-/* $Id$ */
-
-/* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "surf_private.h"
#include "xbt/module.h"
+#include "mc/mc.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf,
"Logging specific to SURF (kernel)");
#endif
}
-static double NOW = 0;
+double NOW = 0;
xbt_dynar_t model_list = NULL;
tmgr_history_t history = NULL;
/* 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", NULL, surf_network_model_init_Constant},
- {"CM02", NULL, surf_network_model_init_CM02},
- {"LegrandVelho", NULL, surf_network_model_init_LegrandVelho},
+ {"Constant", "Simplistic network model where all communication take a constant time (one second)", NULL, surf_network_model_init_Constant},
+ {"Vivaldi", "Scalable network model using the Vivaldi coordinate ideas", NULL, surf_network_model_init_Vivaldi},
+ {"CM02", "Realistic network model with lmm_solve and no correction factors", NULL, surf_network_model_init_CM02},
+ {"LV08", "Realistic network model with lmm_solve and these correction factors: latency*=10.4, bandwidth*=.92, S=8775" , NULL, surf_network_model_init_LegrandVelho},
#ifdef HAVE_GTNETS
- {"GTNets", NULL, surf_network_model_init_GTNETS},
+ {"GTNets", "Network Pseudo-model using the GTNets simulator instead of an analytic model", NULL, surf_network_model_init_GTNETS},
#endif
- {"Reno", NULL, surf_network_model_init_Reno},
- {"Reno2", NULL, surf_network_model_init_Reno2},
- {"Vegas", NULL, surf_network_model_init_Vegas},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+ {"Reno", "Model using lagrange_solve instead of lmm_solve (experts only)", NULL, surf_network_model_init_Reno},
+ {"Reno2", "Model using lagrange_solve instead of lmm_solve (experts only)", NULL, surf_network_model_init_Reno2},
+ {"Vegas", "Model using lagrange_solve instead of lmm_solve (experts only)", NULL, surf_network_model_init_Vegas},
+ {NULL, NULL, NULL, NULL} /* this array must be NULL terminated */
};
s_surf_model_description_t surf_cpu_model_description[] = {
- {"Cas01", NULL, surf_cpu_model_init_Cas01},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+ {"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 */
};
s_surf_model_description_t surf_workstation_model_description[] = {
- {"CLM03", NULL, surf_workstation_model_init_CLM03, create_workstations},
- {"compound", NULL, surf_workstation_model_init_compound,
- create_workstations},
- {"ptask_L07", NULL, surf_workstation_model_init_ptask_L07, NULL},
- {NULL, NULL, NULL} /* this array must be NULL terminated */
+ {"CLM03", "Default workstation model, using LV08 and CM02 as network and CPU", NULL, surf_workstation_model_init_CLM03, create_workstations},
+ {"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 */
};
void update_model_description(s_surf_model_description_t * table,
table[i].model = model;
}
+/** Displays the long description of all registered models, and quit */
+void model_help(const char* category, s_surf_model_description_t * table) {
+ int i;
+ printf("Long description of the %s models accepted by this simulator:\n",category);
+ for (i = 0; table[i].name; i++)
+ printf(" %s: %s\n", table[i].name, table[i].description);
+}
+
int find_model_description(s_surf_model_description_t * table,
const char *name)
{
XBT_LOG_EXTERNAL_CATEGORY(surf_timer);
XBT_LOG_EXTERNAL_CATEGORY(surf_workstation);
XBT_LOG_EXTERNAL_CATEGORY(surf_config);
+XBT_LOG_EXTERNAL_CATEGORY(surf_routing);
#ifdef HAVE_GTNETS
#endif
void surf_init(int *argc, char **argv)
-{
+{
/* Connect our log channels: that must be done manually under windows */
XBT_LOG_CONNECT(surf_cpu, surf);
XBT_LOG_CONNECT(surf_kernel, surf);
XBT_LOG_CONNECT(surf_timer, surf);
XBT_LOG_CONNECT(surf_workstation, surf);
XBT_LOG_CONNECT(surf_config, surf);
+ XBT_LOG_CONNECT(surf_routing, surf);
#ifdef HAVE_GTNETS
