+/* 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 "solver.hpp"
+#include "xbt/heap.h"
+#include "src/surf/trace_mgr.hpp"
#ifndef SURF_MODEL_CPUTI_H_
#define SURF_MODEL_CPUTI_H_
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_tii, surf,
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_ti, surf_cpu,
"Logging specific to the SURF CPU TRACE INTEGRATION module");
-static std::vector<CpuTiActionPtr>
- cpu_ti_running_action_set_that_does_not_need_being_checked;
-static std::vector<CpuTiPtr> cpu_ti_modified_cpu;
-static std::vector<CpuTiActionPtr> cpu_ti_action_heap;
+namespace simgrid {
+namespace surf {
+
+static inline
+void cpu_ti_action_update_index_heap(void *action, int i)
+{
+ ((simgrid::surf::CpuTiAction*)action)->updateIndexHeap(i);
+}
/*********
* Trace *
*********/
-static double surf_cpu_ti_integrate_trace(surf_cpu_ti_tgmr_t trace,
- double a, double b);
-
-
-static double surf_cpu_ti_solve_trace(surf_cpu_ti_tgmr_t trace, double a,
- double amount);
-static double surf_cpu_ti_solve_trace_somewhat_simple(surf_cpu_ti_tgmr_t
- trace, double a,
- double amount);
-
-static void surf_cpu_ti_free_tmgr(surf_cpu_ti_tgmr_t trace);
-
-static double surf_cpu_ti_integrate_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double b);
-static double surf_cpu_ti_integrate_trace_simple_point(surf_cpu_ti_trace_t
- trace, double a);
-static double surf_cpu_ti_solve_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double amount);
-static int surf_cpu_ti_binary_search(double *array, double a, int low,
- int high);
-
-static void surf_cpu_ti_free_trace(surf_cpu_ti_trace_t trace)
-{
- xbt_free(trace->time_points);
- xbt_free(trace->integral);
- xbt_free(trace);
-}
-
-static void surf_cpu_ti_free_tmgr(surf_cpu_ti_tgmr_t trace)
-{
- if (trace->trace)
- surf_cpu_ti_free_trace(trace->trace);
- xbt_free(trace);
-}
-static surf_cpu_ti_trace_t surf_cpu_ti_trace_new(tmgr_trace_t power_trace)
+CpuTiTrace::CpuTiTrace(tmgr_trace_t speedTrace)
{
- surf_cpu_ti_trace_t trace;
s_tmgr_event_t val;
unsigned int cpt;
double integral = 0;
double time = 0;
int i = 0;
- trace = xbt_new0(s_surf_cpu_ti_trace_t, 1);
- trace->time_points = (double*) xbt_malloc0(sizeof(double) *
- (xbt_dynar_length(power_trace->s_list.event_list) + 1));
- trace->integral = (double*) xbt_malloc0(sizeof(double) *
- (xbt_dynar_length(power_trace->s_list.event_list) + 1));
- trace->nb_points = xbt_dynar_length(power_trace->s_list.event_list);
- xbt_dynar_foreach(power_trace->s_list.event_list, cpt, val) {
- trace->time_points[i] = time;
- trace->integral[i] = integral;
+ timePoints_ = (double*) xbt_malloc0(sizeof(double) *
+ (xbt_dynar_length(speedTrace->event_list) + 1));
+ integral_ = (double*) xbt_malloc0(sizeof(double) *
+ (xbt_dynar_length(speedTrace->event_list) + 1));
+ nbPoints_ = xbt_dynar_length(speedTrace->event_list) + 1;
+ xbt_dynar_foreach(speedTrace->event_list, cpt, val) {
+ timePoints_[i] = time;
+ integral_[i] = integral;
integral += val.delta * val.value;
time += val.delta;
i++;
}
- trace->time_points[i] = time;
- trace->integral[i] = integral;
- return trace;
+ timePoints_[i] = time;
+ integral_[i] = integral;
+}
+
+CpuTiTrace::~CpuTiTrace()
+{
+ xbt_free(timePoints_);
+ xbt_free(integral_);
+}
+
+CpuTiTgmr::~CpuTiTgmr()
+{
+ if (trace_)
+ delete trace_;
}
/**
* \param b End of interval
* \return the integrate value. -1 if an error occurs.
