+/* Copyright (c) 2013-2015. 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 "cpu_ti.hpp"
#include "trace_mgr_private.h"
#include "xbt/heap.h"
(xbt_dynar_length(power_trace->s_list.event_list) + 1));
p_integral = (double*) xbt_malloc0(sizeof(double) *
(xbt_dynar_length(power_trace->s_list.event_list) + 1));
- m_nbPoints = xbt_dynar_length(power_trace->s_list.event_list);
+ m_nbPoints = xbt_dynar_length(power_trace->s_list.event_list) + 1;
xbt_dynar_foreach(power_trace->s_list.event_list, cpt, val) {
p_timePoints[i] = time;
p_integral[i] = integral;
/**
* \brief Auxiliary function to calculate the integral between a and b.
- * It simply calculates the integral at point a and b and returns the difference
+ * It simply calculates the integral at point a and b and returns the difference
* between them.
* \param trace Trace structure
* \param a Initial point
("a %f ind %d integral %f ind + 1 %f ind %f time +1 %f time %f",
a, ind, integral, p_integral[ind + 1], p_integral[ind],
p_timePoints[ind + 1], p_timePoints[ind]);
- double_update(&a_aux, p_timePoints[ind]);
+ double_update(&a_aux, p_timePoints[ind], sg_maxmin_precision*sg_surf_precision);
if (a_aux > 0)
integral +=
((p_integral[ind + 1] -
* It returns the date when the requested amount of flops is available
* \param trace Trace structure
* \param a Initial point
- * \param amount Amount of flops
+ * \param amount Amount of flops
* \return The date when amount is available.
*/
double CpuTiTrace::solveSimple(double a, double amount)
if (!power_trace) {
m_type = TRACE_FIXED;
m_value = value;
- XBT_DEBUG("No availability trace. Constant value = %lf", value);
+ XBT_DEBUG("No availability trace. Constant value = %f", value);
return;
}
m_lastTime = total_time;
m_total = p_trace->integrateSimple(0, total_time);
- XBT_DEBUG("Total integral %lf, last_time %lf ",
+ XBT_DEBUG("Total integral %f, last_time %f ",
m_total, m_lastTime);
}
/**
* \brief Binary search in array.
- * It returns the first point of the interval in which "a" is.
+ * It returns the first point of the interval in which "a" is.
* \param array Array
* \param a Value to search
* \param low Low bound to search in array
* CallBacks *
*************/
-static void parse_cpu_ti_init(sg_platf_host_cbarg_t host){
- ((CpuTiModelPtr)surf_cpu_model_pm)->parseInit(host);
-}
-
-static void add_traces_cpu_ti(){
- surf_cpu_model_pm->addTraces();
-}
-
static void cpu_ti_define_callbacks()
{
- sg_platf_host_add_cb(parse_cpu_ti_init);
- sg_platf_postparse_add_cb(add_traces_cpu_ti);
+ sg_platf_host_add_cb(cpu_parse_init);
+ sg_platf_postparse_add_cb(cpu_add_traces);
}
/*********
xbt_assert(!surf_cpu_model_vm,"CPU model already initialized. This should not happen.");
surf_cpu_model_pm = new CpuTiModel();
- surf_cpu_model_vm = new CpuTiModel();
+ surf_cpu_model_vm = new CpuTiModel();
cpu_ti_define_callbacks();
- ModelPtr model_pm = static_cast<ModelPtr>(surf_cpu_model_pm);
- ModelPtr model_vm = static_cast<ModelPtr>(surf_cpu_model_vm);
- xbt_dynar_push(model_list, &model_pm);
- xbt_dynar_push(model_list, &model_vm);
+ Model *model_pm = static_cast<Model*>(surf_cpu_model_pm);
+ Model *model_vm = static_cast<Model*>(surf_cpu_model_vm);
+ xbt_dynar_push(all_existing_models, &model_pm);
+ xbt_dynar_push(all_existing_models, &model_vm);
}
-CpuTiModel::CpuTiModel() : CpuModel("cpu_ti")
+CpuTiModel::CpuTiModel() : CpuModel()
{
- CpuTiPtr cpu = NULL;
-
p_runningActionSetThatDoesNotNeedBeingChecked = new ActionList();
- p_modifiedCpu =
- xbt_swag_new(xbt_swag_offset(*cpu, p_modifiedCpuHookup));
+ p_modifiedCpu = new CpuTiList();
p_tiActionHeap = xbt_heap_new(8, NULL);
xbt_heap_set_update_callback(p_tiActionHeap,
CpuTiModel::~CpuTiModel()
{
