ports/openmpi
ports/openmpi
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7fdf887937
openmpi/ompi/mca/osc/ucx/osc_ucx_component.c
Sergey Oblomov b72dd83f05 MCA/COMMON/UCX: added synonims for common ucx variables 
- added synonims for atomic/osc modules

Signed-off-by: Sergey Oblomov <sergeyo@mellanox.com>
2018-08-26 18:25:21 +03:00

836 строки
30 KiB
C
Исходник Ответственный История

/*
* Copyright (C) Mellanox Technologies Ltd. 2001-2017. ALL RIGHTS RESERVED.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/osc/osc.h"
#include "ompi/mca/osc/base/base.h"
#include "ompi/mca/osc/base/osc_base_obj_convert.h"
#include "opal/mca/common/ucx/common_ucx.h"
#include "osc_ucx.h"
#include "osc_ucx_request.h"
static int component_open(void);
static int component_register(void);
static int component_init(bool enable_progress_threads, bool enable_mpi_threads);
static int component_finalize(void);
static int component_query(struct ompi_win_t *win, void **base, size_t size, int disp_unit,
struct ompi_communicator_t *comm, struct opal_info_t *info, int flavor);
static int component_select(struct ompi_win_t *win, void **base, size_t size, int disp_unit,
struct ompi_communicator_t *comm, struct opal_info_t *info,
int flavor, int *model);
static void ompi_osc_ucx_unregister_progress(void);
ompi_osc_ucx_component_t mca_osc_ucx_component = {
{ /* ompi_osc_base_component_t */
.osc_version = {
OMPI_OSC_BASE_VERSION_3_0_0,
.mca_component_name = "ucx",
MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION),
.mca_open_component = component_open,
.mca_register_component_params = component_register,
},
.osc_data = {
/* The component is not checkpoint ready */
MCA_BASE_METADATA_PARAM_NONE
},
.osc_init = component_init,
.osc_query = component_query,
.osc_select = component_select,
.osc_finalize = component_finalize,
},
.ucp_context = NULL,
.ucp_worker = NULL,
.env_initialized = false,
.num_incomplete_req_ops = 0,
.num_modules = 0
};
ompi_osc_ucx_module_t ompi_osc_ucx_module_template = {
{
.osc_win_attach = ompi_osc_ucx_win_attach,
.osc_win_detach = ompi_osc_ucx_win_detach,
.osc_free = ompi_osc_ucx_free,
.osc_put = ompi_osc_ucx_put,
.osc_get = ompi_osc_ucx_get,
.osc_accumulate = ompi_osc_ucx_accumulate,
.osc_compare_and_swap = ompi_osc_ucx_compare_and_swap,
.osc_fetch_and_op = ompi_osc_ucx_fetch_and_op,
.osc_get_accumulate = ompi_osc_ucx_get_accumulate,
.osc_rput = ompi_osc_ucx_rput,
.osc_rget = ompi_osc_ucx_rget,
.osc_raccumulate = ompi_osc_ucx_raccumulate,
.osc_rget_accumulate = ompi_osc_ucx_rget_accumulate,
.osc_fence = ompi_osc_ucx_fence,
.osc_start = ompi_osc_ucx_start,
.osc_complete = ompi_osc_ucx_complete,
.osc_post = ompi_osc_ucx_post,
.osc_wait = ompi_osc_ucx_wait,
.osc_test = ompi_osc_ucx_test,
.osc_lock = ompi_osc_ucx_lock,
.osc_unlock = ompi_osc_ucx_unlock,
.osc_lock_all = ompi_osc_ucx_lock_all,
.osc_unlock_all = ompi_osc_ucx_unlock_all,
.osc_sync = ompi_osc_ucx_sync,
.osc_flush = ompi_osc_ucx_flush,
.osc_flush_all = ompi_osc_ucx_flush_all,
.osc_flush_local = ompi_osc_ucx_flush_local,
.osc_flush_local_all = ompi_osc_ucx_flush_local_all,
}
};
static int component_open(void) {
return OMPI_SUCCESS;
}