*/
-static double surf_cpu_ti_integrate_trace(surf_cpu_ti_tgmr_t trace,
- double a, double b)
+double CpuTiTgmr::integrate(double a, double b)
{
double first_chunk;
double middle_chunk;
if (a == b)
return 0.0;
- if (trace->type == TRACE_FIXED) {
- return ((b - a) * trace->value);
+ if (type_ == TRACE_FIXED) {
+ return ((b - a) * value_);
}
- if (ceil(a / trace->last_time) == a / trace->last_time)
- a_index = 1 + (int) (ceil(a / trace->last_time));
+ if (ceil(a / lastTime_) == a / lastTime_)
+ a_index = 1 + (int) (ceil(a / lastTime_));
else
- a_index = (int) (ceil(a / trace->last_time));
+ a_index = (int) (ceil(a / lastTime_));
- b_index = (int) (floor(b / trace->last_time));
+ b_index = (int) (floor(b / lastTime_));
if (a_index > b_index) { /* Same chunk */
- return surf_cpu_ti_integrate_trace_simple(trace->trace,
- a - (a_index -
- 1) * trace->last_time,
- b -
- (b_index) *
- trace->last_time);
+ return trace_->integrateSimple(a - (a_index -
+ 1) * lastTime_,
+ b -
+ (b_index) *
+ lastTime_);
}
- first_chunk = surf_cpu_ti_integrate_trace_simple(trace->trace,
- a - (a_index -
- 1) *
- trace->last_time,
- trace->last_time);
- middle_chunk = (b_index - a_index) * trace->total;
- last_chunk = surf_cpu_ti_integrate_trace_simple(trace->trace,
- 0.0,
- b -
- (b_index) *
- trace->last_time);
+ first_chunk = trace_->integrateSimple(a - (a_index -
+ 1) *
+ lastTime_,
+ lastTime_);
+ middle_chunk = (b_index - a_index) * total_;
+ last_chunk = trace_->integrateSimple(0.0,
+ b -
+ (b_index) *
+ lastTime_);
XBT_DEBUG("first_chunk=%.2f middle_chunk=%.2f last_chunk=%.2f\n",
first_chunk, middle_chunk, last_chunk);
}
/**
- * \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
- * between them.
- * \param trace Trace structure
- * \param a Initial point
+ * \brief Auxiliary function to compute the integral between a and b.
+ * It simply computes the integrals at point a and b and returns the difference between them.
+ * \param a Initial point
* \param b Final point
- * \return Integral
*/
-static double surf_cpu_ti_integrate_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double b)
+double CpuTiTrace::integrateSimple(double a, double b)
{
- return surf_cpu_ti_integrate_trace_simple_point(trace,
- b) -
- surf_cpu_ti_integrate_trace_simple_point(trace, a);
+ return integrateSimplePoint(b) - integrateSimplePoint(a);
}
/**
- * \brief Auxiliary function to calculate the integral at point a.
- * \param trace Trace structure
+ * \brief Auxiliary function to compute the integral at point a.
* \param a point
- * \return Integral
-*/
-static double surf_cpu_ti_integrate_trace_simple_point(surf_cpu_ti_trace_t
- trace, double a)
+ */
+double CpuTiTrace::integrateSimplePoint(double a)
{
double integral = 0;
int ind;
double a_aux = a;
- ind =
- surf_cpu_ti_binary_search(trace->time_points, a, 0,
- trace->nb_points - 1);
- integral += trace->integral[ind];
- XBT_DEBUG
- ("a %lf ind %d integral %lf ind + 1 %lf ind %lf time +1 %lf time %lf",
- a, ind, integral, trace->integral[ind + 1], trace->integral[ind],
- trace->time_points[ind + 1], trace->time_points[ind]);
- double_update(&a_aux, trace->time_points[ind]);
+ ind = binarySearch(timePoints_, a, 0, nbPoints_ - 1);
+ integral += integral_[ind];
+ XBT_DEBUG("a %f ind %d integral %f ind + 1 %f ind %f time +1 %f time %f",
+ a, ind, integral, integral_[ind + 1], integral_[ind],
+ timePoints_[ind + 1], timePoints_[ind]);
+ double_update(&a_aux, timePoints_[ind], sg_maxmin_precision*sg_surf_precision);
if (a_aux > 0)
- integral +=
- ((trace->integral[ind + 1] -
- trace->integral[ind]) / (trace->time_points[ind + 1] -
- trace->time_points[ind])) * (a -
- trace->
- time_points
- [ind]);
- XBT_DEBUG("Integral a %lf = %lf", a, integral);
+ integral +=((integral_[ind + 1] -
+ integral_[ind]) / (timePoints_[ind + 1] - timePoints_[ind])) * (a - timePoints_[ind]);
+ XBT_DEBUG("Integral a %f = %f", a, integral);
return integral;
}
/**
-* \brief Calculate the time needed to execute "amount" on cpu.