surf_cpu_model_pm = NULL;
-
delete p_runningActionSetThatDoesNotNeedBeingChecked;
- xbt_swag_free(p_modifiedCpu);
+ delete p_modifiedCpu;
xbt_heap_free(p_tiActionHeap);
}
-void CpuTiModel::parseInit(sg_platf_host_cbarg_t host)
-{
- createResource(host->id,
- host->power_peak,
- host->pstate,
- host->power_scale,
- host->power_trace,
- host->core_amount,
- host->initial_state,
- host->state_trace,
- host->properties);
-}
-
-CpuTiPtr CpuTiModel::createResource(const char *name,
+Cpu *CpuTiModel::createCpu(const char *name,
xbt_dynar_t powerPeak,
int pstate,
double powerScale,
xbt_dict_t cpuProperties)
{
xbt_assert(core==1,"Multi-core not handled with this model yet");
- xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
+ sg_host_t host = sg_host_by_name(name);
+ xbt_assert(!sg_host_surfcpu(host),
"Host '%s' declared several times in the platform file",
name);
- CpuTiPtr cpu = new CpuTi(this, name, powerPeak, pstate, powerScale, powerTrace,
+ xbt_assert(xbt_dynar_getfirst_as(powerPeak, double) > 0.0,
+ "Power has to be >0.0. Did you forget to specify the mandatory power attribute?");
+ CpuTi *cpu = new CpuTi(this, name, powerPeak, pstate, powerScale, powerTrace,
core, stateInitial, stateTrace, cpuProperties);
- xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast<ResourcePtr>(cpu));
+ sg_host_surfcpu_set(host, cpu);
return cpu;
}
-CpuTiActionPtr CpuTiModel::createAction(double /*cost*/, bool /*failed*/)
-{
- return NULL;//new CpuTiAction(this, cost, failed);
-}
-
double CpuTiModel::shareResources(double now)
{
- void *_cpu, *_cpu_next;
double min_action_duration = -1;
/* iterates over modified cpus to update share resources */
- xbt_swag_foreach_safe(_cpu, _cpu_next, p_modifiedCpu) {
- static_cast<CpuTiPtr>(_cpu)->updateActionsFinishTime(now);
+ for(CpuTiList::iterator it(p_modifiedCpu->begin()), itend(p_modifiedCpu->end())
+ ; it != itend ;) {
+ CpuTi *ti = &*it;
+ ++it;
+ ti->updateActionsFinishTime(now);
}
+
/* get the min next event if heap not empty */
if (xbt_heap_size(p_tiActionHeap) > 0)
min_action_duration = xbt_heap_maxkey(p_tiActionHeap) - now;
{
while ((xbt_heap_size(p_tiActionHeap) > 0)
&& (xbt_heap_maxkey(p_tiActionHeap) <= now)) {
- CpuTiActionPtr action = (CpuTiActionPtr) xbt_heap_pop(p_tiActionHeap);
+ CpuTiAction *action = (CpuTiAction*) xbt_heap_pop(p_tiActionHeap);
XBT_DEBUG("Action %p: finish", action);
action->finish();
/* set the remains to 0 due to precision problems when updating the remaining amount */
/* connect all traces relative to hosts */
xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- CpuTiPtr cpu = static_cast<CpuTiPtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm)));
+ CpuTi *cpu = static_cast<CpuTi*>(sg_host_surfcpu(sg_host_by_name(elm)));
xbt_assert(cpu, "Host %s undefined", elm);
xbt_assert(trace, "Trace %s undefined", trace_name);
continue;
}
XBT_DEBUG("Add state trace: %s to CPU(%s)", trace_name, elm);
- cpu->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast<ResourcePtr>(cpu));
+ cpu->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, cpu);
}
xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- CpuTiPtr cpu = dynamic_cast<CpuTiPtr>(static_cast<ResourcePtr>(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm))));
+ CpuTi *cpu = static_cast<CpuTi*>(sg_host_surfcpu(sg_host_by_name(elm)));
xbt_assert(cpu, "Host %s undefined", elm);
xbt_assert(trace, "Trace %s undefined", trace_name);
empty_trace = tmgr_empty_trace_new();
cpu->p_powerEvent =
tmgr_history_add_trace(history, empty_trace,
- cpu->p_availTrace->m_lastTime, 0, static_cast<ResourcePtr>(cpu));
+ cpu->p_availTrace->m_lastTime, 0, cpu);
}
}
}
/************
* Resource *
