static ucs_status_t ucp_tag_eager_contig_short(uct_pending_req_t *self)
{
ucp_request_t *req = ucs_container_of(self, ucp_request_t, send.uct);
ucp_ep_t *ep = req->send.ep;
ucs_status_t status;
status = ucp_tag_send_eager_short(ep, req->send.tag, req->send.buffer,
req->send.length);
if (status != UCS_OK) {
return status;
}
ucp_request_complete(req, req->cb.send, UCS_OK);
return UCS_OK;
}
static UCS_F_ALWAYS_INLINE ucs_status_t
ucp_tag_send_try(ucp_ep_h ep, const void *buffer, size_t count,
ucp_datatype_t datatype, ucp_tag_t tag)
{
size_t length;
if ((datatype & UCP_DATATYPE_CLASS_MASK) == UCP_DATATYPE_CONTIG) {
length = ucp_contig_dt_length(datatype, count);
if (length <= ep->config.max_short_egr) {
return ucp_tag_send_eager_short(ep, tag, buffer, length);
}
}
return UCS_ERR_NO_RESOURCE; /* Fallback to slower progress */
}
ucs_status_ptr_t ucp_tag_send_nb(ucp_ep_h ep, const void *buffer, size_t count,
uintptr_t datatype, ucp_tag_t tag,
ucp_send_callback_t cb)
{
ucs_status_t status;
ucp_request_t *req;
size_t length;
ucs_trace_req("send_nb buffer %p count %zu tag %"PRIx64" to %s cb %p",
buffer, count, tag, ucp_ep_peer_name(ep), cb);
if (ucs_likely((datatype & UCP_DATATYPE_CLASS_MASK) == UCP_DATATYPE_CONTIG)) {
length = ucp_contig_dt_length(datatype, count);
UCS_INSTRUMENT_RECORD(UCS_INSTRUMENT_TYPE_UCP_TX,
"ucp_tag_send_nb (eager - start)",
buffer, length);
if (ucs_likely(length <= ucp_ep_config(ep)->max_eager_short)) {
status = ucp_tag_send_eager_short(ep, tag, buffer, length);
if (ucs_likely(status != UCS_ERR_NO_RESOURCE)) {
UCS_INSTRUMENT_RECORD(UCS_INSTRUMENT_TYPE_UCP_TX,
"ucp_tag_send_nb (eager - finish)",
buffer, length);
return UCS_STATUS_PTR(status); /* UCS_OK also goes here */
}
}
}
req = ucp_request_get(ep->worker);
if (req == NULL) {
return UCS_STATUS_PTR(UCS_ERR_NO_MEMORY);
}
UCS_INSTRUMENT_RECORD(UCS_INSTRUMENT_TYPE_UCP_TX, "ucp_tag_send_nb", req,
ucp_dt_length(datatype, count, buffer, &req->send.state));
ucp_tag_send_req_init(req, ep, buffer, datatype, tag);
return ucp_tag_send_req(req, count,
ucp_ep_config(ep)->max_eager_short,
ucp_ep_config(ep)->zcopy_thresh,
ucp_ep_config(ep)->rndv_thresh,
cb, &ucp_tag_eager_proto);
}