static int component_register(void) {
char *description_str;
mca_osc_ucx_component.priority = 0;
asprintf(&description_str, "Priority of the osc/ucx component (default: %d)",
mca_osc_ucx_component.priority);
(void) mca_base_component_var_register(&mca_osc_ucx_component.super.osc_version, "priority", description_str,
MCA_BASE_VAR_TYPE_UNSIGNED_INT, NULL, 0, 0, OPAL_INFO_LVL_3,
MCA_BASE_VAR_SCOPE_GROUP, &mca_osc_ucx_component.priority);
free(description_str);
opal_common_ucx_mca_var_register(&mca_osc_ucx_component.super.osc_version);
return OMPI_SUCCESS;
}
static int progress_callback(void) {
ucp_worker_progress(mca_osc_ucx_component.ucp_worker);
return 0;
}
static int component_init(bool enable_progress_threads, bool enable_mpi_threads) {
mca_osc_ucx_component.enable_mpi_threads = enable_mpi_threads;
opal_common_ucx_mca_register();
return OMPI_SUCCESS;
}
static int component_finalize(void) {
int i;
for (i = 0; i < ompi_proc_world_size(); i++) {
ucp_ep_h ep = OSC_UCX_GET_EP(&(ompi_mpi_comm_world.comm), i);
if (ep != NULL) {
ucp_ep_destroy(ep);
}
}
if (mca_osc_ucx_component.ucp_worker != NULL) {
ucp_worker_destroy(mca_osc_ucx_component.ucp_worker);
}
assert(mca_osc_ucx_component.num_incomplete_req_ops == 0);
if (mca_osc_ucx_component.env_initialized == true) {
OBJ_DESTRUCT(&mca_osc_ucx_component.requests);
ucp_cleanup(mca_osc_ucx_component.ucp_context);
mca_osc_ucx_component.env_initialized = false;
}
opal_common_ucx_mca_deregister();
return OMPI_SUCCESS;
}
static int component_query(struct ompi_win_t *win, void **base, size_t size, int disp_unit,
struct ompi_communicator_t *comm, struct opal_info_t *info, int flavor) {
if (MPI_WIN_FLAVOR_SHARED == flavor) return -1;
return mca_osc_ucx_component.priority;
}
static inline int allgather_len_and_info(void *my_info, int my_info_len, char **recv_info,
int *disps, struct ompi_communicator_t *comm) {
int ret = OMPI_SUCCESS;
int comm_size = ompi_comm_size(comm);
int lens[comm_size];
int total_len, i;
ret = comm->c_coll->coll_allgather(&my_info_len, 1, MPI_INT,
lens, 1, MPI_INT, comm,
comm->c_coll->coll_allgather_module);
if (OMPI_SUCCESS != ret) {
return ret;
}
total_len = 0;
for (i = 0; i < comm_size; i++) {
disps[i] = total_len;
total_len += lens[i];
}
(*recv_info) = (char *)malloc(total_len);
ret = comm->c_coll->coll_allgatherv(my_info, my_info_len, MPI_BYTE,
(void *)(*recv_info), lens, disps, MPI_BYTE,
comm, comm->c_coll->coll_allgatherv_module);
if (OMPI_SUCCESS != ret) {
return ret;
}
return ret;
}
static inline int mem_map(void **base, size_t size, ucp_mem_h *memh_ptr,
ompi_osc_ucx_module_t *module, int flavor) {
ucp_mem_map_params_t mem_params;
ucp_mem_attr_t mem_attrs;
ucs_status_t status;
int ret = OMPI_SUCCESS;
if (!(flavor == MPI_WIN_FLAVOR_ALLOCATE || flavor == MPI_WIN_FLAVOR_CREATE)
|| size == 0) {
return ret;
}
memset(&mem_params, 0, sizeof(ucp_mem_map_params_t));
mem_params.field_mask = UCP_MEM_MAP_PARAM_FIELD_ADDRESS |
UCP_MEM_MAP_PARAM_FIELD_LENGTH |
UCP_MEM_MAP_PARAM_FIELD_FLAGS;
mem_params.length = size;
if (flavor == MPI_WIN_FLAVOR_ALLOCATE) {
mem_params.address = NULL;
mem_params.flags = UCP_MEM_MAP_ALLOCATE;
} else {
mem_params.address = (*base);
