/* surf_config: configuration infrastructure for the simulation world */
#include "xbt/config.h"
+#include "xbt/log.h"
#include "xbt/str.h"
#include "surf/surf_private.h"
+#include "surf/surf_routing.h" /* COORD_HOST_LEVEL and COORD_ASR_LEVEL */
#include "simix/context.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_config, surf,
/* Parse the command line, looking for options */
static void surf_config_cmd_line(int *argc, char **argv)
{
+ int shall_exit = 0;
int i, j;
char *opt;
- for (i = 1; i < *argc; i++) {
- int remove_it = 0;
+ for (j = i = 1; i < *argc; i++) {
if (!strncmp(argv[i], "--cfg=", strlen("--cfg="))) {
opt = strchr(argv[i], '=');
opt++;
xbt_cfg_set_parse(_surf_cfg_set, opt);
XBT_DEBUG("Did apply '%s' as config setting", opt);
- remove_it = 1;
- } else if (!strncmp(argv[i], "--cfg-help", strlen("--cfg-help") + 1) ||
- !strncmp(argv[i], "--help", strlen("--help") + 1)) {
+ } else if (!strcmp(argv[i], "--cfg-help") || !strcmp(argv[i], "--help")) {
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(
+"\n"
+"You 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");
+"\n"
+"You 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)) {
+"\n"
+"You can also use --help-logs and --help-log-categories to see the details of logging output.\n"
+"\n"
+ );
+ shall_exit = 1;
+ } else if (!strcmp(argv[i], "--help-models")) {
+ int k;
+
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);
- exit(0);
+ printf("\nLong description of all optimization levels accepted by the models of this simulator:\n");
+ for (k = 0; surf_optimization_mode_description[k].name; k++)
+ printf(" %s: %s\n",
+ surf_optimization_mode_description[k].name,
+ surf_optimization_mode_description[k].description);
+ printf("Both network and CPU models have 'Lazy' as default optimization level\n\n");
+ shall_exit = 1;
#ifdef HAVE_TRACING
- }else
- if (!strncmp
- (argv[i], "--help-tracing", strlen("--help-tracing") + 1)) {
+ } else if (!strcmp(argv[i], "--help-tracing")) {
TRACE_help (1);
- exit(0);
+ shall_exit = 1;
#endif
- }
- if (remove_it) { /*remove this from argv */
- for (j = i + 1; j < *argc; j++) {
- argv[j - 1] = argv[j];
- }
-
- argv[j - 1] = NULL;
- (*argc)--;
- i--; /* compensate effect of next loop incrementation */
+ } else {
+ argv[j++] = argv[i];
}
}
+ if (j < *argc) {
+ argv[j] = NULL;
+ *argc = j;
+ }
+ if (shall_exit)
+ exit(0);
}
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 cpu/model variable */
+static void _surf_cfg_cb__storage_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("storage", surf_storage_model_description);
+ exit(0);
+ }
+
+ /* New Module missing */
+ find_model_description(surf_storage_model_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__surf_network_fullduplex(const char *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_die("Command line setting of the parallel synchronization mode should "
+ "be one of \"posix\", \"futex\" or \"busy_wait\"");
+ }
+}
+
+static void _surf_cfg_cb_surf_nthreads(const char *name, int pos)
+{
+ surf_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
+}
+
+static void _surf_cfg_cb__surf_network_coordinates(const char *name,
+ int pos)
+{
+ char *val = xbt_cfg_get_string(_surf_cfg_set, name);
+ if (!strcmp(val, "yes")) {
+ if (!COORD_HOST_LEVEL) {
+ COORD_HOST_LEVEL = xbt_lib_add_level(host_lib,xbt_dynar_free_voidp);
+ COORD_ASR_LEVEL = xbt_lib_add_level(as_router_lib,xbt_dynar_free_voidp);
+ }
+ } else if (!strcmp(val, "no")) {
+ if (COORD_HOST_LEVEL)
+ xbt_die("Setting of whether to use coordinate cannot be disabled once set.");
+ } else {
+ xbt_die("Command line setting of whether to use coordinates must be either \"yes\" or \"no\"");
+ }
+}
+
+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 storage. Possible values: ");
+ p = description;
+ while (*(++p) != '\0');
+ for (i = 0; surf_storage_model_description[i].name; i++)
+ p += sprintf(p, "%s%s", (i == 0 ? "" : ", "),
+ surf_storage_model_description[i].name);
+ sprintf(p,
+ ".\n (use 'help' as a value to see the long description of each model)");
+ default_value = xbt_strdup("default");
+ xbt_cfg_register(&_surf_cfg_set, "storage/model", description, xbt_cfgelm_string,
+ &default_value, 1, 1, &_surf_cfg_cb__storage_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",
+ "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);
+ /* synchronization mode for parallel user contexts */
+#ifdef HAVE_FUTEX_H
+ default_value = xbt_strdup("futex");
+#else //No futex on mac and posix is unimplememted yet
+ default_value = xbt_strdup("busy_wait");
+#endif
+ 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);
+
+ /* number of parallel threads for Surf */
+ default_value_int = surf_get_nthreads();
+ xbt_cfg_register(&_surf_cfg_set, "surf/nthreads",
+ "Number of parallel threads used to update Surf models",
+ xbt_cfgelm_int, &default_value_int, 1, 1,
+ _surf_cfg_cb_surf_nthreads, NULL);
+
+ default_value = xbt_strdup("no");
+ 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, "network/coordinates", default_value);
+
default_value_int = 0;
- xbt_cfg_register(&_surf_cfg_set, "fullduplex",
- "Activate the interferences between uploads and downloads for fluid max-min models (LV08, CM03)",
