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[simgrid.git] / include / simgrid / simdag.h
index 5e79eeb..2546414 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2010, 2012-2014. The SimGrid Team.
+/* Copyright (c) 2006-2010, 2012-2016. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
 #include "xbt/misc.h"
 #include "xbt/dynar.h"
 #include "xbt/dict.h"
-
+#include "xbt/asserts.h"
+#include "xbt/log.h"
 #include "simgrid/link.h"
+#include "simgrid/host.h"
 
 SG_BEGIN_DECL()
-/** @brief Workstation datatype
-    @ingroup SD_datatypes_management
-
-    A workstation is a place where a task can be executed.
-    A workstation is represented as a <em>physical
-    resource with computing capabilities</em> and has a <em>name</em>.
-
-    @see SD_workstation_management */
-typedef xbt_dictelm_t SD_workstation_t;
-
-/** @brief Workstation access mode
-    @ingroup SD_datatypes_management
-
-    By default, a workstation resource is shared, i.e. several tasks
-    can be executed at the same time on a workstation. The CPU power of
-    the workstation is shared between the running tasks on the workstation.
-    In sequential mode, only one task can use the workstation, and the other
-    tasks wait in a FIFO.
-
-    @see SD_workstation_get_access_mode(), SD_workstation_set_access_mode() */
-typedef enum {
-  SD_WORKSTATION_SHARED_ACCESS,     /**< @brief Several tasks can be executed at the same time */
-  SD_WORKSTATION_SEQUENTIAL_ACCESS  /**< @brief Only one task can be executed, the others wait in a FIFO. */
-} e_SD_workstation_access_mode_t;
 
 /** @brief Link datatype
     @ingroup SD_datatypes_management
 
-    A link is a network node represented as a <em>name</em>, a <em>current
-    bandwidth</em> and a <em>current latency</em>. A route is a list of
-    links between two workstations.
+    A link is a network node represented as a <em>name</em>, a <em>bandwidth</em> and a <em>latency</em>.
+    A route is a list of links between two workstations.
 
     @see SD_link_management */
 typedef Link *SD_link_t;
@@ -52,11 +29,9 @@ typedef Link *SD_link_t;
 /** @brief Task datatype
     @ingroup SD_datatypes_management
 
-    A task is some <em>computing amount</em> that can be executed
-    in parallel on several workstations. A task may depend on other
-    tasks, this means that the task cannot start until the other tasks are done.
-    Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether
-    the task is scheduled, running, done, etc.
+    A task is some <em>computing amount</em> that can be executed in parallel on several hosts.
+    A task may depend on other tasks, which means that the task cannot start until the other tasks are done.
+    Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether the task is scheduled, running, done, ...
 
     @see SD_task_management */
 typedef struct SD_task *SD_task_t;
@@ -67,14 +42,13 @@ typedef struct SD_task *SD_task_t;
     @see SD_task_management */
 typedef enum {
   SD_NOT_SCHEDULED = 0,      /**< @brief Initial state (not valid for SD_watch and SD_unwatch). */
-  SD_SCHEDULABLE = 0x0001,               /**< @brief A task becomes SD_SCHEDULABLE as soon as its dependencies are satisfied */
+  SD_SCHEDULABLE = 0x0001,   /**< @brief A task becomes SD_SCHEDULABLE as soon as its dependencies are satisfied */
   SD_SCHEDULED = 0x0002,     /**< @brief A task becomes SD_SCHEDULED when you call function
                                   SD_task_schedule. SD_simulate will execute it when it becomes SD_RUNNABLE. */
   SD_RUNNABLE = 0x0004,      /**< @brief A scheduled task becomes runnable is SD_simulate as soon as its dependencies are satisfied. */
-  SD_IN_FIFO = 0x0008,       /**< @brief A runnable task can have to wait in a workstation fifo if the workstation is sequential */
-  SD_RUNNING = 0x0010,       /**< @brief An SD_RUNNABLE or SD_IN_FIFO becomes SD_RUNNING when it is launched. */
-  SD_DONE = 0x0020,          /**< @brief The task is successfully finished. */
-  SD_FAILED = 0x0040         /**< @brief A problem occurred during the execution of the task. */
+  SD_RUNNING = 0x0008,       /**< @brief An SD_RUNNABLE task becomes SD_RUNNING when it is launched. */
+  SD_DONE = 0x0010,          /**< @brief The task is successfully finished. */
+  SD_FAILED = 0x0020         /**< @brief A problem occurred during the execution of the task. */
 } e_SD_task_state_t;
 
 /** @brief Task kinds
@@ -89,151 +63,49 @@ typedef enum {
   SD_TASK_COMM_PAR_MXN_1D_BLOCK = 4 /**< @brief MxN data redistribution (1D Block distribution) */
 } e_SD_task_kind_t;
 
-
 /** @brief Storage datatype
     @ingroup SD_datatypes_management
 
- TODO PV: comment it !
-
     @see SD_storage_management */
 typedef xbt_dictelm_t SD_storage_t;
 
