1
1
openmpi/ompi/win/win.c
2016-03-28 14:57:31 +09:00

412 строки
11 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2013-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015-2016 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "mpi.h"
#include "ompi/win/win.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/constants.h"
#include "ompi/attribute/attribute.h"
#include "ompi/group/group.h"
#include "ompi/info/info.h"
#include "ompi/mca/osc/base/base.h"
#include "ompi/mca/osc/osc.h"
#include "ompi/runtime/params.h"
/*
* Table for Fortran <-> C communicator handle conversion. Note that
* these are not necessarily global.
*/
opal_pointer_array_t ompi_mpi_windows = {{0}};
ompi_predefined_win_t ompi_mpi_win_null = {{{0}}};
ompi_predefined_win_t *ompi_mpi_win_null_addr = &ompi_mpi_win_null;
mca_base_var_enum_t *ompi_win_accumulate_ops = NULL;
static mca_base_var_enum_value_t accumulate_ops_values[] = {
{.value = OMPI_WIN_ACCUMULATE_OPS_SAME_OP_NO_OP, .string = "same_op_no_op",},
{.value = OMPI_WIN_ACCUMULATE_OPS_SAME_OP, .string = "same_op",},
{.value = -1, .string = NULL},
};
static void ompi_win_construct(ompi_win_t *win);
static void ompi_win_destruct(ompi_win_t *win);
OBJ_CLASS_INSTANCE(ompi_win_t, opal_object_t,
ompi_win_construct, ompi_win_destruct);
int
ompi_win_init(void)
{
int ret;
assert (sizeof (ompi_predefined_win_t) >= sizeof (ompi_win_t));
/* setup window Fortran array */
OBJ_CONSTRUCT(&ompi_mpi_windows, opal_pointer_array_t);
if( OPAL_SUCCESS != opal_pointer_array_init(&ompi_mpi_windows, 0,
OMPI_FORTRAN_HANDLE_MAX, 64) ) {
return OMPI_ERROR;
}
/* Setup MPI_WIN_NULL */
OBJ_CONSTRUCT(&ompi_mpi_win_null.win, ompi_win_t);
ompi_mpi_win_null.win.w_flags = OMPI_WIN_INVALID;
ompi_mpi_win_null.win.w_group = &ompi_mpi_group_null.group;
OBJ_RETAIN(&ompi_mpi_group_null);
ompi_win_set_name(&ompi_mpi_win_null.win, "MPI_WIN_NULL");
opal_pointer_array_set_item(&ompi_mpi_windows, 0, &ompi_mpi_win_null.win);
ret = mca_base_var_enum_create ("accumulate_ops", accumulate_ops_values, &ompi_win_accumulate_ops);
if (OPAL_SUCCESS != ret) {
return ret;
}
return OMPI_SUCCESS;
}
static void ompi_win_dump (ompi_win_t *win)
{
opal_output(0, "Dumping information for window: %s\n", win->w_name);
opal_output(0," Fortran window handle: %d, window size: %d\n",
win->w_f_to_c_index, ompi_group_size (win->w_group));
}
int ompi_win_finalize(void)
{
size_t size = opal_pointer_array_get_size (&ompi_mpi_windows);
/* start at 1 to skip win null */
for (size_t i = 1 ; i < size ; ++i) {
ompi_win_t *win =
(ompi_win_t *) opal_pointer_array_get_item (&ompi_mpi_windows, i);
if (NULL != win) {
if (ompi_debug_show_handle_leaks && !ompi_win_invalid(win)){
opal_output(0,"WARNING: MPI_Win still allocated in MPI_Finalize\n");
ompi_win_dump (win);
}
ompi_win_free (win);
}
}
OBJ_DESTRUCT(&ompi_mpi_win_null.win);
OBJ_DESTRUCT(&ompi_mpi_windows);
OBJ_RELEASE(ompi_win_accumulate_ops);