}
/* memory map */
status = ucp_mem_map(mca_osc_ucx_component.ucp_context, &mem_params, memh_ptr);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_mem_map failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
mem_attrs.field_mask = UCP_MEM_ATTR_FIELD_ADDRESS | UCP_MEM_ATTR_FIELD_LENGTH;
status = ucp_mem_query((*memh_ptr), &mem_attrs);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_mem_query failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
assert(mem_attrs.length >= size);
if (flavor == MPI_WIN_FLAVOR_CREATE) {
assert(mem_attrs.address == (*base));
} else {
(*base) = mem_attrs.address;
}
return ret;
error:
ucp_mem_unmap(mca_osc_ucx_component.ucp_context, (*memh_ptr));
return ret;
}
static void ompi_osc_ucx_unregister_progress()
{
int ret;
mca_osc_ucx_component.num_modules--;
OSC_UCX_ASSERT(mca_osc_ucx_component.num_modules >= 0);
if (0 == mca_osc_ucx_component.num_modules) {
ret = opal_progress_unregister(progress_callback);
if (OMPI_SUCCESS != ret) {
OSC_UCX_VERBOSE(1, "opal_progress_unregister failed: %d", ret);
}
}
}
static int component_select(struct ompi_win_t *win, void **base, size_t size, int disp_unit,
struct ompi_communicator_t *comm, struct opal_info_t *info,
int flavor, int *model) {
ompi_osc_ucx_module_t *module = NULL;
char *name = NULL;
long values[2];
int ret = OMPI_SUCCESS;
ucs_status_t status;
int i, comm_size = ompi_comm_size(comm);
int is_eps_ready;
bool eps_created = false, env_initialized = false;
ucp_address_t *my_addr = NULL;
size_t my_addr_len;
char *recv_buf = NULL;
void *rkey_buffer = NULL, *state_rkey_buffer = NULL;
size_t rkey_buffer_size, state_rkey_buffer_size;
void *state_base = NULL;
void * my_info = NULL;
size_t my_info_len;
int disps[comm_size];
int rkey_sizes[comm_size];
uint64_t zero = 0;
/* the osc/sm component is the exclusive provider for support for
* shared memory windows */
if (flavor == MPI_WIN_FLAVOR_SHARED) {
return OMPI_ERR_NOT_SUPPORTED;
}
if (mca_osc_ucx_component.env_initialized == false) {
ucp_config_t *config = NULL;
ucp_params_t context_params;
ucp_worker_params_t worker_params;
ucp_worker_attr_t worker_attr;
status = ucp_config_read("MPI", NULL, &config);
if (UCS_OK != status) {
OSC_UCX_VERBOSE(1, "ucp_config_read failed: %d", status);
return OMPI_ERROR;
}
OBJ_CONSTRUCT(&mca_osc_ucx_component.requests, opal_free_list_t);
ret = opal_free_list_init (&mca_osc_ucx_component.requests,
sizeof(ompi_osc_ucx_request_t),
opal_cache_line_size,
OBJ_CLASS(ompi_osc_ucx_request_t),
0, 0, 8, 0, 8, NULL, 0, NULL, NULL, NULL);
if (OMPI_SUCCESS != ret) {
OSC_UCX_VERBOSE(1, "opal_free_list_init failed: %d", ret);
goto error;
}
/* initialize UCP context */
memset(&context_params, 0, sizeof(context_params));
context_params.field_mask = UCP_PARAM_FIELD_FEATURES |
UCP_PARAM_FIELD_MT_WORKERS_SHARED |
UCP_PARAM_FIELD_ESTIMATED_NUM_EPS |
UCP_PARAM_FIELD_REQUEST_INIT |
UCP_PARAM_FIELD_REQUEST_SIZE;
context_params.features = UCP_FEATURE_RMA | UCP_FEATURE_AMO32 | UCP_FEATURE_AMO64;
context_params.mt_workers_shared = 0;
context_params.estimated_num_eps = ompi_proc_world_size();
context_params.request_init = internal_req_init;
