-/* $Id$ */
-
-/* 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)");
-
-int use_sdp_solver = 0;
-int use_lagrange_solver = 0;
+ "Logging specific to SURF (kernel)");
/* Additional declarations for Windows potability. */
#define MAX_DRIVE 26
#endif
-#ifdef _WIN32
+#ifdef _XBT_WIN32
#include <windows.h>
static const char *disk_drives_letter_table[MAX_DRIVE] = {
"A:\\",
"Y:\\",
"Z:\\"
};
-#endif /* #ifdef _WIN32 */
+#endif /* #ifdef _XBT_WIN32 */
/*
* Returns the initial path. On Windows the initial path is
const char *__surf_get_initial_path(void)
{
-#ifdef _WIN32
+#ifdef _XBT_WIN32
unsigned i;
char current_directory[MAX_PATH + 1] = { 0 };
unsigned int len = GetCurrentDirectory(MAX_PATH + 1, current_directory);
*/
int __surf_is_absolute_file_path(const char *file_path)
{
-#ifdef _WIN32
+#ifdef _XBT_WIN32
WIN32_FIND_DATA wfd = { 0 };
HANDLE hFile = FindFirstFile(file_path, &wfd);
#endif
}
-typedef struct surf_model_object {
- surf_model_t model;
-} s_surf_model_object_t, *surf_model_object_t;
-
-static double NOW = 0;
+double NOW = 0;
xbt_dynar_t model_list = NULL;
tmgr_history_t history = NULL;
lmm_system_t maxmin_system = NULL;
xbt_dynar_t surf_path = NULL;
-const char *surf_action_state_names[6] = {
- "SURF_ACTION_READY",
- "SURF_ACTION_RUNNING",
- "SURF_ACTION_FAILED",
- "SURF_ACTION_DONE",
- "SURF_ACTION_TO_FREE",
- "SURF_ACTION_NOT_IN_THE_SYSTEM"
-};
-int surf_network_model_description_size = 3
-#ifdef HAVE_GTNETS
- + 1
-#endif
-#ifdef HAVE_SDP
- + 1
-#endif
- ;
+/* Don't forget to update the option description in smx_config when you change this */
s_surf_model_description_t surf_network_model_description[] = {
- {"CM02", NULL, surf_network_model_init_CM02},
+ {"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 and these correction factors: latency*=10.4, bandwidth*=.92, S=8775",
+ NULL, surf_network_model_init_LegrandVelho},
+ {"LV08_im",
+ "Realistic network model with IMPROVED ACTION MANAGEMENT and these correction factors: latency*=10.4, bandwidth*=.92, S=8775",
+ NULL, im_surf_network_model_init_LegrandVelho},
+ {"SMPI",
+ "Realistic network model with lmm_solve and correction factors on three intervals (< 1KiB, < 64 KiB, >= 64 KiB)",
+ NULL, surf_network_model_init_SMPI},
#ifdef HAVE_GTNETS
- {"GTNets", NULL, surf_network_model_init_GTNETS},
-#endif
-#ifdef HAVE_SDP
- {"SDP", NULL, surf_network_model_init_SDP},
+ {"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},
- {"Vegas", NULL, surf_network_model_init_Vegas}
+ {"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 */
};
-int surf_cpu_model_description_size = 1;
s_surf_model_description_t surf_cpu_model_description[] = {
- {"Cas01", NULL, surf_cpu_model_init_Cas01},
+ {"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 */
};
-int surf_workstation_model_description_size = 4;
s_surf_model_description_t surf_workstation_model_description[] = {
- {"CLM03", NULL, surf_workstation_model_init_CLM03},
- {"KCCFLN05", NULL, surf_workstation_model_init_KCCFLN05},
- {"compound", NULL, surf_workstation_model_init_compound},
- {"ptask_L07", NULL, surf_workstation_model_init_ptask_L07}
+ {"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,
- int table_size,
- const char *name,
- surf_model_t model)
+ const char *name, surf_model_t model)
{
- int i = find_model_description(table, table_size, name);
+ int i = find_model_description(table, name);
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,
- int table_size, const char *name)
+ const char *name)
{
int i;
char *name_list = NULL;
- for (i = 0; i < table_size; i++)
+ for (i = 0; table[i].name; i++)
if (!strcmp(name, table[i].name)) {
return i;
}
name_list = strdup(table[0].name);
- for (i = 1; i < table_size; i++) {
+ for (i = 1; table[i].name; i++) {
