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/*============================================================================
* Unit test for fvm_file.c;
*============================================================================*/
/*
This file is part of Code_Saturne, a general-purpose CFD tool.
Copyright (C) 1998-2019 EDF S.A.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*----------------------------------------------------------------------------*/
#include "cs_defs.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <bft_error.h>
#include <bft_mem.h>
#include <bft_printf.h>
#include "cs_file.h"
/*---------------------------------------------------------------------------*/
static void
_create_test_data(void)
{
int i;
cs_file_t *f;
char header[80];
char footer[80];
int iarray[30];
double farray[30];
#if defined(HAVE_MPI)
int mpi_flag;
MPI_Comm comm = MPI_COMM_NULL;
#endif
sprintf(header, "fvm test file");
for (i = strlen(header); i < 80; i++)
header[i] = '\0';
sprintf(footer, "fvm test file end");
for (i = strlen(footer); i < 80; i++)
footer[i] = '\0';
for (i = 0; i < 30; i++)
iarray[i] = i+1;
for (i = 0; i < 30; i++)
farray[i] = i+1;
#if defined(HAVE_MPI)
MPI_Initialized(&mpi_flag);
if (mpi_flag != 0) {
comm = MPI_COMM_WORLD;
}
f = cs_file_open("file_test_data",
CS_FILE_MODE_WRITE,
CS_FILE_STDIO_SERIAL,
MPI_INFO_NULL,
comm,
comm);
#else
f = cs_file_open("file_test_data",
CS_FILE_MODE_WRITE,
0);
#endif
cs_file_set_big_endian(f);
cs_file_write_global(f, header, 1, 80);
cs_file_write_global(f, iarray, sizeof(int), 30);
cs_file_write_global(f, farray, sizeof(double), 30);
cs_file_write_global(f, footer, 1, 80);
f = cs_file_free(f);
}
/*---------------------------------------------------------------------------*/
int
main (int argc, char *argv[])
{
char mem_trace_name[32];
char output_file_name[32];
char buf[80];
int ibuf[30];
double dbuf[30];
cs_gnum_t i;
int a_id, p_id;
int size = 1;
int rank = 0;
size_t retval = 0;
cs_gnum_t block_start, block_end;
cs_gnum_t block_start_2, block_end_2;
cs_file_off_t off1 = -1, off2 = -1;
cs_file_t *f = NULL;
#if defined(HAVE_MPI_IO)
const int n_pos = 2;
const int n_access = 5;
const cs_file_access_t access[5] = {CS_FILE_STDIO_SERIAL,
CS_FILE_STDIO_PARALLEL,
CS_FILE_MPI_INDEPENDENT,
CS_FILE_MPI_NON_COLLECTIVE,
CS_FILE_MPI_COLLECTIVE};
const cs_file_mpi_positionning_t pos[2] = {CS_FILE_MPI_EXPLICIT_OFFSETS,
CS_FILE_MPI_INDIVIDUAL_POINTERS};
#else
const int n_pos = 1;
const int n_access = 1;
const int access[1] = {CS_FILE_STDIO_SERIAL};
const cs_file_mpi_positionning_t pos[1] = {CS_FILE_MPI_EXPLICIT_OFFSETS};
#endif
#if defined(HAVE_MPI)
MPI_Status status;
int sync = 1;
/* Initialization */
MPI_Init(&argc, &argv);
cs_glob_mpi_comm = MPI_COMM_WORLD;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
block_start = rank * (30./size) + 1;
block_end = (rank + 1) * (30./size) + 1;
if (rank == size - 1)
block_end = 31;
block_start_2 = rank * (15./size) + 1;
block_end_2 = (rank + 1) * (15./size) + 1;
if (rank == size - 1)
block_end_2 = 16;
#else
block_start = 1;
block_end = 31;
block_start_2 = 1;
block_end_2 = 16;
#endif /* (HAVE_MPI) */
if (size > 1)
sprintf(mem_trace_name, "cs_file_test_mem.%d", rank);
else
strcpy(mem_trace_name, "cs_file_test_mem");
bft_mem_init(mem_trace_name);
_create_test_data();
/* Loop on tests */
for (a_id = 0; a_id < n_access; a_id++) {
for (p_id = 0; p_id < n_pos; p_id++) {
if (access[a_id] >= CS_FILE_MPI_INDEPENDENT) {
cs_file_set_mpi_io_positionning(pos[p_id]);
if (rank == 0)
bft_printf("Running test: %d-%d\n"
"-------------\n\n", a_id, p_id);
sprintf(output_file_name, "output_data_%d_%d", a_id+1, p_id+1);
}
else {
if (rank == 0)
bft_printf("Running test: %d\n"
"-------------\n\n", a_id);
sprintf(output_file_name, "output_data_%d", a_id+1);
}
/* Read and seek/set tests */
/*-------------------------*/
#if defined(HAVE_MPI)
f = cs_file_open("file_test_data",
CS_FILE_MODE_READ,
access[a_id],
MPI_INFO_NULL,
MPI_COMM_WORLD,
MPI_COMM_WORLD);
#else
f = cs_file_open("file_test_data",
CS_FILE_MODE_READ,
