hdf5/testpar/testphdf5.c

293 lines
7.0 KiB
C

/* $Id$ */
/*
* Main driver of the Parallel HDF5 tests
*/
#include <testphdf5.h>
/* global variables */
int dim0 = DIM0;
int dim1 = DIM1;
int chunkdim0;
int chunkdim1;
int nerrors = 0; /* errors count */
int verbose = 0; /* verbose, default as no. */
/* FilePrefix defines where the temporary parallel test files should be. */
/* In a parallel system, filesystem suitable for compiling are unlikly */
/* the right place for parallel I/O. There is no common used pathname */
/* for the parallel file system. So, /tmp is used as the default. */
#ifdef __PUMAGON__
/* For the PFS of TFLOPS */
char *fileprefix = "pfs:/pfs_grande/multi/tmp_1/";
#else
char *fileprefix = "/tmp/";
#endif
size_t fileprefixlen; /* file prefix length */
herr_t (*old_func)(void*); /* previous error handler */
void *old_client_data; /* previous error handler arg.*/
/* other option flags */
int doread=1; /* read test */
int dowrite=1; /* write test */
char *filenames[]={ "ParaEg1.h5f",
"ParaEg2.h5f",
"ParaEg3.h5f",
"Mdset.h5f" };
#ifdef USE_PAUSE
/* pause the process for a moment to allow debugger to attach if desired. */
/* Will pause more if greenlight file is not persent but will eventually */
/* continue. */
#include <sys/types.h>
#include <sys/stat.h>
void pause_proc(MPI_Comm comm, int argc, char **argv)
{
int pid;
struct stat statbuf;
char greenlight[] = "go";
int maxloop = 10;
int loops = 0;
int time_int = 10;
/* mpi variables */
int mpi_size, mpi_rank;
int mpi_namelen;
char mpi_name[MPI_MAX_PROCESSOR_NAME];
#ifdef DISABLED
/* check if an pause interval option is given */
if (--argc > 0 && isdigit(*++argv))
time_int = atoi(*argv);
#endif
pid = getpid();
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
MPI_Get_processor_name(mpi_name, &mpi_namelen);
if (MAINPROCESS)
while ((stat(greenlight, &statbuf) == -1) && loops < maxloop){
if (!loops++){
printf("Proc %d (%*s, %d): to debug, attach %d\n",
mpi_rank, mpi_namelen, mpi_name, pid, pid);
}
printf("waiting(%ds) for file %s ...\n", time_int, greenlight);
fflush(stdout);
sleep(time_int);
}
MPI_Barrier(comm);
}
#endif /* USE_PAUSE */
/*
* Show command usage
*/
void
usage(void)
{
printf("Usage: testphdf5 [-r] [-w] [-v] [-f <prefix>] [-d <dim0> <dim1>]\n");
printf("\t-r\t\tno read\n");
printf("\t-w\t\tno write\n");
printf("\t-v\t\tverbose on\n");
printf("\t-f <prefix>\tfilename prefix\n");
printf("\t-d <dim0> <dim1>\tdataset dimensions\n");
printf("\t-c <dim0> <dim1>\tdataset chunk dimensions\n");
printf("\tDefault: do write then read with dimensions %dx%d\n",
DIM0, DIM1);
printf("\n");
}
/*
* parse the command line options
*/
int
parse_options(int argc, char **argv)
{
int mpi_size, mpi_rank; /* mpi variables */
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
/* setup default chunk-size. Make sure sizes are > 0 */
chunkdim0 = (dim0+9)/10;
chunkdim1 = (dim1+9)/10;
while (--argc){
if (**(++argv) != '-'){
break;
}else{
switch(*(*argv+1)){
case 'r': doread = 0;
break;
case 'w': dowrite = 0;
break;
case 'v': verbose = 1;
break;
case 'f': if (--argc < 1) {
nerrors++;
return(1);
}
if (**(++argv) == '-') {
nerrors++;
