diff options
Diffstat (limited to 'benchmarks/CUDA/DG/3rdParty/ParMetis-3.1/METISLib/mpmetis.c')
| -rw-r--r-- | benchmarks/CUDA/DG/3rdParty/ParMetis-3.1/METISLib/mpmetis.c | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/benchmarks/CUDA/DG/3rdParty/ParMetis-3.1/METISLib/mpmetis.c b/benchmarks/CUDA/DG/3rdParty/ParMetis-3.1/METISLib/mpmetis.c deleted file mode 100644 index 3b7aa9f..0000000 --- a/benchmarks/CUDA/DG/3rdParty/ParMetis-3.1/METISLib/mpmetis.c +++ /dev/null @@ -1,402 +0,0 @@ -/* - * Copyright 1997, Regents of the University of Minnesota - * - * mpmetis.c - * - * This file contains the top level routines for the multilevel recursive - * bisection algorithm PMETIS. - * - * Started 7/24/97 - * George - * - * $Id: mpmetis.c,v 1.1 2003/07/16 15:55:12 karypis Exp $ - * - */ - -#include <metis.h> - - - -/************************************************************************* -* This function is the entry point for PWMETIS that accepts exact weights -* for the target partitions -**************************************************************************/ -void METIS_mCPartGraphRecursive(int *nvtxs, int *ncon, idxtype *xadj, idxtype *adjncy, - idxtype *vwgt, idxtype *adjwgt, int *wgtflag, int *numflag, int *nparts, - int *options, int *edgecut, idxtype *part) -{ - int i, j; - GraphType graph; - CtrlType ctrl; - - if (*numflag == 1) - Change2CNumbering(*nvtxs, xadj, adjncy); - - SetUpGraph(&graph, OP_PMETIS, *nvtxs, *ncon, xadj, adjncy, vwgt, adjwgt, *wgtflag); - - if (options[0] == 0) { /* Use the default parameters */ - ctrl.CType = McPMETIS_CTYPE; - ctrl.IType = McPMETIS_ITYPE; - ctrl.RType = McPMETIS_RTYPE; - ctrl.dbglvl = McPMETIS_DBGLVL; - } - else { - ctrl.CType = options[OPTION_CTYPE]; - ctrl.IType = options[OPTION_ITYPE]; - ctrl.RType = options[OPTION_RTYPE]; - ctrl.dbglvl = options[OPTION_DBGLVL]; - } - ctrl.optype = OP_PMETIS; - ctrl.CoarsenTo = 100; - - ctrl.nmaxvwgt = 1.5/(1.0*ctrl.CoarsenTo); - - InitRandom(-1); - - AllocateWorkSpace(&ctrl, &graph, *nparts); - - IFSET(ctrl.dbglvl, DBG_TIME, InitTimers(&ctrl)); - IFSET(ctrl.dbglvl, DBG_TIME, starttimer(ctrl.TotalTmr)); - - *edgecut = MCMlevelRecursiveBisection(&ctrl, &graph, *nparts, part, 1.000, 0); - - IFSET(ctrl.dbglvl, DBG_TIME, stoptimer(ctrl.TotalTmr)); - IFSET(ctrl.dbglvl, DBG_TIME, PrintTimers(&ctrl)); - - FreeWorkSpace(&ctrl, &graph); - - if (*numflag == 1) - Change2FNumbering(*nvtxs, xadj, adjncy, part); -} - - - -/************************************************************************* -* This function is the entry point for PWMETIS that accepts exact weights -* for the target partitions -**************************************************************************/ -void METIS_mCHPartGraphRecursive(int *nvtxs, int *ncon, idxtype *xadj, idxtype *adjncy, - idxtype *vwgt, idxtype *adjwgt, int *wgtflag, int *numflag, int *nparts, - float *ubvec, int *options, int *edgecut, idxtype *part) -{ - int i, j; - GraphType graph; - CtrlType ctrl; - float *myubvec; - - if (*numflag == 