/**
* \ingroup msg_simulation
* \brief Initialize MSG with less verifications
* You should use the MSG_init() function instead. Failing to do so may turn into PEBKAC some day. You've been warned.
*/
void MSG_init_nocheck(int *argc, char **argv) {
TRACE_global_init(argc, argv);
xbt_getpid = MSG_process_self_PID;
if (!msg_global) {
msg_global = xbt_new0(s_MSG_Global_t, 1);
xbt_cfg_register_boolean("msg/debug-multiple-use", "no", _sg_cfg_cb_msg_debug_multiple_use,
"Print backtraces of both processes when there is a conflict of multiple use of a task");
SIMIX_global_init(argc, argv);
msg_global->sent_msg = 0;
msg_global->task_copy_callback = nullptr;
msg_global->process_data_cleanup = nullptr;
SIMIX_function_register_process_create(MSG_process_create_from_SIMIX);
SIMIX_function_register_process_cleanup(MSG_process_cleanup_from_SIMIX);
simgrid::surf::on_postparse.connect(MSG_post_create_environment);
simgrid::s4u::Host::onCreation.connect([](simgrid::s4u::Host& host) {
MSG_host_create_(&host);
});
MSG_HOST_LEVEL = simgrid::s4u::Host::extension_create([](void *p) {
__MSG_host_priv_free((msg_host_priv_t) p);
});
}
if(MC_is_active()){
/* Ignore total amount of messages sent during the simulation for heap comparison */
MC_ignore_heap(&(msg_global->sent_msg), sizeof(msg_global->sent_msg));
}
XBT_DEBUG("ADD MSG LEVELS");
MSG_STORAGE_LEVEL = xbt_lib_add_level(storage_lib, (void_f_pvoid_t) __MSG_storage_destroy);
MSG_FILE_LEVEL = xbt_lib_add_level(file_lib, (void_f_pvoid_t) __MSG_file_destroy);
if(xbt_cfg_get_boolean("clean-atexit"))
atexit(MSG_exit);
}
/* create the config set, register what should be and parse the command line*/
void sg_config_init(int *argc, char **argv)
{
char description[1024];
/* Create the configuration support */
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);
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" },
"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" },
"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') {
char* copy = xbt_strdup(path.c_str());
xbt_dynar_push(surf_path, ©);
}
});
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
/* do model-checking-record */
xbt_cfg_register_boolean("model-check/record", "no", _sg_cfg_cb_model_check_record, "Record the model-checking paths");
xbt_cfg_register_int("model-check/checkpoint", 0, _mc_cfg_cb_checkpoint,
"Specify the amount of steps between checkpoints during stateful model-checking (default: 0 => stateless verification). "
"If value=1, one checkpoint is saved for each step => faster verification, but huge memory consumption; higher values are good compromises between speed and memory consumption.");
xbt_cfg_register_boolean("model-check/sparse-checkpoint", "no", _mc_cfg_cb_sparse_checkpoint, "Use sparse per-page snapshots.");
xbt_cfg_register_boolean("model-check/ksm", "no", _mc_cfg_cb_ksm, "Kernel same-page merging");
xbt_cfg_register_string("model-check/property","", _mc_cfg_cb_property,
"Name of the file containing the property, as formated by the ltl2ba program.");
xbt_cfg_register_boolean("model-check/communications-determinism", "no", _mc_cfg_cb_comms_determinism,
"Whether to enable the detection of communication determinism");
xbt_cfg_register_alias("model-check/communications-determinism","model-check/communications_determinism");
xbt_cfg_register_boolean("model-check/send-determinism", "no", _mc_cfg_cb_send_determinism,
"Enable/disable the detection of send-determinism in the communications schemes");
xbt_cfg_register_alias("model-check/send-determinism","model-check/send_determinism");
/* Specify the kind of model-checking reduction */
xbt_cfg_register_string("model-check/reduction", "dpor", _mc_cfg_cb_reduce,
"Specify the kind of exploration reduction (either none or DPOR)");
xbt_cfg_register_boolean("model-check/timeout", "no", _mc_cfg_cb_timeout,
"Whether to enable timeouts for wait requests");
xbt_cfg_register_boolean("model-check/hash", "no", _mc_cfg_cb_hash, "Whether to enable state hash for state comparison (experimental)");
xbt_cfg_register_boolean("model-check/snapshot-fds", "no", _mc_cfg_cb_snapshot_fds,
"Whether file descriptors must be snapshoted (currently unusable)");
