#include "surf_private.h"
#include "surf/surf_resource.h"
#include "maxmin_private.h"
+#include "simgrid/sg_config.h"
surf_model_t surf_cpu_model = NULL;
-lmm_system_t cpu_maxmin_system = NULL;
-e_UM_t cpu_update_mechanism = UM_UNDEFINED;
-static int cpu_selective_update = 0;
-
-static xbt_swag_t cpu_modified_set= NULL;
-static xbt_heap_t cpu_action_heap = NULL;
#undef GENERIC_LMM_ACTION
#undef GENERIC_ACTION
static xbt_swag_t
cpu_running_action_set_that_does_not_need_being_checked = NULL;
-/* added to manage the communication action's heap */
-static void net_action_update_index_heap(void *action, int i)
-{
- surf_action_cpu_Cas01_t a = action;
- GENERIC_LMM_ACTION(a).index_heap = i;
-}
-
-/* insert action on heap using a given key and a hat (heap_action_type)
- * a hat can be of three types for communications:
- *
- * NORMAL = this is a normal heap entry stating the date to finish transmitting
- * LATENCY = this is a heap entry to warn us when the latency is payed
- * MAX_DURATION =this is a heap entry to warn us when the max_duration limit is reached
- */
-static void heap_insert(surf_action_cpu_Cas01_t action, double key,
- enum heap_action_type hat)
-{
- GENERIC_LMM_ACTION(action).hat = hat;
- xbt_heap_push(cpu_action_heap, action, key);
-}
-
-static void heap_remove(surf_action_cpu_Cas01_t action)
-{
- GENERIC_LMM_ACTION(action).hat = NOTSET;
- if (GENERIC_LMM_ACTION(action).index_heap >= 0) {
- xbt_heap_remove(cpu_action_heap, GENERIC_LMM_ACTION(action).index_heap);
- }
-}
+/* This function is registered as a callback to sg_platf_new_host() and never called directly */
static void *cpu_create_resource(const char *name, double power_peak,
double power_scale,
tmgr_trace_t power_trace,
tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
cpu->constraint =
- lmm_constraint_new(cpu_maxmin_system, cpu,
+ lmm_constraint_new(surf_cpu_model->model_private->maxmin_system, cpu,
cpu->core * cpu->power_scale * cpu->power_peak);
xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, cpu);
static int cpu_resource_used(void *resource)
{
- return lmm_constraint_used(cpu_maxmin_system,
+ return lmm_constraint_used(surf_cpu_model->model_private->maxmin_system,
((cpu_Cas01_t) resource)->constraint);
}
-static int cpu_action_unref(surf_action_t action)
-{
- action->refcount--;
- if (!action->refcount) {
- xbt_swag_remove(action, action->state_set);
- if (((surf_action_lmm_t) action)->variable)
- lmm_variable_free(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable);
- if (cpu_update_mechanism == UM_LAZY) {
- /* remove from heap */
- heap_remove((surf_action_cpu_Cas01_t) action);
- xbt_swag_remove(action, cpu_modified_set);
- }
-#ifdef HAVE_TRACING
- xbt_free(action->category);
-#endif
- surf_action_free(&action);
- return 1;
- }
- return 0;
-}
-
-static void cpu_action_cancel(surf_action_t action)
-{
- surf_action_state_set(action, SURF_ACTION_FAILED);
- if (cpu_update_mechanism == UM_LAZY) {
- xbt_swag_remove(action, cpu_modified_set);
- heap_remove((surf_action_cpu_Cas01_t) action);
- }
- return;
-}
-
-static void cpu_action_state_set(surf_action_t action,
- e_surf_action_state_t state)
-{
-/* if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED)) */
-/* if(((surf_action_lmm_t)action)->variable) { */
-/* lmm_variable_disable(cpu_maxmin_system, ((surf_action_lmm_t)action)->variable); */
-/* ((surf_action_lmm_t)action)->variable = NULL; */
-/* } */
-
- surf_action_state_set(action, state);
- return;
-}
-
-static void update_action_remaining_lazy(double now)
-{
- surf_action_cpu_Cas01_t action;
- double delta = 0.0;
-
- xbt_swag_foreach(action, cpu_modified_set) {
- if (GENERIC_ACTION(action).state_set !=
- surf_cpu_model->states.running_action_set)
- continue; // FIXME useless ????