context_params.request_size = sizeof(ompi_osc_ucx_internal_request_t);
status = ucp_init(&context_params, config, &mca_osc_ucx_component.ucp_context);
ucp_config_release(config);
if (UCS_OK != status) {
OSC_UCX_VERBOSE(1, "ucp_init failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
assert(mca_osc_ucx_component.ucp_worker == NULL);
memset(&worker_params, 0, sizeof(worker_params));
worker_params.field_mask = UCP_WORKER_PARAM_FIELD_THREAD_MODE;
worker_params.thread_mode = (mca_osc_ucx_component.enable_mpi_threads == true)
? UCS_THREAD_MODE_MULTI : UCS_THREAD_MODE_SINGLE;
status = ucp_worker_create(mca_osc_ucx_component.ucp_context, &worker_params,
&(mca_osc_ucx_component.ucp_worker));
if (UCS_OK != status) {
OSC_UCX_VERBOSE(1, "ucp_worker_create failed: %d", status);
ret = OMPI_ERROR;
goto error_nomem;
}
/* query UCP worker attributes */
worker_attr.field_mask = UCP_WORKER_ATTR_FIELD_THREAD_MODE;
status = ucp_worker_query(mca_osc_ucx_component.ucp_worker, &worker_attr);
if (UCS_OK != status) {
OSC_UCX_VERBOSE(1, "ucp_worker_query failed: %d", status);
ret = OMPI_ERROR;
goto error_nomem;
}
if (mca_osc_ucx_component.enable_mpi_threads == true &&
worker_attr.thread_mode != UCS_THREAD_MODE_MULTI) {
OSC_UCX_VERBOSE(1, "ucx does not support multithreading");
ret = OMPI_ERROR;
goto error_nomem;
}
mca_osc_ucx_component.env_initialized = true;
env_initialized = true;
}
/* create module structure */
module = (ompi_osc_ucx_module_t *)calloc(1, sizeof(ompi_osc_ucx_module_t));
if (module == NULL) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE;
goto error_nomem;
}
mca_osc_ucx_component.num_modules++;
/* fill in the function pointer part */
memcpy(module, &ompi_osc_ucx_module_template, sizeof(ompi_osc_base_module_t));
ret = ompi_comm_dup(comm, &module->comm);
if (ret != OMPI_SUCCESS) {
goto error;
}
*model = MPI_WIN_UNIFIED;
asprintf(&name, "ucx window %d", ompi_comm_get_cid(module->comm));
ompi_win_set_name(win, name);
free(name);
module->flavor = flavor;
module->size = size;
/* share everyone's displacement units. Only do an allgather if
strictly necessary, since it requires O(p) state. */
values[0] = disp_unit;
values[1] = -disp_unit;
ret = module->comm->c_coll->coll_allreduce(MPI_IN_PLACE, values, 2, MPI_LONG,
MPI_MIN, module->comm,
module->comm->c_coll->coll_allreduce_module);
if (OMPI_SUCCESS != ret) {
goto error;
}
if (values[0] == -values[1]) { /* everyone has the same disp_unit, we do not need O(p) space */
module->disp_unit = disp_unit;
} else { /* different disp_unit sizes, allocate O(p) space to store them */
module->disp_unit = -1;
module->disp_units = calloc(comm_size, sizeof(int));
if (module->disp_units == NULL) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE;
goto error;
}
ret = module->comm->c_coll->coll_allgather(&disp_unit, 1, MPI_INT,
module->disp_units, 1, MPI_INT,
module->comm,
module->comm->c_coll->coll_allgather_module);
if (OMPI_SUCCESS != ret) {
goto error;
}
}
/* exchange endpoints if necessary */
is_eps_ready = 1;
for (i = 0; i < comm_size; i++) {
if (OSC_UCX_GET_EP(module->comm, i) == NULL) {
is_eps_ready = 0;
break;
}
}
ret = module->comm->c_coll->coll_allreduce(MPI_IN_PLACE, &is_eps_ready, 1, MPI_INT,