return(1);
}
fileprefix = *argv;
break;
case 'd': /* dimensizes */
if (--argc < 2){
nerrors++;
return(1);
}
dim0 = atoi(*(++argv));
argc--;
dim1 = atoi(*(++argv));
/* set default chunkdim sizes too */
chunkdim0 = (dim0+9)/10;
chunkdim1 = (dim1+9)/10;
break;
case 'c': /* chunk dimensions */
if (--argc < 2){
nerrors++;
return(1);
}
chunkdim0 = atoi(*(++argv));
argc--;
chunkdim1 = atoi(*(++argv));
break;
case 'h': /* print help message--return with nerrors set */
return(1);
default: nerrors++;
return(1);
}
}
} /*while*/
/* check validity of dimension and chunk sizes */
if (dim0 <= 0 || dim1 <= 0){
printf("Illegal dim sizes (%d, %d)\n", dim0, dim1);
nerrors++;
return(1);
}
if (chunkdim0 <= 0 || chunkdim1 <= 0){
printf("Illegal chunkdim sizes (%d, %d)\n", chunkdim0, chunkdim1);
nerrors++;
return(1);
}
/* Make sure datasets can be divided into equal portions by the processes */
if ((dim0 % mpi_size) || (dim1 % mpi_size)){
if (MAINPROCESS)
printf("dim0(%d) and dim1(%d) must be multiples of processes(%d)\n",
dim0, dim1, mpi_size);
nerrors++;
return(1);
}
/* compose the filenames if file prefix is defined */
if (fileprefix != NULL) {
char *tmpptr;
int i;
fileprefixlen = strlen(fileprefix);
i = sizeof(filenames)/sizeof(filenames[0]);
while (i-- > 0){
tmpptr = filenames[i];
filenames[i] = (char *)malloc (fileprefixlen + strlen(tmpptr) + 1);
if (!filenames[i]) {
printf("%s\n","memory allocation failed");
nerrors++;
return(1);
}
strcpy(filenames[i],fileprefix);
strcat(filenames[i],tmpptr);
}
}
return(0);
}
main(int argc, char **argv)
{
int mpi_size, mpi_rank; /* mpi variables */
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
if (MAINPROCESS){
printf("===================================\n");
printf("PHDF5 TESTS START\n");
printf("===================================\n");
}
#ifdef USE_PAUSE
pause_proc(MPI_COMM_WORLD, argc, argv);
#endif
if (parse_options(argc, argv) != 0){
if (MAINPROCESS)
usage();
goto finish;
}
if (dowrite){
MPI_BANNER("testing MPIO independent overlapping writes...");
test_mpio_overlap_writes(filenames);
MPI_BANNER("testing dataset using split communicators...");
test_split_comm_access(filenames);
MPI_BANNER("testing dataset independent write...");
dataset_writeInd(filenames[0]);
MPI_BANNER("testing dataset collective write...");
dataset_writeAll(filenames[1]);
MPI_BANNER("testing extendible dataset independent write...");
extend_writeInd(filenames[2]);
MPI_BANNER("testing multiple datasets write ...");
multiple_dset_write(filenames[3]);
}
if (doread){
MPI_BANNER("testing dataset independent read...");
dataset_readInd(filenames[0]);
MPI_BANNER("testing dataset collective read...");
dataset_readAll(filenames[1]);
MPI_BANNER("testing extendible dataset independent read...");
extend_readInd(filenames[2]);
}
if (!(dowrite || doread)){
usage();
nerrors++;
}
finish:
if (MAINPROCESS){ /* only process 0 reports */
printf("===================================\n");
if (nerrors){
printf("***PHDF5 tests detected %d errors***\n", nerrors);
}
else{
printf("PHDF5 tests finished with no errors\n");
}
printf("===================================\n");
}
MPI_Finalize();
return(nerrors);
}