-
- /* bogus priority, skip it */
- if (GENERIC_ACTION(action).priority <= 0)
- continue;
-
- delta = now - GENERIC_LMM_ACTION(action).last_update;
- if (GENERIC_ACTION(action).remains > 0) {
-
- double_update(&(GENERIC_ACTION(action).remains),
- lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable) * delta);
-
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- cpu_Cas01_t cpu =
- lmm_constraint_id(lmm_get_cnst_from_var
- (cpu_maxmin_system,
- GENERIC_LMM_ACTION(action).variable, 0));
- TRACE_surf_host_set_utilization(cpu->generic_resource.name,
- ((surf_action_t)action)->category,
- lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable),
- GENERIC_LMM_ACTION(action).last_update,
- now - GENERIC_LMM_ACTION(action).last_update);
- }
-#endif
- XBT_DEBUG("Update action(%p) remains %lf", action,
- GENERIC_ACTION(action).remains);
- }
- GENERIC_LMM_ACTION(action).last_update = now;
- }
-
-}
-
static double cpu_share_resources_lazy(double now)
{
- surf_action_cpu_Cas01_t action = NULL;
- double min = -1;
- double value;
-
- XBT_DEBUG
- ("Before share resources, the size of modified actions set is %d",
- xbt_swag_size(cpu_modified_set));
- update_action_remaining_lazy(now);
-
- lmm_solve(cpu_maxmin_system);
-
- XBT_DEBUG
- ("After share resources, The size of modified actions set is %d",
- xbt_swag_size(cpu_modified_set));
-
- xbt_swag_foreach(action, cpu_modified_set) {
- int max_dur_flag = 0;
-
- if (GENERIC_ACTION(action).state_set !=
- surf_cpu_model->states.running_action_set)
- continue;
-
- /* bogus priority, skip it */
- if (GENERIC_ACTION(action).priority <= 0)
- continue;
-
- min = -1;
- value = lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable);
- if (value > 0) {
- if (GENERIC_ACTION(action).remains > 0) {
- value = GENERIC_ACTION(action).remains / value;
- min = now + value;
- } else {
- value = 0.0;
- min = now;
- }
- }
-
- if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION)
- && (min == -1
- || GENERIC_ACTION(action).start +
- GENERIC_ACTION(action).max_duration < min)) {
- min = GENERIC_ACTION(action).start +
- GENERIC_ACTION(action).max_duration;
- max_dur_flag = 1;
- }
-
- XBT_DEBUG("Action(%p) Start %lf Finish %lf Max_duration %lf", action,
- GENERIC_ACTION(action).start, now + value,
- GENERIC_ACTION(action).max_duration);
-
- if (min != -1) {
- heap_remove(action);
- heap_insert(action, min, max_dur_flag ? MAX_DURATION : NORMAL);
- XBT_DEBUG("Insert at heap action(%p) min %lf now %lf", action, min,
- now);
- } else DIE_IMPOSSIBLE;
- }
-
- //hereafter must have already the min value for this resource model
- if (xbt_heap_size(cpu_action_heap) > 0)
- min = xbt_heap_maxkey(cpu_action_heap) - now;
- else
- min = -1;
-
- XBT_DEBUG("The minimum with the HEAP %lf", min);
-
- return min;
+ return generic_share_resources_lazy(now, surf_cpu_model);
}
static double cpu_share_resources_full(double now)
xbt_swag_offset(action,
generic_lmm_action.
