Revert "Remove parmap from surf."

[simgrid.git] / src / simgrid / sg_config.c

diff --git a/src/simgrid/sg_config.c b/src/simgrid/sg_config.c
index b812c87..4203815 100644 (file)
--- a/src/simgrid/sg_config.c
+++ b/src/simgrid/sg_config.c
@@ -389,6 +389,11 @@ static void _sg_cfg_cb__surf_network_coordinates(const char *name,
       xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
 }
 
+static void _sg_cfg_cb_surf_nthreads(const char *name, int pos)
+{
+  surf_set_nthreads(xbt_cfg_get_int(_sg_cfg_set, name));
+}
+
 static void _sg_cfg_cb__surf_network_crosstraffic(const char *name,
                                                   int pos)
 {
@@ -658,6 +663,13 @@ void sg_config_init(int *argc, char **argv)
     xbt_cfg_setdefault_string(_sg_cfg_set, "contexts/synchro", "busy_wait");
 #endif
 
+    /* number of parallel threads for Surf */
+    xbt_cfg_register(&_sg_cfg_set, "surf/nthreads",
+                     "Number of parallel threads used to update Surf models",
+                     xbt_cfgelm_int, NULL, 1, 1,
+                     _sg_cfg_cb_surf_nthreads, NULL);
+    xbt_cfg_setdefault_int(_sg_cfg_set, "surf/nthreads", surf_get_nthreads());
+
     xbt_cfg_register(&_sg_cfg_set, "network/coordinates",
                      "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
                      xbt_cfgelm_boolean, 1, 1, _sg_cfg_cb__surf_network_coordinates, NULL);