MPI_LAND,
module->comm,
module->comm->c_coll->coll_allreduce_module);
if (OMPI_SUCCESS != ret) {
goto error;
}
if (!is_eps_ready) {
status = ucp_worker_get_address(mca_osc_ucx_component.ucp_worker,
&my_addr, &my_addr_len);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_worker_get_address failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
ret = allgather_len_and_info(my_addr, (int)my_addr_len,
&recv_buf, disps, module->comm);
if (ret != OMPI_SUCCESS) {
goto error;
}
for (i = 0; i < comm_size; i++) {
if (OSC_UCX_GET_EP(module->comm, i) == NULL) {
ucp_ep_params_t ep_params;
ucp_ep_h ep;
memset(&ep_params, 0, sizeof(ucp_ep_params_t));
ep_params.field_mask = UCP_EP_PARAM_FIELD_REMOTE_ADDRESS;
ep_params.address = (ucp_address_t *)&(recv_buf[disps[i]]);
status = ucp_ep_create(mca_osc_ucx_component.ucp_worker, &ep_params, &ep);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_ep_create failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
ompi_comm_peer_lookup(module->comm, i)->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_UCX] = ep;
}
}
ucp_worker_release_address(mca_osc_ucx_component.ucp_worker, my_addr);
my_addr = NULL;
free(recv_buf);
recv_buf = NULL;
eps_created = true;
}
ret = mem_map(base, size, &(module->memh), module, flavor);
if (ret != OMPI_SUCCESS) {
goto error;
}
state_base = (void *)&(module->state);
ret = mem_map(&state_base, sizeof(ompi_osc_ucx_state_t), &(module->state_memh),
module, MPI_WIN_FLAVOR_CREATE);
if (ret != OMPI_SUCCESS) {
goto error;
}
module->win_info_array = calloc(comm_size, sizeof(ompi_osc_ucx_win_info_t));
if (module->win_info_array == NULL) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE;
goto error;
}
module->state_info_array = calloc(comm_size, sizeof(ompi_osc_ucx_win_info_t));
if (module->state_info_array == NULL) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE;
goto error;
}
if (size > 0 && (flavor == MPI_WIN_FLAVOR_ALLOCATE || flavor == MPI_WIN_FLAVOR_CREATE)) {
status = ucp_rkey_pack(mca_osc_ucx_component.ucp_context, module->memh,
&rkey_buffer, &rkey_buffer_size);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_rkey_pack failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
} else {
rkey_buffer_size = 0;
}
status = ucp_rkey_pack(mca_osc_ucx_component.ucp_context, module->state_memh,
&state_rkey_buffer, &state_rkey_buffer_size);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_rkey_pack failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
my_info_len = 2 * sizeof(uint64_t) + rkey_buffer_size + state_rkey_buffer_size;
my_info = malloc(my_info_len);
if (my_info == NULL) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE;
goto error;
}
if (flavor == MPI_WIN_FLAVOR_ALLOCATE || flavor == MPI_WIN_FLAVOR_CREATE) {
memcpy(my_info, base, sizeof(uint64_t));
} else {
memcpy(my_info, &zero, sizeof(uint64_t));
}
memcpy((void *)((char *)my_info + sizeof(uint64_t)), &state_base, sizeof(uint64_t));
memcpy((void *)((char *)my_info + 2 * sizeof(uint64_t)), rkey_buffer, rkey_buffer_size);
memcpy((void *)((char *)my_info + 2 * sizeof(uint64_t) + rkey_buffer_size),
state_rkey_buffer, state_rkey_buffer_size);
