Add option "-t" for fixing a time limit on the simulation.

[loba.git] / process.cpp

diff --git a/process.cpp b/process.cpp
index b6afb49d8b23dded44cf25e0f6e958b77e1d3294..99bd0399e308d0281fb7c31074635aab069ec129 100644 (file)
--- a/process.cpp
+++ b/process.cpp
@@ -65,10 +65,21 @@ process::~process()
 
 int process::run()
 {
+    double next_iter_after_date = 0.0;
     INFO1("Initial load: %g", load);
     VERB0("Starting...");
     comp_iter = lb_iter = 0;
     while (true) {
+        if (opt::min_iter_duration) {
+            double now = MSG_get_clock();
+            if (now < next_iter_after_date){
+                double delay = next_iter_after_date - now;
+                DEBUG1("sleeping for %g s", delay);
+                MSG_process_sleep(next_iter_after_date - now);
+            }
+            next_iter_after_date = MSG_get_clock() + opt::min_iter_duration;
+        }
+
         if (load > 0.0) {
             ++comp_iter;
             if (opt::log_rate && comp_iter % opt::log_rate == 0) {
@@ -99,6 +110,10 @@ int process::run()
             break;
         if (opt::lb_maxiter && lb_iter >= opt::lb_maxiter)
             break;
+        if (opt::time_limit && MSG_get_clock() >= opt::time_limit) {
+            VERB2("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
+            break;
+        }
 
         // block on receiving unless there is something to compute or
         // to send
@@ -156,7 +171,7 @@ double process::sum_of_to_send() const
 double process::load_balance(double /*my_load*/)
 {
     if (lb_iter == 1)           // warn only once
-        WARN0("process::load_balance is a no-op!");
+        WARN0("process::load_balance() is a no-op!");
     return 0.0;
 }