- if (_sg_cfg_init_status == 0) { /* Only create stuff if not already inited */
-
- /* Plugins configuration */
- describe_model(description,descsize, surf_plugin_description, "plugin", "The plugins");
- xbt_cfg_register_string("plugin", nullptr, &_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);
-
- describe_model(description,descsize, 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);
-
- simgrid::config::bindFlag(sg_tcp_gamma = 4194304.0,
- { "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 = 0.00001,
- "surf/precision",
- "Numerical precision used when updating simulation times (in seconds)");
- simgrid::config::bindFlag(sg_maxmin_precision = 0.00001,
- "maxmin/precision",
- "Numerical precision used when computing resource sharing (in ops/sec or bytes/sec)");
-
- /* The parameters of network models */
-
- // real default for "network/sender-gap" is set in network_smpi.cpp:
- simgrid::config::bindFlag(sg_sender_gap = NAN,
- { "network/sender-gap", "network/sender_gap" },
- "Minimum gap between two overlapping sends");
- simgrid::config::bindFlag(sg_latency_factor = 1.0,
- { "network/latency-factor", "network/latency_factor" },
- "Correction factor to apply to the provided latency (default value set by network model)");
- simgrid::config::bindFlag(sg_bandwidth_factor = 1.0,
- { "network/bandwidth-factor", "network/bandwidth_factor" },
+ 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"},