if (request->flags & RECV) {
print_request("New recv", request);
-
- xbt_mutex_t mut=smpi_process_mailboxes_mutex();
- xbt_mutex_acquire(mut);
-
- if (request->flags & RMA || request->size < sg_cfg_get_int("smpi/async_small_thres")){
+
+ int async_small_thres = sg_cfg_get_int("smpi/async_small_thres");
+
+ xbt_mutex_t mut = smpi_process_mailboxes_mutex();
+ if (async_small_thres != 0 ||request->flags & RMA)
+ xbt_mutex_acquire(mut);
+
+ if (async_small_thres == 0 && !request->flags & RMA) {
+ mailbox = smpi_process_mailbox();
+ }
+ else if (request->flags & RMA || request->size < async_small_thres){
//We have to check both mailboxes (because SSEND messages are sent to the large mbox). begin with the more appropriate one : the small one.
mailbox = smpi_process_mailbox_small();
XBT_DEBUG("Is there a corresponding send already posted in the small mailbox %p (in case of SSEND)?", mailbox);
request->real_size=request->size;
smpi_datatype_use(request->old_type);
smpi_comm_use(request->comm);
- request->action = simcall_comm_irecv(mailbox, request->buf,
+ request->action = simcall_comm_irecv(SIMIX_process_self(), mailbox, request->buf,
&request->real_size, &match_recv,
!smpi_process_get_replaying()? &smpi_comm_copy_buffer_callback
: &smpi_comm_null_copy_buffer_callback,
request, -1.0);
XBT_DEBUG("recv simcall posted");
- xbt_mutex_release(mut);
+ if (async_small_thres != 0 || request->flags & RMA)
+ xbt_mutex_release(mut);
} else {
simcall_process_sleep(sleeptime);
XBT_DEBUG("sending size of %zu : sleep %f ", request->size, smpi_os(request->size));
}
-
+
+ int async_small_thres = sg_cfg_get_int("smpi/async_small_thres");
+
xbt_mutex_t mut=smpi_process_remote_mailboxes_mutex(receiver);
- xbt_mutex_acquire(mut);
-
- if (request->flags & RMA || request->size < sg_cfg_get_int("smpi/async_small_thres")) { // eager mode
+
+ if (async_small_thres != 0 ||request->flags & RMA)
+ xbt_mutex_acquire(mut);
+
+ if (!(async_small_thres != 0 ||request->flags & RMA)) {
+ mailbox = smpi_process_remote_mailbox(receiver);
+ }
+ else if (request->flags & RMA || request->size < async_small_thres) { // eager mode
mailbox = smpi_process_remote_mailbox(receiver);
XBT_DEBUG("Is there a corresponding recv already posted in the large mailbox %p?", mailbox);
smx_synchro_t action = simcall_comm_iprobe(mailbox, 1,request->dst, request->tag, &match_send, (void*)request);
if (request->action)
simcall_set_category(request->action, TRACE_internal_smpi_get_category());
- xbt_mutex_release(mut);
+ if (async_small_thres != 0 || request->flags & RMA)
+ xbt_mutex_release(mut);
}
}