static void action_compute(const char *const *action)
{
double clock = smpi_process_simulated_elapsed();
smpi_execute_flops(parse_double(action[2]));
log_timed_action (action, clock);
}
static void smpi_execute(double duration)
{
if (duration >= xbt_cfg_get_double(_surf_cfg_set, "smpi/cpu_threshold")) {
XBT_DEBUG("Sleep for %f to handle real computation time", duration);
smpi_execute_flops(duration *
xbt_cfg_get_double(_surf_cfg_set,
"smpi/running_power"));
}
}
static void action_compute(const char *const *action)
{
double clock = smpi_process_simulated_elapsed();
smpi_execute_flops(parse_double(action[2]));
if (XBT_LOG_ISENABLED(smpi_replay, xbt_log_priority_verbose)){
char *name = xbt_str_join_array(action, " ");
XBT_VERB("%s %f", name, smpi_process_simulated_elapsed()-clock);
free(name);
}
}
static void smpi_execute(double duration)
{
/* FIXME: a global variable would be less expensive to consult than a call to xbt_cfg_get_double() right on the critical path */
if (duration >= surf_cfg_get_double("smpi/cpu_threshold")) {
XBT_DEBUG("Sleep for %f to handle real computation time", duration);
smpi_execute_flops(duration *
surf_cfg_get_double("smpi/running_power"));
} else {
XBT_DEBUG("Real computation took %f while option smpi/cpu_threshold is set to %f => ignore it",
duration, surf_cfg_get_double("smpi/cpu_threshold"));
}
}
static void action_compute(const char *const *action)
{
CHECK_ACTION_PARAMS(action, 1, 0);
double clock = smpi_process_simulated_elapsed();
double flops= parse_double(action[2]);
int rank = smpi_process_index();
instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
extra->type=TRACING_COMPUTING;
extra->comp_size=flops;
TRACE_smpi_computing_in(rank, extra);
smpi_execute_flops(flops);
TRACE_smpi_computing_out(rank);
log_timed_action (action, clock);
}
void Timer::simulateComputeTime(bool doComm, compute_t *_exec) {
int sleep_duration = 0;
comp_time = sleep_duration = getCompTime();
#ifdef SMPI_SIMULATION_ACTIVATED
#ifdef SMPI_SIMULATION_TIME_INDEPENDENT
long long flops = getNumInst();
if (flops < 0) {
cerr << "PAPI num instruction overflow!" << endl;
exit(1);
}
//cout << "Simulating " << flops*1000.0 << " flops" << endl;
smpi_execute_flops(flops*1000.0); // Re-multiplying by 1000 (we had divided to avoid overflows)
#else
smpi_execute((double)comp_time / 1000000.0);
#endif
leftover = 0;
#else
if(doComm)
sleep_duration += getCommTime();
sleep_duration -= getTime ();
sleep_duration += leftover;
/*if(my_rank == doTestFor){
cout << comp_time << " " << sleep_duration << endl;
}*/
if(sleep_duration > 0 && _exec){
( *(_exec->func) )( _exec->param );
sleep_duration = getCompTime();
if(doComm)
sleep_duration += getCommTime();
sleep_duration -= getTime();
sleep_duration += leftover;
}
leftover = 0;
if (sleep_duration > 0){
leftover = busyWait(sleep_duration);
} else {
leftover = sleep_duration;
}
#endif
}
static void action_allReduce(const char *const *action) {
double comm_size = parse_double(action[2]);
double comp_size = parse_double(action[3]);
double clock = smpi_process_simulated_elapsed();
#ifdef HAVE_TRACING
int rank = smpi_comm_rank(MPI_COMM_WORLD);
TRACE_smpi_computing_out(rank);
TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
#endif
smpi_mpi_reduce(NULL, NULL, comm_size, MPI_BYTE, MPI_OP_NULL, 0, MPI_COMM_WORLD);
smpi_execute_flops(comp_size);
smpi_mpi_bcast(NULL, comm_size, MPI_BYTE, 0, MPI_COMM_WORLD);
#ifdef HAVE_TRACING
TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
TRACE_smpi_computing_in(rank);
#endif
if (XBT_LOG_ISENABLED(smpi_replay, xbt_log_priority_verbose)){
char *name = xbt_str_join_array(action, " ");
XBT_VERB("%s %f", name, smpi_process_simulated_elapsed()-clock);
free(name);
}
}
void smpi_sample_flops(double flops)
{
smpi_execute_flops(flops);
}
