printf
("Description of the configuration accepted by this simulator:\n");
xbt_cfg_help(_surf_cfg_set);
- printf
- ("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
+ printf("\nYou can also use --help-models to see the details of all models known by this simulator.\n");
#ifdef HAVE_TRACING
- printf
- ("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
+ printf("\nYou can also use --help-tracing to see the details of all tracing options known by this simulator.\n");
#endif
exit(0);
- } else
- if (!strncmp
- (argv[i], "--help-models", strlen("--help-models") + 1)) {
+ } else if (!strncmp(argv[i], "--help-models", strlen("--help-models") + 1)) {
model_help("workstation", surf_workstation_model_description);
+ printf("\n");
model_help("CPU", surf_cpu_model_description);
+ printf("\n");
model_help("network", surf_network_model_description);
+ printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
+ for (i = 0; surf_optimization_mode_description[i].name; i++)
+ printf(" %s: %s\n", surf_optimization_mode_description[i].name, surf_optimization_mode_description[i].description);
+ printf("Both network and CPU models have 'Lazy' as default optimization level\n");
exit(0);
#ifdef HAVE_TRACING
- }else
- if (!strncmp
- (argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
+ } else if (!strncmp(argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
TRACE_help (1);
exit(0);
#endif
find_model_description(surf_cpu_model_description, val);
}
+/* callback of the cpu/model variable */
+static void _surf_cfg_cb__optimization_mode(const char *name, int pos)
+{
+ char *val;
+
+ xbt_assert(_surf_init_status < 2,
+ "Cannot change the model after the initialization");
+
+ val = xbt_cfg_get_string(_surf_cfg_set, name);
+
+ if (!strcmp(val, "help")) {
+ model_help("optimization", surf_optimization_mode_description);
+ exit(0);
+ }
+
+ /* New Module missing */
+ find_model_description(surf_optimization_mode_description, val);
+}
+
/* callback of the workstation_model variable */
static void _surf_cfg_cb__network_model(const char *name, int pos)
{
sg_weight_S_parameter = xbt_cfg_get_double(_surf_cfg_set, name);
}
-static void _surf_cfg_cb__surf_maxmin_selective_update(const char *name,
- int pos)
-{
- sg_maxmin_selective_update = xbt_cfg_get_int(_surf_cfg_set, name);
-}
-
/* callback of the inclusion path */
static void _surf_cfg_cb__surf_path(const char *name, int pos)
{
SIMIX_context_set_parallel_threshold(xbt_cfg_get_int(_surf_cfg_set, name));
}
+static void _surf_cfg_cb_contexts_parallel_mode(const char *name, int pos)
+{
+ const char* mode_name = xbt_cfg_get_string(_surf_cfg_set, name);
+ if (!strcmp(mode_name, "posix")) {
+ SIMIX_context_set_parallel_mode(XBT_PARMAP_POSIX);
+ }
+ else if (!strcmp(mode_name, "futex")) {
+ SIMIX_context_set_parallel_mode(XBT_PARMAP_FUTEX);
+ }
+ else if (!strcmp(mode_name, "busy_wait")) {
+ SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
+ }
+ else {
+ XBT_WARN("Command line setting of the parallel synchronization mode should "
+ "be one of \"posix\", \"futex\" or \"busy_wait\"");
+ }
+}
+
static void _surf_cfg_cb__surf_network_coordinates(const char *name,
int pos)
{
}
} else if (!strcmp(val, "no")) {
if (COORD_HOST_LEVEL)
- XBT_WARN("Cannot disable CMD prop coordinates, once set.");
+ xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
} else {
- XBT_WARN("Setting CMD prop coordinates must be \"yes\" or \"no\"");
+ xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
}
}
-static void _surf_cfg_cb__surf_network_fullduplex(const char *name,
+static void _surf_cfg_cb__surf_network_crosstraffic(const char *name,
