msg);
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}
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}
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VTKM_CONT
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void MultiBlock::ReplaceBlock(vtkm::Id index, vtkm::cont::DataSet& ds)
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{
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if (index < static_cast<vtkm::Id>(this->Blocks.size()))
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this->Blocks.at(static_cast<std::size_t>(index)) = ds;
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else
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{
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std::string msg = "invalid replace position\n ";
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throw ErrorExecution(msg);
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}
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}
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VTKM_CONT
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vtkm::Bounds MultiBlock::GetBounds(vtkm::Id coordinate_system_index) const
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{
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return this->GetBounds(coordinate_system_index,
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VTKM_DEFAULT_COORDINATE_SYSTEM_TYPE_LIST_TAG(),
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VTKM_DEFAULT_COORDINATE_SYSTEM_STORAGE_LIST_TAG());
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}
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template <typename TypeList>
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VTKM_CONT vtkm::Bounds MultiBlock::GetBounds(vtkm::Id coordinate_system_index, TypeList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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return this->GetBounds(
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coordinate_system_index, TypeList(), VTKM_DEFAULT_COORDINATE_SYSTEM_STORAGE_LIST_TAG());
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}
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template <typename TypeList, typename StorageList>
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VTKM_CONT vtkm::Bounds MultiBlock::GetBounds(vtkm::Id coordinate_system_index,
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TypeList,
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StorageList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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VTKM_IS_LIST_TAG(StorageList);
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#if defined(VTKM_ENABLE_MPI)
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auto world = vtkm::cont::EnvironmentTracker::GetCommunicator();
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//const auto global_num_blocks = this->GetGlobalNumberOfBlocks();
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const auto num_blocks = this->GetNumberOfBlocks();
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diy::Master master(world, 1, -1);
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for (vtkm::Id cc = 0; cc < num_blocks; ++cc)
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{
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int gid = cc * world.size() + world.rank();
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master.add(gid, const_cast<vtkm::cont::DataSet*>(&this->Blocks[cc]), new diy::Link());
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}
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master.foreach ([&](const vtkm::cont::DataSet* block, const diy::Master::ProxyWithLink& cp) {
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auto coords = block->GetCoordinateSystem(coordinate_system_index);
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const vtkm::Bounds bounds = coords.GetBounds(TypeList(), StorageList());
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cp.all_reduce(bounds, std::plus<vtkm::Bounds>());
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});
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master.process_collectives();
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auto bounds = master.proxy(0).get<vtkm::Bounds>();
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return bounds;
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#else
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const vtkm::Id index = coordinate_system_index;
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const size_t num_blocks = this->Blocks.size();
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vtkm::Bounds bounds;
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for (size_t i = 0; i < num_blocks; ++i)
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{
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vtkm::Bounds block_bounds = this->GetBlockBounds(i, index, TypeList(), StorageList());
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bounds.Include(block_bounds);
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}
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return bounds;
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#endif
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}
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VTKM_CONT
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vtkm::Bounds MultiBlock::GetBlockBounds(const std::size_t& block_index,
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vtkm::Id coordinate_system_index) const
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{
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return this->GetBlockBounds(block_index,
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coordinate_system_index,
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VTKM_DEFAULT_COORDINATE_SYSTEM_TYPE_LIST_TAG(),
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VTKM_DEFAULT_COORDINATE_SYSTEM_STORAGE_LIST_TAG());
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}
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template <typename TypeList>
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VTKM_CONT vtkm::Bounds MultiBlock::GetBlockBounds(const std::size_t& block_index,
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vtkm::Id coordinate_system_index,
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TypeList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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return this->GetBlockBounds(block_index,
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coordinate_system_index,
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TypeList(),
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VTKM_DEFAULT_COORDINATE_SYSTEM_STORAGE_LIST_TAG());
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}
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template <typename TypeList, typename StorageList>
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VTKM_CONT vtkm::Bounds MultiBlock::GetBlockBounds(const std::size_t& block_index,
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vtkm::Id coordinate_system_index,
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TypeList,
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StorageList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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VTKM_IS_LIST_TAG(StorageList);
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const vtkm::Id index = coordinate_system_index;
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vtkm::cont::CoordinateSystem coords;
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try
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{
