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/* testDDviaFishnet.c */
#include "../GPart.h"
#include "../../DSTree.h"
#include "../../MSMD.h"
#include "../../BKL.h"
#include "../../ETree.h"
#include "../../Perm.h"
#include "../../IV.h"
#include "../../timings.h"
/*--------------------------------------------------------------------*/
int
main ( int argc, char *argv[] )
/*
---------------------------------------------------------------
read in a Graph and generate a domain decomposition via fishnet
created -- 96oct21, cca
---------------------------------------------------------------
*/
{
char *inGraphFileName, *msgFileName, *outIVfileName ;
double t1, t2 ;
FILE *msgFile ;
float freeze ;
GPart *gpart ;
Graph *graph ;
int maxweight, minweight, msglvl, nvtx, rc, seed ;
if ( argc != 9 ) {
fprintf(stdout,
"\n\n usage : %s msglvl msgFile inGraphFile "
"\n freeze minweight maxweight seed outIVfile"
"\n msglvl -- message level"
"\n msgFile -- message file"
"\n inGraphFile -- input file, must be *.graphf or *.graphb"
"\n freeze -- freeze factor, try 4"
"\n minweight -- minimum domain weight"
"\n maxweight -- maximum domain weight"
"\n seed -- random number seed"
"\n outIVfile -- output file for vertex component ids,"
"\n must be *.ivf or *.ivb"
"\n", argv[0]) ;
return(0) ;
}
msglvl = atoi(argv[1]) ;
msgFileName = argv[2] ;
if ( strcmp(msgFileName, "stdout") == 0 ) {
msgFile = stdout ;
} else if ( (msgFile = fopen(msgFileName, "a")) == NULL ) {
fprintf(stderr, "\n fatal error in %s"
"\n unable to open file %s\n",
argv[0], msgFileName) ;
return(-1) ;
}
inGraphFileName = argv[3] ;
freeze = atof(argv[4]) ;
minweight = atoi(argv[5]) ;
maxweight = atoi(argv[6]) ;
seed = atoi(argv[7]) ;
outIVfileName = argv[8] ;
fprintf(msgFile,
"\n %s : "
"\n msglvl -- %d"
"\n msgFile -- %s"
"\n inGraphFile -- %s"
"\n freeze -- %f"
"\n minweight -- %d"
"\n maxweight -- %d"
"\n seed -- %d"
"\n outIVfile -- %s"
"\n", argv[0], msglvl, msgFileName, inGraphFileName, freeze,
minweight, maxweight, seed, outIVfileName) ;
fflush(msgFile) ;
/*
------------------------
read in the Graph object
------------------------
*/
if ( strcmp(inGraphFileName, "none") == 0 ) {
fprintf(msgFile, "\n no file to read from") ;
exit(0) ;
}
MARKTIME(t1) ;
graph = Graph_new() ;
Graph_setDefaultFields(graph) ;
if ( (rc = Graph_readFromFile(graph, inGraphFileName)) != 1 ) {
fprintf(msgFile, "\n return value %d from Graph_readFromFile(%p,%s)",
rc, graph, inGraphFileName) ;
exit(-1) ;
}
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : read in graph from file %s",
t2 - t1, inGraphFileName) ;
nvtx = graph->nvtx ;
if ( msglvl < 4 ) {
Graph_writeStats(graph, msgFile) ;
fflush(msgFile) ;
} else {
Graph_writeForHumanEye(graph, msgFile) ;
fflush(msgFile) ;
}
/*
-----------------------
create the GPart object
-----------------------
*/
MARKTIME(t1) ;
gpart = GPart_new() ;
GPart_init(gpart, graph) ;
GPart_setMessageInfo(gpart, msglvl, msgFile) ;
MARKTIME(t2) ;
/*
---------------------------------------------
generate the domain decomposition via Fishnet
---------------------------------------------
*/
MARKTIME(t1) ;
GPart_DDviaFishnet(gpart, freeze, minweight, maxweight, seed) ;
MARKTIME(t2) ;
fprintf(msgFile, "\n CPU %9.5f : generate domain decomposition",
t2 - t1) ;
/*
-------------------------------------------
check that we have a valid vertex separator
-------------------------------------------
*/
if ( 1 != GPart_validVtxSep(gpart) ) {
fprintf(msgFile, "\n\n WHOA : multisector is not valid\n\n") ;
fflush(msgFile) ;
}
/*
----------------------------------
get the boundary weights IV object
----------------------------------
*/
if ( msglvl > 1 ) {
int icomp, ncomp ;
int *bnd, *cweights ;
IV *bndIV ;
bndIV = GPart_bndWeightsIV(gpart) ;
bnd = IV_entries(bndIV) ;
ncomp = gpart->ncomp ;
cweights = IV_entries(&gpart->cweightsIV) ;
fprintf(stdout,
"\n %% component id, component weight, boundary weight"
"\n data = [ ...") ;
for ( icomp = 0 ; icomp <= ncomp ; icomp++ ) {
fprintf(stdout, "\n %8d %8d %8d",
icomp, cweights[icomp], bnd[icomp]) ;
}
fprintf(stdout, " ] ") ;
IV_free(bndIV) ;
}
/*
------------------------------------------
optionally write out the compids IV object
------------------------------------------
*/
if ( strcmp(outIVfileName, "none") != 0 ) {
IV_writeToFile(&gpart->compidsIV, outIVfileName) ;
}
/*
------------------------
free the data structures
------------------------
*/
GPart_free(gpart) ;
Graph_free(graph) ;
fclose(msgFile) ;
return(1) ; }
/*--------------------------------------------------------------------*/
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