ret = allgather_len_and_info(my_info, (int)my_info_len, &recv_buf, disps, module->comm);
if (ret != OMPI_SUCCESS) {
goto error;
}
ret = comm->c_coll->coll_allgather((void *)&rkey_buffer_size, 1, MPI_INT,
rkey_sizes, 1, MPI_INT, comm,
comm->c_coll->coll_allgather_module);
if (OMPI_SUCCESS != ret) {
goto error;
}
for (i = 0; i < comm_size; i++) {
ucp_ep_h ep = OSC_UCX_GET_EP(module->comm, i);
assert(ep != NULL);
memcpy(&(module->win_info_array[i]).addr, &recv_buf[disps[i]], sizeof(uint64_t));
memcpy(&(module->state_info_array[i]).addr, &recv_buf[disps[i] + sizeof(uint64_t)],
sizeof(uint64_t));
(module->win_info_array[i]).rkey_init = false;
if (size > 0 && (flavor == MPI_WIN_FLAVOR_ALLOCATE || flavor == MPI_WIN_FLAVOR_CREATE)) {
status = ucp_ep_rkey_unpack(ep, &(recv_buf[disps[i] + 2 * sizeof(uint64_t)]),
&((module->win_info_array[i]).rkey));
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_ep_rkey_unpack failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
(module->win_info_array[i]).rkey_init = true;
}
status = ucp_ep_rkey_unpack(ep, &(recv_buf[disps[i] + 2 * sizeof(uint64_t) + rkey_sizes[i]]),
&((module->state_info_array[i]).rkey));
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_ep_rkey_unpack failed: %d", status);
ret = OMPI_ERROR;
goto error;
}
(module->state_info_array[i]).rkey_init = true;
}
free(my_info);
free(recv_buf);
if (rkey_buffer_size != 0) {
ucp_rkey_buffer_release(rkey_buffer);
}
ucp_rkey_buffer_release(state_rkey_buffer);
module->state.lock = TARGET_LOCK_UNLOCKED;
module->state.post_index = 0;
memset((void *)module->state.post_state, 0, sizeof(uint64_t) * OMPI_OSC_UCX_POST_PEER_MAX);
module->state.complete_count = 0;
module->state.req_flag = 0;
module->state.acc_lock = TARGET_LOCK_UNLOCKED;
module->state.dynamic_win_count = 0;
for (i = 0; i < OMPI_OSC_UCX_ATTACH_MAX; i++) {
module->local_dynamic_win_info[i].refcnt = 0;
}
module->epoch_type.access = NONE_EPOCH;
module->epoch_type.exposure = NONE_EPOCH;
module->lock_count = 0;
module->post_count = 0;
module->start_group = NULL;
module->post_group = NULL;
OBJ_CONSTRUCT(&module->outstanding_locks, opal_hash_table_t);
OBJ_CONSTRUCT(&module->pending_posts, opal_list_t);
module->global_ops_num = 0;
module->per_target_ops_nums = calloc(comm_size, sizeof(int));
module->start_grp_ranks = NULL;
module->lock_all_is_nocheck = false;
ret = opal_hash_table_init(&module->outstanding_locks, comm_size);
if (ret != OPAL_SUCCESS) {
goto error;
}
win->w_osc_module = &module->super;
/* sync with everyone */
ret = module->comm->c_coll->coll_barrier(module->comm,
module->comm->c_coll->coll_barrier_module);
if (ret != OMPI_SUCCESS) {
goto error;
}
OSC_UCX_ASSERT(mca_osc_ucx_component.num_modules > 0);
if (1 == mca_osc_ucx_component.num_modules) {
ret = opal_progress_register(progress_callback);
if (OMPI_SUCCESS != ret) {
OSC_UCX_VERBOSE(1, "opal_progress_register failed: %d", ret);
goto error;
}
}
return ret;
error:
if (my_addr) ucp_worker_release_address(mca_osc_ucx_component.ucp_worker, my_addr);
if (recv_buf) free(recv_buf);
if (my_info) free(my_info);
for (i = 0; i < comm_size; i++) {
if ((module->win_info_array[i]).rkey != NULL) {
