static void _surf_cfg_cb_contexts_nthreads(const char *name, int pos)
{
- SIMIX_context_set_nthreads(xbt_cfg_get_int(_surf_cfg_set, name));
+ unsigned int nthreads;
+ const char* value = xbt_cfg_get_string(_surf_cfg_set, name);
+ if (!strcmp(value, "auto")) {
+ XBT_DEBUG("Auto setting contexts/nthreads to %d", PROCESSOR_COUNT);
+ nthreads = PROCESSOR_COUNT;
+ }
+ else {
+ nthreads = atoi(value);
+ xbt_assert(nthreads > 0, "context/threads should be a positive number or 'auto'");
+ }
+ SIMIX_context_set_nthreads(nthreads);
}
static void _surf_cfg_cb_contexts_parallel_threshold(const char *name, int pos)
SIMIX_context_set_parallel_mode(XBT_PARMAP_BUSY_WAIT);
}
else {
- XBT_WARN("Command line setting of the parallel synchronization mode should "
+ 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)
{
_surf_cfg_cb_context_stack_size, NULL);
/* number of parallel threads for user processes */
- default_value_int = 1;
+ default_value = xbt_strdup("1");
xbt_cfg_register(&_surf_cfg_set, "contexts/nthreads",
"Number of parallel threads used to execute user contexts",
- xbt_cfgelm_int, &default_value_int, 1, 1,
+ xbt_cfgelm_string, &default_value, 1, 1,
_surf_cfg_cb_contexts_nthreads, NULL);
/* minimal number of user contexts to be run in parallel */
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 */
+ /* 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)",
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 */
const char *initial_path = __surf_get_initial_path();
