/** closes the visualization output file */
void SCIPvisualExit(
SCIP_VISUAL* visual, /**< visualization information */
SCIP_SET* set, /**< global SCIP settings */
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
assert( visual != NULL );
assert( set != NULL );
if ( visual->vbcfile != NULL )
{
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_FULL, "closing VBC information file\n");
fclose(visual->vbcfile);
visual->vbcfile = NULL;
}
if ( visual->bakfile != NULL )
{
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_FULL, "closing BAK information file\n");
fclose(visual->bakfile);
visual->bakfile = NULL;
}
if ( visual->nodenum )
SCIPhashmapFree(&visual->nodenum);
}
/** depending on the current memory usage, switches mode flag to standard or memory saving mode */
void SCIPstatUpdateMemsaveMode(
SCIP_STAT* stat, /**< problem statistics data */
SCIP_SET* set, /**< global SCIP settings */
SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
SCIP_MEM* mem /**< block memory pools */
)
{
assert(stat != NULL);
assert(set != NULL);
if( SCIPsetIsLT(set, set->mem_savefac, 1.0) )
{
SCIP_Longint memused;
memused = SCIPmemGetUsed(mem);
if( !stat->memsavemode && memused >= set->mem_savefac * set->limit_memory * 1024.0 * 1024.0 )
{
/* switch to memory saving mode */
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_HIGH,
"(node %"SCIP_LONGINT_FORMAT") switching to memory saving mode (mem: %.1fM/%.1fM)\n",
stat->nnodes, (SCIP_Real)memused/(1024.0*1024.0), set->limit_memory);
stat->memsavemode = TRUE;
set->nodesel = NULL;
}
else if( stat->memsavemode && memused < 0.5 * set->mem_savefac * set->limit_memory * 1024.0 * 1024.0 )
{
/* switch to standard mode */
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_HIGH,
"(node %"SCIP_LONGINT_FORMAT") switching to standard mode (mem: %.1fM/%.1fM)\n",
stat->nnodes, (SCIP_Real)memused/(1024.0*1024.0), set->limit_memory);
stat->memsavemode = FALSE;
set->nodesel = NULL;
}
}
else
stat->memsavemode = FALSE;
}
/** closes the VBC output file */
void SCIPvbcExit(
SCIP_VBC* vbc, /**< VBC information */
SCIP_SET* set, /**< global SCIP settings */
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
assert(vbc != NULL);
assert(set != NULL);
if( vbc->file != NULL )
{
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_FULL, "closing VBC information file\n");
fclose(vbc->file);
vbc->file = NULL;
SCIPhashmapFree(&vbc->nodenum);
}
}
/** initializes VBC information and creates a file for VBC output */
SCIP_RETCODE SCIPvbcInit(
SCIP_VBC* vbc, /**< VBC information */
BMS_BLKMEM* blkmem, /**< block memory */
SCIP_SET* set, /**< global SCIP settings */
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
assert(vbc != NULL);
assert(set != NULL);
assert(set->vbc_filename != NULL);
if( set->vbc_filename[0] == '-' && set->vbc_filename[1] == '\0' )
return SCIP_OKAY;
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_NORMAL,
"storing VBC information in file <%s>\n", set->vbc_filename);
vbc->file = fopen(set->vbc_filename, "w");
vbc->timestep = 0;
vbc->lastnode = NULL;
vbc->lastcolor = SCIP_VBCCOLOR_NONE;
vbc->userealtime = set->vbc_realtime;
if( vbc->file == NULL )
{
SCIPerrorMessage("error creating file <%s>\n", set->vbc_filename);
SCIPprintSysError(set->vbc_filename);
return SCIP_FILECREATEERROR;
}
SCIPmessageFPrintInfo(vbc->messagehdlr, vbc->file, "#TYPE: COMPLETE TREE\n");
SCIPmessageFPrintInfo(vbc->messagehdlr, vbc->file, "#TIME: SET\n");
SCIPmessageFPrintInfo(vbc->messagehdlr, vbc->file, "#BOUNDS: SET\n");
SCIPmessageFPrintInfo(vbc->messagehdlr, vbc->file, "#INFORMATION: STANDARD\n");
SCIPmessageFPrintInfo(vbc->messagehdlr, vbc->file, "#NODE_NUMBER: NONE\n");
SCIP_CALL( SCIPhashmapCreate(&vbc->nodenum, blkmem, SCIP_HASHSIZE_VBC) );
return SCIP_OKAY;
}
/** initializes visualization information and creates a file for visualization output */
SCIP_RETCODE SCIPvisualInit(
SCIP_VISUAL* visual, /**< visualization information */
BMS_BLKMEM* blkmem, /**< block memory */
SCIP_SET* set, /**< global SCIP settings */
SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
)
{
assert( visual != NULL );
assert( set != NULL );
assert( set->visual_vbcfilename != NULL );
assert( set->visual_bakfilename != NULL );
assert( visual->nodenum == NULL );
/* check whether we should initialize VBC output */
if ( set->visual_vbcfilename[0] != '-' || set->visual_vbcfilename[1] != '\0' )
{
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_NORMAL,
"storing VBC information in file <%s>\n", set->visual_vbcfilename);
visual->vbcfile = fopen(set->visual_vbcfilename, "w");
visual->timestep = 0;
visual->lastnode = NULL;
visual->lastcolor = SCIP_VBCCOLOR_NONE;
visual->userealtime = set->visual_realtime;
if( visual->vbcfile == NULL )
{
SCIPerrorMessage("error creating file <%s>\n", set->visual_vbcfilename);
SCIPprintSysError(set->visual_vbcfilename);
return SCIP_FILECREATEERROR;
}
SCIPmessageFPrintInfo(visual->messagehdlr, visual->vbcfile, "#TYPE: COMPLETE TREE\n");
SCIPmessageFPrintInfo(visual->messagehdlr, visual->vbcfile, "#TIME: SET\n");
SCIPmessageFPrintInfo(visual->messagehdlr, visual->vbcfile, "#BOUNDS: SET\n");
SCIPmessageFPrintInfo(visual->messagehdlr, visual->vbcfile, "#INFORMATION: STANDARD\n");
SCIPmessageFPrintInfo(visual->messagehdlr, visual->vbcfile, "#NODE_NUMBER: NONE\n");
}
/* check whether we should initialize BAK output */
if ( set->visual_bakfilename[0] != '-' || set->visual_bakfilename[1] != '\0' )
{
SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_NORMAL,
"storing BAK information in file <%s>\n", set->visual_bakfilename);
visual->bakfile = fopen(set->visual_bakfilename, "w");
visual->timestep = 0;
visual->lastnode = NULL;
visual->lastcolor = SCIP_VBCCOLOR_NONE;
visual->userealtime = set->visual_realtime;
if ( visual->bakfile == NULL )
{
SCIPerrorMessage("error creating file <%s>\n", set->visual_bakfilename);
SCIPprintSysError(set->visual_bakfilename);
return SCIP_FILECREATEERROR;
}
}
/* possibly init hashmap for nodes */
if ( visual->vbcfile != NULL || visual->bakfile != NULL )
{
SCIP_CALL( SCIPhashmapCreate(&visual->nodenum, blkmem, SCIP_HASHSIZE_VBC) );
}
return SCIP_OKAY;
}
