Beispiel #1
0
int main(int argc, char *argv[])
{
    MPI_Info i1, i2;
    int errs = 0;
    char value[64];
    int flag;

    MTest_Init(&argc, &argv);

    MPI_Info_create(&i1);
    MPI_Info_create(&i2);

    MPI_Info_set(i1, (char *) "key1", (char *) "value1");
    MPI_Info_set(i2, (char *) "key2", (char *) "value2");

    MPI_Info_get(i1, (char *) "key2", 64, value, &flag);
    if (flag) {
        printf("Found key2 in info1\n");
        errs++;
    }
    MPI_Info_get(i1, (char *) "key1", 64, value, &flag);
    if (!flag) {
        errs++;
        printf("Did not find key1 in info1\n");
    } else if (strcmp(value, "value1")) {
        errs++;
        printf("Found wrong value (%s), expected value1\n", value);
    }

    MPI_Info_free(&i1);
    MPI_Info_free(&i2);
    MTest_Finalize(errs);
    return MTestReturnValue(errs);
}
int main(int argc, char *argv[]) {
   int thread_support;
   char root_path[MPI_PMEM_MAX_ROOT_PATH];
   MPI_Info info;
   MPI_Win_pmem win;
   char *window_name = "test_window";
   char *win_data;
   MPI_Aint win_size = 1024;
   int error_code;
   int result = 0;

   MPI_Init_thread_pmem(&argc, &argv, MPI_THREAD_MULTIPLE, &thread_support);
   sprintf(root_path, "%s/0", argv[1]);
   MPI_Win_pmem_set_root_path(root_path);

   // Allocate window.
   MPI_Info_create(&info);
   MPI_Info_set(info, "pmem_is_pmem", "true");
   MPI_Info_set(info, "pmem_name", window_name);
   MPI_Info_set(info, "pmem_mode", "checkpoint");
   MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
   error_code = MPI_Win_allocate_pmem(win_size, 1, info, MPI_COMM_WORLD, &win_data, &win);
   MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
   MPI_Info_free(&info);

   if (error_code != MPI_ERR_PMEM_NAME) {
      mpi_log_error("Error code is %d, expected %d.", error_code, MPI_ERR_PMEM_NAME);
      result = 1;
   }

   MPI_Finalize_pmem();

   return result;
}
Beispiel #3
0
int main(int argc, char* argv[])
{
    MPI_Init(&argc,&argv);

    MPI_Aint bytes = (argc>1) ? atol(argv[1]) : 128*1024*1024;
    printf("bytes = %zu\n", bytes);

    MPI_Comm comm_shared = MPI_COMM_NULL;
    MPI_Comm_split_type(MPI_COMM_WORLD, MPI_COMM_TYPE_SHARED, 0 /* key */, MPI_INFO_NULL, &comm_shared);

    MPI_Info info_win = MPI_INFO_NULL;
    MPI_Info_create(&info_win);
    MPI_Info_set(info_win, "alloc_shared_noncontig", "true");

    MPI_Win win_shared = MPI_WIN_NULL;
    void * base_ptr = NULL;
    int rc = MPI_Win_allocate_shared(bytes, 1 /* disp_unit */, info_win, comm_shared, &base_ptr, &win_shared);

    memset(base_ptr,255,bytes);

    MPI_Info_free(&info_win);

    MPI_Comm_free(&comm_shared);
    MPI_Finalize();
    return 0;
}
Beispiel #4
0
static void
serverWinCreate(void)
{
  int ranks[1], modelID;
  MPI_Comm commCalc = commInqCommCalc ();
  MPI_Group groupCalc;
  int nProcsModel = commInqNProcsModel ();
  MPI_Info no_locks_info;
  xmpi(MPI_Info_create(&no_locks_info));
  xmpi(MPI_Info_set(no_locks_info, "no_locks", "true"));

  xmpi(MPI_Win_create(MPI_BOTTOM, 0, 1, no_locks_info, commCalc, &getWin));

  /* target group */
  ranks[0] = nProcsModel;
  xmpi ( MPI_Comm_group ( commCalc, &groupCalc ));
  xmpi ( MPI_Group_excl ( groupCalc, 1, ranks, &groupModel ));

  rxWin = xcalloc((size_t)nProcsModel, sizeof (rxWin[0]));
  size_t totalBufferSize = collDefBufferSizes();
  rxWin[0].buffer = (unsigned char*) xmalloc(totalBufferSize);
  size_t ofs = 0;
  for ( modelID = 1; modelID < nProcsModel; modelID++ )
    {
      ofs += rxWin[modelID - 1].size;
      rxWin[modelID].buffer = rxWin[0].buffer + ofs;
    }

  xmpi(MPI_Info_free(&no_locks_info));

  xdebug("%s", "created mpi_win, allocated getBuffer");
}
Beispiel #5
0
void *mpp_alloc (size_t len)
{
    MPI_Info info;
    void *buf = NULL;

#if HAVE_MPI_ALLOC_MEM    
    if (use_mpi_alloc) {
	MPI_Info_create (&info);
#if 0
	MPI_Info_set (info, "alignment", "4096");
	MPI_Info_set (info, "type", "private");
#endif
	MPI_Alloc_mem (len, info, &buf);
	MPI_Info_free (&info);
   } else 
#endif	
	buf = malloc(len);

    if (buf == NULL) {
	fprintf (stderr, "Could not allocate %d byte buffer\n", len);
	MPI_Abort (MPI_COMM_WORLD, -1);
    }
    
    return buf;
}
Beispiel #6
0
void mpi_info_free_(MPI_Fint *info, int *ierr )
{
    MPI_Info info_c;

    info_c = MPI_Info_f2c(*info);
    *ierr = MPI_Info_free(&info_c);
    *info = MPI_Info_c2f(info_c);
}
Beispiel #7
0
int main(int argc, char **argv)
{
    int rank;
    MPI_Info info_in, info_out;
    int errors = 0, all_errors = 0;
    MPI_Comm comm;
    char __attribute__((unused)) invalid_key[] = "invalid_test_key";
    char buf[MPI_MAX_INFO_VAL];
    int flag;

    MPI_Init(&argc, &argv);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

    MPI_Info_create(&info_in);
    MPI_Info_set(info_in, invalid_key, (char *) "true");

    MPI_Comm_dup(MPI_COMM_WORLD, &comm);

    MPI_Comm_set_info(comm, info_in);
    MPI_Comm_get_info(comm, &info_out);

    MPI_Info_get(info_out, invalid_key, MPI_MAX_INFO_VAL, buf, &flag);
#ifndef USE_STRICT_MPI
    /* Check if our invalid key was ignored.  Note, this check's MPICH's
     * behavior, but this behavior may not be required for a standard
     * conforming MPI implementation. */
    if (flag) {
        printf("%d: %s was not ignored\n", rank, invalid_key);
        errors++;
    }
#endif

    MPI_Info_free(&info_in);
    MPI_Info_free(&info_out);
    MPI_Comm_free(&comm);

    MPI_Reduce(&errors, &all_errors, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);

    if (rank == 0 && all_errors == 0)
        printf(" No Errors\n");

    MPI_Finalize();

    return 0;
}
int main(int argc, char ** argv) 
{
    MPI_Info info = MPI_INFO_NULL;
    MPI_File fh;
    MPI_Offset off=0;
    MPI_Status status;
    int errcode;
    int i, rank, errs=0, toterrs, buffer[BUFSIZE], buf2[BUFSIZE];