+* \brief Computes the time needed to execute "amount" on cpu.
*
* Here, amount can span multiple trace periods
*
-* \param trace CPU trace structure
* \param a Initial time
* \param amount Amount to be executed
* \return End time
*/
-static double surf_cpu_ti_solve_trace(surf_cpu_ti_tgmr_t trace, double a,
- double amount)
+double CpuTiTgmr::solve(double a, double amount)
{
int quotient;
double reduced_b;
return a;
/* Is the trace fixed ? */
- if (trace->type == TRACE_FIXED) {
- return (a + (amount / trace->value));
+ if (type_ == TRACE_FIXED) {
+ return (a + (amount / value_));
}
- XBT_DEBUG("amount %lf total %lf", amount, trace->total);
+ XBT_DEBUG("amount %f total %f", amount, total_);
/* Reduce the problem to one where amount <= trace_total */
- quotient = (int) (floor(amount / trace->total));
- reduced_amount = (trace->total) * ((amount / trace->total) -
- floor(amount / trace->total));
- reduced_a = a - (trace->last_time) * (int) (floor(a / trace->last_time));
+ quotient = (int) (floor(amount / total_));
+ reduced_amount = (total_) * ((amount / total_) -
+ floor(amount / total_));
+ reduced_a = a - (lastTime_) * (int) (floor(a / lastTime_));
- XBT_DEBUG("Quotient: %d reduced_amount: %lf reduced_a: %lf", quotient,
+ XBT_DEBUG("Quotient: %d reduced_amount: %f reduced_a: %f", quotient,
reduced_amount, reduced_a);
/* Now solve for new_amount which is <= trace_total */
fprintf(stderr,"reduced_a = %.2f\n",reduced_a);
fprintf(stderr,"reduced_amount = %.2f\n",reduced_amount);
*/
- reduced_b =
- surf_cpu_ti_solve_trace_somewhat_simple(trace, reduced_a,
- reduced_amount);
+ reduced_b = solveSomewhatSimple(reduced_a, reduced_amount);
/* Re-map to the original b and amount */
- b = (trace->last_time) * (int) (floor(a / trace->last_time)) +
- (quotient * trace->last_time) + reduced_b;
+ b = (lastTime_) * (int) (floor(a / lastTime_)) +
+ (quotient * lastTime_) + reduced_b;
return b;
}
* and a <=trace->last_time
*
*/
-static double surf_cpu_ti_solve_trace_somewhat_simple(surf_cpu_ti_tgmr_t
- trace, double a,
- double amount)
+double CpuTiTgmr::solveSomewhatSimple(double a, double amount)
{
double amount_till_end;
double b;
XBT_DEBUG("Solve integral: [%.2f, amount=%.2f]", a, amount);
- amount_till_end =
- surf_cpu_ti_integrate_trace(trace, a, trace->last_time);
+ amount_till_end = integrate(a, lastTime_);
/*
fprintf(stderr,"amount_till_end=%.2f\n",amount_till_end);
*/
if (amount_till_end > amount) {
- b = surf_cpu_ti_solve_trace_simple(trace->trace, a, amount);
+ b = trace_->solveSimple(a, amount);
} else {
- b = trace->last_time +
- surf_cpu_ti_solve_trace_simple(trace->trace, 0.0,
- amount - amount_till_end);
+ b = lastTime_ + trace_->solveSimple(0.0, amount - amount_till_end);
}
return b;
}
* 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.
*/
-static double surf_cpu_ti_solve_trace_simple(surf_cpu_ti_trace_t trace,
- double a, double amount)
+double CpuTiTrace::solveSimple(double a, double amount)
{
double integral_a;
int ind;
double time;
- integral_a = surf_cpu_ti_integrate_trace_simple_point(trace, a);
- ind =
- surf_cpu_ti_binary_search(trace->integral, integral_a + amount, 0,
- trace->nb_points - 1);
- time = trace->time_points[ind];
+ integral_a = integrateSimplePoint(a);
+ ind = binarySearch(integral_, integral_a + amount, 0, nbPoints_ - 1);
+ time = timePoints_[ind];
time +=
(integral_a + amount -
- trace->integral[ind]) / ((trace->integral[ind + 1] -
- trace->integral[ind]) /
- (trace->time_points[ind + 1] -
- trace->time_points[ind]));
+ integral_[ind]) / ((integral_[ind + 1] -
+ integral_[ind]) /
+ (timePoints_[ind + 1] -
+ timePoints_[ind]));
return time;
}
+/**
+* \brief Auxiliary function to update the CPU speed scale.