int pos)
{
- sg_network_fullduplex = xbt_cfg_get_int(_surf_cfg_set, name);
+ sg_network_crosstraffic = xbt_cfg_get_int(_surf_cfg_set, name);
}
#ifdef HAVE_GTNETS
sprintf(p,
".\n (use 'help' as a value to see the long description of each model)");
default_value = xbt_strdup("Cas01");
- xbt_cfg_register(&_surf_cfg_set,
- "cpu/model", description, xbt_cfgelm_string,
+ xbt_cfg_register(&_surf_cfg_set, "cpu/model", description, xbt_cfgelm_string,
&default_value, 1, 1, &_surf_cfg_cb__cpu_model, NULL);
+ sprintf(description,
+ "The optimization modes to use for the CPU. Possible values: ");
+ p = description;
+ while (*(++p) != '\0');
+ for (i = 0; surf_optimization_mode_description[i].name; i++)
+ p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+ surf_optimization_mode_description[i].name);
+ sprintf(p,
+ ".\n (use 'help' as a value to see the long description of each optimization mode)");
+ default_value = xbt_strdup("Lazy");
+ xbt_cfg_register(&_surf_cfg_set, "cpu/optim", description, xbt_cfgelm_string,
+ &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
+
sprintf(description,
"The model to use for the network. Possible values: ");
p = description;
sprintf(p,
".\n (use 'help' as a value to see the long description of each model)");
default_value = xbt_strdup("LV08");
- xbt_cfg_register(&_surf_cfg_set,
- "network/model", description, xbt_cfgelm_string,
+ xbt_cfg_register(&_surf_cfg_set, "network/model", description, xbt_cfgelm_string,
&default_value, 1, 1, &_surf_cfg_cb__network_model,
NULL);
+ sprintf(description,
+ "The optimization modes to use for the network. Possible values: ");
+ p = description;
+ while (*(++p) != '\0');
+ for (i = 0; surf_optimization_mode_description[i].name; i++)
+ p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+ surf_optimization_mode_description[i].name);
+ sprintf(p,
+ ".\n (use 'help' as a value to see the long description of each optimization mode)");
+ default_value = xbt_strdup("Lazy");
+ xbt_cfg_register(&_surf_cfg_set, "network/optim", description, xbt_cfgelm_string,
+ &default_value, 1, 1, &_surf_cfg_cb__optimization_mode, NULL);
+
sprintf(description,
"The model to use for the workstation. Possible values: ");
p = description;
surf_workstation_model_description[i].name);
sprintf(p,
".\n (use 'help' as a value to see the long description of each model)");
- default_value = xbt_strdup("CLM03");
- xbt_cfg_register(&_surf_cfg_set,
- "workstation/model", description, xbt_cfgelm_string,
+ default_value = xbt_strdup("default");
+ xbt_cfg_register(&_surf_cfg_set, "workstation/model", description, xbt_cfgelm_string,
&default_value, 1, 1,
&_surf_cfg_cb__workstation_model, NULL);
xbt_free(description);
- default_value = xbt_strdup("Full");
- xbt_cfg_register(&_surf_cfg_set, "routing",
- "Model to use to store the routing information",
- xbt_cfgelm_string, &default_value, 1, 1, NULL, NULL);
-
- xbt_cfg_register(&_surf_cfg_set, "TCP_gamma",
+ xbt_cfg_register(&_surf_cfg_set, "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)",
xbt_cfgelm_double, NULL, 1, 1,
_surf_cfg_cb__tcp_gamma, NULL);
- xbt_cfg_setdefault_double(_surf_cfg_set, "TCP_gamma", 20000.0);
+ xbt_cfg_setdefault_double(_surf_cfg_set, "network/TCP_gamma", 20000.0);
xbt_cfg_register(&_surf_cfg_set, "maxmin/precision",
- "Minimum retained action value when updating simulation",
+ "Numerical precision used when updating simulation models (epsilon in double comparisons)",
xbt_cfgelm_double, NULL, 1, 1, _surf_cfg_cb__maxmin_precision, NULL);
xbt_cfg_setdefault_double(_surf_cfg_set, "maxmin/precision", 0.00001); // FIXME use setdefault everywhere here!