+ 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",
+ xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter",
"Double value to oscillate the link latency, uniformly in random interval [-latency*gtnets_jitter,latency*gtnets_jitter)",
xbt_cfgelm_double, NULL, 1, 1,
_surf_cfg_cb__gtnets_jitter, NULL);
- xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets_jitter", 0.0);
+ xbt_cfg_setdefault_double(_surf_cfg_set, "gtnets/jitter", 0.0);
default_value_int = 10;
- xbt_cfg_register(&_surf_cfg_set, "gtnets_jitter_seed",
+ xbt_cfg_register(&_surf_cfg_set, "gtnets/jitter_seed",
"Use a positive seed to reproduce jitted results, value must be in [1,1e8], default is 10",
xbt_cfgelm_int, &default_value_int, 0, 1,
_surf_cfg_cb__gtnets_jitter_seed, NULL);
#endif
+#ifdef HAVE_NS3
+ xbt_cfg_register(&_surf_cfg_set, "ns3/TcpModel",
+ "The ns3 tcp model can be : NewReno or Reno or Tahoe",
+ xbt_cfgelm_string, NULL, 1, 1,
+ NULL, NULL);
+ xbt_cfg_setdefault_string(_surf_cfg_set, "ns3/TcpModel", "default");
+#endif
+
+//SMPI
+ double default_reference_speed = 20000.0;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
+ "Power of the host running the simulation (in flop/s). Used to bench the operations.",
+ xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL,
+ NULL);
+
+ int default_display_timing = 0;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
+ "Boolean indicating whether we should display the timing after simulation.",
+ xbt_cfgelm_int, &default_display_timing, 1, 1, NULL,
+ NULL);
+
+ double default_threshold = 1e-6;
+ xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
+ "Minimal computation time (in seconds) not discarded.",
+ xbt_cfgelm_double, &default_threshold, 1, 1, NULL,
+ NULL);
+
+ //For smpi/bw_factor and smpi/lat_factor
+ //Default value have to be "threshold0:value0;threshold1:value1;...;thresholdN:valueN"
+ //test is if( size >= thresholdN ) return valueN;
+ //Values can be modified with command line --cfg=smpi/bw_factor:"threshold0:value0;threshold1:value1;...;thresholdN:valueN"
+ // or with tag config put line <prop id="smpi/bw_factor" value="threshold0:value0;threshold1:value1;...;thresholdN:valueN"></prop>
+ xbt_cfg_register(&_surf_cfg_set, "smpi/bw_factor",
+ "Bandwidth factors for smpi.",
+ xbt_cfgelm_string, NULL, 1, 1, NULL,
+ NULL);
+ xbt_cfg_setdefault_string(_surf_cfg_set, "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");
+
+ xbt_cfg_register(&_surf_cfg_set, "smpi/lat_factor",
+ "Latency factors for smpi.",
+ xbt_cfgelm_string, NULL, 1, 1, NULL,
+ NULL);
+ xbt_cfg_setdefault_string(_surf_cfg_set, "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");
+//END SMPI
+
if (!surf_path) {
/* retrieves the current directory of the current process */
_surf_init_status = 0;
}
-void surf_config_models_setup(const char *platform_file)
+/* Pick the right models for CPU, net and workstation, and call their model_init_preparse */
+void surf_config_models_setup()
{
char *workstation_model_name;
int workstation_id = -1;
char *network_model_name = NULL;
char *cpu_model_name = NULL;
+ int storage_id = -1;
+ char *storage_model_name = NULL;
workstation_model_name =
xbt_cfg_get_string(_surf_cfg_set, "workstation/model");
network_model_name = xbt_cfg_get_string(_surf_cfg_set, "network/model");
cpu_model_name = xbt_cfg_get_string(_surf_cfg_set, "cpu/model");
+ storage_model_name = xbt_cfg_get_string(_surf_cfg_set, "storage/model");
/* Check whether we use a net/cpu model differing from the default ones, in which case
* we should switch to the "compound" workstation model to correctly dispatch stuff to
* the right net/cpu models.
*/
- if ((strcmp(network_model_name, "LV08")
- || strcmp(cpu_model_name, "Cas01"))
- && !strcmp(workstation_model_name, "CLM03")) {
- const char *val = "compound";
- XBT_INFO
- ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
- xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
- workstation_model_name = (char *) "compound";
+
+ if((!xbt_cfg_is_default_value(_surf_cfg_set, "network/model") ||
+ !xbt_cfg_is_default_value(_surf_cfg_set, "cpu/model")) &&
+ xbt_cfg_is_default_value(_surf_cfg_set, "workstation/model"))
+ {
+ const char *val = "compound";
+ XBT_INFO
+ ("Switching workstation model to compound since you changed the network and/or cpu model(s)");
+ xbt_cfg_set_string(_surf_cfg_set, "workstation/model", val);
+ workstation_model_name = (char *) "compound";
}
XBT_DEBUG("Workstation model: %s", workstation_model_name);
cpu_id =
find_model_description(surf_cpu_model_description, cpu_model_name);
- surf_cpu_model_description[cpu_id].model_init_preparse(platform_file);
- surf_network_model_description[network_id].model_init_preparse
- (platform_file);
+ surf_cpu_model_description[cpu_id].model_init_preparse();
+ surf_network_model_description[network_id].model_init_preparse();
}
XBT_DEBUG("Call workstation_model_init");
- surf_workstation_model_description[workstation_id].model_init_preparse
- (platform_file);
-}
+ 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
- ();
+ XBT_DEBUG("Call storage_model_init");
+ storage_id = find_model_description(surf_storage_model_description, storage_model_name);
+ surf_storage_model_description[storage_id].model_init_preparse();
}