+*
+* This function uses the trace structure to return the speed scale at the determined time a.
+* \param trace Trace structure to search the updated speed scale
+* \param a Time
+* \return CPU speed scale
+*/
+double CpuTiTgmr::getPowerScale(double a)
+{
+ double reduced_a;
+ int point;
+ s_tmgr_event_t val;
+
+ reduced_a = a - floor(a / lastTime_) * lastTime_;
+ point = trace_->binarySearch(trace_->timePoints_, reduced_a, 0,
+ trace_->nbPoints_ - 1);
+ xbt_dynar_get_cpy(speedTrace_->event_list, point, &val);
+ return val.value;
+}
+
/**
* \brief Creates a new integration trace from a tmgr_trace_t
*
-* \param power_trace CPU availability trace
-* \param value Percentage of CPU power available (useful to fixed tracing)
+* \param speedTrace CPU availability trace
+* \param value Percentage of CPU speed available (useful to fixed tracing)
* \param spacing Initial spacing
* \return Integration trace structure
*/
-static surf_cpu_ti_tgmr_t cpu_ti_parse_trace(tmgr_trace_t power_trace,
- double value)
+CpuTiTgmr::CpuTiTgmr(tmgr_trace_t speedTrace, double value)
{
- surf_cpu_ti_tgmr_t trace;
double total_time = 0.0;
s_tmgr_event_t val;
unsigned int cpt;
- trace = xbt_new0(s_surf_cpu_ti_tgmr_t, 1);
+ trace_ = 0;
/* no availability file, fixed trace */
- if (!power_trace) {
- trace->type = TRACE_FIXED;
- trace->value = value;
- XBT_DEBUG("No availabily trace. Constant value = %lf", value);
- return trace;
+ if (!speedTrace) {
+ type_ = TRACE_FIXED;
+ value_ = value;
+ XBT_DEBUG("No availability trace. Constant value = %f", value);
+ return;
}
/* only one point available, fixed trace */
- if (xbt_dynar_length(power_trace->s_list.event_list) == 1) {
- xbt_dynar_get_cpy(power_trace->s_list.event_list, 0, &val);
- trace->type = TRACE_FIXED;
- trace->value = val.value;
- return trace;
+ if (xbt_dynar_length(speedTrace->event_list) == 1) {
+ xbt_dynar_get_cpy(speedTrace->event_list, 0, &val);
+ type_ = TRACE_FIXED;
+ value_ = val.value;
+ return;
}
- trace->type = TRACE_DYNAMIC;
- trace->power_trace = power_trace;
+ type_ = TRACE_DYNAMIC;
+ speedTrace_ = speedTrace;
/* count the total time of trace file */
- xbt_dynar_foreach(power_trace->s_list.event_list, cpt, val) {
+ xbt_dynar_foreach(speedTrace->event_list, cpt, val) {
total_time += val.delta;
}
- trace->trace = surf_cpu_ti_trace_new(power_trace);
- trace->last_time = total_time;
- trace->total =
- surf_cpu_ti_integrate_trace_simple(trace->trace, 0, total_time);
+ trace_ = new CpuTiTrace(speedTrace);
+ lastTime_ = total_time;
+ total_ = trace_->integrateSimple(0, total_time);
- XBT_DEBUG("Total integral %lf, last_time %lf ",
- trace->total, trace->last_time);
-
- return trace;
+ XBT_DEBUG("Total integral %f, last_time %f ",
+ total_, 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
* \param high Upper bound to search in array
* \return Index of point
*/
-static int surf_cpu_ti_binary_search(double *array, double a, int low,
- int high)
+int CpuTiTrace::binarySearch(double *array, double a, int low, int high)
{
xbt_assert(low < high, "Wrong parameters: low (%d) should be smaller than"
" high (%d)", low, high);
int mid;
do {
mid = low + (high - low) / 2;
- XBT_DEBUG("a %lf low %d high %d mid %d value %lf", a, low, high, mid,
+ XBT_DEBUG("a %f low %d high %d mid %d value %f", a, low, high, mid,
array[mid]);
if (array[mid] > a)
return low;
}
+}
+}
+
/*********
* Model *
*********/
-CpuTiModel::CpuTiModel() : CpuModel("cpu_ti")
+void surf_cpu_model_init_ti()
{
-
+ xbt_assert(!surf_cpu_model_pm,"CPU model already initialized. This should not happen.");
