Yet Another eXchange Tool  0.9.0
test_xmap_all2all_fail.c
/*
* Keywords:
* Maintainer: Jörg Behrens <behrens@dkrz.de>
* Moritz Hanke <hanke@dkrz.de>
* Thomas Jahns <jahns@dkrz.de>
* URL: https://doc.redmine.dkrz.de/yaxt/html/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the DKRZ GmbH nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <string.h>
#ifdef XT_NEED_MPI_ABORT_WORK_AROUND
# include <fcntl.h>
# include <sys/stat.h>
# include <sys/types.h>
#endif
#include <unistd.h>
#include <mpi.h>
#include <yaxt.h>
#define VERBOSE
#include "tests.h"
/* If we're not using GNU C, elide __attribute__ */
#ifndef __GNUC__
# define __attribute__(x) /*NOTHING*/
#endif
static enum {
SMALL,
BIG,
} index_list_size = SMALL;
static void
parse_options(int *argc, char ***argv);
static void
xfail_abort(MPI_Comm comm, const char *msg, const char *source, int line)
__attribute__((noreturn));
typedef void (*Xt_abort_func)(MPI_Comm comm, const char *msg,
const char *source, int line)
__attribute__((noreturn));
extern Xt_abort_func Xt_abort;
int main(int argc, char **argv) {
// init mpi
xt_mpi_call(MPI_Init(NULL, NULL), MPI_COMM_WORLD);
int my_rank;
MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
parse_options(&argc, &argv);
{
// source index list
struct Xt_stripe src_stripe;
src_stripe.nstrides = (index_list_size == SMALL)?7:1023;
src_stripe.start = (Xt_int)(1 + (Xt_int)my_rank * src_stripe.nstrides);
src_stripe.stride = 1;
Xt_idxlist src_idxlist = xt_idxstripes_new(&src_stripe, 1);
// destination index list
struct Xt_stripe dst_stripe;
dst_stripe.nstrides = src_stripe.nstrides;
dst_stripe.start = (Xt_int)(src_stripe.start + src_stripe.nstrides);
dst_stripe.stride = -1;
Xt_idxlist dst_idxlist = xt_idxstripes_new(&dst_stripe, 1);
// test of exchange map
// NOTE: this should fail
Xt_abort = xfail_abort;
Xt_xmap xmap
= xt_xmap_all2all_new(src_idxlist, dst_idxlist, MPI_COMM_WORLD);
/* this position should not be reached */
MPI_Abort(MPI_COMM_WORLD, 1);
// clean up
xt_idxlist_delete(src_idxlist);
xt_idxlist_delete(dst_idxlist);
}
xt_mpi_call(MPI_Finalize(), MPI_COMM_WORLD);
return TEST_EXIT_CODE;
}
static void
parse_options(int *argc, char ***argv)
{
int opt;
while ((opt = getopt(*argc, *argv, "s:")) != -1) {
switch (opt) {
case 's':
if (!strcmp(optarg, "small"))
index_list_size = SMALL;
else if (!strcmp(optarg, "big"))
index_list_size = BIG;
else
{
fprintf(stderr, "Unknown data size \"%s\"\n", optarg);
exit(EXIT_FAILURE);
}
}
}
}
static void
xfail_abort(MPI_Comm comm, const char *msg, const char *source, int line)
{
fprintf(stderr, "Fatal error in %s, line %d: %s\n", source, line, msg);
#ifdef XT_NEED_MPI_ABORT_WORK_AROUND
static const char exit_msg[] = "MPI_Abort(0xdeadbeef, 3)\n";
write(STDERR_FILENO, exit_msg, sizeof (exit_msg));
#endif
MPI_Abort(comm, 3);
abort();
}
/*
* Local Variables:
* c-basic-offset: 2
* coding: utf-8
* indent-tabs-mode: nil
* show-trailing-whitespace: t
* require-trailing-newline: t
* End:
*/
@ MPI_COMM_WORLD
Definition: core.h:73
int MPI_Comm
Definition: core.h:64
#define __attribute__(x)
Definition: core.h:82
int nstrides
Definition: xt_stripe.h:57
void xt_initialize(MPI_Comm default_comm)
Definition: xt_init.c:70
void xt_finalize(void)
Definition: xt_init.c:89
XT_INT Xt_int
Definition: xt_core.h:68
void xt_idxlist_delete(Xt_idxlist idxlist)
Definition: xt_idxlist.c:74
Xt_idxlist xt_idxstripes_new(struct Xt_stripe const *stripes, int num_stripes)
#define xt_mpi_call(call, comm)
Definition: xt_mpi.h:68
void xt_xmap_delete(Xt_xmap xmap)
Definition: xt_xmap.c:85
Xt_xmap xt_xmap_all2all_new(Xt_idxlist src_idxlist, Xt_idxlist dst_idxlist, MPI_Comm comm)