name_list =
- xbt_realloc(name_list,
- strlen(name_list) + strlen(table[i].name) + 2);
+ xbt_realloc(name_list,
+ strlen(name_list) + strlen(table[i].name) + 2);
strcat(name_list, ", ");
strcat(name_list, table[i].name);
}
- xbt_assert2(0, "Model '%s' is invalid! Valid models are: %s.", name,
- name_list);
+ xbt_die("Model '%s' is invalid! Valid models are: %s.", name, name_list);
+ return -1;
}
double generic_maxmin_share_resources(xbt_swag_t running_actions,
- size_t offset,
- lmm_system_t sys,
- void (*solve) (lmm_system_t))
+ size_t offset,
+ lmm_system_t sys,
+ void (*solve) (lmm_system_t))
{
surf_action_t action = NULL;
double min = -1;
return -1.0;
if (value > 0) {
- if(action->remains>0)
+ if (action->remains > 0)
min = action->remains / value;
- else
+ else
min = 0.0;
if ((action->max_duration >= 0) && (action->max_duration < min))
min = action->max_duration;
} else
min = action->max_duration;
- DEBUG5("Found action (%p: duration = %f, remains = %f, value = %f) ! %f",
- action, action->max_duration, action->remains, value, min);
for (action = xbt_swag_getNext(action, running_actions->offset);
action;
action = xbt_swag_getNext(action, running_actions->offset)) {
value = lmm_variable_getvalue(VARIABLE(action));
if (value > 0) {
- if(action->remains>0)
- value = action->remains / value;
- else
- value = 0.0;
+ if (action->remains > 0)
+ value = action->remains / value;
+ else
+ value = 0.0;
if (value < min) {
- min = value;
- DEBUG2("Updating min (value) with %p: %f", action, min);
+ min = value;
+ XBT_DEBUG("Updating min (value) with %p: %f", action, min);
}
}
if ((action->max_duration >= 0) && (action->max_duration < min)) {
min = action->max_duration;
- DEBUG2("Updating min (duration) with %p: %f", action, min);
+ XBT_DEBUG("Updating min (duration) with %p: %f", action, min);
}
}
- DEBUG1("min value : %f", min);
+ XBT_DEBUG("min value : %f", min);
#undef VARIABLE
return min;
}
-e_surf_action_state_t surf_action_get_state(surf_action_t action)
-{
- surf_action_state_t action_state =
- &(action->model_type->common_public->states);
-
- if (action->state_set == action_state->ready_action_set)
- return SURF_ACTION_READY;
- if (action->state_set == action_state->running_action_set)
- return SURF_ACTION_RUNNING;
- if (action->state_set == action_state->failed_action_set)
- return SURF_ACTION_FAILED;
- if (action->state_set == action_state->done_action_set)
- return SURF_ACTION_DONE;
- return SURF_ACTION_NOT_IN_THE_SYSTEM;
-}
-
-double surf_action_get_start_time(surf_action_t action)
-{
- return action->start;
-}
-
-double surf_action_get_finish_time(surf_action_t action)
-{
- return action->finish;
-}
+XBT_LOG_EXTERNAL_CATEGORY(surf_cpu);
+XBT_LOG_EXTERNAL_CATEGORY(surf_kernel);
+XBT_LOG_EXTERNAL_CATEGORY(surf_lagrange);
+XBT_LOG_EXTERNAL_CATEGORY(surf_lagrange_dichotomy);
+XBT_LOG_EXTERNAL_CATEGORY(surf_maxmin);
+XBT_LOG_EXTERNAL_CATEGORY(surf_network);
+XBT_LOG_EXTERNAL_CATEGORY(surf_trace);
+XBT_LOG_EXTERNAL_CATEGORY(surf_parse);
+XBT_LOG_EXTERNAL_CATEGORY(surf_timer);
+XBT_LOG_EXTERNAL_CATEGORY(surf_workstation);
+XBT_LOG_EXTERNAL_CATEGORY(surf_config);
+XBT_LOG_EXTERNAL_CATEGORY(surf_route);
-void surf_action_free(surf_action_t * action)
-{
- (*action)->model_type->common_public->action_cancel(*action);
- free(*action);
- *action = NULL;
-}
-
-void surf_action_change_state(surf_action_t action,
- e_surf_action_state_t state)
-{
- surf_action_state_t action_state =
- &(action->model_type->common_public->states);
- XBT_IN2("(%p,%s)", action, surf_action_state_names[state]);
- xbt_swag_remove(action, action->state_set);
-
- if (state == SURF_ACTION_READY)
- action->state_set = action_state->ready_action_set;
- else if (state == SURF_ACTION_RUNNING)