    MPI_Init(&argc, &argv);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

    MPI_Info_create(&info);
    MPI_Info_set(info, "romio_cb_write", "enable");
    MPI_Info_set(info, "cb_nodes", "1");

    for (i=0; i<BUFSIZE; i++) {
        buffer[i] = 10000+rank;
    }
    off = rank*sizeof(buffer);

    errcode = MPI_File_open(MPI_COMM_WORLD, argv[1], 
		MPI_MODE_WRONLY|MPI_MODE_CREATE, info, &fh);
    if (errcode != MPI_SUCCESS) handle_error(errcode, "MPI_File_open");
    errcode = MPI_File_write_at_all(fh, off, buffer, BUFSIZE, 
		MPI_INT,  &status);
    if (errcode != MPI_SUCCESS) handle_error(errcode, "MPI_File_write_at_all");
    errcode = MPI_File_close(&fh);
    if (errcode != MPI_SUCCESS) handle_error(errcode, "MPI_File_close");

    errcode = MPI_File_open(MPI_COMM_WORLD, argv[1], 
		MPI_MODE_RDONLY, info, &fh);
    if (errcode != MPI_SUCCESS) handle_error(errcode, "MPI_File_open");
    errcode = MPI_File_read_at_all(fh, off, buf2, BUFSIZE, 
		MPI_INT,  &status);
    if (errcode != MPI_SUCCESS) handle_error(errcode, "MPI_File_read_at_all");
    errcode = MPI_File_close(&fh);
    if (errcode != MPI_SUCCESS) handle_error(errcode, "MPI_File_close");

    for (i=0; i<BUFSIZE; i++) {
        if (buf2[i] != 10000+rank)
	    errs++;
    }
    MPI_Allreduce( &errs, &toterrs, 1, MPI_INT, MPI_SUM, MPI_COMM_WORLD );
    if (rank == 0) {
	if( toterrs > 0) {
	    fprintf( stderr, "Found %d errors\n", toterrs );
	}
	else {
	    fprintf( stdout, " No Errors\n" );
	}
    }
    MPI_Info_free(&info);
    MPI_Finalize();

    return 0;
}
Beispiel #9
0
static void dump_mpi_file_info( MPI_File f, const char * prefix = NULL ) {
  MPI_Info info;

  MPI_CHECK( MPI_File_get_info( f, &info ) );

  dump_mpi_info( info, prefix );

  MPI_CHECK( MPI_Info_free( &info ) );
}
int 
main( int argc, char *argv[] ) {
	int nproc = 1, rank = 0;
    char *target = NULL;
    int c;
    MPI_Info info;
    int mpi_ret;
    int corrupt_blocks = 0;

    MPI_Init( &argc, &argv );
    MPI_Comm_size(MPI_COMM_WORLD, &nproc);
    MPI_Comm_rank(MPI_COMM_WORLD, &rank);

    if( (mpi_ret = MPI_Info_create(&info)) != MPI_SUCCESS) {
        if(rank == 0) fatal_error( mpi_ret, NULL, "MPI_info_create.\n");
    }

    prog = strdup( argv[0] );

    while( ( c = getopt( argc, argv, "df:h" ) ) != EOF ) {
        switch( c ) {
            case 'd':
                debug = 1;
                break;
            case 'f':
                target = strdup( optarg );
                break;
            case 'h':
                set_hints( &info );
                break;
            default:
                Usage( __LINE__ );
        }
    }
    if ( ! target ) {
        Usage( __LINE__ );
    }

    write_file( target, rank, &info );
    read_file(  target, rank, &info, &corrupt_blocks );

    corrupt_blocks = reduce_corruptions( corrupt_blocks );
    if ( rank == 0 ) {
	if (corrupt_blocks == 0) {
	    fprintf(stdout, " No Errors\n");
	} else {
            fprintf(stdout, "%d/%d blocks corrupt\n",
                corrupt_blocks, nproc * NUM_OBJS );
	}
    }
    MPI_Info_free(&info);

    MPI_Finalize();
    free(prog);
    exit( 0 );
}
Beispiel #11
0
static void win_info_set(MPI_Win win, const char *key, const char *set_val)
{
    MPI_Info info_in = MPI_INFO_NULL;

    MPI_Info_create(&info_in);
    MPI_Info_set(info_in, key, set_val);

    MPI_Win_set_info(win, info_in);
    MPI_Info_free(&info_in);
}
Beispiel #12
0
void ADIO_End(int *error_code)
{
    ADIOI_Flatlist_node *curr, *next;
    ADIOI_Datarep *datarep, *datarep_next;
    
/*    FPRINTF(stderr, "reached end\n"); */

    /* if a default errhandler was set on MPI_FILE_NULL then we need to ensure
     * that our reference to that errhandler is released */
/* Open MPI: The call to PMPI_File_set_errhandler has to be done in romio/src/io_romio_file_open.c
   in routine mca_io_romio_file_close()
*/
#if 0
    PMPI_File_set_errhandler(MPI_FILE_NULL, MPI_ERRORS_RETURN);
#endif

/* delete the flattened datatype list */
    curr = ADIOI_Flatlist;
    while (curr) {
	if (curr->blocklens) ADIOI_Free(curr->blocklens);
	if (curr->indices) ADIOI_Free(curr->indices);
	next = curr->next;
	ADIOI_Free(curr);
	curr = next;
    }
    ADIOI_Flatlist = NULL;

/* free file and info tables used for Fortran interface */
    if (ADIOI_Ftable) ADIOI_Free(ADIOI_Ftable);
#ifndef HAVE_MPI_INFO
    if (MPIR_Infotable) ADIOI_Free(MPIR_Infotable);
#endif


/* free the memory allocated for a new data representation, if any */
    datarep = ADIOI_Datarep_head;
    while (datarep) {
        datarep_next = datarep->next;
        ADIOI_Free(datarep->name);
        ADIOI_Free(datarep);
        datarep = datarep_next;
    }

    if( ADIOI_syshints != MPI_INFO_NULL)
	    MPI_Info_free(&ADIOI_syshints);

    MPI_Op_free(&ADIO_same_amode);

    *error_code = MPI_SUCCESS;
}
Beispiel #13
0
void IMB_print_info()
    /*


       Prints MPI_Info selections (MPI-2 only)



*/
{
    int nkeys,ikey,vlen,exists;
    MPI_Info tmp_info;
    char key[MPI_MAX_INFO_KEY], *value;

    IMB_user_set_info(&tmp_info);

    /* July 2002 fix V2.2.1: handle NULL case */
    if( tmp_info!=MPI_INFO_NULL ) 
    {
        /* end change */

        MPI_Info_get_nkeys(tmp_info, &nkeys);

        if( nkeys > 0) fprintf(unit,"# Got %d Info-keys:\n\n",nkeys);

        for( ikey=0; ikey<nkeys; ikey++ )
        {
            MPI_Info_get_nthkey(tmp_info, ikey, key);

            MPI_Info_get_valuelen(tmp_info, key, &vlen, &exists);

            value = (char*)IMB_v_alloc((vlen+1)* sizeof(char), "Print_Info");

            MPI_Info_get(tmp_info, key, vlen, value, &exists);
            printf("# %s = \"%s\"\n",key,value);

            IMB_v_free ((void**)&value);
        }

        MPI_Info_free(&tmp_info);

        /* July 2002 fix V2.2.1: end if */
    }
    /* end change */

}
Beispiel #14
0
/*----< ncmpio_free_NC() >----------------------------------------------------*/
void
ncmpio_free_NC(NC *ncp)
{
    if (ncp == NULL) return;

    ncmpio_free_NC_dimarray(&ncp->dims);
    ncmpio_free_NC_attrarray(&ncp->attrs);
    ncmpio_free_NC_vararray(&ncp->vars);

    if (ncp->mpiinfo != MPI_INFO_NULL) MPI_Info_free(&ncp->mpiinfo);

    if (ncp->get_list != NULL) NCI_Free(ncp->get_list);
    if (ncp->put_list != NULL) NCI_Free(ncp->put_list);
    if (ncp->abuf     != NULL) NCI_Free(ncp->abuf);
    if (ncp->path     != NULL) NCI_Free(ncp->path);