************/
-CpuTi::CpuTi(CpuTiModelPtr model, const char *name, xbt_dynar_t powerPeak,
+CpuTi::CpuTi(CpuTiModel *model, const char *name, xbt_dynar_t powerPeak,
int pstate, double powerScale, tmgr_trace_t powerTrace, int core,
e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace,
xbt_dict_t properties)
-: Resource(model, name, properties)
-, Cpu(core, 0, powerScale) {
+: Cpu(model, name, properties, core, 0, powerScale)
+{
p_powerEvent = NULL;
- m_stateCurrent = stateInitial;
+ setState(stateInitial);
m_powerScale = powerScale;
m_core = core;
- tmgr_trace_t empty_trace;
- s_tmgr_event_t val;
+ tmgr_trace_t empty_trace;
+ s_tmgr_event_t val;
xbt_assert(core==1,"Multi-core not handled with this model yet");
- XBT_DEBUG("power scale %lf", powerScale);
+ XBT_DEBUG("power scale %f", powerScale);
p_availTrace = new CpuTiTgmr(powerTrace, powerScale);
- CpuTiActionPtr action = NULL;
- p_actionSet = xbt_swag_new(xbt_swag_offset(*action, p_cpuListHookup));
+ p_actionSet = new ActionTiList();
m_lastUpdate = 0;
xbt_dynar_get_cpy(powerPeak, 0, &m_powerPeak);
xbt_dynar_free(&powerPeak); /* kill memory leak */
- m_pstate = pstate;
- XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_powerPeak, m_pstate);
-
- p_modifiedCpuHookup.prev = 0;
- p_modifiedCpuHookup.next = 0;
+ XBT_DEBUG("CPU create: peak=%f", m_powerPeak);
if (stateTrace)
- p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, static_cast<ResourcePtr>(this));
+ p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
if (powerTrace && xbt_dynar_length(powerTrace->s_list.event_list) > 1) {
- // add a fake trace event if periodicity == 0
+ // add a fake trace event if periodicity == 0
xbt_dynar_get_cpy(powerTrace->s_list.event_list,
xbt_dynar_length(powerTrace->s_list.event_list) - 1, &val);
if (val.delta == 0) {
empty_trace = tmgr_empty_trace_new();
p_powerEvent =
tmgr_history_add_trace(history, empty_trace,
- p_availTrace->m_lastTime, 0, static_cast<ResourcePtr>(this));
+ p_availTrace->m_lastTime, 0, this);
}
}
};
CpuTi::~CpuTi(){
-delete p_availTrace;
-xbt_swag_free(p_actionSet);
+ modified(false);
+ delete p_availTrace;
+ delete p_actionSet;
}
void CpuTi::updateState(tmgr_trace_event_t event_type,
double value, double date)
{
- void *_action;
- CpuTiActionPtr action;
+ CpuTiAction *action;
if (event_type == p_powerEvent) {
tmgr_trace_t power_trace;
- CpuTiTgmrPtr trace;
+ CpuTiTgmr *trace;
s_tmgr_event_t val;
- XBT_DEBUG("Finish trace date: %f value %lf date %f", surf_get_clock(),
+ XBT_DEBUG("Finish trace date: %f value %f date %f", surf_get_clock(),
value, date);
/* update remaining of actions and put in modified cpu swag */
updateRemainingAmount(date);
- xbt_swag_insert(this, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+
+ modified(true);
power_trace = p_availTrace->p_powerTrace;
xbt_dynar_get_cpy(power_trace->s_list.event_list,
} else if (event_type == p_stateEvent) {
if (value > 0) {
- if(m_stateCurrent == SURF_RESOURCE_OFF)
+ if(getState() == SURF_RESOURCE_OFF)
xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
- m_stateCurrent = SURF_RESOURCE_ON;
+ setState(SURF_RESOURCE_ON);
} else {
- m_stateCurrent = SURF_RESOURCE_OFF;
+ setState(SURF_RESOURCE_OFF);
/* put all action running on cpu to failed */
- xbt_swag_foreach(_action, p_actionSet) {
- action = static_cast<CpuTiActionPtr>(_action);
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
if (action->getState() == SURF_ACTION_RUNNING
|| action->getState() == SURF_ACTION_READY
|| action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
action->setFinishTime(date);
action->setState(SURF_ACTION_FAILED);
if (action->m_indexHeap >= 0) {
- CpuTiActionPtr heap_act = (CpuTiActionPtr)
- xbt_heap_remove(reinterpret_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, action->m_indexHeap);
