1 static char help[] = "Test PetscSFFCompose when the ilocal arrays are not identity nor dense\n\n"; 2 3 #include <petsc.h> 4 #include <petscsf.h> 5 6 int main(int argc, char **argv) { 7 PetscSF sfA, sfB, sfBA, sfAAm, sfBBm, sfAm, sfBm; 8 PetscInt nrootsA, nleavesA, nrootsB, nleavesB; 9 PetscInt *ilocalA, *ilocalB; 10 PetscSFNode *iremoteA, *iremoteB; 11 PetscMPIInt rank, size; 12 PetscInt i, m, n, k, nl = 2, mA, mB, nldataA, nldataB; 13 PetscInt *rdA, *rdB, *ldA, *ldB; 14 PetscBool inverse = PETSC_FALSE; 15 16 PetscFunctionBeginUser; 17 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 18 PetscCall(PetscOptionsGetInt(NULL, NULL, "-nl", &nl, NULL)); 19 PetscCall(PetscOptionsGetBool(NULL, NULL, "-explicit_inverse", &inverse, NULL)); 20 PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &size)); 21 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank)); 22 23 PetscCall(PetscSFCreate(PETSC_COMM_WORLD, &sfA)); 24 PetscCall(PetscSFCreate(PETSC_COMM_WORLD, &sfB)); 25 PetscCall(PetscSFSetFromOptions(sfA)); 26 PetscCall(PetscSFSetFromOptions(sfB)); 27 28 n = 4 * nl * size; 29 m = 2 * nl; 30 k = nl; 31 32 nldataA = rank == 0 ? n : 0; 33 nldataB = 3 * nl; 34 35 nrootsA = m; 36 nleavesA = rank == 0 ? size * m : 0; 37 nrootsB = rank == 0 ? n : 0; 38 nleavesB = k; 39 40 PetscCall(PetscMalloc1(nleavesA, &ilocalA)); 41 PetscCall(PetscMalloc1(nleavesA, &iremoteA)); 42 PetscCall(PetscMalloc1(nleavesB, &ilocalB)); 43 PetscCall(PetscMalloc1(nleavesB, &iremoteB)); 44 45 /* sf A bcast is equivalent to a sparse gather on process 0 46 process 0 receives data in the middle [nl,3*nl] of the leaf data array for A */ 47 for (i = 0; i < nleavesA; i++) { 48 iremoteA[i].rank = i / m; 49 iremoteA[i].index = i % m; 50 ilocalA[i] = nl + i / m * 4 * nl + i % m; 51 } 52 53 /* sf B bcast is equivalent to a sparse scatter from process 0 54 process 0 sends data from [nl,2*nl] of the leaf data array for A 55 each process receives, in reverse order, in the middle [nl,2*nl] of the leaf data array for B */ 56 for (i = 0; i < nleavesB; i++) { 57 iremoteB[i].rank = 0; 58 iremoteB[i].index = rank * 4 * nl + nl + i % m; 59 ilocalB[i] = 2 * nl - i - 1; 60 } 61 PetscCall(PetscSFSetGraph(sfA, nrootsA, nleavesA, ilocalA, PETSC_OWN_POINTER, iremoteA, PETSC_OWN_POINTER)); 62 PetscCall(PetscSFSetGraph(sfB, nrootsB, nleavesB, ilocalB, PETSC_OWN_POINTER, iremoteB, PETSC_OWN_POINTER)); 63 PetscCall(PetscSFSetUp(sfA)); 64 PetscCall(PetscSFSetUp(sfB)); 65 PetscCall(PetscObjectSetName((PetscObject)sfA, "sfA")); 66 PetscCall(PetscObjectSetName((PetscObject)sfB, "sfB")); 67 PetscCall(PetscSFViewFromOptions(sfA, NULL, "-view")); 68 PetscCall(PetscSFViewFromOptions(sfB, NULL, "-view")); 69 70 PetscCall(PetscSFGetLeafRange(sfA, NULL, &mA)); 71 PetscCall(PetscSFGetLeafRange(sfB, NULL, &mB)); 72 PetscCall(PetscMalloc2(nrootsA, &rdA, nldataA, &ldA)); 73 PetscCall(PetscMalloc2(nrootsB, &rdB, nldataB, &ldB)); 74 for (i = 0; i < nrootsA; i++) rdA[i] = m * rank + i; 75 for (i = 0; i < nldataA; i++) ldA[i] = -1; 76 for (i = 0; i < nldataB; i++) ldB[i] = -1; 77 78 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "BcastB(BcastA)\n")); 79 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "A: root data\n")); 80 PetscCall(PetscIntView(nrootsA, rdA, PETSC_VIEWER_STDOUT_WORLD)); 81 PetscCall(PetscSFBcastBegin(sfA, MPIU_INT, rdA, ldA, MPI_REPLACE)); 82 PetscCall(PetscSFBcastEnd(sfA, MPIU_INT, rdA, ldA, MPI_REPLACE)); 83 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "A: leaf data (all)\n")); 84 PetscCall(PetscIntView(nldataA, ldA, PETSC_VIEWER_STDOUT_WORLD)); 85 PetscCall(PetscSFBcastBegin(sfB, MPIU_INT, ldA, ldB, MPI_REPLACE)); 86 PetscCall(PetscSFBcastEnd(sfB, MPIU_INT, ldA, ldB, MPI_REPLACE)); 87 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "B: leaf data (all)\n")); 88 PetscCall(PetscIntView(nldataB, ldB, PETSC_VIEWER_STDOUT_WORLD)); 89 90 PetscCall(PetscSFCompose(sfA, sfB, &sfBA)); 91 PetscCall(PetscSFSetFromOptions(sfBA)); 92 PetscCall(PetscSFSetUp(sfBA)); 93 PetscCall(PetscObjectSetName((PetscObject)sfBA, "sfBA")); 94 PetscCall(PetscSFViewFromOptions(sfBA, NULL, "-view")); 95 96 for (i = 0; i < nldataB; i++) ldB[i] = -1; 97 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "BcastBA\n")); 98 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "BA: root data\n")); 99 PetscCall(PetscIntView(nrootsA, rdA, PETSC_VIEWER_STDOUT_WORLD)); 100 PetscCall(PetscSFBcastBegin(sfBA, MPIU_INT, rdA, ldB, MPI_REPLACE)); 101 PetscCall(PetscSFBcastEnd(sfBA, MPIU_INT, rdA, ldB, MPI_REPLACE)); 102 PetscCall(PetscViewerASCIIPrintf(PETSC_VIEWER_STDOUT_WORLD, "BA: leaf data (all)\n")); 103 PetscCall(PetscIntView(nldataB, ldB, PETSC_VIEWER_STDOUT_WORLD)); 104 105 PetscCall(PetscSFCreateInverseSF(sfA, &sfAm)); 106 PetscCall(PetscSFSetFromOptions(sfAm)); 107 PetscCall(PetscObjectSetName((PetscObject)sfAm, "sfAm")); 108 PetscCall(PetscSFViewFromOptions(sfAm, NULL, "-view")); 109 110 if (!inverse) { 111 PetscCall(PetscSFComposeInverse(sfA, sfA, &sfAAm)); 112 } else { 113 PetscCall(PetscSFCompose(sfA, sfAm, &sfAAm)); 114 } 115 PetscCall(PetscSFSetFromOptions(sfAAm)); 116 PetscCall(PetscSFSetUp(sfAAm)); 117 PetscCall(PetscObjectSetName((PetscObject)sfAAm, "sfAAm")); 118 PetscCall(PetscSFViewFromOptions(sfAAm, NULL, "-view")); 119 120 PetscCall(PetscSFCreateInverseSF(sfB, &sfBm)); 121 PetscCall(PetscSFSetFromOptions(sfBm)); 122 PetscCall(PetscObjectSetName((PetscObject)sfBm, "sfBm")); 123 PetscCall(PetscSFViewFromOptions(sfBm, NULL, "-view")); 124 125 if (!inverse) { 126 PetscCall(PetscSFComposeInverse(sfB, sfB, &sfBBm)); 127 } else { 128 PetscCall(PetscSFCompose(sfB, sfBm, &sfBBm)); 129 } 130 PetscCall(PetscSFSetFromOptions(sfBBm)); 131 PetscCall(PetscSFSetUp(sfBBm)); 132 PetscCall(PetscObjectSetName((PetscObject)sfBBm, "sfBBm")); 133 PetscCall(PetscSFViewFromOptions(sfBBm, NULL, "-view")); 134 135 PetscCall(PetscFree2(rdA, ldA)); 136 PetscCall(PetscFree2(rdB, ldB)); 137 138 PetscCall(PetscSFDestroy(&sfA)); 139 PetscCall(PetscSFDestroy(&sfB)); 140 PetscCall(PetscSFDestroy(&sfBA)); 141 PetscCall(PetscSFDestroy(&sfAm)); 142 PetscCall(PetscSFDestroy(&sfBm)); 143 PetscCall(PetscSFDestroy(&sfAAm)); 144 PetscCall(PetscSFDestroy(&sfBBm)); 145 146 PetscCall(PetscFinalize()); 147 return 0; 148 } 149 150 /*TEST 151 152 test: 153 suffix: 1 154 args: -view -explicit_inverse {{0 1}} 155 156 test: 157 nsize: 7 158 filter: grep -v "type" | grep -v "sort" 159 suffix: 2 160 args: -view -nl 5 -explicit_inverse {{0 1}} 161 162 # we cannot test for -sf_window_flavor dynamic because SFCompose with sparse leaves may change the root data pointer only locally, and this is not supported by the dynamic case 163 test: 164 nsize: 7 165 suffix: 2_window 166 filter: grep -v "type" | grep -v "sort" 167 output_file: output/ex5_2.out 168 args: -view -nl 5 -explicit_inverse {{0 1}} -sf_type window -sf_window_sync {{fence lock active}} -sf_window_flavor {{create allocate}} 169 requires: defined(PETSC_HAVE_MPI_ONE_SIDED) defined(PETSC_HAVE_MPI_FEATURE_DYNAMIC_WINDOW) 170 171 # The nightly test suite with MPICH uses ch3:sock, which is broken when winsize == 0 in some of the processes 172 test: 173 nsize: 7 174 suffix: 2_window_shared 175 filter: grep -v "type" | grep -v "sort" 176 output_file: output/ex5_2.out 177 args: -view -nl 5 -explicit_inverse {{0 1}} -sf_type window -sf_window_sync {{fence lock active}} -sf_window_flavor shared 178 requires: defined(PETSC_HAVE_MPI_PROCESS_SHARED_MEMORY) !defined(PETSC_HAVE_MPICH_NUMVERSION) defined(PETSC_HAVE_MPI_ONE_SIDED) 179 180 TEST*/ 181