ucp_rkey_destroy((module->win_info_array[i]).rkey);
}
if ((module->state_info_array[i]).rkey != NULL) {
ucp_rkey_destroy((module->state_info_array[i]).rkey);
}
}
if (rkey_buffer) ucp_rkey_buffer_release(rkey_buffer);
if (state_rkey_buffer) ucp_rkey_buffer_release(state_rkey_buffer);
if (module->win_info_array) free(module->win_info_array);
if (module->state_info_array) free(module->state_info_array);
if (module->disp_units) free(module->disp_units);
if (module->comm) ompi_comm_free(&module->comm);
if (module->per_target_ops_nums) free(module->per_target_ops_nums);
if (eps_created) {
for (i = 0; i < comm_size; i++) {
ucp_ep_h ep = OSC_UCX_GET_EP(module->comm, i);
ucp_ep_destroy(ep);
}
}
if (module) {
free(module);
ompi_osc_ucx_unregister_progress();
}
error_nomem:
if (env_initialized == true) {
OBJ_DESTRUCT(&mca_osc_ucx_component.requests);
ucp_worker_destroy(mca_osc_ucx_component.ucp_worker);
ucp_cleanup(mca_osc_ucx_component.ucp_context);
mca_osc_ucx_component.env_initialized = false;
}
return ret;
}
int ompi_osc_find_attached_region_position(ompi_osc_dynamic_win_info_t *dynamic_wins,
int min_index, int max_index,
uint64_t base, size_t len, int *insert) {
int mid_index = (max_index + min_index) >> 1;
if (min_index > max_index) {
(*insert) = min_index;
return -1;
}
if (dynamic_wins[mid_index].base > base) {
return ompi_osc_find_attached_region_position(dynamic_wins, min_index, mid_index-1,
base, len, insert);
} else if (base + len < dynamic_wins[mid_index].base + dynamic_wins[mid_index].size) {
return mid_index;
} else {
return ompi_osc_find_attached_region_position(dynamic_wins, mid_index+1, max_index,
base, len, insert);
}
}
int ompi_osc_ucx_win_attach(struct ompi_win_t *win, void *base, size_t len) {
ompi_osc_ucx_module_t *module = (ompi_osc_ucx_module_t*) win->w_osc_module;
int insert_index = -1, contain_index;
void *rkey_buffer;
size_t rkey_buffer_size;
int ret = OMPI_SUCCESS;
ucs_status_t status;
if (module->state.dynamic_win_count >= OMPI_OSC_UCX_ATTACH_MAX) {
return OMPI_ERR_TEMP_OUT_OF_RESOURCE;
}
if (module->state.dynamic_win_count > 0) {
contain_index = ompi_osc_find_attached_region_position((ompi_osc_dynamic_win_info_t *)module->state.dynamic_wins,
0, (int)module->state.dynamic_win_count,
(uint64_t)base, len, &insert_index);
if (contain_index >= 0) {
module->local_dynamic_win_info[contain_index].refcnt++;
return ret;
}
assert(insert_index >= 0 && (uint64_t)insert_index < module->state.dynamic_win_count);
memmove((void *)&module->local_dynamic_win_info[insert_index+1],
(void *)&module->local_dynamic_win_info[insert_index],
(OMPI_OSC_UCX_ATTACH_MAX - (insert_index + 1)) * sizeof(ompi_osc_local_dynamic_win_info_t));
memmove((void *)&module->state.dynamic_wins[insert_index+1],
(void *)&module->state.dynamic_wins[insert_index],
(OMPI_OSC_UCX_ATTACH_MAX - (insert_index + 1)) * sizeof(ompi_osc_dynamic_win_info_t));
} else {
insert_index = 0;
}
ret = mem_map(&base, len, &(module->local_dynamic_win_info[insert_index].memh),
module, MPI_WIN_FLAVOR_CREATE);
if (ret != OMPI_SUCCESS) {
return ret;
}
module->state.dynamic_wins[insert_index].base = (uint64_t)base;
module->state.dynamic_wins[insert_index].size = len;
