- if (_sg_cfg_init_status == 0) { /* Only create stuff if not already inited */
-
- /* Plugins configuration */
- describe_model(description, surf_plugin_description, "plugin", "The plugins");
- xbt_cfg_register_string("plugin", nullptr, &_sg_cfg_cb__plugin, description);
-
- describe_model(description, surf_cpu_model_description, "model", "The model to use for the CPU");
- xbt_cfg_register_string("cpu/model", "Cas01", &_sg_cfg_cb__cpu_model, description);
-
- describe_model(description, surf_optimization_mode_description, "optimization mode", "The optimization modes to use for the CPU");
- xbt_cfg_register_string("cpu/optim", "Lazy", &_sg_cfg_cb__optimization_mode, description);
-
- describe_model(description, surf_storage_model_description, "model", "The model to use for the storage");
- xbt_cfg_register_string("storage/model", "default", &_sg_cfg_cb__storage_mode, description);
-
- describe_model(description, surf_network_model_description, "model", "The model to use for the network");
- xbt_cfg_register_string("network/model", "LV08", &_sg_cfg_cb__network_model, description);
-
- describe_model(description, surf_optimization_mode_description, "optimization mode", "The optimization modes to use for the network");
- xbt_cfg_register_string("network/optim", "Lazy", &_sg_cfg_cb__optimization_mode, description);
-
- describe_model(description, surf_host_model_description, "model", "The model to use for the host");
- xbt_cfg_register_string("host/model", "default", &_sg_cfg_cb__host_model, description);
-
- describe_model(description, surf_vm_model_description, "model", "The model to use for the vm");
- xbt_cfg_register_string("vm/model", "default", &_sg_cfg_cb__vm_model, description);
-
- xbt_cfg_register_double("network/TCP-gamma", 4194304.0, _sg_cfg_cb__tcp_gamma,
- "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; Use the last given value, which is the max window size)");
- xbt_cfg_register_alias("network/TCP-gamma","network/TCP_gamma");
- xbt_cfg_register_double("surf/precision", 0.00001, _sg_cfg_cb__surf_precision,
- "Numerical precision used when updating simulation times (in seconds)");
- xbt_cfg_register_double("maxmin/precision", 0.00001, _sg_cfg_cb__maxmin_precision,
- "Numerical precision used when computing resource sharing (in ops/sec or bytes/sec)");
-
- /* The parameters of network models */
-
- xbt_cfg_register_double("network/sender-gap", NAN, _sg_cfg_cb__sender_gap,
- "Minimum gap between two overlapping sends"); /* real default for "network/sender-gap" is set in network_smpi.cpp */
- xbt_cfg_register_alias("network/sender-gap","network/sender_gap");
- xbt_cfg_register_double("network/latency-factor", 1.0, _sg_cfg_cb__latency_factor,
- "Correction factor to apply to the provided latency (default value set by network model)");
- xbt_cfg_register_alias("network/latency-factor","network/latency_factor");
- xbt_cfg_register_double("network/bandwidth-factor", 1.0, _sg_cfg_cb__bandwidth_factor, "Correction factor to apply to the provided bandwidth (default value set by network model)");
- xbt_cfg_register_alias("network/bandwidth-factor","network/bandwidth_factor");
- xbt_cfg_register_double("network/weight-S", NAN, _sg_cfg_cb__weight_S, /* real default for "network/weight-S" is set in network_*.cpp */
- "Correction factor to apply to the weight of competing streams (default value set by network model)");
- xbt_cfg_register_alias("network/weight-S","network/weight_S");
-
- /* Inclusion path */
- xbt_cfg_register_string("path", "", _sg_cfg_cb__surf_path, "Lookup path for inclusions in platform and deployment XML files");
-
- xbt_cfg_register_boolean("cpu/maxmin-selective-update", "no", NULL,
- "Update the constraint set propagating recursively to others constraints (off by default when optim is set to lazy)");
- xbt_cfg_register_alias("cpu/maxmin-selective-update","cpu/maxmin_selective_update");
- xbt_cfg_register_boolean("network/maxmin-selective-update", "no", NULL,
- "Update the constraint set propagating recursively to others constraints (off by default when optim is set to lazy)");
- xbt_cfg_register_alias("network/maxmin-selective-update","network/maxmin_selective_update");
- /* Replay (this part is enabled even if MC it disabled) */
- xbt_cfg_register_string("model-check/replay", nullptr, _sg_cfg_cb_model_check_replay,
- "Model-check path to replay (as reported by SimGrid when a violation is reported)");
-
-#if HAVE_MC
+ if (_sg_cfg_init_status != 0) { /* Only create stuff if not already inited */