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coords = this->Blocks[block_index].GetCoordinateSystem(index);
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}
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catch (const vtkm::cont::Error& error)
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{
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std::stringstream msg;
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msg << "GetBounds call failed. vtk-m error was encountered while "
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<< "attempting to get coordinate system " << index << " from "
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<< "block " << block_index << ". vtkm error message: " << error.GetMessage();
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throw ErrorExecution(msg.str());
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}
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return coords.GetBounds(TypeList(), StorageList());
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}
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VTKM_CONT
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vtkm::cont::ArrayHandle<vtkm::Range> MultiBlock::GetGlobalRange(const int& index) const
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{
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return this->GetGlobalRange(index, VTKM_DEFAULT_TYPE_LIST_TAG(), VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template <typename TypeList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> MultiBlock::GetGlobalRange(const int& index,
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TypeList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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return this->GetGlobalRange(index, TypeList(), VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template <typename TypeList, typename StorageList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> MultiBlock::GetGlobalRange(const int& index,
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TypeList,
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StorageList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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VTKM_IS_LIST_TAG(StorageList);
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assert(this->Blocks.size() > 0);
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vtkm::cont::Field field = this->Blocks.at(0).GetField(index);
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std::string field_name = field.GetName();
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return this->GetGlobalRange(field_name, TypeList(), StorageList());
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}
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VTKM_CONT
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vtkm::cont::ArrayHandle<vtkm::Range> MultiBlock::GetGlobalRange(const std::string& field_name) const
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{
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return this->GetGlobalRange(
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field_name, VTKM_DEFAULT_TYPE_LIST_TAG(), VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template <typename TypeList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> MultiBlock::GetGlobalRange(
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const std::string& field_name,
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TypeList) const
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{
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VTKM_IS_LIST_TAG(TypeList);
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return this->GetGlobalRange(field_name, TypeList(), VTKM_DEFAULT_STORAGE_LIST_TAG());
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}
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template <typename TypeList, typename StorageList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range>
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MultiBlock::GetGlobalRange(const std::string& field_name, TypeList, StorageList) const
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{
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#if defined(VTKM_ENABLE_MPI)
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auto world = vtkm::cont::EnvironmentTracker::GetCommunicator();
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const auto num_blocks = this->GetNumberOfBlocks();
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diy::Master master(world);
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for (vtkm::Id cc = 0; cc < num_blocks; ++cc)
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{
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int gid = cc * world.size() + world.rank();
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master.add(gid, const_cast<vtkm::cont::DataSet*>(&this->Blocks[cc]), new diy::Link());
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}
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// collect info about number of components in the field.
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master.foreach ([&](const vtkm::cont::DataSet* dataset, const diy::Master::ProxyWithLink& cp) {
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if (dataset->HasField(field_name))
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{
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auto field = dataset->GetField(field_name);
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const vtkm::cont::ArrayHandle<vtkm::Range> range = field.GetRange(TypeList(), StorageList());
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vtkm::Id components = range.GetPortalConstControl().GetNumberOfValues();
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cp.all_reduce(components, diy::mpi::maximum<vtkm::Id>());
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}
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});
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master.process_collectives();
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const vtkm::Id components = master.size() ? master.proxy(0).read<vtkm::Id>() : 0;
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// clear all collectives.
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master.foreach ([&](const vtkm::cont::DataSet*, const diy::Master::ProxyWithLink& cp) {
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cp.collectives()->clear();
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});
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master.foreach ([&](const vtkm::cont::DataSet* dataset, const diy::Master::ProxyWithLink& cp) {
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if (dataset->HasField(field_name))
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{
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auto field = dataset->GetField(field_name);
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const vtkm::cont::ArrayHandle<vtkm::Range> range = field.GetRange(TypeList(), StorageList());
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const auto v_range =
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vtkm::cont::detail::CopyArrayPortalToVector(range.GetPortalConstControl());
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for (const vtkm::Range& r : v_range)
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{
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cp.all_reduce(r, std::plus<vtkm::Range>());
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}
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// if current block has less that the max number of components, just add invalid ranges for the rest.
