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/*
* ADIOS is freely available under the terms of the BSD license described
* in the COPYING file in the top level directory of this source distribution.
*
* Copyright (c) 2008 - 2009. UT-BATTELLE, LLC. All rights reserved.
*/
/* ADIOS C test: write then read variables with different paths possible
*
* How to run: mpirun -np <N> path_test
* Output: path_test.bp
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "adios.h"
#include "adios_read.h"
#ifdef DMALLOC
#include "dmalloc.h"
#endif
#define log(...) fprintf (stderr, "[rank=%3.3d, line %d]: ", rank, __LINE__); fprintf (stderr, __VA_ARGS__); fflush(stderr);
#define printE(...) fprintf (stderr, "[rank=%3.3d, line %d]: ERROR: ", rank, __LINE__); fprintf (stderr, __VA_ARGS__); fflush(stderr);
/* Variables to write */
int *a1, *a2, *a3, *a4, *a5, *a6, *a7;
/* Variables to read */
int *r1, *r2, *r3, *r4, *r5, *r6, *r7;
int ldim1 = 1;
int ldim2 = 2;
int ldim3 = 3;
int ldim4 = 4;
int ldim5 = 5;
int ldim6 = 6;
int ldim7 = 7;
int gdim1, gdim2, gdim3, gdim4, gdim5, gdim6, gdim7;
int offs1, offs2, offs3, offs4, offs5, offs6, offs7;
MPI_Comm comm = MPI_COMM_WORLD;
int rank;
int size;
void init_vars()
{
int i;
int v = rank%10;
gdim1 = size*ldim1;
gdim2 = size*ldim2;
gdim3 = size*ldim3;
gdim4 = size*ldim4;
gdim5 = size*ldim5;
gdim6 = size*ldim6;
gdim7 = size*ldim7;
offs1 = rank*ldim1;
offs2 = rank*ldim2;
offs3 = rank*ldim3;
offs4 = rank*ldim4;
offs5 = rank*ldim5;
offs6 = rank*ldim6;
offs7 = rank*ldim7;
a1 = (int*) malloc (ldim1 * sizeof(int));
a2 = (int*) malloc (ldim2 * sizeof(int));
a3 = (int*) malloc (ldim3 * sizeof(int));
a4 = (int*) malloc (ldim4 * sizeof(int));
a5 = (int*) malloc (ldim5 * sizeof(int));
a6 = (int*) malloc (ldim6 * sizeof(int));
a7 = (int*) malloc (ldim7 * sizeof(int));
r1 = (int*) malloc (ldim1 * sizeof(int));
r2 = (int*) malloc (ldim2 * sizeof(int));
r3 = (int*) malloc (ldim3 * sizeof(int));
r4 = (int*) malloc (ldim4 * sizeof(int));
r5 = (int*) malloc (ldim5 * sizeof(int));
r6 = (int*) malloc (ldim6 * sizeof(int));
r7 = (int*) malloc (ldim7 * sizeof(int));
for (i=0; i<ldim1; i++) a1[i] = 10+v;
for (i=0; i<ldim2; i++) a2[i] = 20+v;
for (i=0; i<ldim3; i++) a3[i] = 30+v;
for (i=0; i<ldim4; i++) a4[i] = 40+v;
for (i=0; i<ldim5; i++) a5[i] = 50+v;
for (i=0; i<ldim6; i++) a6[i] = 60+v;
for (i=0; i<ldim7; i++) a7[i] = 70+v;
}
void fini_vars()
{
free (a1);
free (a2);
free (a3);
free (a4);
free (a5);
free (a6);
free (a7);
free (r1);
free (r2);
free (r3);
free (r4);
free (r5);
free (r6);
free (r7);
}
int write_file (char *fname);
int read_file (char *fname);
int main (int argc, char ** argv)
{
int err;
MPI_Init (&argc, &argv);
MPI_Comm_rank (comm, &rank);
MPI_Comm_size (comm, &size);
init_vars();
adios_init ("path_test.xml", comm);
err = adios_read_init_method(ADIOS_READ_METHOD_BP, comm, "verbose=2");
if (err) {
printE ("%s\n", adios_errmsg());
}
if (!err)
err = write_file ("path_test_1.bp");
if (!err)
err = read_file ("path_test_1.bp");
if (!err)
err = write_file ("path_test_2.bp");
if (!err)
err = read_file ("path_test_2.bp");
adios_finalize (rank);
fini_vars();
MPI_Finalize ();
return err;
}
int write_file (char *fname)
{
int64_t fh;
uint64_t groupsize=0, totalsize;
log ("Write data to %s\n", fname);
adios_open (&fh, "pathtest", fname, "w", comm);
groupsize = 21*4; // dimensions
groupsize += 4 * ldim1; // a1 integer array
groupsize += 4 * ldim2; // a2 integer array
groupsize += 4 * ldim3; // a3 integer array
groupsize += 4 * ldim4; // a4 integer array
groupsize += 4 * ldim5; // a5 integer array
groupsize += 4 * ldim6; // a6 integer array
groupsize += 4 * ldim7; // a7 integer array
adios_group_size (fh, groupsize, &totalsize);
adios_write (fh, "dir1/gdim1", &gdim1);
adios_write (fh, "/dir1/gdim2", &gdim2);
adios_write (fh, "dir1/gdim3", &gdim3);
adios_write (fh, "/dir1/dir2/gdim4", &gdim4);
adios_write (fh, "/gdim5", &gdim5);
adios_write (fh, "gdim6", &gdim6);