access[a_id]);
#endif /* (HAVE_MPI) */
cs_file_set_big_endian(f);
cs_file_dump(f);
retval = cs_file_read_global(f, buf, 1, 80);
bft_printf("rank %d, readbuf = %s (returned %d)\n\n",
rank, buf, (int)retval);
for (i = 0; i < 30; i++)
ibuf[i] = 0;
retval = cs_file_read_block(f, ibuf, sizeof(int), 1,
block_start, block_end);
#if defined(HAVE_MPI) /* Serialize dump */
if (rank > 0)
MPI_Recv(&sync, 1, MPI_INT, rank - 1, 9876, MPI_COMM_WORLD, &status);
#endif
bft_printf("\nRead by rank %d (returned %d):\n\n", rank, (int)retval);
for (i = block_start; i < block_end; i++)
bft_printf(" ival[%d] = %d\n", (int)i, (int)(ibuf[i-block_start]));
#if defined(HAVE_MPI)
if (rank < size - 1)
MPI_Send(&sync, 1, MPI_INT, rank + 1, 9876, MPI_COMM_WORLD);
#endif
off1 = cs_file_tell(f);
retval = cs_file_read_block(f, dbuf, sizeof(double), 2,
block_start_2, block_end_2);
off2 = cs_file_tell(f);
#if defined(HAVE_MPI) /* Serialize dump */
if (rank > 0)
MPI_Recv(&sync, 1, MPI_INT, rank - 1, 9876, MPI_COMM_WORLD, &status);
#endif
bft_printf("\nRead by rank %d (returned %d):\n\n", rank, (int)retval);
for (i = block_start_2; i < block_end_2; i++) {
bft_printf(" dval[%d] = %f\n", (int)(i*2 - 1),
(dbuf[(i-block_start_2)*2]));
bft_printf(" dval[%d] = %f\n", (int)(i*2),
(dbuf[(i-block_start_2)*2+1]));
}
#if defined(HAVE_MPI)
if (rank < size - 1)
MPI_Send(&sync, 1, MPI_INT, rank + 1, 9876, MPI_COMM_WORLD);
#endif
#if defined(HAVE_MPI)
MPI_Barrier(MPI_COMM_WORLD);
#endif
bft_printf("barrier passed by rank %d\n", rank);
bft_printf("\nOffsets saved by rank %d: %ld, %ld\n\n",
rank, (long)off1, (long)off2);
retval = cs_file_read_global(f, buf, 1, 80);
bft_printf("rank %d, buf = %s (returned %d)\n", rank, buf, (int)retval);
/* Test seek by re-reading at saved offset */
cs_file_seek(f, off1, CS_FILE_SEEK_SET);
memset(dbuf, 0, (block_end_2 - block_start_2)*sizeof(double));
retval = cs_file_read_block(f, dbuf, sizeof(double), 1,
block_start_2, block_end_2);
#if defined(HAVE_MPI) /* Serialize dump */
if (rank > 0)
MPI_Recv(&sync, 1, MPI_INT, rank - 1, 9876, MPI_COMM_WORLD, &status);
#endif
bft_printf("\nRe-read by rank %d (returned %d):\n\n", rank, (int)retval);
for (i = block_start; i < block_end; i++)
bft_printf(" dval[%d] = %f\n", (int)i, (dbuf[i-block_start]));
#if defined(HAVE_MPI)
if (rank < size - 1)
MPI_Send(&sync, 1, MPI_INT, rank + 1, 9876, MPI_COMM_WORLD);
#endif
cs_file_seek(f, off2, CS_FILE_SEEK_SET);
retval = cs_file_read_global(f, buf, 1, 80);
bft_printf("rank %d, re-read buf = %s (returned %d)\n",
rank, buf, (int)retval);
f = cs_file_free(f);
/* Write tests */
/*-------------*/
#if defined(HAVE_MPI)
f = cs_file_open(output_file_name,
CS_FILE_MODE_WRITE,
access[a_id],
MPI_INFO_NULL,
MPI_COMM_WORLD,
MPI_COMM_WORLD);
#else
f = cs_file_open(output_file_name,
CS_FILE_MODE_WRITE,
access[a_id]);
#endif /* (HAVE_MPI) */
cs_file_set_big_endian(f);
cs_file_dump(f);
sprintf(buf, "fvm test file");
for (i = strlen(buf); i < 80; i++)
buf[i] = '\0';
retval = cs_file_write_global(f, buf, 1, 80);
if (rank == 0)
bft_printf("rank %d, wrote %d global values.\n", rank, (int)retval);
for (i = block_start_2; i < block_end_2; i++) {
ibuf[(i-block_start_2)*2] = i*2 - 1;
ibuf[(i-block_start_2)*2 + 1] = i*2;
}
for (i = block_start; i < block_end; i++)
dbuf[i-block_start] = i;
retval = cs_file_write_block(f, ibuf, sizeof(int), 2,
block_start_2, block_end_2);
bft_printf("rank %d, wrote %d block values.\n", rank, (int)retval);
retval = cs_file_write_block_buffer(f, dbuf, sizeof(double), 1,
block_start, block_end);
bft_printf("rank %d, wrote %d block (buffer) values.\n",
rank, (int)retval);
sprintf(buf, "fvm test file end");
for (i = strlen(buf); i < 80; i++)
buf[i] = '\0';
retval = cs_file_write_global(f, buf, 1, 80);
if (rank == 0)
bft_printf("rank %d, wrote %d global values.\n", rank, (int)retval);
f = cs_file_free(f);
if (access[a_id] < CS_FILE_MPI_INDEPENDENT)
break;
}
}
/* We are finished */
bft_mem_end();
#if defined(HAVE_MPI)
MPI_Finalize();
#endif
exit (EXIT_SUCCESS);
}
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