141 lines
5.7 KiB
C++
141 lines
5.7 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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//
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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 (c) 2018, The Regents of the University of California, through
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// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
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// from the U.S. Dept. of Energy). All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// (1) Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// (2) Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// (3) Neither the name of the University of California, Lawrence Berkeley National
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// Laboratory, U.S. Dept. of Energy nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//=============================================================================
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//
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// This code is an extension of the algorithm presented in the paper:
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// Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
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// Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
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// Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
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// (LDAV), October 2016, Baltimore, Maryland.
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//
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// The PPP2 algorithm and software were jointly developed by
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// Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
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// Oliver Ruebel (LBNL)
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//==============================================================================
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#ifndef vtk_m_worklet_contourtree_distributed_contourtreeblockdata_h
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#define vtk_m_worklet_contourtree_distributed_contourtreeblockdata_h
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#include <vtkm/Types.h>
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#include <vtkm/worklet/contourtree_augmented/Types.h>
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#include <vtkm/worklet/contourtree_augmented/meshtypes/ContourTreeMesh.h>
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#include <vtkm/worklet/contourtree_distributed/HierarchicalAugmenter.h>
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#include <vtkm/worklet/contourtree_distributed/HierarchicalContourTree.h>
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// clang-format off
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VTKM_THIRDPARTY_PRE_INCLUDE
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#include <vtkm/thirdparty/diy/diy.h>
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VTKM_THIRDPARTY_POST_INCLUDE
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// clang-format on
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namespace vtkm
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{
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namespace worklet
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{
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namespace contourtree_distributed
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{
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template <typename FieldType>
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struct DistributedContourTreeBlockData
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{
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// Block metadata
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int GlobalBlockId; // Global DIY id of this block
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vtkm::Id LocalBlockNo; // Local block id on this rank
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vtkm::Id3 BlockOrigin; // Origin of the data block
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vtkm::Id3 BlockSize; // Extends of the data block
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// Fan in data
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std::vector<vtkm::worklet::contourtree_augmented::ContourTree> ContourTrees;
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std::vector<vtkm::worklet::contourtree_augmented::ContourTreeMesh<FieldType>> ContourTreeMeshes;
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std::vector<vtkm::worklet::contourtree_distributed::InteriorForest> InteriorForests;
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// Fan out data
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vtkm::worklet::contourtree_distributed::HierarchicalContourTree<FieldType> HierarchicalTree;
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// Augmentation phase
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vtkm::worklet::contourtree_distributed::HierarchicalAugmenter<FieldType> HierarchicalAugmenter;
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vtkm::worklet::contourtree_distributed::HierarchicalContourTree<FieldType> AugmentedTree;
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// Destroy function allowing DIY to own blocks and clean them up after use
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static void destroy(void* b)
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{
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delete static_cast<DistributedContourTreeBlockData<FieldType>*>(b);
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}
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};
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} // namespace contourtree_distributed
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} // namespace worklet
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} // namespace vtkm
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namespace vtkmdiy
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{
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// Struct to serialize ContourTreeMesh objects (i.e., load/save) needed in parralle for DIY
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template <typename FieldType>
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struct Serialization<vtkm::worklet::contourtree_augmented::ContourTreeMesh<FieldType>>
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{
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static void save(vtkmdiy::BinaryBuffer& bb,
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const vtkm::worklet::contourtree_augmented::ContourTreeMesh<FieldType>& ctm)
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{
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vtkmdiy::save(bb, ctm.NumVertices);
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vtkmdiy::save(bb, ctm.SortedValues);
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vtkmdiy::save(bb, ctm.GlobalMeshIndex);
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vtkmdiy::save(bb, ctm.NeighborConnectivity);
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vtkmdiy::save(bb, ctm.NeighborOffsets);
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vtkmdiy::save(bb, ctm.MaxNeighbors);
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}
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static void load(vtkmdiy::BinaryBuffer& bb,
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vtkm::worklet::contourtree_augmented::ContourTreeMesh<FieldType>& ctm)
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{
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vtkmdiy::load(bb, ctm.NumVertices);
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vtkmdiy::load(bb, ctm.SortedValues);
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vtkmdiy::load(bb, ctm.GlobalMeshIndex);
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vtkmdiy::load(bb, ctm.NeighborConnectivity);
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vtkmdiy::load(bb, ctm.NeighborOffsets);
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vtkmdiy::load(bb, ctm.MaxNeighbors);
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}
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};
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} // namespace mangled_vtkmdiy_namespace
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#endif
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