1 #include <petsc/private/dmnetworkimpl.h> /*I "petscdmnetwork.h" I*/ 2 3 static PetscErrorCode DMView_Network_CSV(DM dm, PetscViewer viewer) 4 { 5 DM dmcoords; 6 PetscInt nsubnets, i, subnet, nvertices, nedges, vertex, edge; 7 PetscInt vertexOffsets[2], globalEdgeVertices[2]; 8 PetscScalar vertexCoords[2]; 9 const PetscInt *vertices, *edges, *edgeVertices; 10 Vec allVertexCoords; 11 PetscMPIInt rank; 12 MPI_Comm comm; 13 14 PetscFunctionBegin; 15 // Get the network containing coordinate information 16 PetscCall(DMGetCoordinateDM(dm, &dmcoords)); 17 // Get the coordinate vector for the network 18 PetscCall(DMGetCoordinatesLocal(dm, &allVertexCoords)); 19 // Get the MPI communicator and this process' rank 20 PetscCall(PetscObjectGetComm((PetscObject)dm, &comm)); 21 PetscCallMPI(MPI_Comm_rank(comm, &rank)); 22 // Start synchronized printing 23 PetscCall(PetscViewerASCIIPushSynchronized(viewer)); 24 25 // Write the header 26 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Type,Rank,ID,X,Y,Z,Name,Color\n")); 27 28 // Iterate each subnetwork (Note: We need to get the global number of subnets apparently) 29 PetscCall(DMNetworkGetNumSubNetworks(dm, NULL, &nsubnets)); 30 for (subnet = 0; subnet < nsubnets; subnet++) { 31 // Get the subnetwork's vertices and edges 32 PetscCall(DMNetworkGetSubnetwork(dm, subnet, &nvertices, &nedges, &vertices, &edges)); 33 34 // Write out each vertex 35 for (i = 0; i < nvertices; i++) { 36 vertex = vertices[i]; 37 // Get the offset into the coordinate vector for the vertex 38 PetscCall(DMNetworkGetLocalVecOffset(dmcoords, vertex, ALL_COMPONENTS, vertexOffsets)); 39 vertexOffsets[1] = vertexOffsets[0] + 1; 40 // Remap vertex to the global value 41 PetscCall(DMNetworkGetGlobalVertexIndex(dm, vertex, &vertex)); 42 // Get the vertex position from the coordinate vector 43 PetscCall(VecGetValues(allVertexCoords, 2, vertexOffsets, vertexCoords)); 44 45 // TODO: Determine vertex color/name 46 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Node,%" PetscInt_FMT ",%" PetscInt_FMT ",%lf,%lf,0,%" PetscInt_FMT "\n", (PetscInt)rank, vertex, (double)PetscRealPart(vertexCoords[0]), (double)PetscRealPart(vertexCoords[1]), vertex)); 47 } 48 49 // Write out each edge 50 for (i = 0; i < nedges; i++) { 51 edge = edges[i]; 52 PetscCall(DMNetworkGetConnectedVertices(dm, edge, &edgeVertices)); 53 PetscCall(DMNetworkGetGlobalVertexIndex(dm, edgeVertices[0], &globalEdgeVertices[0])); 54 PetscCall(DMNetworkGetGlobalVertexIndex(dm, edgeVertices[1], &globalEdgeVertices[1])); 55 PetscCall(DMNetworkGetGlobalEdgeIndex(dm, edge, &edge)); 56 57 // TODO: Determine edge color/name 58 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, "Edge,%" PetscInt_FMT ",%" PetscInt_FMT ",%" PetscInt_FMT ",%" PetscInt_FMT ",0,%" PetscInt_FMT "\n", (PetscInt)rank, edge, globalEdgeVertices[0], globalEdgeVertices[1], edge)); 59 } 60 } 61 // End synchronized printing 62 PetscCall(PetscViewerFlush(viewer)); 63 PetscCall(PetscViewerASCIIPopSynchronized(viewer)); 64 PetscFunctionReturn(PETSC_SUCCESS); 65 } 66 67 #include <petscdraw.h> 68 static PetscErrorCode DMView_Network_Matplotlib(DM dm, PetscViewer viewer) 69 { 70 PetscMPIInt rank, size, rank2; 71 MPI_Comm comm; 72 char filename[PETSC_MAX_PATH_LEN + 1], proccall[PETSC_MAX_PATH_LEN + 500], scriptFile[PETSC_MAX_PATH_LEN + 1], streamBuffer[256]; 73 PetscViewer csvViewer; 74 FILE *processFile = NULL; 75 PetscBool isnull; 76 PetscDraw draw; 77 78 PetscFunctionBegin; 79 // Deal with the PetscDraw we are given 80 PetscCall(PetscViewerDrawGetDraw(viewer, 1, &draw)); 81 PetscCall(PetscDrawIsNull(draw, &isnull)); 82 PetscCall(PetscDrawSetVisible(draw, PETSC_FALSE)); 83 84 // Clear the file name buffer so all communicated bytes are well-defined 85 PetscCall(PetscMemzero(filename, sizeof(filename))); 86 87 // Get the