#ifdef SMPI_F2C
smpi_current_rank = index;
#endif
+
data = smpi_process_remote_data(index);
simcall_process_set_data(proc, data);
if (*argc > 2) {
// set the process attached to the mailbox
simcall_rdv_set_receiver(data->mailbox_small, proc);
XBT_DEBUG("<%d> New process in the game: %p", index, proc);
+
+ if(smpi_privatize_global_variables){
+ switch_data_segment(index);
+ }
+
}
if (smpi_process_data() == NULL)
xbt_die("smpi_process_data() returned NULL. You probably gave a NULL parameter to MPI_Init. Although it's required by MPI-2, this is currently not supported by SMPI.");
void smpi_process_destroy(void)
{
int index = smpi_process_index();
+ if(smpi_privatize_global_variables){
+ switch_data_segment(index);
+ }
process_data[index]->state = SMPI_FINALIZED;
XBT_DEBUG("<%d> Process left the game", index);
}
*/
void smpi_process_finalize(void)
{
+#if 0
+ // wait for all pending asynchronous comms to finish
+ while (SIMIX_process_has_pending_comms(SIMIX_process_self())) {
+ simcall_process_sleep(0.01);
+ }
+#else
int i;
int size = smpi_comm_size(MPI_COMM_WORLD);
int rank = smpi_comm_rank(MPI_COMM_WORLD);
smpi_mpi_waitall( size-1, requests+1, MPI_STATUSES_IGNORE );
free( requests );
}
-
+#endif
}
/**
{
XBT_DEBUG("Copy the data over");
if(_xbt_replay_is_active()) return;
- memcpy(comm->comm.dst_buff, buff, buff_size);
+ void* tmpbuff=buff;
+
+ if((smpi_privatize_global_variables)
+ && ((char*)buff >= start_data_exe)
+ && ((char*)buff < start_data_exe + size_data_exe )
+ ){
+ XBT_DEBUG("Privatization : We are copying from a zone inside global memory... Saving data to temp buffer !");
+ switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.src_proc))->index);
+ tmpbuff = (void*)xbt_malloc(buff_size);
+ memcpy(tmpbuff, buff, buff_size);
+ }
+
+
+ if((smpi_privatize_global_variables)
+ && ((char*)comm->comm.dst_buff >= start_data_exe)
+ && ((char*)comm->comm.dst_buff < start_data_exe + size_data_exe )
+ ){
+ XBT_DEBUG("Privatization : We are copying to a zone inside global memory - Switch data segment");
+ switch_data_segment(((smpi_process_data_t)SIMIX_process_get_data(comm->comm.dst_proc))->index);
+ }
+
+
+ memcpy(comm->comm.dst_buff, tmpbuff, buff_size);
if (comm->comm.detached) {
// if this is a detached send, the source buffer was duplicated by SMPI
// sender to make the original buffer available to the application ASAP
//inside the user data and should be free
comm->comm.src_buff = NULL;
}
+
+ if(tmpbuff!=buff)xbt_free(tmpbuff);
+
}
void smpi_global_init(void)
"Use the option \"--cfg=smpi/running_power:<flops>\" to set its value."
"Check http://simgrid.org/simgrid/latest/doc/options.html#options_smpi_bench for more information. ");
}
+ if(smpi_privatize_global_variables)
+ smpi_initialize_global_memory_segments();
}
void smpi_global_destroy(void)
}
xbt_free(process_data);
process_data = NULL;
-
+ if(smpi_privatize_global_variables)
+ smpi_destroy_global_memory_segments();
smpi_free_static();
}
smpi_cpu_threshold = sg_cfg_get_double("smpi/cpu_threshold");
smpi_running_power = sg_cfg_get_double("smpi/running_power");
+ smpi_privatize_global_variables = sg_cfg_get_boolean("smpi/privatize_global_variables");
if (smpi_cpu_threshold < 0)
smpi_cpu_threshold = DBL_MAX;