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/*@@
@file GHExtension.c
@date Tue 9th Feb 1999
@author Gabrielle Allen
@desc
IOUtil GH extension stuff.
@enddesc
@history
@hauthor Thomas Radke @hdate 16 Mar 1999
@hdesc Added parameters for 2D and 3D output
@hauthor Thomas Radke @hdate 01 Apr 1999
@hdesc check parameter symmetry instead of grid in Automatic1DLines()
@endhistory
@@*/
/*#define DEBUG_IO*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "cctk.h"
#include "cctk_parameters.h"
#include "ioGH.h"
void *IOUtil_SetupGH (tFleshConfig *config, int convergence_level, cGH *GH)
{
/* nothing else to allocate but the extension */
return (malloc (sizeof (ioGH)));
}
int IOUtil_InitGH(cGH *GH)
{
DECLARE_CCTK_PARAMETERS
int i;
ioGH *myGH;
myGH = (ioGH *) GH->extensions [CCTK_GHExtensionHandle ("IO")];
/* Create the checkpoint directory if it is different to outdir */
if (checkpoint_every > 0 && ! CCTK_Equals (checkpoint_dir, outdir)) {
if (CCTK_MyProc (GH) == 0) {
char *command = (char *) malloc (1024 * sizeof (char));
sprintf (command, "mkdir -p %s", checkpoint_dir);
if (system (command) < 0)
CCTK_WARN (1,"Problem creating checkpoint directory");
free (command);
}
}
if (CCTK_Equals (out3D_mode, "proc")) {
myGH->ioproc = CCTK_MyProc (GH);
myGH->nioprocs = CCTK_nProcs (GH);
myGH->ioproc_every = 1;
} else if (CCTK_Equals (out3D_mode, "np")) {
if (out3D_procs > CCTK_nProcs (GH)) {
myGH->ioproc_every = CCTK_nProcs (GH);
printf ("Reducing ioproc_every to %d\n", myGH->ioproc_every);
} else
myGH->ioproc_every = out3D_procs;
myGH->nioprocs = CCTK_nProcs (GH) / myGH->ioproc_every +
(CCTK_nProcs (GH) % myGH->ioproc_every ? 1 : 0);
myGH->ioproc = CCTK_MyProc (GH) -
CCTK_MyProc (GH) % myGH->ioproc_every;
} else if (CCTK_Equals (out3D_mode, "onefile")) {
myGH->ioproc = 0;
myGH->nioprocs = 1;
myGH->ioproc_every = CCTK_nProcs (GH);
} else {
printf ("I don't understand out3D_mode setting. Using onefile.\n");
myGH->ioproc = 0;
myGH->nioprocs = 1;
myGH->ioproc_every = CCTK_nProcs (GH);
}
/* At the moment only have unchunked for a single output file */
if (out3D_unchunked || CCTK_nProcs (GH) == 1) {
if (myGH->ioproc_every >= CCTK_nProcs (GH))
myGH->unchunked = 1;
else {
printf ("Unchunked output not currently supported for multiple\n");
printf ("output files. Output will be chunked.\n");
myGH->unchunked = 0;
}
} else
myGH->unchunked = 0;
/* save downsampling parameters in ioUtilGH because they are temporarily
reset during checkpointing */
myGH->downsample_x = out3D_downsample_x;
myGH->downsample_y = out3D_downsample_y;
myGH->downsample_z = out3D_downsample_z;
/* evaluate the out_single parameter only for Cactus compiled with
double precision */
#ifdef SINGLE_PRECISION
myGH->out_single = 0;
#else
myGH->out_single = out3D_single;
#endif
return 0;
}
int IOUtil_rfrTraverseGH(cGH *GH, int rfrpoint)
{
return 0;
}
/* ===============================================================
utility routines used by other IO thorns
===============================================================*/
int InitIONum(int *array, char *string)
{
char *before=NULL;
char *after=NULL;
char *splitstring;
int first,groupnum,i,last,index,varnum;
/* First initialise every variable to no output */
for (i=0; i<CCTK_NumVars(); i++)
array[i] = 0;
splitstring=string;
while(Util_SplitString(&before,&after,splitstring," ")==0) {
#ifdef DEBUG_IO
printf(" String is -%s-\n",splitstring);
printf(" Split is -%s- and -%s-\n",before,after);
#endif
if (CCTK_Equals(before," ")) continue;
if (strlen(before) > 0) {
/* Look for any special tokens */
if (CCTK_Equals(before,"all")) {
int ilab;
for (ilab=0;ilab<CCTK_NumVars();ilab++)
array[ilab]=1;
} else {
/* See if this name is implementation::variable */
varnum = CCTK_VarIndex(before);
if ( varnum < 0 ) {
/* See if this name is implementation::group */
groupnum = CCTK_GroupIndex(before);
if (groupnum < 0) {
char *msg;
msg = (char *)malloc((100+strlen(before))*sizeof(char));
sprintf(msg,"Ignoring %s in IO string (invalid token)",before);
CCTK_WARN(2,msg);
free(msg);
} else {
/* We have a group so now need all the variables in the group */
first = CCTK_FirstVarIndexI(groupnum);
last = first+CCTK_NumVarsInGroupI(groupnum)-1;
for (index=first;index<=last;index++)
array[index] = 1;
}
} else
array[varnum] = 1;
}
}
splitstring = after;
}
if (strlen(splitstring)>0) {
/* Special cases */
if (CCTK_Equals(splitstring,"all")) {
int ilab;
for (ilab=0;ilab<CCTK_NumVars();ilab++)
array[ilab]=1;
} else {
varnum = CCTK_VarIndex(splitstring);
if (varnum < 0) {
groupnum = CCTK_GroupIndex(splitstring);
if (groupnum < 0) {
char *msg;
msg = (char *)malloc((100+strlen(splitstring))*sizeof(char));
sprintf(msg,"Ignoring %s in IO string (invalid token)",splitstring);
CCTK_WARN(2,msg);
free(msg);
} else {
/* We have a group so now need all the variables in the group */
first = CCTK_FirstVarIndexI(groupnum);
last = first+CCTK_NumVarsInGroupI(groupnum)-1;
for (index=first;index<=last;index++)
array[index] = 1;
}
} else
array[varnum] = 1;
}
}
if (before) free(before);
if (after) free(after);
return 0;
}
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