variable),
- cpu_maxmin_system, lmm_solve);
+ surf_cpu_model->model_private->maxmin_system, lmm_solve);
}
static void cpu_update_actions_state_lazy(double now, double delta)
{
- surf_action_cpu_Cas01_t action;
- while ((xbt_heap_size(cpu_action_heap) > 0)
- && (double_equals(xbt_heap_maxkey(cpu_action_heap), now))) {
- action = xbt_heap_pop(cpu_action_heap);
- XBT_DEBUG("Action %p: finish", action);
- GENERIC_ACTION(action).finish = surf_get_clock();
- /* set the remains to 0 due to precision problems when updating the remaining amount */
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- cpu_Cas01_t cpu =
- lmm_constraint_id(lmm_get_cnst_from_var
- (cpu_maxmin_system,
- GENERIC_LMM_ACTION(action).variable, 0));
- TRACE_surf_host_set_utilization(cpu->generic_resource.name,
- ((surf_action_t)action)->category,
- lmm_variable_getvalue(GENERIC_LMM_ACTION(action).variable),
- GENERIC_LMM_ACTION(action).last_update,
- now - GENERIC_LMM_ACTION(action).last_update);
- }
-#endif
- GENERIC_ACTION(action).remains = 0;
- cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- heap_remove(action);
- }
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- //defining the last timestamp that we can safely dump to trace file
- //without losing the event ascending order (considering all CPU's)
- double smaller = -1;
- xbt_swag_t running_actions = surf_cpu_model->states.running_action_set;
- xbt_swag_foreach(action, running_actions) {
- if (smaller < 0) {
- smaller = GENERIC_LMM_ACTION(action).last_update;
- continue;
- }
- if (GENERIC_LMM_ACTION(action).last_update < smaller) {
- smaller = GENERIC_LMM_ACTION(action).last_update;
- }
- }
- if (smaller > 0) {
- TRACE_last_timestamp_to_dump = smaller;
- }
- }
-#endif
- return;
+ generic_update_actions_state_lazy(now, delta, surf_cpu_model);
}
static void cpu_update_actions_state_full(double now, double delta)
{
- surf_action_cpu_Cas01_t action = NULL;
- surf_action_cpu_Cas01_t next_action = NULL;
- xbt_swag_t running_actions = surf_cpu_model->states.running_action_set;
- xbt_swag_foreach_safe(action, next_action, running_actions) {
-#ifdef HAVE_TRACING
- if (TRACE_is_enabled()) {
- cpu_Cas01_t x =
- lmm_constraint_id(lmm_get_cnst_from_var
- (cpu_maxmin_system,
- GENERIC_LMM_ACTION(action).variable, 0));
-
- TRACE_surf_host_set_utilization(x->generic_resource.name,
- ((surf_action_t)action)->category,
- lmm_variable_getvalue(GENERIC_LMM_ACTION(action).
- variable),
- now - delta,
- delta);
- TRACE_last_timestamp_to_dump = now - delta;
- }
-#endif
- double_update(&(GENERIC_ACTION(action).remains),
- lmm_variable_getvalue(GENERIC_LMM_ACTION(action).
- variable) * delta);
- if (GENERIC_LMM_ACTION(action).generic_action.max_duration !=
- NO_MAX_DURATION)
- double_update(&(GENERIC_ACTION(action).max_duration), delta);
- if ((GENERIC_ACTION(action).remains <= 0) &&
- (lmm_get_variable_weight(GENERIC_LMM_ACTION(action).variable) >
- 0)) {
- GENERIC_ACTION(action).finish = surf_get_clock();
- cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- } else if ((GENERIC_ACTION(action).max_duration != NO_MAX_DURATION) &&
- (GENERIC_ACTION(action).max_duration <= 0)) {
- GENERIC_ACTION(action).finish = surf_get_clock();
- cpu_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
- }
- }
-
- return;
+ generic_update_actions_state_full(now, delta, surf_cpu_model);
}
static void cpu_update_resource_state(void *id,
lmm_variable_t var = NULL;
lmm_element_t elem = NULL;
+ surf_watched_hosts();
+
if (event_type == cpu->power_event) {
cpu->power_scale = value;
- lmm_update_constraint_bound(cpu_maxmin_system, cpu->constraint,
+ lmm_update_constraint_bound(surf_cpu_model->model_private->maxmin_system, cpu->constraint,