- action->state_set = action_state->running_action_set;
- else if (state == SURF_ACTION_FAILED)
- action->state_set = action_state->failed_action_set;
- else if (state == SURF_ACTION_DONE)
- action->state_set = action_state->done_action_set;
- else
- action->state_set = NULL;
-
- if (action->state_set)
- xbt_swag_insert(action, action->state_set);
- XBT_OUT;
-}
-
-void surf_action_set_data(surf_action_t action, void *data)
-{
- action->data = data;
-}
+#ifdef HAVE_GTNETS
+XBT_LOG_EXTERNAL_CATEGORY(surf_network_gtnets);
+#endif
void surf_init(int *argc, char **argv)
{
- int i, j;
- char *opt;
+ /* 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_lagrange, surf);
+ XBT_LOG_CONNECT(surf_lagrange_dichotomy, surf_lagrange);
+ XBT_LOG_CONNECT(surf_maxmin, surf);
+ XBT_LOG_CONNECT(surf_network, surf);
+ XBT_LOG_CONNECT(surf_trace, surf);
+ XBT_LOG_CONNECT(surf_parse, surf);
+ XBT_LOG_CONNECT(surf_timer, surf);
+ XBT_LOG_CONNECT(surf_workstation, surf);
+ XBT_LOG_CONNECT(surf_config, surf);
+ XBT_LOG_CONNECT(surf_route, surf);
- const char *initial_path;
+#ifdef HAVE_GTNETS
+ XBT_LOG_CONNECT(surf_network_gtnets, surf);
+#endif
xbt_init(argc, argv);
- if (!surf_path) {
-
- /* retrieves the current directory of the current process */
- initial_path = __surf_get_initial_path();
-
- xbt_assert0((initial_path),
- "__surf_get_initial_path() failed! Can't resolves current Windows directory");
-
- surf_path = xbt_dynar_new(sizeof(char *), NULL);
- xbt_dynar_push(surf_path, &initial_path);
-
- for (i = 1; i < *argc; i++) {
- if (!strncmp(argv[i], "--surf-path=", strlen("--surf-path="))) {
- opt = strchr(argv[i], '=');
- opt++;
- xbt_dynar_push(surf_path, &opt);
- /*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 */
- }
- }
- }
if (!model_list)
model_list = xbt_dynar_new(sizeof(surf_model_private_t), NULL);
if (!history)
history = tmgr_history_new();
+
+ surf_config_init(argc, argv);
+ surf_action_init();
+ if (MC_IS_ENABLED)
+ MC_memory_init();
}
-static char *path_name = NULL;
+#ifdef _XBT_WIN32
+# define FILE_DELIM "\\"
+#else
+# define FILE_DELIM "/" /* FIXME: move to better location */
+#endif
+
FILE *surf_fopen(const char *name, const char *mode)
{
- int i;
- 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_assert0(surf_path,
- "surf_init has to be called before using surf_fopen");
+ xbt_assert(name);
- 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, i, 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);
- }
- sprintf(path_name, "%s/%s", path, name);
- file = fopen(path_name, mode);
- if (file)
- return file;
- }
+ if (file)
+ return file;
}
- return file;
+ return NULL;
}
void surf_exit(void)
{
- int i;
+ unsigned int iter;
surf_model_t model = NULL;
- xbt_dynar_foreach(model_list, i, model) {
- model->common_private->finalize();
- }
+ surf_config_finalize();
+
+ 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);
+ surf_action_exit();
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();
- NOW=0; /* Just in case the user plans to restart the simulation afterward */
- xbt_exit();
+ NOW = 0; /* Just in case the user plans to restart the simulation afterward */
}
-double surf_solve(void)
+void surf_presolve(void)
{
- static int first_run = 1;
+ double next_event_date = -1.0;
+ tmgr_trace_event_t event = NULL;
+ double value = -1.0;
+ surf_resource_t resource = NULL;
+ surf_model_t model = NULL;
+ unsigned int iter;
+
+ XBT_DEBUG
+ ("First Run! Let's \"purge\" events and put models in the right state");
+ while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
+ if (next_event_date > NOW)
+ break;
+ while ((event =
+ tmgr_history_get_next_event_leq(history, next_event_date,
+ &value,
+ (void **) &resource))) {