MPI communicator and this process' rank 88 PetscCall(PetscObjectGetComm((PetscObject)dm, &comm)); 89 PetscCallMPI(MPI_Comm_rank(comm, &rank)); 90 PetscCallMPI(MPI_Comm_size(comm, &size)); 91 92 // Generate and broadcast the temporary file name from rank 0 93 if (rank == 0) { 94 #if defined(PETSC_HAVE_TMPNAM_S) 95 // Acquire a temporary file to write to and open an ASCII/CSV viewer 96 PetscCheck(tmpnam_s(filename, sizeof(filename)) == 0, comm, PETSC_ERR_SYS, "Could not acquire temporary file"); 97 #elif defined(PETSC_HAVE_MKSTEMP) && __STDC_VERSION__ > 199901L 98 size_t numChars; 99 // Same thing, but for POSIX systems on which tmpnam is deprecated 100 // Note: Configure may detect mkstemp but it will not be defined if compiling for C99, so check additional defines to see if we can use it 101 PetscCall(PetscStrncpy(filename, "/tmp/", sizeof(filename))); 102 // Mkstemp requires us to explicitly specify part of the path, but some systems may not like putting files in /tmp/ so have an option for it 103 PetscCall(PetscOptionsGetString(NULL, NULL, "-dmnetwork_view_tmpdir", filename, sizeof(filename), NULL)); 104 // Make sure the filename ends with a '/' 105 PetscCall(PetscStrlen(filename, &numChars)); 106 if (filename[numChars - 1] != '/') { 107 filename[numChars] = '/'; 108 filename[numChars + 1] = 0; 109 } 110 // Perform the actual temporary file creation 111 PetscCall(PetscStrlcat(filename, "XXXXXX", sizeof(filename))); 112 PetscCheck(mkstemp(filename) != -1, comm, PETSC_ERR_SYS, "Could not acquire temporary file"); 113 #else 114 // Same thing, but for older C versions which don't have the safe form 115 PetscCheck(tmpnam(filename) != NULL, comm, PETSC_ERR_SYS, "Could not acquire temporary file"); 116 #endif 117 // Broadcast the filename to all other MPI ranks 118 for (rank2 = 1; rank2 < size; rank2++) PetscCallMPI(MPI_Send(filename, PETSC_MAX_PATH_LEN, MPI_BYTE, rank2, 0, comm)); 119 } else { 120 // Receive the file name 121 PetscCallMPI(MPI_Recv(filename, PETSC_MAX_PATH_LEN, MPI_BYTE, 0, 0, comm, MPI_STATUS_IGNORE)); 122 } 123 124 PetscCall(PetscViewerASCIIOpen(PETSC_COMM_WORLD, filename, &csvViewer)); 125 PetscCall(PetscViewerPushFormat(csvViewer, PETSC_VIEWER_ASCII_CSV)); 126 127 // Use the CSV viewer to write out the local network 128 PetscCall(DMView_Network_CSV(dm, csvViewer)); 129 130 // Close the viewer 131 PetscCall(PetscViewerDestroy(&csvViewer)); 132 133 // Get the value of $PETSC_DIR 134 PetscCall(PetscStrreplace(PETSC_COMM_WORLD, "${PETSC_DIR}/share/petsc/bin/dmnetwork_view.py", scriptFile, sizeof(scriptFile))); 135 PetscCall(PetscFixFilename(scriptFile, scriptFile)); 136 // Generate the system call for 'python3 $PETSC_DIR/share/petsc/dmnetwork_view.py <file>' 137 PetscCall(PetscArrayzero(proccall, sizeof(proccall))); 138 PetscCall(PetscSNPrintf(proccall, sizeof(proccall), "%s %s %s %s", PETSC_PYTHON_EXE, scriptFile, (isnull ? "-tx" : ""), filename)); 139 140 #if defined(PETSC_HAVE_POPEN) 141 // Perform the call to run the python script (Note: while this is called on all ranks POpen will only run on rank 0) 142 PetscCall(PetscPOpen(PETSC_COMM_WORLD, NULL, proccall, "r", &processFile)); 143 if (processFile != NULL) { 144 while (fgets(streamBuffer, sizeof(streamBuffer), processFile) != NULL) PetscCall(PetscPrintf(PETSC_COMM_WORLD, "%s", streamBuffer)); 145 } 146 PetscCall(PetscPClose(PETSC_COMM_WORLD, processFile)); 147 #else 148 // Same thing, but using the standard library for systems that don't have POpen/PClose (only run on rank 0) 149 if (rank == 0) { 150 PetscCheck(system(proccall) == 0, comm, PETSC_ERR_SYS, "Failed to call viewer script"); 151 // Barrier so that all ranks wait until the call completes 152 PetscCallMPI(MPI_Barrier(PETSC_COMM_WORLD)); 153 } 154 #endif 155 // Clean up the temporary file we used using rank 0 156 if (rank == 0) PetscCheck(remove(filename) == 0, comm, PETSC_ERR_SYS, "Failed to delete temporary file"); 157 PetscFunctionReturn(PETSC_SUCCESS); 158 } 159 160 PetscErrorCode DMView_Network(DM dm, PetscViewer viewer) 161 { 162 PetscBool iascii, isdraw; 163 PetscViewerFormat format; 164 165 PetscFunctionBegin; 166 PetscValidHeaderSpecific(dm, DM_CLASSID, 1); 167 PetscValidHeaderSpecific(viewer, PETSC_VIEWER_CLASSID, 2); 168 PetscCall(PetscViewerGetFormat(viewer, &format)); 169 170 PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERDRAW, &isdraw)); 171 if (isdraw) { 172 PetscCall(DMView_Network_Matplotlib(dm, viewer)); 173 PetscFunctionReturn(PETSC_SUCCESS); 174 } 175 176 PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERASCII, &iascii)); 177 if (iascii) { 178 const PetscInt *cone, *vtx, *edges; 179 PetscInt vfrom, vto, i, j, nv, ne, nsv, p, nsubnet; 180 DM_Network *network = (DM_Network *)dm->data; 181 PetscMPIInt rank; 182 183 PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)dm), &rank)); 184 if (format == PETSC_VIEWER_ASCII_CSV) { 185 PetscCall(DMView_Network_CSV(dm, viewer)); 186 PetscFunctionReturn(PETSC_SUCCESS); 187 } 188 189 nsubnet = network->cloneshared->Nsubnet; /* num of subnetworks */ 190 if (!rank) { 191 PetscCall(PetscPrintf(PETSC_COMM_SELF, " NSubnets: %" PetscInt_FMT "; NEdges: %" PetscInt_FMT "; NVertices: %" PetscInt_FMT "; NSharedVertices: %" PetscInt_FMT ".\n", nsubnet, network->cloneshared->NEdges, network->cloneshared->NVertices, 192 network->cloneshared->Nsvtx)); 193 } 194 195 PetscCall(DMNetworkGetSharedVertices(dm, &nsv, NULL)); 196 PetscCall(PetscViewerASCIIPushSynchronized(viewer)); 197 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, " [%d] nEdges: %" PetscInt_FMT "; nVertices: %" PetscInt_FMT "; nSharedVertices: %" PetscInt_FMT "\n", rank, network->cloneshared->nEdges, network->cloneshared->nVertices, nsv)); 198 199 for (i = 0; i < nsubnet; i++) { 200 PetscCall(DMNetworkGetSubnetwork(dm, i, &nv, &ne, &vtx, &edges)); 201 if (ne) { 202 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, " Subnet %" PetscInt_FMT ": nEdges %" PetscInt_FMT ", nVertices(include shared vertices) %" PetscInt_FMT "\n", i, ne, nv)); 203 for (j = 0; j < ne; j++) { 204 p = edges[j]; 205 PetscCall(DMNetworkGetConnectedVertices(dm, p, &cone)); 206 PetscCall(DMNetworkGetGlobalVertexIndex(dm, cone[0], &vfrom)); 207 PetscCall(DMNetworkGetGlobalVertexIndex(dm, cone[1], &vto)); 208 PetscCall(DMNetworkGetGlobalEdgeIndex(dm, edges[j], &p)); 209 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, " edge %" PetscInt_FMT ": %" PetscInt_FMT " ----> %" PetscInt_FMT "\n", p, vfrom, vto)); 210 } 211 } 212 } 213 214 /* Shared vertices */ 215 PetscCall(DMNetworkGetSharedVertices(dm, NULL, &vtx)); 216 if (nsv) { 217 PetscInt gidx; 218 PetscBool ghost; 219 const PetscInt *sv = NULL; 220 221 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, " SharedVertices:\n")); 222 for (i = 0; i < nsv; i++) { 223 PetscCall(DMNetworkIsGhostVertex(dm, vtx[i], &ghost)); 224 if (ghost) continue; 225 226 PetscCall(DMNetworkSharedVertexGetInfo(dm, vtx[i], &gidx, &nv, &sv)); 227 PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, " svtx %" PetscInt_FMT ": global index %" PetscInt_FMT ", subnet[%" PetscInt_FMT "].%" PetscInt_FMT " ---->\n", i, gidx, sv[0], sv[1])); 228 for (j = 1; j < nv; j++) PetscCall(PetscViewerASCIISynchronizedPrintf(viewer, " ----> subnet[%" PetscInt_FMT "].%" PetscInt_FMT "\n", sv[2 * j], sv[2 * j + 1])); 229 } 230 } 231 PetscCall(PetscViewerFlush(viewer)); 232 PetscCall(PetscViewerASCIIPopSynchronized(viewer)); 233 } else PetscCheck(iascii, PetscObjectComm((PetscObject)dm), PETSC_ERR_SUP, "Viewer type %s not yet supported for DMNetwork writing", ((PetscObject)viewer)->type_name); 234 PetscFunctionReturn(PETSC_SUCCESS); 235 } 236