forked from Unidata/netcdf-c
/
tst_pnetcdf.c
165 lines (141 loc) · 5.54 KB
/
tst_pnetcdf.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/* This is part of the netCDF package.
Copyright 2005 University Corporation for Atmospheric Research/Unidata
See COPYRIGHT file for conditions of use.
Test fix of bug involving creation of a file with pnetcdf APIs,
then opening and modifying the file with netcdf.
Author: Wei-keng Liao.
*/
#include <nc_tests.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mpi.h>
#include <netcdf.h>
#include <netcdf_par.h>
#include <assert.h>
#define NVARS 6
#define NX 5
#define FILENAME "tst_pnetcdf.nc"
int main(int argc, char* argv[])
{
int i, j, rank, nprocs, ncid, cmode, varid[NVARS], dimid[2], *buf;
int err = 0;
char str[32];
size_t start[2], count[2];
MPI_Comm comm=MPI_COMM_SELF;
MPI_Info info=MPI_INFO_NULL;
printf("\n*** Testing bug fix with changing pnetcdf variable offsets...");
MPI_Init(&argc,&argv);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (nprocs > 1 && rank == 0)
printf("This test program is intended to run on ONE process\n");
if (rank > 0) goto fn_exit;
/* first, use PnetCDF to create a file with default header/variable alignment */
#ifdef DISABLE_PNETCDF_ALIGNMENT
MPI_Info_create(&info);
MPI_Info_set(info, "nc_header_align_size", "1");
MPI_Info_set(info, "nc_var_align_size", "1");
#endif
cmode = NC_PNETCDF | NC_CLOBBER;
if (nc_create_par(FILENAME, cmode, comm, info, &ncid)) ERR_RET;
/* define dimension */
if (nc_def_dim(ncid, "Y", NC_UNLIMITED, &dimid[0])) ERR;
if (nc_def_dim(ncid, "X", NX, &dimid[1])) ERR;
/* Odd numbers are fixed variables, even numbers are record variables */
for (i=0; i<NVARS; i++) {
if (i%2) {
sprintf(str,"fixed_var_%d",i);
if (nc_def_var(ncid, str, NC_INT, 1, dimid+1, &varid[i])) ERR;
}
else {
sprintf(str,"record_var_%d",i);
if (nc_def_var(ncid, str, NC_INT, 2, dimid, &varid[i])) ERR;
}
}
if (nc_enddef(ncid)) ERR;
for (i=0; i<NVARS; i++) {
/* Note NC_INDEPENDENT is the default */
if (nc_var_par_access(ncid, varid[i], NC_INDEPENDENT)) ERR;
}
/* write all variables */
buf = (int*) malloc(NX * sizeof(int));
for (i=0; i<NVARS; i++) {
for (j=0; j<NX; j++) buf[j] = i*10 + j;
if (i%2) {
start[0] = 0; count[0] = NX;
if (nc_put_vara_int(ncid, varid[i], start, count, buf)) ERR;
}
else {
start[0] = 0; start[1] = 0;
count[0] = 1; count[1] = NX;
if (nc_put_vara_int(ncid, varid[i], start, count, buf)) ERR;
}
}
if (nc_close(ncid)) ERR;
if (info != MPI_INFO_NULL) MPI_Info_free(&info);
/* re-open the file with netCDF (parallel) and enter define mode */
if (nc_open_par(FILENAME, NC_WRITE|NC_PNETCDF, comm, info, &ncid)) ERR_RET;
if (nc_redef(ncid)) ERR;
/* add attributes to make header grow */
for (i=0; i<NVARS; i++) {
sprintf(str, "annotation_for_var_%d",i);
if (nc_put_att_text(ncid, varid[i], "text_attr", strlen(str), str)) ERR;
}
if (nc_enddef(ncid)) ERR;
/* read variables and check their contents */
for (i=0; i<NVARS; i++) {
for (j=0; j<NX; j++) buf[j] = -1;
if (i%2) {
start[0] = 0; count[0] = NX;
if (nc_get_var_int(ncid, varid[i], buf)) ERR;
for (j=0; j<NX; j++)
if (buf[j] != i*10 + j)
printf("unexpected read value var i=%d buf[j=%d]=%d should be %d\n",i,j,buf[j],i*10+j);
}
else {
start[0] = 0; start[1] = 0;
count[0] = 1; count[1] = NX;
if (nc_get_vara_int(ncid, varid[i], start, count, buf)) ERR;
for (j=0; j<NX; j++)
if (buf[j] != i*10+j)
printf("unexpected read value var i=%d buf[j=%d]=%d should be %d\n",i,j,buf[j],i*10+j);
}
}
if (nc_close(ncid)) ERR;
fn_exit:
MPI_Finalize();
SUMMARIZE_ERR;
FINAL_RESULTS;
return 0;
}
/*
Compile:
mpicc -g -o nc_pnc nc_pnc.c -lnetcdf -lcurl -lhdf5_hl -lhdf5 -lpnetcdf -lz -lm
Run:
nc_pnc
Standard Output:
At the time of this test is written, I used the following libraries.
HDF5 version 1.8.10
netCDF version 4.2.1.1 and
PnetCDF version 1.3.1
If macro DISABLE_PNETCDF_ALIGNMENT is defined (i.e. disable PnetCDF
alignment) then there is no standard output.
If macro DISABLE_PNETCDF_ALIGNMENT is NOT defined (i.e. default PnetCDF
alignment) then this test reports unexpected read values below.
unexpected read value var i=1 buf[j=0]=0 should be 10
unexpected read value var i=1 buf[j=1]=0 should be 11
unexpected read value var i=1 buf[j=2]=0 should be 12
unexpected read value var i=1 buf[j=3]=0 should be 13
unexpected read value var i=1 buf[j=4]=0 should be 14
unexpected read value var i=3 buf[j=0]=0 should be 30
unexpected read value var i=3 buf[j=1]=0 should be 31
unexpected read value var i=3 buf[j=2]=0 should be 32
unexpected read value var i=3 buf[j=3]=0 should be 33
unexpected read value var i=3 buf[j=4]=0 should be 34
unexpected read value var i=5 buf[j=0]=0 should be 50
unexpected read value var i=5 buf[j=1]=0 should be 51
unexpected read value var i=5 buf[j=2]=0 should be 52
unexpected read value var i=5 buf[j=3]=0 should be 53
unexpected read value var i=5 buf[j=4]=0 should be 54
*/