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[SMPI] Prohibit execution of negative flops
[simgrid.git] / src / smpi / internals / smpi_global.cpp
index 30c5bee..069b7f2 100644 (file)
@@ -368,6 +368,7 @@ static void smpi_init_options(){
   simgrid::smpi::Colls::smpi_coll_cleanup_callback = nullptr;
   smpi_cpu_threshold                               = xbt_cfg_get_double("smpi/cpu-threshold");
   smpi_host_speed                                  = xbt_cfg_get_double("smpi/host-speed");
+  xbt_assert(smpi_host_speed >= 0, "You're trying to set the host_speed to a negative value (%f)", smpi_host_speed);
   std::string smpi_privatize_option                = xbt_cfg_get_string("smpi/privatization");
   if (smpi_privatize_option == "no" || smpi_privatize_option == "0")
     smpi_privatize_global_variables = SMPI_PRIVATIZE_NONE;