+ xbt_assert(!surf_cpu_model_vm,"CPU model already initialized. This should not happen.");
+
+ surf_cpu_model_pm = new simgrid::surf::CpuTiModel();
+ xbt_dynar_push(all_existing_models, &surf_cpu_model_pm);
+
+ surf_cpu_model_vm = new simgrid::surf::CpuTiModel();
+ xbt_dynar_push(all_existing_models, &surf_cpu_model_vm);
}
-CpuTiPtr CpuTiModel::createResource(string name,
- double powerPeak,
- double powerScale,
- tmgr_trace_t powerTrace,
- int core,
- e_surf_resource_state_t stateInitial,
- tmgr_trace_t stateTrace,
- xbt_dict_t cpuProperties)
+namespace simgrid {
+namespace surf {
+
+CpuTiModel::CpuTiModel() : CpuModel()
+{
+ runningActionSetThatDoesNotNeedBeingChecked_ = new ActionList();
+
+ modifiedCpu_ = new CpuTiList();
+
+ tiActionHeap_ = xbt_heap_new(8, NULL);
+ xbt_heap_set_update_callback(tiActionHeap_,
+ cpu_ti_action_update_index_heap);
+}
+
+CpuTiModel::~CpuTiModel()
+{
+ surf_cpu_model_pm = NULL;
+ delete runningActionSetThatDoesNotNeedBeingChecked_;
+ delete modifiedCpu_;
+ xbt_heap_free(tiActionHeap_);
+}
+
+Cpu *CpuTiModel::createCpu(simgrid::s4u::Host *host,
+ xbt_dynar_t speedPeak,
+ tmgr_trace_t speedTrace,
+ int core)
{
- tmgr_trace_t empty_trace;
- s_tmgr_event_t val;
- CpuTiActionPtr cpuAction;
xbt_assert(core==1,"Multi-core not handled with this model yet");
- /*TOREPAIR: xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)),
- "Host '%s' declared several times in the platform file",
- name);*/
- CpuTiPtr cpu = new CpuTi(this, name, powerPeak, powerScale, powerTrace,
- core, stateInitial, stateTrace, cpuProperties);
- xbt_lib_set(host_lib, name.c_str(), SURF_CPU_LEVEL, cpu);
- return (CpuTiPtr) xbt_lib_get_elm_or_null(host_lib, name.c_str());
+ xbt_assert(xbt_dynar_getfirst_as(speedPeak, double) > 0.0,
+ "Speed has to be >0.0. Did you forget to specify the mandatory speed attribute?");
+ return new CpuTi(this, host, speedPeak, speedTrace, core);
}
-CpuTiActionPtr CpuTiModel::createAction(double cost, bool failed)
+double CpuTiModel::next_occuring_event(double now)
{
- return NULL;//new CpuTiAction(this, cost, failed);
+ double min_action_duration = -1;
+
+/* iterates over modified cpus to update share resources */
+ for(CpuTiList::iterator it(modifiedCpu_->begin()), itend(modifiedCpu_->end())
+ ; it != itend ;) {
+ CpuTi *ti = &*it;
+ ++it;
+ ti->updateActionsFinishTime(now);
+ }
+
+/* get the min next event if heap not empty */
+ if (xbt_heap_size(tiActionHeap_) > 0)
+ min_action_duration = xbt_heap_maxkey(tiActionHeap_) - now;
+
+ XBT_DEBUG("Share resources, min next event date: %f", min_action_duration);
+
+ return min_action_duration;
}
-void CpuTi::printCpuTiModel()
+void CpuTiModel::updateActionsState(double now, double /*delta*/)
{
- std::cout << getModel()->getName() << "<<plop"<< std::endl;
-};
+ while ((xbt_heap_size(tiActionHeap_) > 0)
+ && (xbt_heap_maxkey(tiActionHeap_) <= now)) {
+ CpuTiAction *action = (CpuTiAction*) xbt_heap_pop(tiActionHeap_);
+ XBT_DEBUG("Action %p: finish", action);
+ action->finish();
+ /* set the remains to 0 due to precision problems when updating the remaining amount */
+ action->setRemains(0);
+ action->setState(SURF_ACTION_DONE);
+ /* update remaining amount of all actions */
+ action->cpu_->updateRemainingAmount(surf_get_clock());
+ }
+}
/************
* Resource *
************/
-CpuTi::CpuTi(CpuTiModelPtr model, string name, double powerPeak,
- double powerScale, tmgr_trace_t powerTrace, int core,
- e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace,
- xbt_dict_t properties) :