+ CpuTiAction *heap_act = (CpuTiAction*)
+ xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, action->m_indexHeap);
if (heap_act != action)
DIE_IMPOSSIBLE;
}
void CpuTi::updateActionsFinishTime(double now)
{
- void *_action;
- CpuTiActionPtr action;
+ CpuTiAction *action;
double sum_priority = 0.0, total_area, min_finish = -1;
/* update remaning amount of actions */
updateRemainingAmount(now);
- xbt_swag_foreach(_action, p_actionSet) {
- action = static_cast<CpuTiActionPtr>(_action);
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
/* action not running, skip it */
if (action->getStateSet() !=
surf_cpu_model_pm->getRunningActionSet())
}
m_sumPriority = sum_priority;
- xbt_swag_foreach(_action, p_actionSet) {
- action = static_cast<CpuTiActionPtr>(_action);
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
min_finish = -1;
/* action not running, skip it */
if (action->getStateSet() !=
/* add in action heap */
XBT_DEBUG("action(%p) index %d", action, action->m_indexHeap);
if (action->m_indexHeap >= 0) {
- CpuTiActionPtr heap_act = (CpuTiActionPtr)
- xbt_heap_remove(reinterpret_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, action->m_indexHeap);
+ CpuTiAction *heap_act = (CpuTiAction*)
+ xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, action->m_indexHeap);
if (heap_act != action)
DIE_IMPOSSIBLE;
}
if (min_finish != NO_MAX_DURATION)
- xbt_heap_push(reinterpret_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, action, min_finish);
+ xbt_heap_push(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, action, min_finish);
XBT_DEBUG
("Update finish time: Cpu(%s) Action: %p, Start Time: %f Finish Time: %f Max duration %f",
action->getMaxDuration());
}
/* remove from modified cpu */
- xbt_swag_remove(this, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ modified(false);
}
bool CpuTi::isUsed()
{
- return xbt_swag_size(p_actionSet);
+ return !p_actionSet->empty();
}
-
-
double CpuTi::getAvailableSpeed()
{
m_powerScale = p_availTrace->getPowerScale(surf_get_clock());
void CpuTi::updateRemainingAmount(double now)
{
double area_total;
- void* _action;
- CpuTiActionPtr action;
+ CpuTiAction *action;
/* already updated */
if (m_lastUpdate >= now)
XBT_DEBUG("Flops total: %f, Last update %f", area_total,
m_lastUpdate);
- xbt_swag_foreach(_action, p_actionSet) {
- action = static_cast<CpuTiActionPtr>(_action);
+ for(ActionTiList::iterator it(p_actionSet->begin()), itend(p_actionSet->end())
+ ; it != itend ; ++it) {
+ action = &*it;
/* action not running, skip it */
if (action->getStateSet() !=
getModel()->getRunningActionSet())
m_lastUpdate = now;
}
-CpuActionPtr CpuTi::execute(double size)
+CpuAction *CpuTi::execute(double size)
{
XBT_IN("(%s,%g)", getName(), size);
- CpuTiActionPtr action = new CpuTiAction(static_cast<CpuTiModelPtr>(getModel()), size, m_stateCurrent != SURF_RESOURCE_ON, this);
+ CpuTiAction *action = new CpuTiAction(static_cast<CpuTiModel*>(getModel()), size, getState() != SURF_RESOURCE_ON, this);
- xbt_swag_insert(action, p_actionSet);
+ p_actionSet->push_back(*action);
XBT_OUT();
return action;
}
-CpuActionPtr CpuTi::sleep(double duration)
+CpuAction *CpuTi::sleep(double duration)
{
if (duration > 0)
- duration = MAX(duration, MAXMIN_PRECISION);
+ duration = MAX(duration, sg_surf_precision);
XBT_IN("(%s,%g)", getName(), duration);
- CpuTiActionPtr action = new CpuTiAction(static_cast<CpuTiModelPtr>(getModel()), 1.0, m_stateCurrent != SURF_RESOURCE_ON, this);
+ CpuTiAction *action = new CpuTiAction(static_cast<CpuTiModel*>(getModel()), 1.0, getState() != SURF_RESOURCE_ON, this);
action->m_maxDuration = duration;
action->m_suspended = 2;
