include/simdag/simdag.h

   1 #ifndef SIMDAG_SIMDAG_H
   2 #define SIMDAG_SIMDAG_H
   3
   4 #include "simdag/datatypes.h"
   5 #include "xbt/misc.h"
   6 #include "xbt/dynar.h"
   7 #include "xbt/dict.h"
   8
   9
  10 SG_BEGIN_DECL()
  11
  12 /************************** Link handling ***********************************/
  13
  14 /** @defgroup SD_link_management Links
  15  *  @brief Functions for managing the network links
  16  *
  17  *  This section describes the functions for managing the network links.
  18  *
  19  *  A link is a network node represented as a <em>name</em>, a <em>current
  20  *  bandwidth</em> and a <em>current latency</em>. The links are created
  21  *  when you call the function SD_create_environment.
  22  *
  23  *  @see SD_link_t
  24  *  @{
  25  */
  26 XBT_PUBLIC(const SD_link_t*)   SD_link_get_list(void);
  27 XBT_PUBLIC(int)                SD_link_get_number(void);
  28 XBT_PUBLIC(void*)              SD_link_get_data(SD_link_t link);
  29 XBT_PUBLIC(void)               SD_link_set_data(SD_link_t link, void *data);
  30 XBT_PUBLIC(const char*)        SD_link_get_name(SD_link_t link);
  31 XBT_PUBLIC(double)             SD_link_get_current_bandwidth(SD_link_t link);
  32 XBT_PUBLIC(double)             SD_link_get_current_latency(SD_link_t link);
  33 XBT_PUBLIC(e_SD_link_sharing_policy_t) SD_link_get_sharing_policy(SD_link_t link);
  34 /*property handling functions*/
  35 XBT_PUBLIC(xbt_dict_t) SD_link_get_properties(SD_link_t link);
  36 XBT_PUBLIC(const char*) SD_link_get_property_value(SD_link_t link, const char* name);
  37 /** @} */
  38
  39 /************************** Workstation handling ****************************/
  40
  41 /** @defgroup SD_workstation_management Workstations
  42  *  @brief Functions for managing the workstations
  43  *
  44  *  This section describes the functions for managing the workstations.
  45  *
  46  *  A workstation is a place where a task can be executed.
  47  *  A workstation is represented as a <em>physical
  48  *  resource with computing capabilities</em> and has a <em>name</em>.
  49  *
  50  *  The workstations are created when you call the function SD_create_environment.
  51  *
  52  *  @see SD_workstation_t
  53  *  @{
  54  */
  55 XBT_PUBLIC(SD_workstation_t)        SD_workstation_get_by_name(const char *name);
  56 XBT_PUBLIC(const SD_workstation_t*) SD_workstation_get_list(void);
  57 XBT_PUBLIC(int)                     SD_workstation_get_number(void);
  58 XBT_PUBLIC(void)                    SD_workstation_set_data(SD_workstation_t workstation, void *data);
  59 XBT_PUBLIC(void*)                   SD_workstation_get_data(SD_workstation_t workstation);
  60 XBT_PUBLIC(const char*)             SD_workstation_get_name(SD_workstation_t workstation);
  61 /*property handling functions*/
  62 XBT_PUBLIC(xbt_dict_t) SD_workstation_get_properties(SD_workstation_t workstation);
  63 XBT_PUBLIC(const char*) SD_workstation_get_property_value(SD_workstation_t workstation, const char* name);
  64
  65 XBT_PUBLIC(const SD_link_t*)              SD_route_get_list(SD_workstation_t src, SD_workstation_t dst);
  66 XBT_PUBLIC(int)                     SD_route_get_size(SD_workstation_t src, SD_workstation_t dst);
  67 XBT_PUBLIC(double)                  SD_workstation_get_power(SD_workstation_t workstation);
  68 XBT_PUBLIC(double)                  SD_workstation_get_available_power(SD_workstation_t workstation);
  69 XBT_PUBLIC(e_SD_workstation_access_mode_t) SD_workstation_get_access_mode(SD_workstation_t workstation);
  70 XBT_PUBLIC(void)                    SD_workstation_set_access_mode(SD_workstation_t workstation,
  71                                                        e_SD_workstation_access_mode_t access_mode);
  72
  73 XBT_PUBLIC(double)    SD_workstation_get_computation_time(SD_workstation_t workstation, double computation_amount);
  74 XBT_PUBLIC(double)    SD_route_get_current_latency(SD_workstation_t src, SD_workstation_t dst);
  75 XBT_PUBLIC(double)    SD_route_get_current_bandwidth(SD_workstation_t src, SD_workstation_t dst);
  76 XBT_PUBLIC(double)    SD_route_get_communication_time(SD_workstation_t src, SD_workstation_t dst,
  77                                                       double communication_amount);
  78
  79 /** @} */
  80
  81 /************************** Task handling ************************************/
  82
  83 /** @defgroup SD_task_management Tasks
  84  *  @brief Functions for managing the tasks
  85  *
  86  *  This section describes the functions for managing the tasks.