1) - Change2CNumbering(*nvtxs, xadj, adjncy); - - SetUpGraph(&graph, OP_PMETIS, *nvtxs, *ncon, xadj, adjncy, vwgt, adjwgt, *wgtflag); - - if (options[0] == 0) { /* Use the default parameters */ - ctrl.CType = PMETIS_CTYPE; - ctrl.IType = PMETIS_ITYPE; - ctrl.RType = PMETIS_RTYPE; - ctrl.dbglvl = PMETIS_DBGLVL; - } - else { - ctrl.CType = options[OPTION_CTYPE]; - ctrl.IType = options[OPTION_ITYPE]; - ctrl.RType = options[OPTION_RTYPE]; - ctrl.dbglvl = options[OPTION_DBGLVL]; - } - ctrl.optype = OP_PMETIS; - ctrl.CoarsenTo = 100; - - ctrl.nmaxvwgt = 1.5/(1.0*ctrl.CoarsenTo); - - myubvec = fmalloc(*ncon, "PWMETIS: mytpwgts"); - scopy(*ncon, ubvec, myubvec); - - InitRandom(-1); - - AllocateWorkSpace(&ctrl, &graph, *nparts); - - IFSET(ctrl.dbglvl, DBG_TIME, InitTimers(&ctrl)); - IFSET(ctrl.dbglvl, DBG_TIME, starttimer(ctrl.TotalTmr)); - - *edgecut = MCHMlevelRecursiveBisection(&ctrl, &graph, *nparts, part, myubvec, 0); - - IFSET(ctrl.dbglvl, DBG_TIME, stoptimer(ctrl.TotalTmr)); - IFSET(ctrl.dbglvl, DBG_TIME, PrintTimers(&ctrl)); - - FreeWorkSpace(&ctrl, &graph); - GKfree(&myubvec, LTERM); - - if (*numflag == 1) - Change2FNumbering(*nvtxs, xadj, adjncy, part); -} - - - -/************************************************************************* -* This function is the entry point for PWMETIS that accepts exact weights -* for the target partitions -**************************************************************************/ -void METIS_mCPartGraphRecursiveInternal(int *nvtxs, int *ncon, idxtype *xadj, idxtype *adjncy, - float *nvwgt, idxtype *adjwgt, int *nparts, int *options, int *edgecut, idxtype *part) -{ - int i, j; - GraphType graph; - CtrlType ctrl; - - SetUpGraph2(&graph, *nvtxs, *ncon, xadj, adjncy, nvwgt, adjwgt); - - if (options[0] == 0) { /* Use the default parameters */ - ctrl.CType = PMETIS_CTYPE; - ctrl.IType = PMETIS_ITYPE; - ctrl.RType = PMETIS_RTYPE; - ctrl.dbglvl = PMETIS_DBGLVL; - } - else { - ctrl.CType = options[OPTION_CTYPE]; - ctrl.IType = options[OPTION_ITYPE]; - ctrl.RType = options[OPTION_RTYPE]; - ctrl.dbglvl = options[OPTION_DBGLVL]; - } - ctrl.optype = OP_PMETIS; - ctrl.CoarsenTo = 100; - - ctrl.nmaxvwgt = 1.5/(1.0*ctrl.CoarsenTo); - - InitRandom(-1); - - AllocateWorkSpace(&ctrl, &graph, *nparts); - - IFSET(ctrl.dbglvl, DBG_TIME, InitTimers(&ctrl)); - IFSET(ctrl.dbglvl, DBG_TIME, starttimer(ctrl.TotalTmr)); - - *edgecut = MCMlevelRecursiveBisection(&ctrl, &graph, *nparts, part, 1.000, 0); - - IFSET(ctrl.dbglvl, DBG_TIME, stoptimer(ctrl.TotalTmr)); - IFSET(ctrl.dbglvl, DBG_TIME, PrintTimers(&ctrl)); - - FreeWorkSpace(&ctrl, &graph); - -} - - -/************************************************************************* -* This function is the entry point for PWMETIS that accepts exact weights -* for the target partitions -**************************************************************************/ -void METIS_mCHPartGraphRecursiveInternal(int *nvtxs, int *ncon, idxtype *xadj, idxtype *adjncy, - float *nvwgt, idxtype *adjwgt, int *nparts, float *ubvec, int *options, int *edgecut, - idxtype *part) -{ - int i, j; - GraphType graph; - CtrlType ctrl; - float *myubvec; - - SetUpGraph2(&graph, *nvtxs, *ncon, xadj, adjncy, nvwgt, adjwgt); - - if (options[0] == 0) { /* Use the default parameters */ - ctrl.CType = PMETIS_CTYPE; - ctrl.IType = PMETIS_ITYPE; - ctrl.RType = PMETIS_RTYPE; - ctrl.dbglvl = PMETIS_DBGLVL; - } - else { - ctrl.CType = options[OPTION_CTYPE]; - ctrl.IType = options[OPTION_ITYPE]; - ctrl.RType = options[OPTION_RTYPE]; - ctrl.dbglvl = options[OPTION_DBGLVL]; - } - ctrl.optype = OP_PMETIS; - ctrl.CoarsenTo = 100; - - ctrl.nmaxvwgt = 1.5/(1.0*ctrl.CoarsenTo); - - myubvec = fmalloc(*ncon, "PWMETIS: mytpwgts"); - scopy(*ncon, ubvec, myubvec); - - InitRandom(-1); - - AllocateWorkSpace(&ctrl, &graph, *nparts); - - IFSET(ctrl.dbglvl, DBG_TIME, InitTimers(&ctrl)); - IFSET(ctrl.dbglvl, DBG_TIME, starttimer(ctrl.TotalTmr)); - - *edgecut = MCHMlevelRecursiveBisection(&ctrl, &graph, *nparts, part, myubvec, 0); - - IFSET(ctrl.dbglvl, DBG_TIME, stoptimer(ctrl.TotalTmr)); - IFSET(ctrl.dbglvl, DBG_TIME, PrintTimers(&ctrl)); - - FreeWorkSpace(&ctrl, &graph); - GKfree(&myubvec, LTERM); - -} - - - - -/************************************************************************* -* This function takes a graph and produces a bisection of it -**************************************************************************/ -int MCMlevelRecursiveBisection(CtrlType *ctrl, GraphType *graph, int nparts, idxtype *part, - float ubfactor, int fpart) -{ - int i, j, nvtxs, ncon, cut; - idxtype *label, *where; - GraphType lgraph, rgraph; - float tpwgts[2]; - - nvtxs = graph->nvtxs; - if (nvtxs == 0) { - printf("\t***Cannot bisect a graph with 0 vertices!\n\t***You are trying to partition a graph into too many parts!\n"); - return 0; - } - - /* Determine the weights of the partitions */ - tpwgts[0] = 1.0*(nparts>>1)/(1.0*nparts); - tpwgts[1] = 1.0 - tpwgts[0]; - - MCMlevelEdgeBisection(ctrl, graph, tpwgts, ubfactor); - cut = graph->mincut; - - label = graph->label; - where = graph->where; - for (i=0; i<nvtxs; i++) - part[label[i]] = where[i] + fpart; - - if (nparts > 2) - SplitGraphPart(ctrl, graph, &lgraph, &rgraph); - - /* Free the memory of the top level graph */ - GKfree(&graph->gdata, &graph->nvwgt, &graph->rdata, &graph->label, LTERM); - - - /* Do the recursive call */ - if (nparts > 3) { - cut += MCMlevelRecursiveBisection(ctrl, &lgraph, nparts/2, part, ubfactor, fpart); - cut += MCMlevelRecursiveBisection(ctrl, &rgraph, nparts-nparts/2, part, ubfactor, fpart+nparts/2); - } - else if (nparts == 3) { - cut += MCMlevelRecursiveBisection(ctrl, &rgraph, nparts-nparts/2, part, ubfactor, fpart+nparts/2); - GKfree(&lgraph.gdata, &lgraph.nvwgt, &lgraph.label, LTERM); - } - - return cut; - -} - - - -/************************************************************************* -* This function takes a graph and produces a bisection of it -**************************************************************************/ -int MCHMlevelRecursiveBisection(CtrlType *ctrl, GraphType *graph, int nparts, idxtype *part, - float *ubvec, int fpart) -{ - int i, j, nvtxs, ncon, cut; - idxtype *label, *where; - GraphType lgraph, rgraph; - float tpwgts[2], *npwgts, *lubvec, *rubvec; - - lubvec = rubvec = NULL; - - nvtxs = graph->nvtxs; - ncon = graph->ncon; - if (nvtxs == 0) { - printf("\t***Cannot bisect a graph with 0 vertices!