xbt_cfg_register_alias("model-check/snapshot-fds","model-check/snapshot_fds");
xbt_cfg_register_int("model-check/max-depth", 1000, _mc_cfg_cb_max_depth, "Maximal exploration depth (default: 1000)");
xbt_cfg_register_alias("model-check/max-depth","model-check/max_depth");
xbt_cfg_register_int("model-check/visited", 0, _mc_cfg_cb_visited,
"Specify the number of visited state stored for state comparison reduction. If value=5, the last 5 visited states are stored. If value=0 (the default), all states are stored.");
xbt_cfg_register_string("model-check/dot-output", "", _mc_cfg_cb_dot_output, "Name of dot output file corresponding to graph state");
xbt_cfg_register_alias("model-check/dot-output","model-check/dot_output");
xbt_cfg_register_boolean("model-check/termination", "no", _mc_cfg_cb_termination, "Whether to enable non progressive cycle detection");
#endif
xbt_cfg_register_boolean("verbose-exit", "yes", _sg_cfg_cb_verbose_exit, "Activate the \"do nothing\" mode in Ctrl-C");
xbt_cfg_register_int("contexts/stack-size", 8*1024, _sg_cfg_cb_context_stack_size, "Stack size of contexts in KiB");
/* (FIXME: this is unpleasant) Reset this static variable that was altered when setting the default value. */
smx_context_stack_size_was_set = 0;
xbt_cfg_register_alias("contexts/stack-size","contexts/stack_size");
/* guard size for contexts stacks in memory pages */
xbt_cfg_register_int("contexts/guard-size",
#if defined(_WIN32) || (PTH_STACKGROWTH != -1)
0,
#else
1,
#endif
_sg_cfg_cb_context_guard_size, "Guard size for contexts stacks in memory pages");
/* No, it was not set yet (the above setdefault() changed this to 1). */
smx_context_guard_size_was_set = 0;
xbt_cfg_register_alias("contexts/guard-size","contexts/guard_size");
xbt_cfg_register_int("contexts/nthreads", 1, _sg_cfg_cb_contexts_nthreads, "Number of parallel threads used to execute user contexts");
xbt_cfg_register_int("contexts/parallel-threshold", 2, _sg_cfg_cb_contexts_parallel_threshold,
"Minimal number of user contexts to be run in parallel (raw contexts only)");
xbt_cfg_register_alias("contexts/parallel-threshold","contexts/parallel_threshold");
/* synchronization mode for parallel user contexts */
#if HAVE_FUTEX_H
xbt_cfg_register_string("contexts/synchro", "futex", _sg_cfg_cb_contexts_parallel_mode,
"Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)");
#else //No futex on mac and posix is unimplememted yet
xbt_cfg_register_string("contexts/synchro", "busy_wait", _sg_cfg_cb_contexts_parallel_mode,
"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)");
//For smpi/bw_factor and smpi/lat_factor
// SMPI model can be used without enable_smpi, so keep this out of the ifdef.
xbt_cfg_register_string("smpi/bw-factor",
"65472:0.940694;15424:0.697866;9376:0.58729;5776:1.08739;3484:0.77493;1426:0.608902;732:0.341987;257:0.338112;0:0.812084", NULL,
"Bandwidth factors for smpi. Format: 'threshold0:value0;threshold1:value1;...;thresholdN:valueN', meaning if(size >=thresholdN ) return valueN.");
xbt_cfg_register_alias("smpi/bw-factor","smpi/bw_factor");
xbt_cfg_register_string("smpi/lat-factor",
"65472:11.6436;15424:3.48845;9376:2.59299;5776:2.18796;3484:1.88101;1426:1.61075;732:1.9503;257:1.95341;0:2.01467", NULL, "Latency factors for smpi.");
xbt_cfg_register_alias("smpi/lat-factor","smpi/lat_factor");
xbt_cfg_register_string("smpi/IB-penalty-factors", "0.965;0.925;1.35", NULL,
"Correction factor to communications using Infiniband model with contention (default value based on Stampede cluster profiling)");
xbt_cfg_register_alias("smpi/IB-penalty-factors","smpi/IB_penalty_factors");
#if HAVE_SMPI
xbt_cfg_register_double("smpi/running-power", 20000.0, NULL, "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_boolean("smpi/display-timing", "no", NULL, "Whether we should display the timing after simulation.");
xbt_cfg_register_alias("smpi/display-timing", "smpi/display_timing");
xbt_cfg_register_boolean("smpi/simulate-computation", "yes", NULL, "Whether the computational part of the simulated application should be simulated.");
xbt_cfg_register_alias("smpi/simulate-computation","smpi/simulate_computation");