- Cpu(model, name, properties), m_powerPeak(powerPeak), m_powerScale(powerScale),
- m_stateCurrent(stateInitial) {
- 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);
- m_availTrace = cpu_ti_parse_trace(powerTrace, powerScale);
- if (stateTrace)
- /*TOREPAIR:m_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
- xbt_dynar_get_cpy(powerTrace->s_list.event_list,
- xbt_dynar_length(powerTrace->s_list.event_list) - 1, &val);
- /*TOREPAIR:if (val.delta == 0) {
- empty_trace = tmgr_empty_trace_new();
- m_powerEvent =
- tmgr_history_add_trace(history, empty_trace,
- m_availTrace->last_time, 0, this);
- }*/
+CpuTi::CpuTi(CpuTiModel *model, simgrid::s4u::Host *host, xbt_dynar_t speedPeak,
+ tmgr_trace_t speedTrace, int core)
+ : Cpu(model, host, NULL, core, 0)
+{
+ xbt_assert(core==1,"Multi-core not handled by this model yet");
+ coresAmount_ = core;
+
+
+ actionSet_ = new ActionTiList();
+
+ xbt_dynar_get_cpy(speedPeak, 0, &speed_.peak);
+ XBT_DEBUG("CPU create: peak=%f", speed_.peak);
+
+ setSpeedTrace(speedTrace);
+}
+
+CpuTi::~CpuTi()
+{
+ modified(false);
+ delete speedIntegratedTrace_;
+ delete actionSet_;
+}
+void CpuTi::setSpeedTrace(tmgr_trace_t trace)
+{
+ if (speedIntegratedTrace_)
+ delete speedIntegratedTrace_;
+
+ speedIntegratedTrace_ = new CpuTiTgmr(trace, speed_.scale);
+
+ /* add a fake trace event if periodicity == 0 */
+ if (trace && xbt_dynar_length(trace->event_list) > 1) {
+ s_tmgr_event_t val;
+ xbt_dynar_get_cpy(trace->event_list, xbt_dynar_length(trace->event_list) - 1, &val);
+ if (val.delta == 0)
+ speed_.event = future_evt_set->add_trace(tmgr_empty_trace_new(), 0.0, this);
+ }
+}
+
+void CpuTi::apply_event(tmgr_trace_iterator_t event, double value)
+{
+ if (event == speed_.event) {
+ tmgr_trace_t speedTrace;
+ CpuTiTgmr *trace;
+ s_tmgr_event_t val;
+
+ XBT_DEBUG("Finish trace date: value %f", value);
+ /* update remaining of actions and put in modified cpu swag */
+ updateRemainingAmount(surf_get_clock());
+
+ modified(true);
+
+ speedTrace = speedIntegratedTrace_->speedTrace_;
+ xbt_dynar_get_cpy(speedTrace->event_list, xbt_dynar_length(speedTrace->event_list) - 1, &val);
+ delete speedIntegratedTrace_;
+ speed_.scale = val.value;
+
+ trace = new CpuTiTgmr(TRACE_FIXED, val.value);
+ XBT_DEBUG("value %f", val.value);
+
+ speedIntegratedTrace_ = trace;
+
+ tmgr_trace_event_unref(&speed_.event);
+
+ } else if (event == stateEvent_) {
+ if (value > 0) {
+ if(isOff())
+ xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
+ turnOn();
+ } else {
+ turnOff();
+ double date = surf_get_clock();
+
+ /* put all action running on cpu to failed */
+ for(ActionTiList::iterator it(actionSet_->begin()), itend(actionSet_->end())
+ ; it != itend ; ++it) {
+
+ CpuTiAction *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->indexHeap_ >= 0) {
+ CpuTiAction *heap_act = (CpuTiAction*)
+ xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->tiActionHeap_, action->indexHeap_);
+ if (heap_act != action)
+ DIE_IMPOSSIBLE;
+ }
+ }
+ }
+ }
+ tmgr_trace_event_unref(&stateEvent_);
+
+ } else {
+ xbt_die("Unknown event!\n");
}
-};
+}
+
+void CpuTi::updateActionsFinishTime(double now)
+{
+ CpuTiAction *action;
+ double sum_priority = 0.0, total_area, min_finish = -1;
+
+ /* update remaining amount of actions */
+ updateRemainingAmount(now);
+
+ for(ActionTiList::iterator it(actionSet_->begin()), itend(actionSet_->end()) ; it != itend ; ++it) {
+ action = &*it;
+ /* action not running, skip it */
+ if (action->getStateSet() != surf_cpu_model_pm->getRunningActionSet())
+ continue;
-CpuTiModelPtr CpuTi::getModel() {