cpu->core * cpu->power_scale *
cpu->power_peak);
#ifdef HAVE_TRACING
cpu->power_peak);
#endif
while ((var = lmm_get_var_from_cnst
- (cpu_maxmin_system, cpu->constraint, &elem))) {
+ (surf_cpu_model->model_private->maxmin_system, cpu->constraint, &elem))) {
surf_action_cpu_Cas01_t action = lmm_variable_id(var);
- lmm_update_variable_bound(cpu_maxmin_system,
+ lmm_update_variable_bound(surf_cpu_model->model_private->maxmin_system,
GENERIC_LMM_ACTION(action).variable,
cpu->power_scale * cpu->power_peak);
}
cpu->state_current = SURF_RESOURCE_OFF;
- while ((var = lmm_get_var_from_cnst(cpu_maxmin_system, cnst, &elem))) {
+ while ((var = lmm_get_var_from_cnst(surf_cpu_model->model_private->maxmin_system, cnst, &elem))) {
surf_action_t action = lmm_variable_id(var);
if (surf_action_state_get(action) == SURF_ACTION_RUNNING ||
surf_action_state_get(action) ==
SURF_ACTION_NOT_IN_THE_SYSTEM) {
action->finish = date;
- cpu_action_state_set(action, SURF_ACTION_FAILED);
+ surf_action_state_set(action, SURF_ACTION_FAILED);
}
}
}
calloc but it seems to help valgrind... */
GENERIC_LMM_ACTION(action).variable =
- lmm_variable_new(cpu_maxmin_system, action,
+ lmm_variable_new(surf_cpu_model->model_private->maxmin_system, action,
GENERIC_ACTION(action).priority,
CPU->power_scale * CPU->power_peak, 1);
- if (cpu_update_mechanism == UM_LAZY) {
+ if (surf_cpu_model->model_private->update_mechanism == UM_LAZY) {
GENERIC_LMM_ACTION(action).index_heap = -1;
GENERIC_LMM_ACTION(action).last_update = surf_get_clock();
+ GENERIC_LMM_ACTION(action).last_value = 0.0;
}
- lmm_expand(cpu_maxmin_system, CPU->constraint,
+ lmm_expand(surf_cpu_model->model_private->maxmin_system, CPU->constraint,
GENERIC_LMM_ACTION(action).variable, 1.0);
XBT_OUT();
return (surf_action_t) action;
XBT_IN("(%s,%g)", surf_resource_name(cpu), duration);
action = (surf_action_cpu_Cas01_t) cpu_execute(cpu, 1.0);
+ // FIXME: sleep variables should not consume 1.0 in lmm_expand
GENERIC_ACTION(action).max_duration = duration;
GENERIC_LMM_ACTION(action).suspended = 2;
if (duration == NO_MAX_DURATION) {
xbt_swag_insert(action, ((surf_action_t) action)->state_set);
}
- lmm_update_variable_weight(cpu_maxmin_system,
+ lmm_update_variable_weight(surf_cpu_model->model_private->maxmin_system,
GENERIC_LMM_ACTION(action).variable, 0.0);
- if (cpu_update_mechanism == UM_LAZY) { // remove action from the heap
- heap_remove((surf_action_cpu_Cas01_t) action);
+ if (surf_cpu_model->model_private->update_mechanism == UM_LAZY) { // remove action from the heap
+ surf_action_lmm_heap_remove(surf_cpu_model->model_private->action_heap,(surf_action_lmm_t)action);
// this is necessary for a variable with weight 0 since such
// variables are ignored in lmm and we need to set its max_duration
// correctly at the next call to share_resources
- xbt_swag_insert_at_head(action,cpu_modified_set);
+ xbt_swag_insert_at_head(action,surf_cpu_model->model_private->modified_set);
}
XBT_OUT();
return (surf_action_t) action;
}
-static void cpu_action_suspend(surf_action_t action)
-{
- XBT_IN("(%p)", action);
- if (((surf_action_lmm_t) action)->suspended != 2) {
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable,
- 0.0);
- ((surf_action_lmm_t) action)->suspended = 1;
- if (cpu_update_mechanism == UM_LAZY)
- heap_remove((surf_action_cpu_Cas01_t) action);
- }
- XBT_OUT();
-}
-
-static void cpu_action_resume(surf_action_t action)
-{
-
- XBT_IN("(%p)", action);
- if (((surf_action_lmm_t) action)->suspended != 2) {
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable,
- action->priority);
- ((surf_action_lmm_t) action)->suspended = 0;
- if (cpu_update_mechanism == UM_LAZY)