    NCI_Free(ncp);
}
int main(int argc, char * argv[])
{
    MPI_Init(&argc, &argv);

    int wrank, wsize;
    MPI_Comm_rank(MPI_COMM_WORLD, &wrank);
    MPI_Comm_size(MPI_COMM_WORLD, &wsize);

    int nrank, nsize;
    MPI_Comm MPI_COMM_NODE;
    MPI_Comm_split_type(MPI_COMM_WORLD, MPI_COMM_TYPE_SHARED, 0 /* key */, MPI_INFO_NULL, &MPI_COMM_NODE);
    MPI_Comm_rank(MPI_COMM_NODE, &nrank);
    MPI_Comm_size(MPI_COMM_NODE, &nsize);

    int *   shptr = NULL;
    MPI_Win shwin;
    MPI_Info win_info;
    MPI_Info_create(&win_info);
    MPI_Info_set(win_info, "alloc_shared_noncontig", "true");
    MPI_Win_allocate_shared(sizeof(int), sizeof(int), win_info, MPI_COMM_NODE, &shptr, &shwin);
    MPI_Info_free(&win_info);

    MPI_Win_lock_all(0 /* assertion */, shwin);

    MPI_Win_sync(shwin);
    MPI_Barrier(MPI_COMM_NODE);

    MPI_Aint rsize[nsize];
    int rdisp[nsize];
    int * rptr[nsize];
    for (int i=0; i<nsize; i++) {
        MPI_Win_shared_query(shwin, i, &(rsize[i]), &(rdisp[i]), &(rptr[i]));
        printf("rank=%d target=%d rptr=%p rsize=%zu rdisp=%d \n", nrank, i, rptr[i], (size_t)rsize[i], rdisp[i]);
    }

    MPI_Win_unlock_all(shwin);

    MPI_Win_free(&shwin);

    MPI_Comm_free(&MPI_COMM_NODE);
    MPI_Finalize();

    return 0;
}
Beispiel #16
0
int launch_turbine(MPI_Comm comm, char* cmd, int argc, char** argv) {
  int status = 0;
  char** argvc = (char**)malloc((argc+1)*sizeof(char*));
  int i;
  for(i=0; i<argc; i++) {
    argvc[i] = argv[i];
  }
  argvc[argc] = NULL;
  MPI_Info info;
  MPI_Info_create(&info);
  MPI_Info_set(info,"launcher","turbine");
  MPIX_Comm_launch(cmd, argvc, info, 0, comm, &status);
  MPI_Info_free(&info);
  free(argvc);
  if(comm != MPI_COMM_SELF) {
    MPI_Comm_free(&comm);
  }
  return status;
}
Beispiel #17
0
void oshmpi_allock(MPI_Comm comm)
{
  MPI_Info lock_info=MPI_INFO_NULL;
  MPI_Info_create(&lock_info);

  /* We define the sheap size to be symmetric and assume it for the global static data. */
  MPI_Info_set(lock_info, "same_size", "true");

  MPI_Win_allocate (4 * sizeof (int), sizeof (int), lock_info,
		    comm, &oshmpi_lock_base, &oshmpi_lock_win);
  oshmpi_lock_base[NEXT_DISP] = -1;
  oshmpi_lock_base[PREV_DISP] = -1;
  oshmpi_lock_base[TAIL_DISP] = -1;
  oshmpi_lock_base[LOCK_DISP] = -1;
  MPI_Win_lock_all (TAIL, oshmpi_lock_win);

  MPI_Info_free(&lock_info);

  return;
}
Beispiel #18
0
void f_numagg(hid_t *file_id, int *num)
{
#ifndef USE_HDF5
  *num = 0;
#else

  int             ierr;
  MPI_File       *pFH = NULL;
  MPI_Info        infoF = MPI_INFO_NULL;
  T3PIO_results_t results;

  ierr = MPI_Info_create(&infoF);
  ierr = H5Fget_vfd_handle(*file_id, H5P_DEFAULT, (void **) &pFH);
  ierr = MPI_File_get_info(*pFH, &infoF);
  t3pio_extract_key_values(infoF, &results);
  *num = results.numIO;

  ierr = MPI_Info_free(&infoF);
#endif
}
int main(int argc, char *argv[]) {
   int thread_support;
   MPI_Info info;
   int parsed;
   int result = 0;

   MPI_Init_thread_pmem(&argc, &argv, MPI_THREAD_MULTIPLE, &thread_support);

   MPI_Info_create(&info);
   parse_mpi_info_checkpoint_version(MPI_COMM_WORLD, info, &parsed);
   MPI_Info_free(&info);

   if (parsed != -1) {
      mpi_log_error("Checkpoint version is %d, expected -1.", parsed);
      result = 1;
   }

   MPI_Finalize_pmem();

   return result;
}
int main(int argc, char *argv[]) {
   int thread_support;
   char root_path[MPI_PMEM_MAX_ROOT_PATH];
   MPI_Info info;
   MPI_Win_pmem win, expected_win;
   char win_data[1024];
   MPI_Aint win_size = 1024;
   int result = 0;

   MPI_Init_thread_pmem(&argc, &argv, MPI_THREAD_MULTIPLE, &thread_support);
   sprintf(root_path, "%s/0", argv[1]);
   MPI_Win_pmem_set_root_path(root_path);

   MPI_Info_create(&info);
   MPI_Info_set(info, "pmem_is_pmem", "true");
   MPI_Win_create_pmem(win_data, win_size, 1, info, MPI_COMM_WORLD, &win);

   MPI_Info_set(info, "pmem_is_pmem", "false");
   MPI_Info_set(info, "pmem_dont_use_transactions", "true");
   MPI_Info_set(info, "pmem_keep_all_checkpoints", "true");
   MPI_Info_set(info, "pmem_volatile", "true");
   MPI_Info_set(info, "pmem_name", "test_window");
   MPI_Info_set(info, "pmem_mode", "checkpoint");
   MPI_Info_set(info, "pmem_checkpoint_version", "-1");
   MPI_Info_set(info, "pmem_append_checkpoints", "true");
   MPI_Info_set(info, "pmem_global_checkpoint", "true");
   MPI_Win_set_info_pmem(win, info);
   MPI_Info_free(&info);

   set_default_window_metadata(&expected_win, MPI_COMM_WORLD);
   expected_win.is_pmem = true;
   result |= check_window_object(win, expected_win, false, true);
   result |= check_memory_areas_list_element(win.modifiable_values->memory_areas, win_data, win_size, true, false);
   free(expected_win.modifiable_values);

   MPI_Win_free_pmem(&win);
   MPI_Finalize_pmem();

   return result;
}
Beispiel #21
0
int launch_envs(MPI_Comm comm, char* cmd,
                int argc, char** argv,
                int envc, char** envs) {
  int status = 0;
  char** argvc = (char**)malloc((argc+1)*sizeof(char*));
  int i;
  for(i=0; i<argc; i++) {
    argvc[i] = argv[i];
  }
  argvc[argc] = NULL;

  MPI_Info info = envs2info(envc, envs);
  MPIX_Comm_launch(cmd, argvc, info, 0, comm, &status);
  if (info != MPI_INFO_NULL) {
    MPI_Info_free(&info);
  }
  free(argvc);
  if(comm != MPI_COMM_SELF) {
    MPI_Comm_free(&comm);
  }
  return status;
}
Beispiel #22
0
long * allocate_memory (int me, MPI_Win * win)
{
	long * msg_buffer; 
	long * win_base ; /* base */
	
	MPI_Info info;
	MPI_Info_create(&info);
	MPI_Info_set(info, "same_size", "true");
	
	MPI_Alloc_mem((MAX_MSG_SZ * ITERS_LARGE) * sizeof(long), MPI_INFO_NULL, &msg_buffer);
	MPI_Win_allocate((MAX_MSG_SZ * ITERS_LARGE) * sizeof(long), sizeof(long), info, MPI_COMM_WORLD, &win_base, win);
	MPI_Win_lock_all (MPI_MODE_NOCHECK, *win);

        MPI_Info_free(&info);

	if (NULL == msg_buffer && MPI_BOTTOM == win_base) {
		fprintf(stderr, "Failed to allocate window (pe: %d)\n", me);
		exit(EXIT_FAILURE);
	}

	return msg_buffer;
}
Beispiel #23
0
static int check_win_info_get(MPI_Win win, const char *key, const char *exp_val)
{
    int flag = 0;
    MPI_Info info_out = MPI_INFO_NULL;
    char buf[MPI_MAX_INFO_VAL];
    int errors = 0;