- return static_cast<CpuTiModelPtr>(p_model);
-};
+ /* bogus priority, skip it */
+ if (action->getPriority() <= 0)
+ continue;
+
+ /* action suspended, skip it */
+ if (action->suspended_ != 0)
+ continue;
+
+ sum_priority += 1.0 / action->getPriority();
+ }
+ sumPriority_ = sum_priority;
+
+ for(ActionTiList::iterator it(actionSet_->begin()), itend(actionSet_->end()) ; it != itend ; ++it) {
+ action = &*it;
+ min_finish = -1;
+ /* action not running, skip it */
+ if (action->getStateSet() !=
+ surf_cpu_model_pm->getRunningActionSet())
+ continue;
+
+ /* verify if the action is really running on cpu */
+ if (action->suspended_ == 0 && action->getPriority() > 0) {
+ /* total area needed to finish the action. Used in trace integration */
+ total_area =
+ (action->getRemains()) * sum_priority *
+ action->getPriority();
+
+ total_area /= speed_.peak;
+
+ action->setFinishTime(speedIntegratedTrace_->solve(now, total_area));
+ /* verify which event will happen before (max_duration or finish time) */
+ if (action->getMaxDuration() != NO_MAX_DURATION &&
+ action->getStartTime() + action->getMaxDuration() < action->m_finish)
+ min_finish = action->getStartTime() + action->getMaxDuration();
+ else
+ min_finish = action->m_finish;
+ } else {
+ /* put the max duration time on heap */
+ if (action->getMaxDuration() != NO_MAX_DURATION)
+ min_finish = action->getStartTime() + action->getMaxDuration();
+ }
+ /* add in action heap */
+ XBT_DEBUG("action(%p) index %d", action, action->indexHeap_);
+ if (action->indexHeap_ >= 0) {
+ CpuTiAction *heap_act = (CpuTiAction*)
+ xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->tiActionHeap_, action->indexHeap_);
+ if (heap_act != action)
+ DIE_IMPOSSIBLE;
+ }
+ if (min_finish != NO_MAX_DURATION)
+ xbt_heap_push(static_cast<CpuTiModel*>(getModel())->tiActionHeap_, action, min_finish);
+
+ XBT_DEBUG
+ ("Update finish time: Cpu(%s) Action: %p, Start Time: %f Finish Time: %f Max duration %f",
+ getName(), action, action->getStartTime(),
+ action->m_finish,
+ action->getMaxDuration());
+ }
+ /* remove from modified cpu */
+ modified(false);
+}
-double CpuTi::getSpeed(double load)
+bool CpuTi::isUsed()
{
- return load * m_powerPeak;
+ return !actionSet_->empty();
}
double CpuTi::getAvailableSpeed()
{
- return 0;
+ speed_.scale = speedIntegratedTrace_->getPowerScale(surf_get_clock());
+ return Cpu::getAvailableSpeed();
+}
+
+/** @brief Update the remaining amount of actions */
+void CpuTi::updateRemainingAmount(double now)
+{
+
+ /* already updated */
+ if (lastUpdate_ >= now)
+ return;
+
+ /* compute the integration area */
+ double area_total = speedIntegratedTrace_->integrate(lastUpdate_, now) * speed_.peak;
+ XBT_DEBUG("Flops total: %f, Last update %f", area_total, lastUpdate_);
+
+ for(ActionTiList::iterator it(actionSet_->begin()), itend(actionSet_->end()) ; it != itend ; ++it) {
+ CpuTiAction *action = &*it;
+ /* action not running, skip it */
+ if (action->getStateSet() != getModel()->getRunningActionSet())
+ continue;
+
+ /* bogus priority, skip it */
+ if (action->getPriority() <= 0)
+ continue;
+
+ /* action suspended, skip it */
+ if (action->suspended_ != 0)
+ continue;
+
+ /* action don't need update */
+ if (action->getStartTime() >= now)
+ continue;
+
+ /* skip action that are finishing now */
+ if (action->m_finish >= 0 && action->m_finish <= now)
+ continue;
+
+ /* update remaining */
+ action->updateRemains(area_total / (sumPriority_ * action->getPriority()));
+ XBT_DEBUG("Update remaining action(%p) remaining %f", action, action->m_remains);
+ }
