1 #ifndef SIMDAG_SIMDAG_H
2 #define SIMDAG_SIMDAG_H
4 #include "simdag/datatypes.h"
9 /************************** Link handling ***********************************/
11 /** @defgroup SD_link_management Links
12 * @brief Functions for managing the network links
14 * This section describes the functions for managing the network links.
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.
23 const SD_link_t* SD_link_get_list(void);
24 int SD_link_get_number(void);
25 void* SD_link_get_data(SD_link_t link);
26 void SD_link_set_data(SD_link_t link, void *data);
27 const char* SD_link_get_name(SD_link_t link);
28 double SD_link_get_current_bandwidth(SD_link_t link);
29 double SD_link_get_current_latency(SD_link_t link);
32 /************************** Workstation handling ****************************/
34 /** @defgroup SD_workstation_management Workstations
35 * @brief Functions for managing the workstations
37 * This section describes the functions for managing the workstations.
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>.
43 * The workstations are created when you call the function SD_create_environment.
45 * @see SD_workstation_t
48 SD_workstation_t SD_workstation_get_by_name(const char *name);
49 const SD_workstation_t* SD_workstation_get_list(void);
50 int SD_workstation_get_number(void);
51 void SD_workstation_set_data(SD_workstation_t workstation, void *data);
52 void* SD_workstation_get_data(SD_workstation_t workstation);
53 const char* SD_workstation_get_name(SD_workstation_t workstation);
54 SD_link_t* SD_workstation_route_get_list(SD_workstation_t src, SD_workstation_t dst);
55 int SD_workstation_route_get_size(SD_workstation_t src, SD_workstation_t dst);
56 double SD_workstation_get_power(SD_workstation_t workstation);
57 double SD_workstation_get_available_power(SD_workstation_t workstation);
60 /************************** Task handling ************************************/
62 /** @defgroup SD_task_management Tasks
63 * @brief Functions for managing the tasks
65 * This section describes the functions for managing the tasks.
67 * A task is some <em>working amount</em> that can be executed
68 * in parallel on several workstations. A task may depend on other
69 * tasks, this means that the task cannot start until the other tasks are done.
70 * Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether
71 * the task is scheduled, running, done, etc.
73 * @see SD_task_t, SD_task_dependency_management
76 SD_task_t SD_task_create(const char *name, void *data, double amount);
77 void* SD_task_get_data(SD_task_t task);
78 void SD_task_set_data(SD_task_t task, void *data);
79 e_SD_task_state_t SD_task_get_state(SD_task_t task);
80 const char* SD_task_get_name(SD_task_t task);
81 double SD_task_get_amount(SD_task_t task);
82 double SD_task_get_remaining_amount(SD_task_t task);
83 void SD_task_watch(SD_task_t task, e_SD_task_state_t state);
84 void SD_task_unwatch(SD_task_t task, e_SD_task_state_t state);
85 void SD_task_schedule(SD_task_t task, int workstation_nb,
86 const SD_workstation_t *workstation_list, const double *computation_amount,
87 const double *communication_amount, double rate);
88 void SD_task_unschedule(SD_task_t task);
89 void SD_task_destroy(SD_task_t task);
93 /** @defgroup SD_task_dependency_management Tasks dependencies
94 * @brief Functions for managing the task dependencies
96 * This section describes the functions for managing the dependencies between the tasks.
98 * @see SD_task_management
101 void SD_task_dependency_add(const char *name, void *data, SD_task_t src, SD_task_t dst);
102 void SD_task_dependency_remove(SD_task_t src, SD_task_t dst);
103 void* SD_task_dependency_get_data(SD_task_t src, SD_task_t dst);
106 /************************** Global *******************************************/
108 /** @defgroup SD_simulation Simulation
109 * @brief Functions for creating the environment and launching the simulation
111 * This section describes the functions for initialising SimDag, launching
112 * the simulation and exiting SimDag.
116 void SD_init(int *argc, char **argv);
117 void SD_create_environment(const char *platform_file);
118 SD_task_t* SD_simulate(double how_long);