status = ucp_rkey_pack(mca_osc_ucx_component.ucp_context,
module->local_dynamic_win_info[insert_index].memh,
&rkey_buffer, (size_t *)&rkey_buffer_size);
if (status != UCS_OK) {
OSC_UCX_VERBOSE(1, "ucp_rkey_pack failed: %d", status);
return OMPI_ERROR;
}
assert(rkey_buffer_size <= OMPI_OSC_UCX_RKEY_BUF_MAX);
memcpy((char *)(module->state.dynamic_wins[insert_index].rkey_buffer),
(char *)rkey_buffer, rkey_buffer_size);
module->local_dynamic_win_info[insert_index].refcnt++;
module->state.dynamic_win_count++;
ucp_rkey_buffer_release(rkey_buffer);
return ret;
}
int ompi_osc_ucx_win_detach(struct ompi_win_t *win, const void *base) {
ompi_osc_ucx_module_t *module = (ompi_osc_ucx_module_t*) win->w_osc_module;
int insert, contain;
assert(module->state.dynamic_win_count > 0);
contain = ompi_osc_find_attached_region_position((ompi_osc_dynamic_win_info_t *)module->state.dynamic_wins,
0, (int)module->state.dynamic_win_count,
(uint64_t)base, 1, &insert);
assert(contain >= 0 && (uint64_t)contain < module->state.dynamic_win_count);
/* if we can't find region - just exit */
if (contain < 0) {
return OMPI_SUCCESS;
}
module->local_dynamic_win_info[contain].refcnt--;
if (module->local_dynamic_win_info[contain].refcnt == 0) {
ucp_mem_unmap(mca_osc_ucx_component.ucp_context,
module->local_dynamic_win_info[contain].memh);
memmove((void *)&(module->local_dynamic_win_info[contain]),
(void *)&(module->local_dynamic_win_info[contain+1]),
(OMPI_OSC_UCX_ATTACH_MAX - (contain + 1)) * sizeof(ompi_osc_local_dynamic_win_info_t));
memmove((void *)&module->state.dynamic_wins[contain],
(void *)&module->state.dynamic_wins[contain+1],
(OMPI_OSC_UCX_ATTACH_MAX - (contain + 1)) * sizeof(ompi_osc_dynamic_win_info_t));
module->state.dynamic_win_count--;
}
return OMPI_SUCCESS;
}
int ompi_osc_ucx_free(struct ompi_win_t *win) {
ompi_osc_ucx_module_t *module = (ompi_osc_ucx_module_t*) win->w_osc_module;
int i, ret;
assert(module->global_ops_num == 0);
assert(module->lock_count == 0);
assert(opal_list_is_empty(&module->pending_posts) == true);
OBJ_DESTRUCT(&module->outstanding_locks);
OBJ_DESTRUCT(&module->pending_posts);
while (module->state.lock != TARGET_LOCK_UNLOCKED) {
/* not sure if this is required */
ucp_worker_progress(mca_osc_ucx_component.ucp_worker);
}
ret = module->comm->c_coll->coll_barrier(module->comm,
module->comm->c_coll->coll_barrier_module);
for (i = 0; i < ompi_comm_size(module->comm); i++) {
if ((module->win_info_array[i]).rkey_init == true) {
ucp_rkey_destroy((module->win_info_array[i]).rkey);
(module->win_info_array[i]).rkey_init = false;
}
ucp_rkey_destroy((module->state_info_array[i]).rkey);
}
free(module->win_info_array);
free(module->state_info_array);
free(module->per_target_ops_nums);
if ((module->flavor == MPI_WIN_FLAVOR_ALLOCATE || module->flavor == MPI_WIN_FLAVOR_CREATE)
&& module->size > 0) {
ucp_mem_unmap(mca_osc_ucx_component.ucp_context, module->memh);
}
ucp_mem_unmap(mca_osc_ucx_component.ucp_context, module->state_memh);
if (module->disp_units) free(module->disp_units);
ompi_comm_free(&module->comm);
free(module);
ompi_osc_ucx_unregister_progress();
return ret;
}
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