#include <boost/heap/pairing_heap.hpp>
#include <boost/intrusive/list.hpp>
#include <boost/optional.hpp>
+#include <cmath>
#include <set>
#include <string>
#include <unordered_map>
*********/
/* user-visible parameters */
+XBT_PUBLIC_DATA(double) sg_maxmin_precision;
+XBT_PUBLIC_DATA(double) sg_surf_precision;
+XBT_PUBLIC_DATA(int) sg_concurrency_limit;
+
extern XBT_PRIVATE double sg_tcp_gamma;
extern XBT_PRIVATE double sg_latency_factor;
extern XBT_PRIVATE double sg_bandwidth_factor;
extern XBT_PRIVATE std::unordered_map<std::string, tmgr_trace_t> traces_set_list;
extern XBT_PRIVATE std::set<std::string> watched_hosts;
+static inline void double_update(double* variable, double value, double precision)
+{
+ // printf("Updating %g -= %g +- %g\n",*variable,value,precision);
+ // xbt_assert(value==0 || value>precision);
+ // Check that precision is higher than the machine-dependent size of the mantissa. If not, brutal rounding may
+ // happen, and the precision mechanism is not active...
+ // xbt_assert(*variable< (2<<DBL_MANT_DIG)*precision && FLT_RADIX==2);
+ *variable -= value;
+ if (*variable < precision)
+ *variable = 0.0;
+}
+
+static inline int double_positive(double value, double precision)
+{
+ return (value > precision);
+}
+
+static inline int double_equals(double value1, double value2, double precision)
+{
+ return (fabs(value1 - value2) < precision);
+}
+
extern "C" {
XBT_PUBLIC(double) surf_get_clock();
}
* @param cost The cost of the Action
* @param failed If the action is impossible (e.g.: execute something on a switched off host)
*/
- Action(simgrid::surf::Model *model, double cost, bool failed);
+ Action(simgrid::surf::Model* model, double cost, bool failed);
/**
* @brief Action constructor
* @param failed If the action is impossible (e.g.: execute something on a switched off host)
* @param var The lmm variable associated to this Action if it is part of a LMM component
*/
- Action(simgrid::surf::Model *model, double cost, bool failed, lmm_variable_t var);
+ Action(simgrid::surf::Model* model, double cost, bool failed, lmm_variable_t var);
/** @brief Destructor */
virtual ~Action();
/** @brief Get the state set in which the action is */
ActionList* getStateSet() const { return stateSet_; };
- s_xbt_swag_hookup_t stateHookup_ = {nullptr,nullptr};
-
simgrid::surf::Model* getModel() const { return model_; }
protected:
void *data_ = nullptr; /**< for your convenience */
/* LMM */
- double lastUpdate_ = 0;
- double lastValue_ = 0;
- lmm_variable_t variable_ = nullptr;
- enum heap_action_type hat_ = NOTSET;
+ double lastUpdate_ = 0;
+ double lastValue_ = 0;
+ lmm_variable_t variable_ = nullptr;
+ enum heap_action_type hat_ = NOTSET;
boost::optional<heap_type::handle_type> heapHandle_ = boost::none;
public:
/** @brief Check if the current Resource is used (if it currently serves an action) */
virtual bool isUsed()=0;
+ /** @brief returns the current load (in flops per second, byte per second or similar) */
+ virtual double getLoad();
+
/** @brief Check if the current Resource is active */
virtual bool isOn() const;
/** @brief Check if the current Resource is shut down */