find_model_description(surf_host_model_description, val);
}
-/* callback of the vm/model variable */
-static void _sg_cfg_cb__vm_model(const char *name)
-{
- xbt_assert(_sg_cfg_init_status < 2, "Cannot change the model after the initialization");
-
- char *val = xbt_cfg_get_string(name);
- if (!strcmp(val, "help")) {
- model_help("vm", surf_vm_model_description);
- sg_cfg_exit_early();
- }
-
- /* Make sure that the model exists */
- find_model_description(surf_vm_model_description, val);
-}
-
/* callback of the cpu/model variable */
static void _sg_cfg_cb__cpu_model(const char *name)
{
}
}
-static void _sg_cfg_cb__surf_network_coordinates(const char *name)
-{
- static int already_set = 0;
- int val = xbt_cfg_get_boolean(name);
- if (val) {
- if (!already_set) {
- COORD_HOST_LEVEL = sg_host_extension_create(xbt_dynar_free_voidp);
- COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
- }
- already_set = 1;
- } else
- if (already_set)
- xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
-}
-
static void _sg_cfg_cb__surf_network_crosstraffic(const char *name)
{
sg_network_crosstraffic = xbt_cfg_get_boolean(name);
/* create the config set, register what should be and parse the command line*/
void sg_config_init(int *argc, char **argv)
{
- int descsize = 1024;
- char description[1024];
+ const int descsize = 1024;
+ char description[descsize];
/* Create the configuration support */
if (_sg_cfg_init_status == 0) { /* Only create stuff if not already inited */
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" },
+ 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 = 0.00001,
- "surf/precision",
+
+ sg_surf_precision = 0.00001;
+ simgrid::config::bindFlag(sg_surf_precision, "surf/precision",
"Numerical precision used when updating simulation times (in seconds)");
- simgrid::config::bindFlag(sg_maxmin_precision = 0.00001,
- "maxmin/precision",
+
+ sg_maxmin_precision = 0.00001;
+ simgrid::config::bindFlag(sg_maxmin_precision, "maxmin/precision",
"Numerical precision used when computing resource sharing (in ops/sec or bytes/sec)");
+ sg_concurrency_limit = 100;
+ 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");
+
/* 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" },
+ sg_sender_gap = NAN;
+ simgrid::config::bindFlag(sg_sender_gap, { "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" },
+
+ sg_latency_factor = 1.0;
+ 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)");
- simgrid::config::bindFlag(sg_bandwidth_factor = 1.0,
- { "network/bandwidth-factor", "network/bandwidth_factor" },
+
+ sg_bandwidth_factor = 1.0;
+ 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)");
+
// real default for "network/weight-S" is set in network_*.cpp:
- simgrid::config::bindFlag(sg_weight_S_parameter = NAN,
- { "network/weight-S", "network/weight_S" },
+ sg_weight_S_parameter = NAN;
+ 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 */
"Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)");
#endif
- xbt_cfg_register_boolean("network/coordinates", "no", _sg_cfg_cb__surf_network_coordinates,
- "Whether we use a coordinate-based routing (as Vivaldi)");
-
xbt_cfg_register_boolean("network/crosstraffic", "yes", _sg_cfg_cb__surf_network_crosstraffic,
"Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)");
xbt_cfg_register_alias("smpi/IB-penalty-factors","smpi/IB_penalty_factors");
#if HAVE_SMPI
- xbt_cfg_register_double("smpi/running-power", 20000.0, nullptr, "Power of the host running the simulation (in flop/s). Used to bench the operations.");
- xbt_cfg_register_alias("smpi/running-power","smpi/running_power");
+ xbt_cfg_register_double("smpi/host-speed", 20000.0, nullptr, "Speed of the host running the simulation (in flop/s). Used to bench the operations.");
+ xbt_cfg_register_alias("smpi/host-speed","smpi/running_power");
+ xbt_cfg_register_alias("smpi/host-speed","smpi/running-power");
xbt_cfg_register_boolean("smpi/display-timing", "no", nullptr, "Whether we should display the timing after simulation.");
xbt_cfg_register_alias("smpi/display-timing", "smpi/display_timing");
xbt_cfg_register_boolean("smpi/privatize-global-variables", "no", nullptr, "Whether we should privatize global variable at runtime.");
xbt_cfg_register_alias("smpi/privatize-global-variables", "smpi/privatize_global_variables");
+ xbt_cfg_register_boolean("smpi/grow-injected-times", "yes", nullptr, "Whether we want to make the injected time in MPI_Iprobe and MPI_Test grow, to allow faster simulation. This can make simulation less precise, though.");
+
#if HAVE_PAPI
xbt_cfg_register_string("smpi/papi-events", nullptr, nullptr, "This switch enables tracking the specified counters with PAPI");
#endif
xbt_cfg_register_string("smpi/comp-adjustment-file", nullptr, nullptr, "A file containing speedups or slowdowns for some parts of the code.");
- xbt_cfg_register_string("smpi/os", "1:0:0:0:0", nullptr, "Small messages timings (MPI_Send minimum time for small messages)");
- xbt_cfg_register_string("smpi/ois", "1:0:0:0:0", nullptr, "Small messages timings (MPI_Isend minimum time for small messages)");
- xbt_cfg_register_string("smpi/or", "1:0:0:0:0", nullptr, "Small messages timings (MPI_Recv minimum time for small messages)");
+ xbt_cfg_register_string("smpi/os", "0:0:0:0:0", nullptr, "Small messages timings (MPI_Send minimum time for small messages)");
+ xbt_cfg_register_string("smpi/ois", "0:0:0:0:0", nullptr, "Small messages timings (MPI_Isend minimum time for small messages)");
+ xbt_cfg_register_string("smpi/or", "0:0:0:0:0", nullptr, "Small messages timings (MPI_Recv minimum time for small messages)");
xbt_cfg_register_string("smpi/coll-selector", "default", nullptr, "Which collective selector to use");
xbt_cfg_register_alias("smpi/coll-selector","smpi/coll_selector");
xbt_cfg_register_string("smpi/reduce", nullptr, &_check_coll_reduce, "Which collective to use for reduce");
#endif // HAVE_SMPI
+ /* Storage */
+
+ sg_storage_max_file_descriptors = 1024;
+ simgrid::config::bindFlag(sg_storage_max_file_descriptors, "storage/max_file_descriptors",
+ "Maximum number of concurrently opened files per host. Default is 1024");
+
+ /* Others */
+
xbt_cfg_register_boolean("exception/cutpath", "no", nullptr,
"Whether to cut all path information from call traces, used e.g. in exceptions.");
}
}
-void sg_config_finalize(void)
+void sg_config_finalize()
{
if (!_sg_cfg_init_status)
return; /* Not initialized yet. Nothing to do */