+ lastUpdate_ = now;
+}
+
+CpuAction *CpuTi::execution_start(double size)
+{
+ XBT_IN("(%s,%g)", getName(), size);
+ CpuTiAction *action = new CpuTiAction(static_cast<CpuTiModel*>(getModel()), size, isOff(), this);
+
+ actionSet_->push_back(*action);
+
+ XBT_OUT();
+ return action;
+}
+
+
+CpuAction *CpuTi::sleep(double duration)
+{
+ if (duration > 0)
+ duration = MAX(duration, sg_surf_precision);
+
+ XBT_IN("(%s,%g)", getName(), duration);
+ CpuTiAction *action = new CpuTiAction(static_cast<CpuTiModel*>(getModel()), 1.0, isOff(), this);
+
+ action->m_maxDuration = duration;
+ action->suspended_ = 2;
+ if (duration == NO_MAX_DURATION) {
+ /* 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 = static_cast<CpuTiModel*>(getModel())->runningActionSetThatDoesNotNeedBeingChecked_;
+ action->getStateSet()->push_back(*action);
+ }
+
+ actionSet_->push_back(*action);
+
+ XBT_OUT();
+ return action;
+}
+
+void CpuTi::modified(bool modified){
+ CpuTiList *modifiedCpu = static_cast<CpuTiModel*>(getModel())->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 *
**********/
-double CpuTiAction::getRemains()
+CpuTiAction::CpuTiAction(CpuTiModel *model_, double cost, bool failed, CpuTi *cpu)
+ : CpuAction(model_, cost, failed)
{
- return 0;
+ cpu_ = cpu;
+ indexHeap_ = -1;
+ cpu_->modified(true);
}
-double CpuTiAction::getStartTime()
+void CpuTiAction::updateIndexHeap(int i)
{
- return 0;
+ indexHeap_ = i;
+}
+
+void CpuTiAction::setState(e_surf_action_state_t state)
+{
+ CpuAction::setState(state);
+ cpu_->modified(true);
}
-double CpuTiAction::getFinishTime()
+int CpuTiAction::unref()
{
+ m_refcount--;
+ if (!m_refcount) {
+ if (action_hook.is_linked())
+ getStateSet()->erase(getStateSet()->iterator_to(*this));
+ /* remove from action_set */
+ if (action_ti_hook.is_linked())
+ cpu_->actionSet_->erase(cpu_->actionSet_->iterator_to(*this));
+ /* remove from heap */
+ xbt_heap_remove(static_cast<CpuTiModel*>(getModel())->tiActionHeap_, this->indexHeap_);
+ cpu_->modified(true);
+ delete this;
+ return 1;
+ }
return 0;
}
-#endif /* SURF_MODEL_CPUTI_H_ */
+void CpuTiAction::cancel()
+{
+ this->setState(SURF_ACTION_FAILED);
+ xbt_heap_remove(getModel()->getActionHeap(), this->indexHeap_);
+ cpu_->modified(true);
+ return;
+}
+
+void CpuTiAction::suspend()
+{
+ XBT_IN("(%p)", this);
+ if (suspended_ != 2) {
+ suspended_ = 1;
+ xbt_heap_remove(getModel()->getActionHeap(), indexHeap_);
+ cpu_->modified(true);
+ }
+ XBT_OUT();
+}
+
+void CpuTiAction::resume()
+{
+ XBT_IN("(%p)", this);
+ if (suspended_ != 2) {
+ suspended_ = 0;
+ cpu_->modified(true);
+ }
+ XBT_OUT();
+}
+
+void CpuTiAction::setMaxDuration(double duration)
+{
+ double min_finish;
+
+ XBT_IN("(%p,%g)", this, duration);
+
+ m_maxDuration = duration;
+
+ if (duration >= 0)
+ min_finish = (getStartTime() + getMaxDuration()) < getFinishTime() ?
+ (getStartTime() + getMaxDuration()) : getFinishTime();
+ else
+ min_finish = getFinishTime();
+
+/* add in action heap */
+ if (indexHeap_ >= 0) {
+ CpuTiAction *heap_act = (CpuTiAction*)
+ xbt_heap_remove(getModel()->getActionHeap(), indexHeap_);
+ if (heap_act != this)
+ DIE_IMPOSSIBLE;
+ }
+ xbt_heap_push(getModel()->getActionHeap(), this, min_finish);
+
+ XBT_OUT();
+}
+void CpuTiAction::setPriority(double priority)
+{
+ XBT_IN("(%p,%g)", this, priority);
+ m_priority = priority;
+ cpu_->modified(true);
+ XBT_OUT();
+}
+
+double CpuTiAction::getRemains()
+{
+ XBT_IN("(%p)", this);
+ cpu_->updateRemainingAmount(surf_get_clock());
+ XBT_OUT();
+ return m_remains;
+}
+
+}
+}
+
+#endif /* SURF_MODEL_CPUTI_H_ */