    MPI_Win_get_info(win, &info_out);
    MPI_Info_get(info_out, key, MPI_MAX_INFO_VAL, buf, &flag);
    if (!flag || strncmp(buf, exp_val, strlen(exp_val)) != 0) {
        if (flag)
            printf("%d: %s: expected \"%s\" but got %s\n", rank, key, exp_val, buf);
        else
            printf("%d: %s not defined\n", rank, key);
        errors++;
    }
    else if (flag && VERBOSE)
        printf("%d: %s = %s\n", rank, key, buf);

    MPI_Info_free(&info_out);

    return errors;
}
int main(int argc, char *argv[]) {
   int thread_support;
   MPI_Info info;
   char parsed[MPI_PMEM_MAX_NAME];
   int error_code;
   int result = 0;

   MPI_Init_thread_pmem(&argc, &argv, MPI_THREAD_MULTIPLE, &thread_support);

   MPI_Info_create(&info);
   MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
   error_code = parse_mpi_info_name(MPI_COMM_WORLD, info, parsed);
   MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
   MPI_Info_free(&info);

   if (error_code != MPI_ERR_PMEM_NAME) {
      mpi_log_error("Error code is %d, expected %d.", error_code, MPI_ERR_PMEM_NAME);
      result = 1;
   }

   MPI_Finalize_pmem();

   return result;
}
Beispiel #25
0
void exodus_file_close(exodus_file_t* file)
{
  if (file->writing)
  {
    // Write a QA record.
    char* qa_record[1][4];
    qa_record[0][0] = string_dup(polymec_executable_name());
    qa_record[0][1] = string_dup(polymec_executable_name());
    time_t invocation_time = polymec_invocation_time();
    struct tm* time_data = localtime(&invocation_time);
    char date[20], instant[20];
    snprintf(date, 19, "%02d/%02d/%02d", time_data->tm_mon, time_data->tm_mday, 
             time_data->tm_year % 100);
    qa_record[0][2] = string_dup(date);
    snprintf(instant, 19, "%02d:%02d:%02d", time_data->tm_hour, time_data->tm_min, 
             time_data->tm_sec % 60);
    qa_record[0][3] = string_dup(instant);
    ex_put_qa(file->ex_id, 1, qa_record);
    for (int i = 0; i < 4; ++i)
      string_free(qa_record[0][i]);
  }

  // Clean up.
  if (file->elem_block_ids != NULL)
    polymec_free(file->elem_block_ids);
  if (file->face_block_ids != NULL)
    polymec_free(file->face_block_ids);
  if (file->edge_block_ids != NULL)
    polymec_free(file->edge_block_ids);
  free_all_variable_names(file);
#if POLYMEC_HAVE_MPI
  MPI_Info_free(&file->mpi_info);
#endif

  ex_close(file->ex_id);
}
static void
print_hints( int rank, MPI_File *mfh ) {
    MPI_Info info;
    int nkeys;
    int i, dummy_int;
    char key[1024];
    char value[1024];

    MPI_Barrier( MPI_COMM_WORLD );
    if ( rank == 0 ) {
        MPI_File_get_info( *mfh, &info );
        MPI_Info_get_nkeys( info, &nkeys );

        printf( "HINTS:\n" );
        for( i = 0; i < nkeys; i++ ) {
            MPI_Info_get_nthkey( info, i, key );
            printf( "%35s -> ", key );
            MPI_Info_get( info, key, 1024, value, &dummy_int ); 
            printf( "%s\n", value );
        }
	MPI_Info_free(&info);
    }
    MPI_Barrier( MPI_COMM_WORLD );
}
Beispiel #27
0
int main(int argc, char *argv[])
{
    int error;
    int rank, size;
    char *argv1[2] = { (char*)"connector", NULL };
    char *argv2[2] = { (char*)"acceptor", NULL };
    MPI_Comm comm_connector, comm_acceptor, comm_parent, comm;
    char port[MPI_MAX_PORT_NAME];
    MPI_Status status;
    MPI_Info spawn_path = MPI_INFO_NULL;
    int verbose = 0;

    if (getenv("MPITEST_VERBOSE"))
    {
	verbose = 1;
    }

    IF_VERBOSE(("init.\n"));
    error = MPI_Init(&argc, &argv);
    check_error(error, "MPI_Init");

    /* To improve reporting of problems about operations, we
       change the error handler to errors return */
    MPI_Comm_set_errhandler( MPI_COMM_WORLD, MPI_ERRORS_RETURN );
    MPI_Comm_set_errhandler( MPI_COMM_SELF, MPI_ERRORS_RETURN );

    IF_VERBOSE(("size.\n"));
    error = MPI_Comm_size(MPI_COMM_WORLD, &size);
    check_error(error, "MPI_Comm_size");

    IF_VERBOSE(("rank.\n"));
    error = MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    check_error(error, "MPI_Comm_rank");

    if (argc == 1)
    {
	/* Make sure that the current directory is in the path.
	   Not all implementations may honor or understand this, but
	   it is highly recommended as it gives users a clean way
	   to specify the location of the executable without
	   specifying a particular directory format (e.g., this 
	   should work with both Windows and Unix implementations) */
	error = MPI_Info_create( &spawn_path );
	check_error( error, "MPI_Info_create" );
	error = MPI_Info_set( spawn_path, (char*)"path", (char*)"." );
	check_error( error, "MPI_Info_set" );

	IF_VERBOSE(("spawn connector.\n"));
	error = MPI_Comm_spawn((char*)"spaconacc", argv1, 1, spawn_path, 0, 
			       MPI_COMM_SELF, &comm_connector, 
			       MPI_ERRCODES_IGNORE);
	check_error(error, "MPI_Comm_spawn");

	IF_VERBOSE(("spawn acceptor.\n"));
	error = MPI_Comm_spawn((char*)"spaconacc", argv2, 1, spawn_path, 0, 
			       MPI_COMM_SELF, &comm_acceptor, 
			       MPI_ERRCODES_IGNORE);
	check_error(error, "MPI_Comm_spawn");
	error = MPI_Info_free( &spawn_path );
	check_error( error, "MPI_Info_free" );

	MPI_Comm_set_errhandler( comm_connector, MPI_ERRORS_RETURN );
	MPI_Comm_set_errhandler( comm_acceptor, MPI_ERRORS_RETURN );

	IF_VERBOSE(("recv port.\n"));
	error = MPI_Recv(port, MPI_MAX_PORT_NAME, MPI_CHAR, 0, 0, 
			 comm_acceptor, &status);
	check_error(error, "MPI_Recv");

	IF_VERBOSE(("send port.\n"));
	error = MPI_Send(port, MPI_MAX_PORT_NAME, MPI_CHAR, 0, 0, 
			 comm_connector);
	check_error(error, "MPI_Send");

	IF_VERBOSE(("barrier acceptor.\n"));
	error = MPI_Barrier(comm_acceptor);
	check_error(error, "MPI_Barrier");

	IF_VERBOSE(("barrier connector.\n"));
	error = MPI_Barrier(comm_connector);
	check_error(error, "MPI_Barrier");

        error = MPI_Comm_free(&comm_acceptor);
	check_error(error, "MPI_Comm_free");
        error = MPI_Comm_free(&comm_connector);
	check_error(error, "MPI_Comm_free");

	printf(" No Errors\n");
    }
    else if ((argc == 2) && (strcmp(argv[1], "acceptor") == 0))
    {
	IF_VERBOSE(("get_parent.\n"));
	error = MPI_Comm_get_parent(&comm_parent);
	check_error(error, "MPI_Comm_get_parent");
	if (comm_parent == MPI_COMM_NULL)
	{
	    printf("acceptor's parent is NULL.\n");fflush(stdout);
	    MPI_Abort(MPI_COMM_WORLD, -1);
	}
	IF_VERBOSE(("open_port.\n"));
	error = MPI_Open_port(MPI_INFO_NULL, port);
	check_error(error, "MPI_Open_port");