  87  *
  88  *  A task is some <em>working amount</em> that can be executed
  89  *  in parallel on several workstations. A task may depend on other
  90  *  tasks, this means that the task cannot start until the other tasks are done.
  91  *  Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether
  92  *  the task is scheduled, running, done, etc.
  93  *
  94  *  @see SD_task_t, SD_task_dependency_management
  95  *  @{
  96  */
  97 XBT_PUBLIC(SD_task_t)         SD_task_create(const char *name, void *data, double amount);
  98 XBT_PUBLIC(void*)         SD_task_get_data(SD_task_t task);
  99 XBT_PUBLIC(void)              SD_task_set_data(SD_task_t task, void *data);
 100 XBT_PUBLIC(e_SD_task_state_t) SD_task_get_state(SD_task_t task);
 101 XBT_PUBLIC(const char*)       SD_task_get_name(SD_task_t task);
 102 XBT_PUBLIC(void)              SD_task_watch(SD_task_t task, e_SD_task_state_t state);
 103 XBT_PUBLIC(void)              SD_task_unwatch(SD_task_t task, e_SD_task_state_t state);
 104 XBT_PUBLIC(double)            SD_task_get_amount(SD_task_t task);
 105 XBT_PUBLIC(double)            SD_task_get_remaining_amount(SD_task_t task);
 106 XBT_PUBLIC(double)            SD_task_get_execution_time(SD_task_t task, int workstation_nb,
 107                                              const SD_workstation_t *workstation_list,
 108                                              const double *computation_amount, const double *communication_amount,
 109                                              double rate);
 110 XBT_PUBLIC(void)              SD_task_schedule(SD_task_t task, int workstation_nb,
 111                                    const SD_workstation_t *workstation_list, const double *computation_amount,
 112                                    const double *communication_amount, double rate);
 113 XBT_PUBLIC(void)              SD_task_unschedule(SD_task_t task);
 114 XBT_PUBLIC(double)            SD_task_get_start_time(SD_task_t task);
 115 XBT_PUBLIC(double)            SD_task_get_finish_time(SD_task_t task);
 116 XBT_PUBLIC(void)              SD_task_destroy(SD_task_t task);
 117 /** @} */
 118
 119
 120 /** @defgroup SD_task_dependency_management Tasks dependencies
 121  *  @brief Functions for managing the task dependencies
 122  *
 123  *  This section describes the functions for managing the dependencies between the tasks.
 124  *
 125  *  @see SD_task_management
 126  *  @{
 127  */
 128 XBT_PUBLIC(void)              SD_task_dependency_add(const char *name, void *data, SD_task_t src, SD_task_t dst);
 129 XBT_PUBLIC(void)              SD_task_dependency_remove(SD_task_t src, SD_task_t dst);
 130 XBT_PUBLIC(void*)             SD_task_dependency_get_data(SD_task_t src, SD_task_t dst);
 131 XBT_PUBLIC(int)               SD_task_dependency_exists(SD_task_t src, SD_task_t dst);
 132 /** @} */
 133
 134 /************************** Global *******************************************/
 135
 136 /** @defgroup SD_simulation Simulation
 137  *  @brief Functions for creating the environment and launching the simulation
 138  *
 139  *  This section describes the functions for initialising SimDag, launching
 140  *  the simulation and exiting SimDag.
 141  *
 142  *  @{
 143  */
 144 XBT_PUBLIC(void)              SD_init(int *argc, char **argv);
 145 XBT_PUBLIC(void)              SD_application_reinit(void);
 146 XBT_PUBLIC(void)              SD_create_environment(const char *platform_file);
 147 XBT_PUBLIC(SD_task_t*)        SD_simulate(double how_long);
 148 XBT_PUBLIC(double)            SD_get_clock(void);
 149 XBT_PUBLIC(void)              SD_exit(void);
 150 /** @} */
 151
 152 SG_END_DECL()
 153
 154 #endif