xbt_cfg_register_boolean("smpi/use-shared-malloc", "yes", NULL, "Whether SMPI_SHARED_MALLOC is enabled. Disable it for debugging purposes.");
xbt_cfg_register_alias("smpi/use-shared-malloc", "smpi/use_shared_malloc");
xbt_cfg_register_double("smpi/cpu-threshold", 1e-6, NULL, "Minimal computation time (in seconds) not discarded, or -1 for infinity.");
xbt_cfg_register_alias("smpi/cpu-threshold", "smpi/cpu_threshold");
xbt_cfg_register_int("smpi/async-small-thresh", 0, NULL,
"Maximal size of messages that are to be sent asynchronously, without waiting for the receiver");
xbt_cfg_register_alias("smpi/async-small-thresh","smpi/async_small_thresh");
xbt_cfg_register_alias("smpi/async-small-thresh","smpi/async_small_thres");
xbt_cfg_register_int("smpi/send-is-detached-thresh", 65536, NULL,
"Threshold of message size where MPI_Send stops behaving like MPI_Isend and becomes MPI_Ssend");
xbt_cfg_register_alias("smpi/send-is-detached-thresh","smpi/send_is_detached_thresh");
xbt_cfg_register_alias("smpi/send-is-detached-thresh","smpi/send_is_detached_thres");
xbt_cfg_register_boolean("smpi/privatize-global-variables", "no", NULL, "Whether we should privatize global variable at runtime.");
xbt_cfg_register_alias("smpi/privatize-global-variables", "smpi/privatize_global_variables");
xbt_cfg_register_string("smpi/os", "1:0:0:0:0", NULL, "Small messages timings (MPI_Send minimum time for small messages)");
xbt_cfg_register_string("smpi/ois", "1:0:0:0:0", NULL, "Small messages timings (MPI_Isend minimum time for small messages)");
xbt_cfg_register_string("smpi/or", "1:0:0:0:0", NULL, "Small messages timings (MPI_Recv minimum time for small messages)");
xbt_cfg_register_string("smpi/coll-selector", "default", NULL, "Which collective selector to use");
xbt_cfg_register_alias("smpi/coll-selector","smpi/coll_selector");
xbt_cfg_register_string("smpi/gather", nullptr, &_check_coll_gather, "Which collective to use for gather");
xbt_cfg_register_string("smpi/allgather", nullptr, &_check_coll_allgather, "Which collective to use for allgather");
xbt_cfg_register_string("smpi/barrier", nullptr, &_check_coll_barrier, "Which collective to use for barrier");
xbt_cfg_register_string("smpi/reduce-scatter",nullptr, &_check_coll_reduce_scatter, "Which collective to use for reduce_scatter");
xbt_cfg_register_alias("smpi/reduce-scatter","smpi/reduce_scatter");
xbt_cfg_register_string("smpi/scatter", nullptr, &_check_coll_scatter, "Which collective to use for scatter");
xbt_cfg_register_string("smpi/allgatherv", nullptr, &_check_coll_allgatherv, "Which collective to use for allgatherv");
xbt_cfg_register_string("smpi/allreduce", nullptr, &_check_coll_allreduce, "Which collective to use for allreduce");
xbt_cfg_register_string("smpi/alltoall", nullptr, &_check_coll_alltoall, "Which collective to use for alltoall");
xbt_cfg_register_string("smpi/alltoallv", nullptr, &_check_coll_alltoallv,"Which collective to use for alltoallv");
xbt_cfg_register_string("smpi/bcast", nullptr, &_check_coll_bcast, "Which collective to use for bcast");
xbt_cfg_register_string("smpi/reduce", nullptr, &_check_coll_reduce, "Which collective to use for reduce");
#endif // HAVE_SMPI
xbt_cfg_register_boolean("exception/cutpath", "no", NULL,
"Whether to cut all path information from call traces, used e.g. in exceptions.");
xbt_cfg_register_boolean("clean-atexit", "yes", _sg_cfg_cb_clean_atexit,
"Whether to cleanup SimGrid at exit. Disable it if your code segfaults after its end.");
xbt_cfg_register_alias("clean-atexit","clean_atexit");
if (!surf_path) {
/* retrieves the current directory of the current process */
const char *initial_path = __surf_get_initial_path();
xbt_assert((initial_path), "__surf_get_initial_path() failed! Can't resolve current Windows directory");
surf_path = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
xbt_cfg_setdefault_string("path", initial_path);
}
_sg_cfg_init_status = 1;
sg_config_cmd_line(argc, argv);
xbt_mallocator_initialization_is_done(SIMIX_context_is_parallel());
} else {
XBT_WARN("Call to sg_config_init() after initialization ignored");
}
}