	MPI_Comm_set_errhandler( comm_parent, MPI_ERRORS_RETURN );

	IF_VERBOSE(("0: opened port: <%s>\n", port));
	IF_VERBOSE(("send.\n"));
	error = MPI_Send(port, MPI_MAX_PORT_NAME, MPI_CHAR, 0, 0, comm_parent);
	check_error(error, "MPI_Send");

	IF_VERBOSE(("accept.\n"));
	error = MPI_Comm_accept(port, MPI_INFO_NULL, 0, MPI_COMM_SELF, &comm);
	check_error(error, "MPI_Comm_accept");

	IF_VERBOSE(("close_port.\n"));
	error = MPI_Close_port(port);
	check_error(error, "MPI_Close_port");

	IF_VERBOSE(("disconnect.\n"));
	error = MPI_Comm_disconnect(&comm);
	check_error(error, "MPI_Comm_disconnect");

	IF_VERBOSE(("barrier.\n"));
	error = MPI_Barrier(comm_parent);
	check_error(error, "MPI_Barrier");

	MPI_Comm_free( &comm_parent );
    }
    else if ((argc == 2) && (strcmp(argv[1], "connector") == 0))
    {
	IF_VERBOSE(("get_parent.\n"));
	error = MPI_Comm_get_parent(&comm_parent);
	check_error(error, "MPI_Comm_get_parent");
	if (comm_parent == MPI_COMM_NULL)
	{
	    printf("acceptor's parent is NULL.\n");fflush(stdout);
	    MPI_Abort(MPI_COMM_WORLD, -1);
	}

	MPI_Comm_set_errhandler( comm_parent, MPI_ERRORS_RETURN );
	IF_VERBOSE(("recv.\n"));
	error = MPI_Recv(port, MPI_MAX_PORT_NAME, MPI_CHAR, 0, 0, 
			 comm_parent, &status);
	check_error(error, "MPI_Recv");

	IF_VERBOSE(("1: received port: <%s>\n", port));
	IF_VERBOSE(("connect.\n"));
	error = MPI_Comm_connect(port, MPI_INFO_NULL, 0, MPI_COMM_SELF, &comm);
	check_error(error, "MPI_Comm_connect");

	MPI_Comm_set_errhandler( comm, MPI_ERRORS_RETURN );
	IF_VERBOSE(("disconnect.\n"));
	error = MPI_Comm_disconnect(&comm);
	check_error(error, "MPI_Comm_disconnect");

	IF_VERBOSE(("barrier.\n"));
	error = MPI_Barrier(comm_parent);
	check_error(error, "MPI_Barrier");

	MPI_Comm_free( &comm_parent );
    }
    else
    {
	printf("invalid command line.\n");fflush(stdout);
	{
	    int i;
	    for (i=0; i<argc; i++)
	    {
		printf("argv[%d] = <%s>\n", i, argv[i]);
	    }
	}
	fflush(stdout);
	MPI_Abort(MPI_COMM_WORLD, -2);
    }

    MPI_Finalize();
    return 0;
}
/*-------------------------------------------------------------------------
 * Function:    test_fapl_mpio_dup
 *
 * Purpose:     Test if fapl_mpio property list keeps a duplicate of the
 * 		communicator and INFO objects given when set; and returns
 * 		duplicates of its components when H5Pget_fapl_mpio is called.
 *
 * Return:      Success:        None
 *
 *              Failure:        Abort
 *
 * Programmer:  Albert Cheng
 *              January 9, 2003
 *
 * Modifications:
 *-------------------------------------------------------------------------
 */
void
test_fapl_mpio_dup(void)
{
    int mpi_size, mpi_rank;
    MPI_Comm comm, comm_tmp;
    int mpi_size_old, mpi_rank_old;
    int mpi_size_tmp, mpi_rank_tmp;
    MPI_Info info = MPI_INFO_NULL;
    MPI_Info info_tmp = MPI_INFO_NULL;
    int mrc;			/* MPI return value */
    hid_t acc_pl;		/* File access properties */
    herr_t ret;			/* hdf5 return value */
    int nkeys, nkeys_tmp;

    if (VERBOSE_MED)
	printf("Verify fapl_mpio duplicates communicator and INFO objects\n");

    /* set up MPI parameters */
    MPI_Comm_size(MPI_COMM_WORLD,&mpi_size);
    MPI_Comm_rank(MPI_COMM_WORLD,&mpi_rank);
    if (VERBOSE_MED)
	printf("rank/size of MPI_COMM_WORLD are %d/%d\n", mpi_rank, mpi_size);

    /* Create a new communicator that has the same processes as MPI_COMM_WORLD.
     * Use MPI_Comm_split because it is simplier than MPI_Comm_create
     */
    mrc = MPI_Comm_split(MPI_COMM_WORLD, 0, 0, &comm);
    VRFY((mrc==MPI_SUCCESS), "MPI_Comm_split");
    MPI_Comm_size(comm,&mpi_size_old);
    MPI_Comm_rank(comm,&mpi_rank_old);
    if (VERBOSE_MED)
	printf("rank/size of comm are %d/%d\n", mpi_rank_old, mpi_size_old);

    /* create a new INFO object with some trivial information. */
    mrc = MPI_Info_create(&info);
    VRFY((mrc==MPI_SUCCESS), "MPI_Info_create");
    mrc = MPI_Info_set(info, "hdf_info_name", "XYZ");
    VRFY((mrc==MPI_SUCCESS), "MPI_Info_set");
    if (MPI_INFO_NULL != info){
	mrc=MPI_Info_get_nkeys(info, &nkeys);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_get_nkeys");
    }
    if (VERBOSE_MED)
	h5_dump_info_object(info);

    acc_pl = H5Pcreate (H5P_FILE_ACCESS);
    VRFY((acc_pl >= 0), "H5P_FILE_ACCESS");

    ret = H5Pset_fapl_mpio(acc_pl, comm, info);
    VRFY((ret >= 0), "");

    /* Case 1:
     * Free the created communicator and INFO object.
     * Check if the access property list is still valid and can return
     * valid communicator and INFO object.
     */
    mrc = MPI_Comm_free(&comm);
    VRFY((mrc==MPI_SUCCESS), "MPI_Comm_free");
    if (MPI_INFO_NULL!=info){
	mrc = MPI_Info_free(&info);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_free");
    }

    ret = H5Pget_fapl_mpio(acc_pl, &comm_tmp, &info_tmp);
    VRFY((ret >= 0), "H5Pget_fapl_mpio");
    MPI_Comm_size(comm_tmp,&mpi_size_tmp);
    MPI_Comm_rank(comm_tmp,&mpi_rank_tmp);
    if (VERBOSE_MED)
	printf("After H5Pget_fapl_mpio: rank/size of comm are %d/%d\n",
	mpi_rank_tmp, mpi_size_tmp);
    VRFY((mpi_size_tmp==mpi_size), "MPI_Comm_size");
    VRFY((mpi_rank_tmp==mpi_rank), "MPI_Comm_rank");
    if (MPI_INFO_NULL != info_tmp){
	mrc=MPI_Info_get_nkeys(info_tmp, &nkeys_tmp);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_get_nkeys");
	VRFY((nkeys_tmp==nkeys), "new and old nkeys equal");
    }
    if (VERBOSE_MED)
	h5_dump_info_object(info_tmp);

    /* Case 2:
     * Free the retrieved communicator and INFO object.
     * Check if the access property list is still valid and can return
     * valid communicator and INFO object.
     * Also verify the NULL argument option.
     */
    mrc = MPI_Comm_free(&comm_tmp);
    VRFY((mrc==MPI_SUCCESS), "MPI_Comm_free");
    if (MPI_INFO_NULL!=info_tmp){
	mrc = MPI_Info_free(&info_tmp);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_free");
    }

