int ompi_osc_rdma_raccumulate (const void *origin_addr, int origin_count,
struct ompi_datatype_t *origin_datatype, int target_rank,
OPAL_PTRDIFF_TYPE target_disp, int target_count,
struct ompi_datatype_t *target_datatype, struct ompi_op_t *op,
struct ompi_win_t *win, struct ompi_request_t **request)
{
ompi_osc_rdma_module_t *module = GET_MODULE(win);
ompi_osc_rdma_peer_t *peer;
ompi_osc_rdma_request_t *rdma_request;
ompi_osc_rdma_sync_t *sync;
int ret;
sync = ompi_osc_rdma_module_sync_lookup (module, target_rank, &peer);
if (OPAL_UNLIKELY(NULL == sync)) {
return OMPI_ERR_RMA_SYNC;
}
OPAL_OUTPUT_VERBOSE((50, ompi_osc_base_framework.framework_output, "racc: 0x%lx, %d, %s, %d, 0x%lx, %d, %s, %s, %s",
(unsigned long) origin_addr, origin_count, origin_datatype->name, target_rank,
(unsigned long) target_disp, target_count, target_datatype->name, op->o_name, win->w_name));
OMPI_OSC_RDMA_REQUEST_ALLOC(module, peer, rdma_request);
ret = ompi_osc_rdma_rget_accumulate_internal (sync, origin_addr, origin_count, origin_datatype, NULL, 0,
NULL, peer, target_rank, target_disp, target_count, target_datatype,
op, rdma_request);
if (OPAL_UNLIKELY(OMPI_SUCCESS != ret)) {
OMPI_OSC_RDMA_REQUEST_RETURN(rdma_request);
return ret;
}
*request = &rdma_request->super;
return OMPI_SUCCESS;
}
int ompi_osc_rdma_raccumulate(void *origin_addr, int origin_count,
struct ompi_datatype_t *origin_dt, int target,
OPAL_PTRDIFF_TYPE target_disp, int target_count,
struct ompi_datatype_t *target_dt, struct ompi_op_t *op,
struct ompi_win_t *win, struct ompi_request_t **request)
{
ompi_osc_rdma_request_t *rdma_request;
int ret;
OPAL_OUTPUT_VERBOSE((50, ompi_osc_base_framework.framework_output,
"raccumulate: 0x%lx, %d, %s, %d, %d, %d, %s, %s, %s",
(unsigned long) origin_addr, origin_count,
origin_dt->name, target, (int) target_disp,
target_count, target_dt->name, op->o_name,
win->w_name));
OMPI_OSC_RDMA_REQUEST_ALLOC(win, rdma_request);
if (NULL == rdma_request) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
/* short-circuit case */
if (0 == origin_count || 0 == target_count) {
ompi_osc_rdma_request_complete (rdma_request, MPI_SUCCESS);
*request = (ompi_request_t *) rdma_request;
return OMPI_SUCCESS;
}
rdma_request->type = OMPI_OSC_RDMA_HDR_TYPE_ACC;
ret = ompi_osc_rdma_accumulate_w_req (origin_addr, origin_count, origin_dt, target,
target_disp, target_count, target_dt, op, win,
rdma_request);
if (OMPI_SUCCESS != ret) {
OMPI_OSC_RDMA_REQUEST_RETURN(rdma_request);
return ret;
}
*request = (ompi_request_t *) rdma_request;
return OMPI_SUCCESS;
}
