#include "xbt/module.h"
#include "mc/mc.h"
#include "surf/surf_resource.h"
-//#include "surf/surf_resource_lmm.h"
-
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf,
"Logging specific to SURF (kernel)");
/* Don't forget to update the option description in smx_config when you change this */
s_surf_model_description_t surf_network_model_description[] = {
- {"Constant",
- "Simplistic network model where all communication take a constant time (one second)",
- NULL, surf_network_model_init_Constant},
- {"CM02",
- "Realistic network model with lmm_solve and no correction factors",
- NULL, surf_network_model_init_CM02},
{"LV08",
- "Realistic network model with lmm_solve, adequate correction factors (latency*=10.4, bandwidth*=.92, S=8775) and partial invalidation optimization",
- NULL, im_surf_network_model_init_LegrandVelho},
- {"LV08_fullupdate",
- "Realistic network model wit lmm_solve, adequate correction factors (latency*=10.4, bandwidth*=.92, S=8775) but no further optimization. Should produce the same results as LV08, only slower.",
- NULL, surf_network_model_init_LegrandVelho},
+ "Realistic network analytic model (slow-start modeled by multiplying latency by 10.4, bandwidth by .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT). ",
+ surf_network_model_init_LegrandVelho},
+ {"Constant",
+ "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.",
+ surf_network_model_init_Constant},
{"SMPI",
- "Realistic network model with lmm_solve and correction factors on three intervals (< 1KiB, < 64 KiB, >= 64 KiB)",
- NULL, surf_network_model_init_SMPI},
+ "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)",
+ surf_network_model_init_SMPI},
+ {"CM02",
+ "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).",
+ surf_network_model_init_CM02},
#ifdef HAVE_GTNETS
{"GTNets",
- "Network Pseudo-model using the GTNets simulator instead of an analytic model",
- NULL, surf_network_model_init_GTNETS},
+ "Network pseudo-model using the GTNets simulator instead of an analytic model",
+ surf_network_model_init_GTNETS},
#endif
#ifdef HAVE_NS3
{"NS3",
- "Use NS3 tcp model",
- NULL, surf_network_model_init_NS3},
+ "Network pseudo-model using the NS3 tcp model instead of an analytic model",
+ surf_network_model_init_NS3},
#endif
{"Reno",
- "Model using lagrange_solve instead of lmm_solve (experts only)", NULL,
+ "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
surf_network_model_init_Reno},
{"Reno2",
- "Model using lagrange_solve instead of lmm_solve (experts only)", NULL,
+ "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
surf_network_model_init_Reno2},
{"Vegas",
- "Model using lagrange_solve instead of lmm_solve (experts only)", NULL,
+ "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).",
surf_network_model_init_Vegas},
- {NULL, NULL, NULL, NULL} /* this array must be NULL terminated */
+ {NULL, NULL, NULL} /* this array must be NULL terminated */
};
s_surf_model_description_t surf_cpu_model_description[] = {
- {"Cas01_fullupdate", "CPU classical model time=size/power", NULL,
- surf_cpu_model_init_Cas01},
{"Cas01",
- "Variation of Cas01_fullupdate with partial invalidation optimization of lmm system. Should produce the same values, only faster",
- NULL, surf_cpu_model_init_Cas01_im},
- {"CpuTI",
- "Variation of Cas01 with also trace integration. Should produce the same values, only faster if you use availability traces",
- NULL, surf_cpu_model_init_ti},
- {NULL, NULL, NULL, NULL} /* this array must be NULL terminated */
+ "Simplistic CPU model (time=size/power).",
+ surf_cpu_model_init_Cas01},
+ {NULL, NULL, NULL} /* this array must be NULL terminated */
};
s_surf_model_description_t surf_workstation_model_description[] = {
- {"CLM03",
- "Default workstation model, using LV08 and CM02 as network and CPU",
- NULL, surf_workstation_model_init_CLM03, create_workstations},
+ {"default",
+ "Default workstation model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)",
+ surf_workstation_model_init_current_default},
{"compound",
- "Workstation model allowing you to use other network and CPU models",
- NULL, surf_workstation_model_init_compound, create_workstations},
- {"ptask_L07", "Workstation model with better parallel task modeling",
- NULL, surf_workstation_model_init_ptask_L07, NULL},
- {NULL, NULL, NULL, NULL} /* this array must be NULL terminated */
+ "Workstation model that is automatically chosen if you change the network and CPU models",
+ surf_workstation_model_init_compound},
+ {"ptask_L07", "Workstation model somehow similar to Cas01+CM02 but allowing parallel tasks",
+ surf_workstation_model_init_ptask_L07},
+ {NULL, NULL, NULL} /* this array must be NULL terminated */
};
-void update_model_description(s_surf_model_description_t * table,
- const char *name, surf_model_t model)
-{
- int i = find_model_description(table, name);
- table[i].model = model;
-}
+s_surf_model_description_t surf_optimization_mode_description[] = {
+ {"Lazy",
+ "Lazy action management (partial invalidation in lmm + heap in action remaining).",
+ NULL},
+ {"TI",
+ "Trace integration. Highly optimized mode when using availability traces (only available for the Cas01 CPU model for now).",
+ NULL},
+ {"Full",
+ "Full update of remaining and variables. Slow but may be useful when debugging.",
+ NULL},
+ {NULL, NULL, NULL} /* this array must be NULL terminated */
+};
/** Displays the long description of all registered models, and quit */
void model_help(const char *category, s_surf_model_description_t * table)
for (i = 1; table[i].name; i++) {
name_list =
xbt_realloc(name_list,
- strlen(name_list) + strlen(table[i].name) + 2);
+ strlen(name_list) + strlen(table[i].name) + 3);
strcat(name_list, ", ");
strcat(name_list, table[i].name);
}
double value = -1;
#define VARIABLE(action) (*((lmm_variable_t*)(((char *) (action)) + (offset))))
- xbt_assert(solve, "Give me a real solver function!");
solve(sys);
xbt_swag_foreach(action, running_actions) {
xbt_dynar_foreach(model_list, iter, model)
model->model_private->finalize();
xbt_dynar_free(&model_list);
+ routing_exit();
if (maxmin_system) {
lmm_system_free(maxmin_system);
}
surf_action_exit();
- if (surf_path)
- xbt_dynar_free(&surf_path);
+ xbt_dynar_free(&surf_path);
xbt_lib_free(&host_lib);
xbt_lib_free(&link_lib);
xbt_lib_free(&as_router_lib);
- xbt_dict_free(&cluster_host_link);
+
tmgr_finalize();
surf_parse_lex_destroy();
}
}
- XBT_DEBUG("Min for resources (except NS3) : %f", min);
+ XBT_DEBUG("Min for resources (remember that NS3 dont update that value) : %f", min);
XBT_DEBUG("Looking for next trace event");
min = model_next_action_end;
}
- if (next_event_date == -1.0) break;
+ if (next_event_date == -1.0) {
+ XBT_DEBUG("no next TRACE event. Stop searching for it");
+ break;
+ }
if ((min != -1.0) && (next_event_date > NOW + min)) break;
}
} while (1);
- /* FIXME: Moved this test to here to avoid stoping simulation if there are actions running on cpus and all cpus are with availability = 0.
+ /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
* This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
* The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
- if (min < 0.0)
+ if (min == -1.0) {
+ XBT_DEBUG("No next event at all. Bail out now.");
return -1.0;
+ }
XBT_DEBUG("Duration set to %f", min);