    /* check NULL argument options. */
    ret = H5Pget_fapl_mpio(acc_pl, &comm_tmp, NULL);
    VRFY((ret >= 0), "H5Pget_fapl_mpio Comm only");
    mrc = MPI_Comm_free(&comm_tmp);
    VRFY((mrc==MPI_SUCCESS), "MPI_Comm_free");

    ret = H5Pget_fapl_mpio(acc_pl, NULL, &info_tmp);
    VRFY((ret >= 0), "H5Pget_fapl_mpio Info only");
    if (MPI_INFO_NULL!=info_tmp){
	mrc = MPI_Info_free(&info_tmp);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_free");
    }

    ret = H5Pget_fapl_mpio(acc_pl, NULL, NULL);
    VRFY((ret >= 0), "H5Pget_fapl_mpio neither");

    /* now get both and check validity too. */
    /* Donot free the returned objects which are used in the next case. */
    ret = H5Pget_fapl_mpio(acc_pl, &comm_tmp, &info_tmp);
    VRFY((ret >= 0), "H5Pget_fapl_mpio");
    MPI_Comm_size(comm_tmp,&mpi_size_tmp);
    MPI_Comm_rank(comm_tmp,&mpi_rank_tmp);
    if (VERBOSE_MED)
	printf("After second H5Pget_fapl_mpio: rank/size of comm are %d/%d\n",
	mpi_rank_tmp, mpi_size_tmp);
    VRFY((mpi_size_tmp==mpi_size), "MPI_Comm_size");
    VRFY((mpi_rank_tmp==mpi_rank), "MPI_Comm_rank");
    if (MPI_INFO_NULL != info_tmp){
	mrc=MPI_Info_get_nkeys(info_tmp, &nkeys_tmp);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_get_nkeys");
	VRFY((nkeys_tmp==nkeys), "new and old nkeys equal");
    }
    if (VERBOSE_MED)
	h5_dump_info_object(info_tmp);

    /* Case 3:
     * Close the property list and verify the retrieved communicator and INFO
     * object are still valid.
     */
    H5Pclose(acc_pl);
    MPI_Comm_size(comm_tmp,&mpi_size_tmp);
    MPI_Comm_rank(comm_tmp,&mpi_rank_tmp);
    if (VERBOSE_MED)
	printf("After Property list closed: rank/size of comm are %d/%d\n",
	mpi_rank_tmp, mpi_size_tmp);
    if (MPI_INFO_NULL != info_tmp){
	mrc=MPI_Info_get_nkeys(info_tmp, &nkeys_tmp);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_get_nkeys");
    }
    if (VERBOSE_MED)
	h5_dump_info_object(info_tmp);

    /* clean up */
    mrc = MPI_Comm_free(&comm_tmp);
    VRFY((mrc==MPI_SUCCESS), "MPI_Comm_free");
    if (MPI_INFO_NULL!=info_tmp){
	mrc = MPI_Info_free(&info_tmp);
	VRFY((mrc==MPI_SUCCESS), "MPI_Info_free");
    }
}
Beispiel #29
0
int main(int argc, char ** argv)
{
  int Block_order;
  size_t Block_size;
  size_t Colblock_size;
  int Tile_order=32;
  int tiling;
  int Num_procs;     /* Number of ranks                                          */
  int order;         /* overall matrix order                                     */
  int send_to, recv_from; /* communicating ranks                                 */
  size_t bytes;      /* total amount of data to be moved                         */
  int my_ID;         /* rank                                                     */
  int root=0;        /* root rank of a communicator                              */
  int iterations;    /* number of times to run the pipeline algorithm            */
  int i, j, it, jt, ID;/* dummies                                                */
  int iter;          /* index of iteration                                       */
  int phase;         /* phase in the staged communication                        */
  size_t colstart;   /* sequence number of first column owned by calling rank    */
  int error=0;       /* error flag                                               */
  double *A_p;       /* original matrix column block                             */
  double *B_p;       /* transposed matrix column block                           */
  double *Work_in_p; /* workspace for the transpose function                     */
  double *Work_out_p;/* workspace for the transpose function                     */
  double abserr, abserr_tot; /* computed error                                   */
  double epsilon = 1.e-8; /* error tolerance                                     */
  double local_trans_time, /* timing parameters                                  */
         trans_time,
         avgtime;
  MPI_Status status; /* completion status of message                             */
  MPI_Win shm_win_A; /* Shared Memory window object                              */
  MPI_Win shm_win_B; /* Shared Memory window object                              */
  MPI_Win shm_win_Work_in; /* Shared Memory window object                        */
  MPI_Win shm_win_Work_out; /* Shared Memory window object                       */
  MPI_Info rma_winfo;/* info for window                                          */
  MPI_Comm shm_comm_prep;/* Shared Memory prep Communicator                      */
  MPI_Comm shm_comm; /* Shared Memory Communicator                               */
  int shm_procs;     /* # of ranks in shared domain                              */
  int shm_ID;        /* MPI rank within coherence domain                         */
  int group_size;    /* number of ranks per shared memory group                  */
  int Num_groups;    /* number of shared memory group                            */
  int group_ID;      /* sequence number of shared memory group                   */
  int size_mul;      /* size multiplier; 0 for non-root ranks in coherence domain*/
  int istart;
  MPI_Request send_req, recv_req;

/*********************************************************************************
** Initialize the MPI environment
**********************************************************************************/
  MPI_Init(&argc,&argv);
  MPI_Comm_rank(MPI_COMM_WORLD, &my_ID);
  MPI_Comm_size(MPI_COMM_WORLD, &Num_procs);

  root = 0;

/*********************************************************************
** process, test and broadcast input parameter
*********************************************************************/

  if (my_ID == root){
    if (argc != 4 && argc !=5){
      printf("Usage: %s  <#ranks per coherence domain> <# iterations> <matrix order> [tile size]\n", 
             *argv);
      error = 1;
      goto ENDOFTESTS;
    }

    group_size = atoi(*++argv);
    if (group_size < 1) {
      printf("ERROR: # ranks per coherence domain must be >= 1 : %d \n",group_size);
      error = 1;
      goto ENDOFTESTS;
    } 
    if (Num_procs%group_size) {
      printf("ERROR: toal # %d ranks not divisible by ranks per coherence domain %d\n",
	     Num_procs, group_size);
      error = 1;
      goto ENDOFTESTS;
    } 

    iterations = atoi(*++argv);
    if (iterations < 1){
      printf("ERROR: iterations must be >= 1 : %d \n",iterations);
      error = 1;
      goto ENDOFTESTS;
    } 

    order = atoi(*++argv);
    if (order < Num_procs) {
      printf("ERROR: matrix order %d should at least # procs %d\n", 
             order, Num_procs);
      error = 1; goto ENDOFTESTS;
    }

    if (order%Num_procs) {
      printf("ERROR: matrix order %d should be divisible by # procs %d\n",
             order, Num_procs);
      error = 1; goto ENDOFTESTS;
    }

    if (argc == 5) Tile_order = atoi(*++argv);

    ENDOFTESTS:;
  }
  bail_out(error); 

  /*  Broadcast input data to all ranks */
  MPI_Bcast(&order,      1, MPI_INT, root, MPI_COMM_WORLD);
  MPI_Bcast(&iterations, 1, MPI_INT, root, MPI_COMM_WORLD);
  MPI_Bcast(&Tile_order, 1, MPI_INT, root, MPI_COMM_WORLD);
  MPI_Bcast(&group_size, 1, MPI_INT, root, MPI_COMM_WORLD);

  if (my_ID == root) {
    printf("Parallel Research Kernels version %s\n", PRKVERSION);
    printf("MPI+SHM Matrix transpose: B = A^T\n");
    printf("Number of ranks      = %d\n", Num_procs);
    printf("Rank group size      = %d\n", group_size);
    printf("Matrix order         = %d\n", order);
    printf("Number of iterations = %d\n", iterations);
    if ((Tile_order > 0) && (Tile_order < order))
       printf("Tile size            = %d\n", Tile_order);
    else  printf("Untiled\n");
#ifndef SYNCHRONOUS
    printf("Non-");
#endif
    printf("Blocking messages\n");
  }