_surf_cfg_cb__surf_path, NULL);
default_value_int = 0;
- xbt_cfg_register(&_surf_cfg_set, "maxmin_selective_update",
- "Update the constraint set propagating recursively to others constraints",
+ xbt_cfg_register(&_surf_cfg_set, "cpu/maxmin_selective_update",
+ "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
+ xbt_cfgelm_int, &default_value_int, 0, 1,
+ NULL, NULL);
+ default_value_int = 0;
+ xbt_cfg_register(&_surf_cfg_set, "network/maxmin_selective_update",
+ "Update the constraint set propagating recursively to others constraints (1 by default when optim is set to lazy)",
xbt_cfgelm_int, &default_value_int, 0, 1,
- _surf_cfg_cb__surf_maxmin_selective_update, NULL);
+ NULL, NULL);
/* do model-check */
default_value_int = 0;
xbt_cfg_set_int(_surf_cfg_set, "model-check", default_value_int); */
/* do verbose-exit */
- default_value_int = 0;
+ default_value_int = 1;
xbt_cfg_register(&_surf_cfg_set, "verbose-exit",
"Activate the \"do nothing\" mode in Ctrl-C",
xbt_cfgelm_int, &default_value_int, 0, 1,
/* stack size of contexts in Ko */
default_value_int = 128;
xbt_cfg_register(&_surf_cfg_set, "contexts/stack_size",
- "Stack size of contexts in Ko (ucontext or raw only)",
+ "Stack size of contexts in Kib (ucontext or raw only)",
xbt_cfgelm_int, &default_value_int, 1, 1,
_surf_cfg_cb_context_stack_size, NULL);
/* number of parallel threads for user processes */
default_value_int = 1;
xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
- "Number of parallel threads for user contexts (EXPERIMENTAL)",
+ "Number of parallel threads used to execute user contexts",
xbt_cfgelm_int, &default_value_int, 1, 1,
_surf_cfg_cb_contexts_nthreads, NULL);
/* minimal number of user contexts to be run in parallel */
- default_value_int = 1;
+ default_value_int = 2;
xbt_cfg_register(&_surf_cfg_set, "contexts/parallel_threshold",
"Minimal number of user contexts to be run in parallel (raw contexts only)",
xbt_cfgelm_int, &default_value_int, 1, 1,
_surf_cfg_cb_contexts_parallel_threshold, NULL);
+ /* minimal number of user contexts to be run in parallel */
+ default_value = xbt_strdup("futex");
+ xbt_cfg_register(&_surf_cfg_set, "contexts/synchro",
+ "Synchronization mode to use when running contexts in parallel (either futex, posix or busy_wait)",
+ xbt_cfgelm_string, &default_value, 1, 1,
+ _surf_cfg_cb_contexts_parallel_mode, NULL);
+
default_value = xbt_strdup("no");
- xbt_cfg_register(&_surf_cfg_set, "coordinates",
- "\"yes\" or \"no\" (FIXME: document)",
+ xbt_cfg_register(&_surf_cfg_set, "network/coordinates",
+ "\"yes\" or \"no\", specifying whether we use a coordinate-based routing (as Vivaldi)",
xbt_cfgelm_string, &default_value, 1, 1,
_surf_cfg_cb__surf_network_coordinates, NULL);
- xbt_cfg_setdefault_string(_surf_cfg_set, "coordinates", default_value);
+ xbt_cfg_setdefault_string(_surf_cfg_set, "network/coordinates", default_value);
default_value_int = 0;
- xbt_cfg_register(&_surf_cfg_set, "fullduplex",
+ xbt_cfg_register(&_surf_cfg_set, "network/crosstraffic",
"Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM02)",
xbt_cfgelm_int, &default_value_int, 0, 1,
- _surf_cfg_cb__surf_network_fullduplex, NULL);
- xbt_cfg_setdefault_int(_surf_cfg_set, "fullduplex", default_value_int);
+ _surf_cfg_cb__surf_network_crosstraffic, NULL);
+ xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", default_value_int);
#ifdef HAVE_GTNETS
xbt_cfg_register(&_surf_cfg_set, "gtnets_jitter",
_surf_init_status = 0;
}
+/* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
void surf_config_models_setup()
{
char *workstation_model_name;
XBT_DEBUG("Call workstation_model_init");
surf_workstation_model_description[workstation_id].model_init_preparse();
}
-
-void surf_config_models_create_elms(void)
-{
- char *workstation_model_name =
- xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
- int workstation_id =
- find_model_description(surf_workstation_model_description,
- workstation_model_name);
- if (surf_workstation_model_description
- [workstation_id].model_init_postparse != NULL)
- surf_workstation_model_description[workstation_id].model_init_postparse
- ();
-}