+ resource->model->model_private->update_resource_state(resource,
+ event, value,
+ NOW);
+ }
+ }
+ xbt_dynar_foreach(model_list, iter, model)
+ model->model_private->update_actions_state(NOW, 0.0);
+}
- double min = -1.0;
+double surf_solve(double max_date)
+{
+ double min = -1.0; /* duration */
double next_event_date = -1.0;
double model_next_action_end = -1.0;
double value = -1.0;
- surf_model_object_t model_obj = NULL;
+ surf_resource_t resource = NULL;
surf_model_t model = NULL;
tmgr_trace_event_t event = NULL;
- int i;
+ unsigned int iter;
- if (first_run) {
- DEBUG0
- ("First Run! Let's \"purge\" events and put models in the right state");
- while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
- if (next_event_date > NOW)
- break;
- while ((event =
- tmgr_history_get_next_event_leq(history, next_event_date,
- &value,
- (void **) &model_obj))) {
- model_obj->model->common_private->
- update_resource_state(model_obj, event, value);
- }
- }
- xbt_dynar_foreach(model_list, i, model) {
- model->common_private->update_actions_state(NOW, 0.0);
- }
- first_run = 0;
- return 0.0;
+ if (max_date != -1.0 && max_date != NOW) {
+ min = max_date - NOW;
}
- min = -1.0;
-
- DEBUG0("Looking for next action end");
- xbt_dynar_foreach(model_list, i, model) {
- DEBUG1("Running for Resource [%s]", model->common_public->name);
- model_next_action_end =
- model->common_private->share_resources(NOW);
- DEBUG2("Resource [%s] : next action end = %f",
- model->common_public->name, model_next_action_end);
+ XBT_DEBUG("Looking for next action end");
+ xbt_dynar_foreach(model_list, iter, model) {
+ XBT_DEBUG("Running for Resource [%s]", model->name);
+ model_next_action_end = model->model_private->share_resources(NOW);
+ XBT_DEBUG("Resource [%s] : next action end = %f",
+ model->name, model_next_action_end);
if (((min < 0.0) || (model_next_action_end < min))
- && (model_next_action_end >= 0.0))
+ && (model_next_action_end >= 0.0))
min = model_next_action_end;
}
- DEBUG1("Next action end : %f", min);
+ XBT_DEBUG("Next action end : %f", min);
- if (min < 0.0)
- return -1.0;
-
- DEBUG0("Looking for next event");
+ XBT_DEBUG("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)
+ XBT_DEBUG("Next TRACE event : %f", next_event_date);
+ if ((min != -1.0) && (next_event_date > NOW + min))
break;
- DEBUG0("Updating models");
+ XBT_DEBUG("Updating models");
while ((event =
- tmgr_history_get_next_event_leq(history, next_event_date,
- &value,
- (void **) &model_obj))) {
- if (model_obj->model->common_private->
- resource_used(model_obj)) {
- min = next_event_date - NOW;
- DEBUG1
- ("This event will modify model state. Next event set to %f",
- min);
+ tmgr_history_get_next_event_leq(history, next_event_date,
+ &value,
+ (void **) &resource))) {
+ if (resource->model->model_private->resource_used(resource)) {
+ min = next_event_date - NOW;
+ XBT_DEBUG
+ ("This event will modify model state. Next event set to %f",
+ min);
}
/* update state of model_obj according to new value. Does not touch lmm.
It will be modified if needed when updating actions */
- model_obj->model->common_private->
- update_resource_state(model_obj, event, value);
+ XBT_DEBUG("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);
}
}
- DEBUG1("Duration set to %f", 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;
+
+ XBT_DEBUG("Duration set to %f", min);
NOW = NOW + min;
- xbt_dynar_foreach(model_list, i, model) {
- model->common_private->update_actions_state(NOW, min);
- }
+ xbt_dynar_foreach(model_list, iter, model)
+ model->model_private->update_actions_state(NOW, min);
+
+#ifdef HAVE_TRACING
+ TRACE_paje_dump_buffer (0);
+#endif
return min;
}
-double surf_get_clock(void)
+XBT_INLINE double surf_get_clock(void)
{
return NOW;
}