XBT_LOG_CONNECT(surf_network_gtnets, surf);
history = tmgr_history_new();
surf_config_init(argc, argv);
+#ifdef HAVE_MC
+ if (_surf_do_model_check)
+ MC_memory_init();
+#endif
}
-static char *path_name = NULL;
+#ifdef WIN32
+# define FILE_DELIM "\\"
+#else
+# define FILE_DELIM "/" /* FIXME: move to better location */
+#endif
+
FILE *surf_fopen(const char *name, const char *mode)
{
- unsigned int iter;
- char *path = NULL;
+ unsigned int cpt;
+ char *path_elm = NULL;
+ char *buff;
FILE *file = NULL;
- unsigned int path_name_len = 0; /* don't count '\0' */
- xbt_assert0(name, "Need a non-NULL file name");
+ xbt_assert(name);
- xbt_assert0(surf_path,
- "surf_init has to be called before using surf_fopen");
-
- if (__surf_is_absolute_file_path(name)) { /* don't mess with absolute file names */
+ if (__surf_is_absolute_file_path(name)) /* don't mess with absolute file names */
return fopen(name, mode);
- } else { /* search relative files in the path */
+ /* search relative files in the path */
+ xbt_dynar_foreach(surf_path, cpt, path_elm) {
+ buff = bprintf("%s" FILE_DELIM "%s", path_elm, name);
+ file = fopen(buff, mode);
+ free(buff);
- if (!path_name) {
- path_name_len = strlen(name);
- path_name = xbt_new0(char, path_name_len + 1);
- }
-
- xbt_dynar_foreach(surf_path, iter, path) {
- if (path_name_len < strlen(path) + strlen(name) + 1) {
- path_name_len = strlen(path) + strlen(name) + 1; /* plus '/' */
- path_name = xbt_realloc(path_name, path_name_len + 1);
- }
-#ifdef WIN32
- sprintf(path_name, "%s\\%s", path, name);
-#else
- sprintf(path_name, "%s/%s", path, name);
-#endif
- file = fopen(path_name, mode);
- if (file)
- return file;
- }
+ if (file)
+ return file;
}
- return file;
+ return NULL;
}
void surf_exit(void)
surf_config_finalize();
- xbt_dynar_foreach(model_list, iter, model) {
+ xbt_dynar_foreach(model_list, iter, model)
model->model_private->finalize();
- }
+ xbt_dynar_free(&model_list);
if (maxmin_system) {
lmm_system_free(maxmin_system);
tmgr_history_free(history);
history = NULL;
}
- if (model_list)
- xbt_dynar_free(&model_list);
if (surf_path)
xbt_dynar_free(&surf_path);
tmgr_finalize();
surf_parse_lex_destroy();
- if (path_name) {
- free(path_name);
- path_name = NULL;
- }
surf_parse_free_callbacks();
xbt_dict_free(&route_table);
NOW = 0; /* Just in case the user plans to restart the simulation afterward */
- xbt_exit();
}
void surf_presolve(void)
NOW);
}
}
- xbt_dynar_foreach(model_list, iter, model) {
+ xbt_dynar_foreach(model_list, iter, model)
model->model_private->update_actions_state(NOW, 0.0);
- }
}
double surf_solve(void)
}
DEBUG1("Next action end : %f", min);
- if (min < 0.0)
- return -1.0;
-
DEBUG0("Looking for next event");
while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
- DEBUG1("Next event : %f", next_event_date);
- if (next_event_date > NOW + min)
+ DEBUG1("Next TRACE event : %f", next_event_date);
+ if ((min != -1.0) && (next_event_date > NOW + min))
break;
DEBUG0("Updating models");
while ((event =
}
/* update state of model_obj according to new value. Does not touch lmm.
It will be modified if needed when updating actions */
- resource->model->model_private->update_resource_state(resource,
- event, value,
- NOW + min);
+ DEBUG2("Calling update_resource_state for resource %s with min %lf",
+ resource->model->name, min);
+ resource->model->model_private->update_resource_state(resource, event,
+ value, NOW + min);
}
}
+ /* FIXME: Moved this test to here to avoid stoping 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)
+ return -1.0;
+
DEBUG1("Duration set to %f", min);
NOW = NOW + min;
- xbt_dynar_foreach(model_list, iter, model) {
+ xbt_dynar_foreach(model_list, iter, model)
model->model_private->update_actions_state(NOW, min);
- }
return min;
}