\n\t***You are trying to partition a graph into too many parts!\n"); - return 0; - } - - /* Determine the weights of the partitions */ - tpwgts[0] = 1.0*(nparts>>1)/(1.0*nparts); - tpwgts[1] = 1.0 - tpwgts[0]; - - /* For now, relax at the coarsest level only */ - if (nparts == 2) - MCHMlevelEdgeBisection(ctrl, graph, tpwgts, ubvec); - else - MCMlevelEdgeBisection(ctrl, graph, tpwgts, 1.000); - cut = graph->mincut; - - label = graph->label; - where = graph->where; - for (i=0; i<nvtxs; i++) - part[label[i]] = where[i] + fpart; - - if (nparts > 2) { - /* Adjust the ubvecs before the split */ - npwgts = graph->npwgts; - lubvec = fmalloc(ncon, "MCHMlevelRecursiveBisection"); - rubvec = fmalloc(ncon, "MCHMlevelRecursiveBisection"); - - for (i=0; i<ncon; i++) { - lubvec[i] = ubvec[i]*tpwgts[0]/npwgts[i]; - lubvec[i] = amax(lubvec[i], 1.01); - - rubvec[i] = ubvec[i]*tpwgts[1]/npwgts[ncon+i]; - rubvec[i] = amax(rubvec[i], 1.01); - } - - SplitGraphPart(ctrl, graph, &lgraph, &rgraph); - } - - /* Free the memory of the top level graph */ - GKfree(&graph->gdata, &graph->nvwgt, &graph->rdata, &graph->label, LTERM); - - - /* Do the recursive call */ - if (nparts > 3) { - cut += MCHMlevelRecursiveBisection(ctrl, &lgraph, nparts/2, part, lubvec, fpart); - cut += MCHMlevelRecursiveBisection(ctrl, &rgraph, nparts-nparts/2, part, rubvec, fpart+nparts/2); - } - else if (nparts == 3) { - cut += MCHMlevelRecursiveBisection(ctrl, &rgraph, nparts-nparts/2, part, rubvec, fpart+nparts/2); - GKfree(&lgraph.gdata, &lgraph.nvwgt, &lgraph.label, LTERM); - } - - GKfree(&lubvec, &rubvec, LTERM); - - return cut; - -} - - - - -/************************************************************************* -* This function performs multilevel bisection -**************************************************************************/ -void MCMlevelEdgeBisection(CtrlType *ctrl, GraphType *graph, float *tpwgts, float ubfactor) -{ - GraphType *cgraph; - - cgraph = MCCoarsen2Way(ctrl, graph); - - MocInit2WayPartition(ctrl, cgraph, tpwgts, ubfactor); - - MocRefine2Way(ctrl, graph, cgraph, tpwgts, ubfactor); - -} - - - -/************************************************************************* -* This function performs multilevel bisection -**************************************************************************/ -void MCHMlevelEdgeBisection(CtrlType *ctrl, GraphType *graph, float *tpwgts, float *ubvec) -{ - int i; - GraphType *cgraph; - -/* - for (i=0; i<graph->ncon; i++) - printf("%.4f ", ubvec[i]); - printf("\n"); -*/ - - cgraph = MCCoarsen2Way(ctrl, graph); - - MocInit2WayPartition2(ctrl, cgraph, tpwgts, ubvec); - - MocRefine2Way2(ctrl, graph, cgraph, tpwgts, ubvec); - -} - - |