/* Move to the *end* of the corresponding action set. This convention
is used to speed up update_resource_state */
action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
- action->p_stateSet = reinterpret_cast<CpuTiModelPtr>(getModel())->p_runningActionSetThatDoesNotNeedBeingChecked;
- action->getStateSet()->push_back(*static_cast<ActionPtr>(action));
+ action->p_stateSet = static_cast<CpuTiModel*>(getModel())->p_runningActionSetThatDoesNotNeedBeingChecked;
+ action->getStateSet()->push_back(*action);
}
- xbt_swag_insert(action, p_actionSet);
+ p_actionSet->push_back(*action);
XBT_OUT();
return action;
}
+void CpuTi::modified(bool modified){
+ CpuTiList *modifiedCpu = static_cast<CpuTiModel*>(getModel())->p_modifiedCpu;
+ if (modified) {
+ if (!cpu_ti_hook.is_linked()) {
+ modifiedCpu->push_back(*this);
+ }
+ } else {
+ if (cpu_ti_hook.is_linked()) {
+ modifiedCpu->erase(modifiedCpu->iterator_to(*this));
+ }
+ }
+}
+
/**********
* Action *
**********/
static void cpu_ti_action_update_index_heap(void *action, int i)
{
-((CpuTiActionPtr)action)->updateIndexHeap(i);
+((CpuTiAction*)action)->updateIndexHeap(i);
}
-CpuTiAction::CpuTiAction(CpuTiModelPtr model_, double cost, bool failed,
- CpuTiPtr cpu)
- : Action(model_, cost, failed)
- , CpuAction(model_, cost, failed)
+CpuTiAction::CpuTiAction(CpuTiModel *model_, double cost, bool failed,
+ CpuTi *cpu)
+ : CpuAction(model_, cost, failed)
{
- p_cpuListHookup.next = 0;
- p_cpuListHookup.prev = 0;
-
m_suspended = 0; /* Should be useless because of the
calloc but it seems to help valgrind... */
p_cpu = cpu;
m_indexHeap = -1;
- xbt_swag_insert(cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ p_cpu->modified(true);
}
void CpuTiAction::updateIndexHeap(int i)
void CpuTiAction::setState(e_surf_action_state_t state)
{
- Action::setState(state);
- xbt_swag_insert(p_cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ CpuAction::setState(state);
+ p_cpu->modified(true);
}
int CpuTiAction::unref()
{
m_refcount--;
if (!m_refcount) {
- if (actionHook::is_linked())
+ if (action_hook.is_linked())
getStateSet()->erase(getStateSet()->iterator_to(*this));
/* remove from action_set */
- xbt_swag_remove(this, p_cpu->p_actionSet);
+ if (action_ti_hook.is_linked())
+ p_cpu->p_actionSet->erase(p_cpu->p_actionSet->iterator_to(*this));
/* remove from heap */
- xbt_heap_remove(reinterpret_cast<CpuTiModelPtr>(getModel())->p_tiActionHeap, this->m_indexHeap);
- xbt_swag_insert(p_cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->p_tiActionHeap, this->m_indexHeap);
+ p_cpu->modified(true);
delete this;
return 1;
}
{
this->setState(SURF_ACTION_FAILED);
xbt_heap_remove(getModel()->getActionHeap(), this->m_indexHeap);
- xbt_swag_insert(p_cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ p_cpu->modified(true);
return;
}
-void CpuTiAction::recycle()
-{
- DIE_IMPOSSIBLE;
-}
-
void CpuTiAction::suspend()
{
XBT_IN("(%p)", this);
if (m_suspended != 2) {
m_suspended = 1;
xbt_heap_remove(getModel()->getActionHeap(), m_indexHeap);
- xbt_swag_insert(p_cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ p_cpu->modified(true);
}
XBT_OUT();
}
XBT_IN("(%p)", this);
if (m_suspended != 2) {
m_suspended = 0;
- xbt_swag_insert(p_cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ p_cpu->modified(true);
}
XBT_OUT();
}
/* add in action heap */
if (m_indexHeap >= 0) {
- CpuTiActionPtr heap_act = (CpuTiActionPtr)
+ CpuTiAction *heap_act = (CpuTiAction*)
xbt_heap_remove(getModel()->getActionHeap(), m_indexHeap);
if (heap_act != this)
DIE_IMPOSSIBLE;
{
XBT_IN("(%p,%g)", this, priority);
m_priority = priority;
- xbt_swag_insert(p_cpu, reinterpret_cast<CpuTiModelPtr>(getModel())->p_modifiedCpu);
+ p_cpu->modified(true);
XBT_OUT();
}