adios_write (fh, "gdim7", &gdim7);
adios_write (fh, "dir1/ldim1", &ldim1);
adios_write (fh, "/dir1/ldim2", &ldim2);
adios_write (fh, "dir1/ldim3", &ldim3);
adios_write (fh, "/dir1/dir2/ldim4", &ldim4);
adios_write (fh, "/ldim5", &ldim5);
adios_write (fh, "ldim6", &ldim6);
adios_write (fh, "ldim7", &ldim7);
adios_write (fh, "dir1/offs1", &offs1);
adios_write (fh, "/dir1/offs2", &offs2);
adios_write (fh, "dir1/offs3", &offs3);
adios_write (fh, "/dir1/dir2/offs4", &offs4);
adios_write (fh, "/offs5", &offs5);
adios_write (fh, "offs6", &offs6);
adios_write (fh, "offs7", &offs7);
adios_write (fh, "dir1/a1", a1);
adios_write (fh, "/dir1/a2", a2);
adios_write (fh, "dir1/a3", a3);
adios_write (fh, "/dir1/dir2/a4", a4);
adios_write (fh, "/a5", a5);
adios_write (fh, "a6", a6);
adios_write (fh, "a7", a7);
adios_close (fh);
MPI_Barrier (comm);
return 0;
}
#define GET_SCALAR(VARNAME) \
vi = adios_inq_var (f, VARNAME); \
if (vi == NULL) { \
printE ("No such variable %s\n", VARNAME); \
err = 101; \
goto endread; \
} \
#define CHECK_SCALAR(VARNAME,VAR,TYPE) \
GET_SCALAR(VARNAME) \
if (*(TYPE*)vi->value != VAR) { \
printE ("Scalar %s as read from file != as written\n", VARNAME); \
err = 102; \
goto endread; \
} \
adios_free_varinfo (vi);
#define CHECK_ARRAY(A,R,LEN) \
for (i=0;i<LEN;i++) \
if (A[i] != R[i]) { \
printE ("Variable " #A " does not equal in written and read values at position %d\n", i);\
err = 103; \
goto endread;\
}
void reset_rarrays()
{
memset (r1, -1, ldim1*sizeof(int));
memset (r2, -1, ldim2*sizeof(int));
memset (r3, -1, ldim3*sizeof(int));
memset (r4, -1, ldim4*sizeof(int));
memset (r5, -1, ldim5*sizeof(int));
memset (r6, -1, ldim6*sizeof(int));
memset (r7, -1, ldim7*sizeof(int));
}
int read_file (char *fname)
{
ADIOS_SELECTION *sel;
ADIOS_FILE * f;
ADIOS_VARINFO * vi;
int err=0,i;
uint64_t start[1];
uint64_t count[1];
reset_rarrays();
log ("Read and check data in %s\n", fname);
f = adios_read_open_file (fname, ADIOS_READ_METHOD_BP, comm);
if (f == NULL) {
printE ("Error at opening file: %s\n", adios_errmsg());
return 1;
}
log (" Global dimensions... %s\n", fname);
CHECK_SCALAR ("dir1/gdim1", gdim1, int)
CHECK_SCALAR ("/dir1/gdim2", gdim2, int)
CHECK_SCALAR ("dir1/gdim3", gdim3, int)
CHECK_SCALAR ("/dir1/dir2/gdim4", gdim4, int)
CHECK_SCALAR ("/gdim5", gdim5, int)
CHECK_SCALAR ("gdim6", gdim6, int)
CHECK_SCALAR ("gdim7", gdim7, int)
log (" Arrays... %s\n", fname);
log (" a1...\n");
start[0] = offs1;
count[0] = ldim1;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "dir1/a1", 0, 1, r1);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a1, r1, ldim1)
log (" a2...\n");
start[0] = offs2;
count[0] = ldim2;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "/dir1/a2", 0, 1, r2);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a2, r2, ldim2)
log (" a3...\n");
start[0] = offs3;
count[0] = ldim3;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "dir1/a3", 0, 1, r3);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a3, r3, ldim3)
log (" a4...\n");
start[0] = offs4;
count[0] = ldim4;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "/dir1/dir2/a4", 0, 1, r4);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a4, r4, ldim4)
log (" a5...\n");
start[0] = offs5;
count[0] = ldim5;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "/a5", 0, 1, r5);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a5, r5, ldim5)
log (" a6...\n");
start[0] = offs6;
count[0] = ldim6;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "a6", 0, 1, r6);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a6, r6, ldim6)
log (" a7...\n");
start[0] = offs7;
count[0] = ldim7;
sel = adios_selection_boundingbox (1, start, count);
adios_schedule_read (f, sel, "a7", 0, 1, r7);
adios_perform_reads (f, 1);
adios_selection_delete (sel);
CHECK_ARRAY (a7, r7, ldim7)
endread:
adios_read_close(f);
MPI_Barrier (comm);
return err;
}
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