return OMPI_SUCCESS;
}
static int alloc_window(struct ompi_communicator_t *comm, ompi_info_t *info, int flavor, ompi_win_t **win_out)
{
ompi_win_t *win;
ompi_group_t *group;
int acc_ops, flag, ret;
/* create the object */
win = OBJ_NEW(ompi_win_t);
if (NULL == win) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
ret = ompi_info_get_value_enum (info, "accumulate_ops", &acc_ops,
OMPI_WIN_ACCUMULATE_OPS_SAME_OP_NO_OP,
ompi_win_accumulate_ops, &flag);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
win->w_acc_ops = (ompi_win_accumulate_ops_t)acc_ops;
win->w_flavor = flavor;
/* setup data that is independent of osc component */
group = comm->c_local_group;
OBJ_RETAIN(group);
win->w_group = group;
*win_out = win;
return OMPI_SUCCESS;
}
static int
config_window(void *base, size_t size, int disp_unit,
int flavor, int model, ompi_win_t *win)
{
int ret;
ret = ompi_attr_set_c(WIN_ATTR, win, &win->w_keyhash,
MPI_WIN_BASE, base, true);
if (OMPI_SUCCESS != ret) return ret;
ret = ompi_attr_set_fortran_mpi2(WIN_ATTR, win,
&win->w_keyhash,
MPI_WIN_SIZE, size, true);
if (OMPI_SUCCESS != ret) return ret;
ret = ompi_attr_set_fortran_mpi1(WIN_ATTR, win,
&win->w_keyhash,
MPI_WIN_DISP_UNIT, disp_unit,
true);
if (OMPI_SUCCESS != ret) return ret;
ret = ompi_attr_set_fortran_mpi1(WIN_ATTR, win,
&win->w_keyhash,
MPI_WIN_CREATE_FLAVOR, flavor, true);
if (OMPI_SUCCESS != ret) return ret;
ret = ompi_attr_set_fortran_mpi1(WIN_ATTR, win,
&win->w_keyhash,
MPI_WIN_MODEL, model, true);
if (OMPI_SUCCESS != ret) return ret;
win->w_f_to_c_index = opal_pointer_array_add(&ompi_mpi_windows, win);
if (-1 == win->w_f_to_c_index) return OMPI_ERR_OUT_OF_RESOURCE;
return OMPI_SUCCESS;
}
int
ompi_win_create(void *base, size_t size,
int disp_unit, ompi_communicator_t *comm,
ompi_info_t *info,
ompi_win_t** newwin)
{
ompi_win_t *win;
int model;
int ret;
ret = alloc_window (comm, info, MPI_WIN_FLAVOR_CREATE, &win);
if (OMPI_SUCCESS != ret) {
return ret;
}
ret = ompi_osc_base_select(win, &base, size, disp_unit, comm, info, MPI_WIN_FLAVOR_CREATE, &model);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
ret = config_window(base, size, disp_unit, MPI_WIN_FLAVOR_CREATE, model, win);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
*newwin = win;
return OMPI_SUCCESS;
}
int
ompi_win_allocate(size_t size, int disp_unit, ompi_info_t *info,
ompi_communicator_t *comm, void *baseptr, ompi_win_t **newwin)
{
ompi_win_t *win;
int model;
int ret;
void *base;
ret = alloc_window (comm, info, MPI_WIN_FLAVOR_ALLOCATE, &win);
if (OMPI_SUCCESS != ret) {
return ret;
}
ret = ompi_osc_base_select(win, &base, size, disp_unit, comm, info, MPI_WIN_FLAVOR_ALLOCATE, &model);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
ret = config_window(base, size, disp_unit, MPI_WIN_FLAVOR_ALLOCATE, model, win);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
*((void**) baseptr) = base;
*newwin = win;
return OMPI_SUCCESS;