- heap_remove((surf_action_cpu_Cas01_t) action);
- }
- XBT_OUT();
-}
-
-static int cpu_action_is_suspended(surf_action_t action)
-{
- return (((surf_action_lmm_t) action)->suspended == 1);
-}
-
-static void cpu_action_set_max_duration(surf_action_t action,
- double duration)
-{
- XBT_IN("(%p,%g)", action, duration);
-
- action->max_duration = duration;
- if (cpu_update_mechanism == UM_LAZY)
- heap_remove((surf_action_cpu_Cas01_t) action);
- XBT_OUT();
-}
-
-static void cpu_action_set_priority(surf_action_t action, double priority)
-{
- XBT_IN("(%p,%g)", action, priority);
- action->priority = priority;
- lmm_update_variable_weight(cpu_maxmin_system,
- ((surf_action_lmm_t) action)->variable,
- priority);
-
- if (cpu_update_mechanism == UM_LAZY)
- heap_remove((surf_action_cpu_Cas01_t) action);
- XBT_OUT();
-}
-
-#ifdef HAVE_TRACING
-static void cpu_action_set_category(surf_action_t action,
- const char *category)
-{
- XBT_IN("(%p,%s)", action, category);
- action->category = xbt_strdup(category);
- XBT_OUT();
-}
-#endif
-
-static double cpu_action_get_remains(surf_action_t action)
-{
- XBT_IN("(%p)", action);
- /* update remains before return it */
- if (cpu_update_mechanism == UM_LAZY)
- update_action_remaining_lazy(surf_get_clock());
- XBT_OUT();
- return action->remains;
-}
-
static e_surf_resource_state_t cpu_get_state(void *cpu)
{
return ((cpu_Cas01_t) cpu)->state_current;
static void cpu_finalize(void)
{
- lmm_system_free(cpu_maxmin_system);
- cpu_maxmin_system = NULL;
+ lmm_system_free(surf_cpu_model->model_private->maxmin_system);
+ surf_cpu_model->model_private->maxmin_system = NULL;
+
+ if (surf_cpu_model->model_private->action_heap)
+ xbt_heap_free(surf_cpu_model->model_private->action_heap);
+ xbt_swag_free(surf_cpu_model->model_private->modified_set);
surf_model_exit(surf_cpu_model);
surf_cpu_model = NULL;
xbt_swag_free(cpu_running_action_set_that_does_not_need_being_checked);
cpu_running_action_set_that_does_not_need_being_checked = NULL;
- if (cpu_action_heap)
- xbt_heap_free(cpu_action_heap);
}
static void surf_cpu_model_init_internal()
s_surf_action_t action;
s_surf_action_cpu_Cas01_t comp;
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
+ int select =
+ xbt_cfg_get_int(_sg_cfg_set, "cpu/maxmin_selective_update");
+
surf_cpu_model = surf_model_init();
+ if (!strcmp(optim, "Full")) {
+ surf_cpu_model->model_private->update_mechanism = UM_FULL;
+ surf_cpu_model->model_private->selective_update = select;
+ } else if (!strcmp(optim, "Lazy")) {
+ surf_cpu_model->model_private->update_mechanism = UM_LAZY;
+ surf_cpu_model->model_private->selective_update = 1;
+ xbt_assert((select == 1)
+ ||
+ (xbt_cfg_is_default_value
+ (_sg_cfg_set, "cpu/maxmin_selective_update")),
+ "Disabling selective update while using the lazy update mechanism is dumb!");
+ } else {
+ xbt_die("Unsupported optimization (%s) for this model", optim);
+ }
+
cpu_running_action_set_that_does_not_need_being_checked =
xbt_swag_new(xbt_swag_offset(action, state_hookup));
surf_cpu_model->name = "cpu";
- surf_cpu_model->action_unref = cpu_action_unref;
- surf_cpu_model->action_cancel = cpu_action_cancel;
- surf_cpu_model->action_state_set = cpu_action_state_set;
+ surf_cpu_model->action_unref = surf_action_unref;
+ surf_cpu_model->action_cancel = surf_action_cancel;
+ surf_cpu_model->action_state_set = surf_action_state_set;
surf_cpu_model->model_private->resource_used = cpu_resource_used;
- if (cpu_update_mechanism == UM_LAZY) {
+ if (surf_cpu_model->model_private->update_mechanism == UM_LAZY) {
surf_cpu_model->model_private->share_resources =
cpu_share_resources_lazy;
surf_cpu_model->model_private->update_actions_state =
cpu_update_actions_state_lazy;