  /* Setup for Shared memory regions */

  /* first divide WORLD in groups of size group_size */
  MPI_Comm_split(MPI_COMM_WORLD, my_ID/group_size, my_ID%group_size, &shm_comm_prep);
  /* derive from that a SHM communicator */
  MPI_Comm_split_type(shm_comm_prep, MPI_COMM_TYPE_SHARED, 0, MPI_INFO_NULL, &shm_comm);
  MPI_Comm_rank(shm_comm, &shm_ID);
  MPI_Comm_size(shm_comm, &shm_procs);
  /* do sanity check, making sure groups did not shrink in second comm split */
  if (shm_procs != group_size) MPI_Abort(MPI_COMM_WORLD, 666);

  /* a non-positive tile size means no tiling of the local transpose */
  tiling = (Tile_order > 0) && (Tile_order < order);
  bytes = 2 * sizeof(double) * order * order;

/*********************************************************************
** The matrix is broken up into column blocks that are mapped one to a 
** rank.  Each column block is made up of Num_procs smaller square 
** blocks of order block_order.
*********************************************************************/

  Num_groups     = Num_procs/group_size;
  Block_order    = order/Num_groups;

  group_ID       = my_ID/group_size;
  colstart       = Block_order * group_ID;
  Colblock_size  = order * Block_order;
  Block_size     = Block_order * Block_order;

/*********************************************************************
** Create the column block of the test matrix, the column block of the 
** transposed matrix, and workspace (workspace only if #procs>1)
*********************************************************************/

  /* RMA win info */
  MPI_Info_create(&rma_winfo);
  /* This key indicates that passive target RMA will not be used.
   * It is the one info key that MPICH actually uses for optimization. */
  MPI_Info_set(rma_winfo, "no_locks", "true");

  /* only the root of each SHM domain specifies window of nonzero size */
  size_mul = (shm_ID==0);  
  int offset = 32;
  MPI_Aint size= (Colblock_size+offset)*sizeof(double)*size_mul; int disp_unit;
  MPI_Win_allocate_shared(size, sizeof(double), rma_winfo, shm_comm, 
                          (void *) &A_p, &shm_win_A);
  MPI_Win_lock_all(MPI_MODE_NOCHECK,shm_win_A);
  MPI_Win_shared_query(shm_win_A, MPI_PROC_NULL, &size, &disp_unit, (void *)&A_p);

  if (A_p == NULL){
    printf(" Error allocating space for original matrix on node %d\n",my_ID);
    error = 1;
  }
  bail_out(error);
  A_p += offset;

  /* recompute memory size (overwritten by prior query                 */
  size= (Colblock_size+offset)*sizeof(double)*size_mul; 
  MPI_Win_allocate_shared(size, sizeof(double), rma_winfo, shm_comm, 
                          (void *) &B_p, &shm_win_B);
  MPI_Win_lock_all(MPI_MODE_NOCHECK,shm_win_B);
  MPI_Win_shared_query(shm_win_B, MPI_PROC_NULL, &size, &disp_unit, (void *)&B_p);
  if (B_p == NULL){
    printf(" Error allocating space for transposed matrix by group %d\n",group_ID);
    error = 1;
  }
  bail_out(error);
  B_p += offset;

  if (Num_groups>1) {

    size = Block_size*sizeof(double)*size_mul;
    MPI_Win_allocate_shared(size, sizeof(double),rma_winfo, shm_comm, 
                           (void *) &Work_in_p, &shm_win_Work_in);
    MPI_Win_lock_all(MPI_MODE_NOCHECK,shm_win_Work_in);
    MPI_Win_shared_query(shm_win_Work_in, MPI_PROC_NULL, &size, &disp_unit, 
                         (void *)&Work_in_p);
    if (Work_in_p == NULL){
      printf(" Error allocating space for in block by group %d\n",group_ID);
      error = 1;
    }
    bail_out(error);

    /* recompute memory size (overwritten by prior query                 */
    size = Block_size*sizeof(double)*size_mul;
    MPI_Win_allocate_shared(size, sizeof(double), rma_winfo, 
                            shm_comm, (void *) &Work_out_p, &shm_win_Work_out);
    MPI_Win_lock_all(MPI_MODE_NOCHECK,shm_win_Work_out);
    MPI_Win_shared_query(shm_win_Work_out, MPI_PROC_NULL, &size, &disp_unit, 
                         (void *)&Work_out_p);
    if (Work_out_p == NULL){
      printf(" Error allocating space for out block by group %d\n",group_ID);
      error = 1;
    }
    bail_out(error);
  }

  /* Fill the original column matrix                                             */
  istart = 0;  
  int chunk_size = Block_order/group_size;
  if (tiling) {
      for (j=shm_ID*chunk_size;j<(shm_ID+1)*chunk_size;j+=Tile_order) {
      for (i=0;i<order; i+=Tile_order) 
        for (jt=j; jt<MIN((shm_ID+1)*chunk_size,j+Tile_order); jt++)
          for (it=i; it<MIN(order,i+Tile_order); it++) {
            A(it,jt) = (double) ((double)order*(jt+colstart) + it);
            B(it,jt) = -1.0;
          }
    }
  }
  else {
    for (j=shm_ID*chunk_size;j<(shm_ID+1)*chunk_size;j++) 
      for (i=0;i<order; i++) {
        A(i,j) = (double)((double)order*(j+colstart) + i);
        B(i,j) = -1.0;
      }
  }
  /* NEED A STORE FENCE HERE                                                     */
  MPI_Win_sync(shm_win_A);
  MPI_Win_sync(shm_win_B);
  MPI_Barrier(shm_comm);

  for (iter=0; iter<=iterations; iter++) {

    /* start timer after a warmup iteration */
    if (iter == 1) { 
      MPI_Barrier(MPI_COMM_WORLD);
      local_trans_time = wtime();
    }

    /* do the local transpose                                                    */
    istart = colstart; 
    if (!tiling) {
      for (i=shm_ID*chunk_size; i<(shm_ID+1)*chunk_size; i++) {
        for (j=0; j<Block_order; j++) 
              B(j,i) = A(i,j);
	}
    }
    else {
      for (i=shm_ID*chunk_size; i<(shm_ID+1)*chunk_size; i+=Tile_order) {
        for (j=0; j<Block_order; j+=Tile_order) 
          for (it=i; it<MIN(Block_order,i+Tile_order); it++)
            for (jt=j; jt<MIN(Block_order,j+Tile_order);jt++) {
              B(jt,it) = A(it,jt); 
	    }
      }
    }

    for (phase=1; phase<Num_groups; phase++){
      recv_from = ((group_ID + phase             )%Num_groups);
      send_to   = ((group_ID - phase + Num_groups)%Num_groups);

      istart = send_to*Block_order; 
      if (!tiling) {
        for (i=shm_ID*chunk_size; i<(shm_ID+1)*chunk_size; i++) 
          for (j=0; j<Block_order; j++){
	    Work_out(j,i) = A(i,j);
	  }
      }
      else {
        for (i=shm_ID*chunk_size; i<(shm_ID+1)*chunk_size; i+=Tile_order)
          for (j=0; j<Block_order; j+=Tile_order) 
            for (it=i; it<MIN(Block_order,i+Tile_order); it++)
              for (jt=j; jt<MIN(Block_order,j+Tile_order);jt++) {
                Work_out(jt,it) = A(it,jt); 
	      }
      }

