1 /****************************************************************/ 2 /* Parallel Combinatorial BLAS Library (for Graph Computations) */ 3 /* version 1.6 -------------------------------------------------*/ 4 /* date: 6/15/2017 ---------------------------------------------*/ 5 /* authors: Ariful Azad, Aydin Buluc --------------------------*/ 6 /****************************************************************/ 7 /* 8 Copyright (c) 2010-2017, The Regents of the University of California 9 10 Permission is hereby granted, free of charge, to any person obtaining a copy 11 of this software and associated documentation files (the "Software"), to deal 12 in the Software without restriction, including without limitation the rights 13 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 14 copies of the Software, and to permit persons to whom the Software is 15 furnished to do so, subject to the following conditions: 16 17 The above copyright notice and this permission notice shall be included in 18 all copies or substantial portions of the Software. 19 20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 23 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 24 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 25 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 26 THE SOFTWARE. 27 */ 28 29 #ifndef _DENSE_PAR_MAT_H_ 30 #define _DENSE_PAR_MAT_H_ 31 32 #include <iostream> 33 #include <fstream> 34 #include <cmath> 35 #include <mpi.h> 36 #include <vector> 37 38 #include "CombBLAS.h" 39 #include "Operations.h" 40 #include "MPIOp.h" 41 #include "FullyDistVec.h" 42 43 namespace combblas { 44 45 template <class IU, class NU, class DER> 46 class SpParMat; 47 48 template <class IT, class NT> 49 class DenseParMat 50 { 51 public: 52 // Constructors DenseParMat()53 DenseParMat (): array(NULL), m(0), n(0) 54 { 55 commGrid.reset(new CommGrid(MPI_COMM_WORLD, 0, 0)); 56 } DenseParMat(NT value,std::shared_ptr<CommGrid> grid,IT rows,IT cols)57 DenseParMat (NT value, std::shared_ptr<CommGrid> grid, IT rows, IT cols): m(rows), n(cols) 58 { 59 array = SpHelper::allocate2D<double>(rows, cols); 60 for(int i=0; i< rows; ++i) 61 { 62 std::fill_n(array[i], cols, value); // fill array[i][0] ... array[i][cols] with "value" 63 } 64 commGrid.reset(new CommGrid(*grid)); 65 } DenseParMat(NT ** seqarr,std::shared_ptr<CommGrid> grid,IT rows,IT cols)66 DenseParMat (NT ** seqarr, std::shared_ptr<CommGrid> grid, IT rows, IT cols): array(seqarr), m(rows), n(cols) 67 { 68 commGrid.reset(new CommGrid(*grid)); 69 } 70 DenseParMat(const DenseParMat<IT,NT> & rhs)71 DenseParMat (const DenseParMat< IT,NT > & rhs): m(rhs.m), n(rhs.n) // copy constructor 72 { 73 if(rhs.array != NULL) 74 { 75 array = SpHelper::allocate2D<NT>(m, n); 76 for(int i=0; i< m; ++i) 77 { 78 std::copy(array[i], array[i]+n, rhs.array[i]); 79 } 80 } 81 commGrid.reset(new CommGrid(*(rhs.commGrid))); 82 } 83 84 DenseParMat< IT,NT > & operator=(const DenseParMat< IT,NT > & rhs); 85 86 template <typename DER> 87 DenseParMat< IT,NT > & operator+=(const SpParMat< IT,NT,DER > & rhs); // add a sparse matrix 88 89 template <typename _BinaryOperation> 90 FullyDistVec< IT,NT > Reduce(Dim dim, _BinaryOperation __binary_op, NT identity) const; 91 ~DenseParMat()92 ~DenseParMat () 93 { 94 if(array != NULL) 95 SpHelper::deallocate2D(array, m); 96 } 97 getcommgrid()98 std::shared_ptr<CommGrid> getcommgrid () { return commGrid; } 99 grows()100 IT grows() const 101 { 102 IT glrows; 103 MPI_Allreduce(&m, &glrows, 1, MPIType<IT>(), MPI_SUM, commGrid->GetColWorld()); 104 return glrows; 105 } 106 gcols()107 IT gcols() const 108 { 109 IT glcols; 110 MPI_Allreduce(&n, &glcols, 1, MPIType<IT>(), MPI_SUM, commGrid->GetRowWorld()); 111 return glcols; 112 } 113 114 private: 115 std::shared_ptr<CommGrid> commGrid; 116 NT ** array; 117 IT m, n; // Local row and columns 118 119 template <class IU, class NU, class DER> 120 friend class SpParMat; 121 }; 122 123 } 124 125 #include "DenseParMat.cpp" 126 127 #endif 128 129