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