      /* NEED A LOAD/STORE FENCE HERE                                            */
      MPI_Win_sync(shm_win_Work_in);
      MPI_Win_sync(shm_win_Work_out);
      MPI_Barrier(shm_comm);
      if (shm_ID==0) {
#ifndef SYNCHRONOUS  
        /* if we place the Irecv outside this block, it would not be
           protected by a local barrier, which creates a race                    */
        MPI_Irecv(Work_in_p, Block_size, MPI_DOUBLE, 
                  recv_from*group_size, phase, MPI_COMM_WORLD, &recv_req);  
        MPI_Isend(Work_out_p, Block_size, MPI_DOUBLE, send_to*group_size,
                  phase, MPI_COMM_WORLD, &send_req);
        MPI_Wait(&recv_req, &status);
        MPI_Wait(&send_req, &status);
#else
        MPI_Sendrecv(Work_out_p, Block_size, MPI_DOUBLE, send_to*group_size, 
                     phase, Work_in_p, Block_size, MPI_DOUBLE, 
  	             recv_from*group_size, phase, MPI_COMM_WORLD, &status);
#endif
      }
      /* NEED A LOAD FENCE HERE                                                  */ 
      MPI_Win_sync(shm_win_Work_in);
      MPI_Win_sync(shm_win_Work_out);
      MPI_Barrier(shm_comm);

      istart = recv_from*Block_order; 
      /* scatter received block to transposed matrix; no need to tile */
      for (j=shm_ID*chunk_size; j<(shm_ID+1)*chunk_size; j++)
        for (i=0; i<Block_order; i++) 
          B(i,j) = Work_in(i,j);

    }  /* end of phase loop  */
  } /* end of iterations */

  local_trans_time = wtime() - local_trans_time;
  MPI_Reduce(&local_trans_time, &trans_time, 1, MPI_DOUBLE, MPI_MAX, root,
             MPI_COMM_WORLD);

  abserr = 0.0;
  istart = 0;
  /*  for (j=shm_ID;j<Block_order;j+=group_size) for (i=0;i<order; i++) { */
  for (j=shm_ID*chunk_size; j<(shm_ID+1)*chunk_size; j++)
    for (i=0;i<order; i++) { 
      abserr += ABS(B(i,j) - (double)((double)order*i + j+colstart));
    }

  MPI_Reduce(&abserr, &abserr_tot, 1, MPI_DOUBLE, MPI_SUM, root, MPI_COMM_WORLD);

  if (my_ID == root) {
    if (abserr_tot < epsilon) {
      printf("Solution validates\n");
      avgtime = trans_time/(double)iterations;
      printf("Rate (MB/s): %lf Avg time (s): %lf\n",1.0E-06*bytes/avgtime, avgtime);
#ifdef VERBOSE
      printf("Summed errors: %f \n", abserr_tot);
#endif
    }
    else {
      printf("ERROR: Aggregate squared error %e exceeds threshold %e\n", abserr_tot, epsilon);
      error = 1;
    }
  }

  bail_out(error);

  MPI_Win_unlock_all(shm_win_A);
  MPI_Win_unlock_all(shm_win_B);

  MPI_Win_free(&shm_win_A);
  MPI_Win_free(&shm_win_B);
  if (Num_groups>1) {
      MPI_Win_unlock_all(shm_win_Work_in);
      MPI_Win_unlock_all(shm_win_Work_out);
      MPI_Win_free(&shm_win_Work_in);
      MPI_Win_free(&shm_win_Work_out);
  }

  MPI_Info_free(&rma_winfo);

  MPI_Finalize();
  exit(EXIT_SUCCESS);

}  /* end of main */
Beispiel #30
0
int main(int argc, char **argv)
{
    MPI_Info info_in, info_out;
    int errors = 0, all_errors = 0;
    MPI_Win win;
    void *base;
    char invalid_key[] = "invalid_test_key";
    char buf[MPI_MAX_INFO_VAL];
    int flag;
    MPI_Comm shm_comm = MPI_COMM_NULL;

    MPI_Init(&argc, &argv);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank);
    MPI_Comm_size(MPI_COMM_WORLD, &nproc);

    /* Test#1: setting a valid key at window-create time */

    MPI_Info_create(&info_in);
    MPI_Info_set(info_in, "no_locks", "true");

    MPI_Win_allocate(sizeof(int), sizeof(int), info_in, MPI_COMM_WORLD, &base, &win);
    errors += check_win_info_get(win, "no_locks", "true");

    MPI_Info_free(&info_in);

    /* We create a new window with no info argument for the next text to ensure that we have the
     * default settings */

    MPI_Win_free(&win);
    MPI_Win_allocate(sizeof(int), sizeof(int), MPI_INFO_NULL, MPI_COMM_WORLD, &base, &win);

    /* Test#2: setting and getting invalid key */

    win_info_set(win, invalid_key, "true");

    MPI_Win_get_info(win, &info_out);
    MPI_Info_get(info_out, invalid_key, MPI_MAX_INFO_VAL, buf, &flag);
#ifndef USE_STRICT_MPI
    /* Check if our invalid key was ignored.  Note, this check's MPICH's
     * behavior, but this behavior may not be required for a standard
     * conforming MPI implementation. */
    if (flag) {
        printf("%d: %s was not ignored\n", rank, invalid_key);
        errors++;
    }
#endif

    MPI_Info_free(&info_out);


    /* Test#3: setting info key "no_lock" (no default value) */
    win_info_set(win, "no_locks", "false");
    errors += check_win_info_get(win, "no_locks", "false");

    win_info_set(win, "no_locks", "true");
    errors += check_win_info_get(win, "no_locks", "true");


    /* Test#4: getting/setting "accumulate_ordering" */
    /*   #4.1: is the default "rar,raw,war,waw" as stated in the standard? */
    errors += check_win_info_get(win, "accumulate_ordering", "rar,raw,war,waw");

    /*   #4.2: setting "accumulate_ordering" to "none" */
    win_info_set(win, "accumulate_ordering", "none");
    errors += check_win_info_get(win, "accumulate_ordering", "none");

    /*   #4.3: setting "accumulate_ordering" to "rar,waw" */
    win_info_set(win, "accumulate_ordering", "rar,waw");
    errors += check_win_info_get(win, "accumulate_ordering", "rar,waw");


    /* Test#5: getting/setting "accumulate_ops" */
    /*   #5.1: is the default "same_op_no_op" as stated in the standard? */
    errors += check_win_info_get(win, "accumulate_ops", "same_op_no_op");

    /*   #5.2: setting "accumulate_ops" to "same_op" */
    win_info_set(win, "accumulate_ops", "same_op");
    errors += check_win_info_get(win, "accumulate_ops", "same_op");


    /* Test#6: setting "same_size" (no default value) */
    win_info_set(win, "same_size", "false");
    errors += check_win_info_get(win, "same_size", "false");

    win_info_set(win, "same_size", "true");
    errors += check_win_info_get(win, "same_size", "true");


    /* Test#7: setting "same_disp_unit" (no default value) */
    win_info_set(win, "same_disp_unit", "false");
    errors += check_win_info_get(win, "same_disp_unit", "false");

    win_info_set(win, "same_disp_unit", "true");
    errors += check_win_info_get(win, "same_disp_unit", "true");

    /* TODO: check alloc_shm as implementation-specific test */

    /* Test#8: setting "alloc_shared_noncontig" (no default value) in shared window. */
    MPI_Win_free(&win);

    /*   #8.1: setting at window allocation */
    MPI_Comm_split_type(MPI_COMM_WORLD, MPI_COMM_TYPE_SHARED, rank, MPI_INFO_NULL, &shm_comm);

    MPI_Info_create(&info_in);
    MPI_Info_set(info_in, "alloc_shared_noncontig", "true");
    MPI_Win_allocate_shared(sizeof(int), sizeof(int), info_in, shm_comm, &base, &win);
    errors += check_win_info_get(win, "alloc_shared_noncontig", "true");
    MPI_Info_free(&info_in);

    /*   #8.2: setting info */
    win_info_set(win, "alloc_shared_noncontig", "false");
    errors += check_win_info_get(win, "alloc_shared_noncontig", "false");
    MPI_Comm_free(&shm_comm);

    MPI_Win_free(&win);

    MPI_Reduce(&errors, &all_errors, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD);

    if (rank == 0 && all_errors == 0)
        printf(" No Errors\n");

    MPI_Finalize();

    return 0;
}