}
int
ompi_win_allocate_shared(size_t size, int disp_unit, ompi_info_t *info,
ompi_communicator_t *comm, void *baseptr, ompi_win_t **newwin)
{
ompi_win_t *win;
int model;
int ret;
void *base;
ret = alloc_window (comm, info, MPI_WIN_FLAVOR_SHARED, &win);
if (OMPI_SUCCESS != ret) {
return ret;
}
ret = ompi_osc_base_select(win, &base, size, disp_unit, comm, info, MPI_WIN_FLAVOR_SHARED, &model);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
ret = config_window(base, size, disp_unit, MPI_WIN_FLAVOR_SHARED, model, win);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
*((void**) baseptr) = base;
*newwin = win;
return OMPI_SUCCESS;
}
int
ompi_win_create_dynamic(ompi_info_t *info, ompi_communicator_t *comm, ompi_win_t **newwin)
{
ompi_win_t *win;
int model;
int ret;
ret = alloc_window (comm, info, MPI_WIN_FLAVOR_DYNAMIC, &win);
if (OMPI_SUCCESS != ret) {
return ret;
}
ret = ompi_osc_base_select(win, MPI_BOTTOM, 0, 1, comm, info, MPI_WIN_FLAVOR_DYNAMIC, &model);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
ret = config_window(MPI_BOTTOM, 0, 1, MPI_WIN_FLAVOR_DYNAMIC, model, win);
if (OMPI_SUCCESS != ret) {
OBJ_RELEASE(win);
return ret;
}
*newwin = win;
return OMPI_SUCCESS;
}
int
ompi_win_free(ompi_win_t *win)
{
int ret = win->w_osc_module->osc_free(win);
if (-1 != win->w_f_to_c_index) {
opal_pointer_array_set_item(&ompi_mpi_windows,
win->w_f_to_c_index,
NULL);
}
if (OMPI_SUCCESS == ret) {
OBJ_RELEASE(win);
}
return ret;
}
int
ompi_win_set_name(ompi_win_t *win, const char *win_name)
{
OPAL_THREAD_LOCK(&(win->w_lock));
memset(win->w_name, 0, MPI_MAX_OBJECT_NAME);
strncpy(win->w_name, win_name, MPI_MAX_OBJECT_NAME);
win->w_name[MPI_MAX_OBJECT_NAME - 1] = 0;
OPAL_THREAD_UNLOCK(&(win->w_lock));
return OMPI_SUCCESS;
}
int
ompi_win_get_name(ompi_win_t *win, char *win_name, int *length)
{
OPAL_THREAD_LOCK(&(win->w_lock));
strncpy(win_name, win->w_name, MPI_MAX_OBJECT_NAME);
*length = (int)strlen(win->w_name);
OPAL_THREAD_UNLOCK(&(win->w_lock));
return OMPI_SUCCESS;
}
int
ompi_win_group(ompi_win_t *win, ompi_group_t **group) {
OBJ_RETAIN(win->w_group);
*group = win->w_group;
return OMPI_SUCCESS;
}
static void
ompi_win_construct(ompi_win_t *win)
{
OBJ_CONSTRUCT(&win->w_lock, opal_mutex_t);
win->w_name[0] = '\0';
win->w_group = NULL;
win->w_keyhash = NULL;
win->w_f_to_c_index = 0;
/* every new window defaults to MPI_ERRORS_ARE_FATAL (MPI-2 6.6.1,
pg. 137) */
OBJ_RETAIN(&ompi_mpi_errors_are_fatal.eh);
win->error_handler = &ompi_mpi_errors_are_fatal.eh;
win->errhandler_type = OMPI_ERRHANDLER_TYPE_WIN;
win->w_flags = 0;
win->w_osc_module = NULL;
}
static void
ompi_win_destruct(ompi_win_t *win)
{
if (NULL != win->w_keyhash) {
ompi_attr_delete_all(WIN_ATTR, win, win->w_keyhash);
OBJ_RELEASE(win->w_keyhash);
}
if (NULL != win->error_handler) {
OBJ_RELEASE(win->error_handler);
}
if (NULL != win->w_group) {
OBJ_RELEASE(win->w_group);
}
OBJ_DESTRUCT(&win->w_lock);
}