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/* Copyright 2008 ENSEIRB, INRIA & CNRS
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/* Copyright 2008-2010 ENSEIRB, INRIA & CNRS
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** This file is part of the Scotch software package for static mapping,
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** graph partitioning and sparse matrix ordering.
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static const char * C_usageList[] = { /* Usage */
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"dgmap [<input source file> [<input target file> [<output mapping file> [<output log file>]]]] <options>",
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"dgpart [<nparts>] [<input source file> [<output mapping file> [<output log file>]]] <options>",
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" -b<val> : Load imbalance tolerance (default: 0.01)",
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" -c<opt> : Choose default mapping strategy according to one or several of <opt>:",
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" b : enforce load balance as much as possible",
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" q : privilege quality over speed (default)",
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" s : privilege speed over quality",
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" t : enforce safety",
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" x : enforce scalability",
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" -h : Display this help",
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" -m<strat> : Set parallel mapping strategy (see user's manual)",
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" -r<num> : Set root process for centralized files (default is 0)",
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SCOTCH_Dgraph grafdat; /* Source graph */
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SCOTCH_Num grafflag; /* Source graph properties */
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SCOTCH_Arch archdat; /* Target architecture */
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SCOTCH_Strat stradat; /* Mapping strategy */
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SCOTCH_Dmapping mapdat; /* Mapping data */
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SCOTCH_Dgraph grafdat; /* Source graph */
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SCOTCH_Num grafflag; /* Source graph properties */
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SCOTCH_Arch archdat; /* Target architecture */
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SCOTCH_Dmapping mappdat; /* Mapping data */
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SCOTCH_Strat stradat; /* Mapping strategy */
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double kbalval; /* Imbalance tolerance value */
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int protglbnum; /* Root process */
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Clock runtime[2]; /* Timing variables */
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double reduloctab[12]; /* 3 * (min, max, sum) */
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int protglbnum; /* Root process */
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Clock runtime[2]; /* Timing variables */
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double reduloctab[12]; /* 3 * (min, max, sum) */
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double reduglbtab[12];
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MPI_Datatype redutype;
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#ifdef SCOTCH_PTHREAD
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int thrdlvlreqval;
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int thrdlvlproval;
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#endif /* SCOTCH_PTHREAD */
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flagval = C_FLAGNONE; /* Default behavior */
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flagval = C_FLAGNONE; /* Default behavior */
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straval = 0; /* No strategy flags */
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i = strlen (argv[0]);
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if ((i >= 5) && (strncmp (argv[0] + i - 5, "gpart", 5) == 0)) {
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flagval |= C_FLAGPART;
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grafflag = 0; /* Use vertex and edge weights */
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SCOTCH_stratInit (&stradat);
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kbalval = 0.01; /* Set default load imbalance value */
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for (i = 0; i < C_FILENBR; i ++) /* Set default stream pointers */
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C_fileTab[i].pntr = (C_fileTab[i].mode[0] == 'r') ? stdin : stdout;
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for (i = 1; i < argc; i ++) { /* Loop for all option codes */
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else { /* If found an option name */
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switch (argv[i][1]) {
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flagval |= C_FLAGKBALVAL;
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kbalval = atof (&argv[i][2]);
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if ((kbalval < 0.0) ||
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((argv[i][2] != '0') && (argv[i][2] != '.')))) {
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errorPrint ("main: invalid load imbalance ratio");
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case 'c' : /* Strategy selection parameters */
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for (j = 2; argv[i][j] != '\0'; j ++) {
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switch (argv[i][j]) {
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straval |= SCOTCH_STRATBALANCE;
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straval |= SCOTCH_STRATQUALITY;
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straval |= SCOTCH_STRATSPEED;
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straval |= SCOTCH_STRATSAFETY;
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straval |= SCOTCH_STRATSCALABILITY;
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errorPrint ("main: invalid strategy selection option (\"%c\")", argv[i][j]);
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#ifdef SCOTCH_DEBUG_ALL
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straptr = &argv[i][2];
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SCOTCH_stratExit (&stradat);
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SCOTCH_stratInit (&stradat);
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SCOTCH_stratDgraphMap (&stradat, &argv[i][2]);
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SCOTCH_stratDgraphMap (&stradat, straptr);
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case 'R' : /* Root process (if necessary) */
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fprintf (stderr, "dgmap/dgpart, version %s - F. Pellegrini\n", SCOTCH_VERSION);
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fprintf (stderr, "Copyright 2008 ENSEIRB, INRIA & CNRS, France\n");
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fprintf (stderr, "dgmap/dgpart, version " SCOTCH_VERSION_STRING "\n");
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fprintf (stderr, "Copyright 2008-2010 ENSEIRB, INRIA & CNRS, France\n");
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fprintf (stderr, "This software is libre/free software under CeCILL-C -- see the user's manual for more information\n");
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case 'v' : /* Output control info */
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SCOTCH_archInit (&archdat); /* Create architecture structure */
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if ((flagval & C_FLAGPART) != 0) /* If program run as the partitioner */
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SCOTCH_archCmplt (&archdat, C_partNbr); /* Create a complete graph of proper size */
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if (C_filepntrtgtinp == NULL)
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errorPrint ("main: target architecture file not provided");
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SCOTCH_archLoad (&archdat, C_filepntrtgtinp); /* Read target architecture */
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C_partNbr = SCOTCH_archSize (&archdat);
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if ((straval != 0) || ((flagval & C_FLAGKBALVAL) != 0)) {
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errorPrint ("main: options '-b' / '-c' and '-m' are exclusive");
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SCOTCH_stratDgraphMapBuild (&stradat, straval, (SCOTCH_Num) procglbnbr, (SCOTCH_Num) C_partNbr, kbalval);
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clockStop (&runtime[0]); /* Get input time */
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clockInit (&runtime[1]);
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clockStart (&runtime[1]);
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SCOTCH_dgraphMapInit (&grafdat, &mapdat, &archdat, NULL);
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SCOTCH_dgraphMapCompute (&grafdat, &mapdat, &stradat); /* Perform mapping */
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SCOTCH_dgraphGhst (&grafdat); /* Compute it once for good */
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SCOTCH_dgraphMapInit (&grafdat, &mappdat, &archdat, NULL);
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SCOTCH_dgraphMapCompute (&grafdat, &mappdat, &stradat); /* Perform mapping */
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clockStop (&runtime[1]); /* Get computation time */
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clockStart (&runtime[0]);
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SCOTCH_dgraphMapSave (&grafdat, &mapdat, (proclocnum == protglbnum) ? C_filepntrmapout : NULL); /* Write mapping */
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SCOTCH_dgraphMapSave (&grafdat, &mappdat, (proclocnum == protglbnum) ? C_filepntrmapout : NULL); /* Write mapping */
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clockStop (&runtime[0]); /* Get output time */
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#endif /* COMMON_MEMORY_TRACE */
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if (flagval & C_FLAGVERBMAP)
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SCOTCH_dgraphMapView (&grafdat, &mapdat, C_filepntrlogout);
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SCOTCH_dgraphMapView (&grafdat, &mappdat, C_filepntrlogout);
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fileBlockClose (C_fileTab, C_FILENBR); /* Always close explicitely to end eventual (un)compression tasks */
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SCOTCH_dgraphMapExit (&grafdat, &mapdat);
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SCOTCH_dgraphMapExit (&grafdat, &mappdat);
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SCOTCH_dgraphExit (&grafdat);
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SCOTCH_stratExit (&stradat);
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SCOTCH_archExit (&archdat);
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removed
src/scotch/dgmap.c