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for (vtkm::Id cc = static_cast<vtkm::Id>(v_range.size()); cc < components; ++cc)
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{
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cp.all_reduce(vtkm::Range(), std::plus<vtkm::Range>());
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}
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}
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});
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master.process_collectives();
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std::vector<vtkm::Range> ranges(components);
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// FIXME: is master.size() == 0 i.e. there are no blocks on the current rank,
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// this method won't return valid range.
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if (master.size() > 0)
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{
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for (vtkm::Id cc = 0; cc < components; ++cc)
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{
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ranges[cc] = master.proxy(0).get<vtkm::Range>();
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}
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}
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vtkm::cont::ArrayHandle<vtkm::Range> tmprange = vtkm::cont::make_ArrayHandle(ranges);
|
|
vtkm::cont::ArrayHandle<vtkm::Range> range;
|
|
vtkm::cont::ArrayCopy(vtkm::cont::make_ArrayHandle(ranges), range);
|
|
return range;
|
|
#else
|
|
bool valid_field = true;
|
|
const size_t num_blocks = this->Blocks.size();
|
|
|
|
vtkm::cont::ArrayHandle<vtkm::Range> range;
|
|
vtkm::Id num_components = 0;
|
|
|
|
for (size_t i = 0; i < num_blocks; ++i)
|
|
{
|
|
if (!this->Blocks[i].HasField(field_name))
|
|
{
|
|
valid_field = false;
|
|
break;
|
|
}
|
|
|
|
const vtkm::cont::Field& field = this->Blocks[i].GetField(field_name);
|
|
vtkm::cont::ArrayHandle<vtkm::Range> sub_range = field.GetRange(TypeList(), StorageList());
|
|
|
|
vtkm::cont::ArrayHandle<vtkm::Range>::PortalConstControl sub_range_control =
|
|
sub_range.GetPortalConstControl();
|
|
vtkm::cont::ArrayHandle<vtkm::Range>::PortalControl range_control = range.GetPortalControl();
|
|
|
|
if (i == 0)
|
|
{
|
|
num_components = sub_range_control.GetNumberOfValues();
|
|
range = sub_range;
|
|
continue;
|
|
}
|
|
|
|
vtkm::Id components = sub_range_control.GetNumberOfValues();
|
|
|
|
if (components != num_components)
|
|
{
|
|
std::stringstream msg;
|
|
msg << "GetRange call failed. The number of components (" << components << ") in field "
|
|
<< field_name << " from block " << i << " does not match the number of components "
|
|
<< "(" << num_components << ") in block 0";
|
|
throw ErrorExecution(msg.str());
|
|
}
|
|
|
|
|
|
for (vtkm::Id c = 0; c < components; ++c)
|
|
{
|
|
vtkm::Range s_range = sub_range_control.Get(c);
|
|
vtkm::Range c_range = range_control.Get(c);
|
|
c_range.Include(s_range);
|
|
range_control.Set(c, c_range);
|
|
}
|
|
}
|
|
|
|
if (!valid_field)
|
|
{
|
|
std::string msg = "GetRange call failed. ";
|
|
msg += " Field " + field_name + " did not exist in at least one block.";
|
|
throw ErrorExecution(msg);
|
|
}
|
|
|
|
return range;
|
|
#endif
|
|
}
|
|
|
|
VTKM_CONT
|
|
void MultiBlock::PrintSummary(std::ostream& stream) const
|
|
{
|
|
stream << "block "
|
|
<< "\n";
|
|
|
|
for (size_t block_index = 0; block_index < this->Blocks.size(); ++block_index)
|
|
{
|
|
stream << "block " << block_index << "\n";
|
|
this->Blocks[block_index].PrintSummary(stream);
|
|
}
|
|
}
|
|
}
|
|
} // namespace vtkm::cont
|