- } else if (cpu_update_mechanism == UM_FULL) {
+ } else if (surf_cpu_model->model_private->update_mechanism == UM_FULL) {
surf_cpu_model->model_private->share_resources =
cpu_share_resources_full;
surf_cpu_model->model_private->update_actions_state =
cpu_update_actions_state_full;
} else
- xbt_die("Invalid update mechanism!");
+ xbt_die("Invalid cpu update mechanism!");
surf_cpu_model->model_private->update_resource_state =
cpu_update_resource_state;
surf_cpu_model->model_private->finalize = cpu_finalize;
- surf_cpu_model->suspend = cpu_action_suspend;
- surf_cpu_model->resume = cpu_action_resume;
- surf_cpu_model->is_suspended = cpu_action_is_suspended;
- surf_cpu_model->set_max_duration = cpu_action_set_max_duration;
- surf_cpu_model->set_priority = cpu_action_set_priority;
+ surf_cpu_model->suspend = surf_action_suspend;
+ surf_cpu_model->resume = surf_action_resume;
+ surf_cpu_model->is_suspended = surf_action_is_suspended;
+ surf_cpu_model->set_max_duration = surf_action_set_max_duration;
+ surf_cpu_model->set_priority = surf_action_set_priority;
#ifdef HAVE_TRACING
- surf_cpu_model->set_category = cpu_action_set_category;
+ surf_cpu_model->set_category = surf_action_set_category;
#endif
- surf_cpu_model->get_remains = cpu_action_get_remains;
+ surf_cpu_model->get_remains = surf_action_get_remains;
surf_cpu_model->extension.cpu.execute = cpu_execute;
surf_cpu_model->extension.cpu.sleep = cpu_action_sleep;
surf_cpu_model->extension.cpu.get_speed = cpu_get_speed;
surf_cpu_model->extension.cpu.get_available_speed =
cpu_get_available_speed;
- surf_cpu_model->extension.cpu.create_resource = cpu_create_resource;
surf_cpu_model->extension.cpu.add_traces = cpu_add_traces_cpu;
- if (!cpu_maxmin_system) {
- cpu_maxmin_system = lmm_system_new(cpu_selective_update);
+ if (!surf_cpu_model->model_private->maxmin_system) {
+ surf_cpu_model->model_private->maxmin_system = lmm_system_new(surf_cpu_model->model_private->selective_update);
}
- if (cpu_update_mechanism == UM_LAZY) {
- cpu_action_heap = xbt_heap_new(8, NULL);
- xbt_heap_set_update_callback(cpu_action_heap,
- net_action_update_index_heap);
- cpu_modified_set =
+ if (surf_cpu_model->model_private->update_mechanism == UM_LAZY) {
+ surf_cpu_model->model_private->action_heap = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(surf_cpu_model->model_private->action_heap,
+ surf_action_lmm_update_index_heap);
+ surf_cpu_model->model_private->modified_set =
xbt_swag_new(xbt_swag_offset(comp, generic_lmm_action.action_list_hookup));
- cpu_maxmin_system->keep_track = cpu_modified_set;
+ surf_cpu_model->model_private->maxmin_system->keep_track = surf_cpu_model->model_private->modified_set;
}
}
void surf_cpu_model_init_Cas01()
{
- char *optim = xbt_cfg_get_string(_surf_cfg_set, "cpu/optim");
- int select =
- xbt_cfg_get_int(_surf_cfg_set, "cpu/maxmin_selective_update");
+ char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
- if (!strcmp(optim, "Full")) {
- cpu_update_mechanism = UM_FULL;
- cpu_selective_update = select;
- } else if (!strcmp(optim, "Lazy")) {
- cpu_update_mechanism = UM_LAZY;
- cpu_selective_update = 1;
- xbt_assert((select == 1)
- ||
- (xbt_cfg_is_default_value
- (_surf_cfg_set, "cpu/maxmin_selective_update")),
- "Disabling selective update while using the lazy update mechanism is dumb!");
- } else if (!strcmp(optim, "TI")) {
+ if (surf_cpu_model)
+ return;
+
+ if (!strcmp(optim, "TI")) {
surf_cpu_model_init_ti();
return;
- } else {
- xbt_die("Unsupported optimization (%s) for this model", optim);
}
- if (surf_cpu_model)
- return;
surf_cpu_model_init_internal();
cpu_define_callbacks();
xbt_dynar_push(model_list, &surf_cpu_model);