+ XBT_WARN("Call to sg_config_init() after initialization ignored");
+ return;
+ }
+
+ /* Plugins configuration */
+ describe_model(description, descsize, surf_plugin_description, "plugin", "The plugins");
+ xbt_cfg_register_string("plugin", "", &_sg_cfg_cb__plugin, description);
+
+ describe_model(description, descsize, surf_cpu_model_description, "model", "The model to use for the CPU");
+ xbt_cfg_register_string("cpu/model", "Cas01", &_sg_cfg_cb__cpu_model, description);
+
+ describe_model(description, descsize, surf_optimization_mode_description, "optimization mode",
+ "The optimization modes to use for the CPU");
+ xbt_cfg_register_string("cpu/optim", "Lazy", &_sg_cfg_cb__optimization_mode, description);
+
+ describe_model(description, descsize, surf_storage_model_description, "model", "The model to use for the storage");
+ xbt_cfg_register_string("storage/model", "default", &_sg_cfg_cb__storage_mode, description);
+
+ describe_model(description, descsize, surf_network_model_description, "model", "The model to use for the network");
+ xbt_cfg_register_string("network/model", "LV08", &_sg_cfg_cb__network_model, description);
+
+ describe_model(description, descsize, surf_optimization_mode_description, "optimization mode",
+ "The optimization modes to use for the network");
+ xbt_cfg_register_string("network/optim", "Lazy", &_sg_cfg_cb__optimization_mode, description);
+
+ describe_model(description, descsize, surf_host_model_description, "model", "The model to use for the host");
+ xbt_cfg_register_string("host/model", "default", &_sg_cfg_cb__host_model, description);
+
+ sg_tcp_gamma = 4194304.0;
+ simgrid::config::bindFlag(sg_tcp_gamma, {"network/TCP-gamma", "network/TCP_gamma"},
+ "Size of the biggest TCP window (cat /proc/sys/net/ipv4/tcp_[rw]mem for recv/send window; "
+ "Use the last given value, which is the max window size)");
+
+ simgrid::config::bindFlag(sg_surf_precision, "surf/precision",
+ "Numerical precision used when updating simulation times (in seconds)");
+
+ simgrid::config::bindFlag(sg_maxmin_precision, "maxmin/precision",
+ "Numerical precision used when computing resource sharing (in flops/sec or bytes/sec)");
+
+ simgrid::config::bindFlag(sg_concurrency_limit, "maxmin/concurrency-limit",
+ "Maximum number of concurrent variables in the maxmim system. Also limits the number of "
+ "processes on each host, at higher level. (default: -1 means no such limitation)");
+ xbt_cfg_register_alias("maxmin/concurrency-limit", "maxmin/concurrency_limit");
+
+ /* The parameters of network models */
+
+ sg_latency_factor = 13.01; // comes from the default LV08 network model
+ simgrid::config::bindFlag(sg_latency_factor, {"network/latency-factor", "network/latency_factor"},
+ "Correction factor to apply to the provided latency (default value set by network model)");
+
+ sg_bandwidth_factor = 0.97; // comes from the default LV08 network model
+ simgrid::config::bindFlag(
+ sg_bandwidth_factor, {"network/bandwidth-factor", "network/bandwidth_factor"},
+ "Correction factor to apply to the provided bandwidth (default value set by network model)");
+
+ sg_weight_S_parameter = 20537; // comes from the default LV08 network model
+ simgrid::config::bindFlag(
+ sg_weight_S_parameter, {"network/weight-S", "network/weight_S"},
+ "Correction factor to apply to the weight of competing streams (default value set by network model)");
+
+ /* Inclusion path */
+ simgrid::config::declareFlag<std::string>("path", "Lookup path for inclusions in platform and deployment XML files",
+ "", [](std::string const& path) {
+ if (path[0] != '\0') {
+ surf_path.push_back(path);
+ }
+ });
+
+ xbt_cfg_register_boolean("cpu/maxmin-selective-update", "no", nullptr, "Update the constraint set propagating "
+ "recursively to others constraints (off by "
+ "default when optim is set to lazy)");
+ xbt_cfg_register_alias("cpu/maxmin-selective-update", "cpu/maxmin_selective_update");
+ xbt_cfg_register_boolean("network/maxmin-selective-update", "no", nullptr, "Update the constraint set propagating "
+ "recursively to others constraints (off "
+ "by default when optim is set to lazy)");
+ xbt_cfg_register_alias("network/maxmin-selective-update", "network/maxmin_selective_update");
+ /* Replay (this part is enabled even if MC it disabled) */
+ xbt_cfg_register_string("model-check/replay", nullptr, _sg_cfg_cb_model_check_replay,
+ "Model-check path to replay (as reported by SimGrid when a violation is reported)");
+
+#if SIMGRID_HAVE_MC