-/************************** AS handling *************************************/
-XBT_PUBLIC(xbt_dict_t) SD_as_router_get_properties(const char *as);
-XBT_PUBLIC(const char*) SD_as_router_get_property_value(const char * as,
-                                                  const char *name);
-
-/************************** Link handling ***********************************/
-/** @defgroup SD_link_management Links
- *  @brief Functions for managing the network links
- *
- *  This section describes the functions for managing the network links.
- *
- *  A link is a network node represented as a <em>name</em>, a <em>current
- *  bandwidth</em> and a <em>current latency</em>. The links are created
- *  when you call the function SD_create_environment.
- *
- *  @see SD_link_t
- *  @{
- */
-XBT_PUBLIC(const SD_link_t *) SD_link_get_list(void);
-XBT_PUBLIC(int) SD_link_get_number(void);
-/** @brief Returns the user data of a link */
-static inline void *SD_link_get_data(SD_link_t link) {
-  return surf_network_link_data(link);
-}
-
-/** @brief Sets the user data of a link
- *
- * The new data can be \c NULL. The old data should have been freed first
- * if it was not \c NULL.
- */
-static inline void SD_link_set_data(SD_link_t link, void *data) {
-       surf_network_link_data_set(link, data);
-}
-/** @Returns the name of a link  */
-static inline const char *SD_link_get_name(SD_link_t link) {
-  return surf_network_link_get_name(link);
-}
-/** @brief Returns the current bandwidth of a link (in bytes per second) */
-static inline double SD_link_get_current_bandwidth(SD_link_t link) {
-  return surf_network_link_get_bandwidth(link);
-}
-/** @brief Returns the current latency of a link (in seconds) */
-static inline double SD_link_get_current_latency(SD_link_t link){
-  return surf_network_link_get_latency(link);
-}
-/** @brief Returns the sharing policy of this workstation.
- *  @return true if the link is shared, and false if it's a fatpipe
- */
-static inline int SD_link_is_shared(SD_link_t link) {
-  return surf_network_link_is_shared(link);
-}
-/** @} */
-
 /************************** Workstation handling ****************************/
-
-/** @defgroup SD_workstation_management Workstations
- *  @brief Functions for managing the workstations
+/** @defgroup sg_host_management Hosts
+ *  @brief Functions for managing the Hosts
  *
- *  This section describes the functions for managing the workstations.
+ *  This section describes the functions for managing the hosts.
  *
- *  A workstation is a place where a task can be executed.
- *  A workstation is represented as a <em>physical
- *  resource with computing capabilities</em> and has a <em>name</em>.
+ *  A host is a place where a task can be executed.
+ *  A host is represented as a <em>physical resource with computing capabilities</em> and has a <em>name</em>.
  *
- *  The workstations are created when you call the function SD_create_environment.
+ *  The hosts are created when you call the function SD_create_environment.
  *
- *  @see SD_workstation_t
+ *  @see sg_host_t
  *  @{
  */
-XBT_PUBLIC(SD_workstation_t) SD_workstation_get_by_name(const char *name);
-XBT_PUBLIC(const SD_workstation_t *) SD_workstation_get_list(void);
-XBT_PUBLIC(int) SD_workstation_get_number(void);
-XBT_PUBLIC(void) SD_workstation_set_data(SD_workstation_t workstation,
-                                         void *data);
-XBT_PUBLIC(void *) SD_workstation_get_data(SD_workstation_t workstation);
-XBT_PUBLIC(const char *) SD_workstation_get_name(SD_workstation_t
-                                                 workstation);
-/*property handling functions*/
-XBT_PUBLIC(xbt_dict_t) SD_workstation_get_properties(SD_workstation_t
-                                                     workstation);
-XBT_PUBLIC(const char *) SD_workstation_get_property_value(SD_workstation_t
-                                                           workstation,
-                                                           const char
-                                                           *name);
-XBT_PUBLIC(void) SD_workstation_dump(SD_workstation_t ws);
-XBT_PUBLIC(const SD_link_t *) SD_route_get_list(SD_workstation_t src,
-                                                SD_workstation_t dst);
-XBT_PUBLIC(int) SD_route_get_size(SD_workstation_t src,
-                                  SD_workstation_t dst);
-XBT_PUBLIC(double) SD_workstation_get_power(SD_workstation_t workstation);
-XBT_PUBLIC(double) SD_workstation_get_available_power(SD_workstation_t
-                                                      workstation);
-XBT_PUBLIC(int) SD_workstation_get_cores(SD_workstation_t workstation);
-XBT_PUBLIC(e_SD_workstation_access_mode_t)
-    SD_workstation_get_access_mode(SD_workstation_t workstation);
-XBT_PUBLIC(void) SD_workstation_set_access_mode(SD_workstation_t
-                                                workstation,
-                                                e_SD_workstation_access_mode_t
-                                                access_mode);
-
-XBT_PUBLIC(double) SD_workstation_get_computation_time(SD_workstation_t workstation,
-                                                       double flops_amount);
-XBT_PUBLIC(double) SD_route_get_current_latency(SD_workstation_t src,
-                                                SD_workstation_t dst);
-XBT_PUBLIC(double) SD_route_get_current_bandwidth(SD_workstation_t src,
-                                                  SD_workstation_t dst);
-XBT_PUBLIC(double) SD_route_get_communication_time(SD_workstation_t src,
-                                                   SD_workstation_t dst,
-                                                   double bytes_amount);
-
-XBT_PUBLIC(SD_task_t) SD_workstation_get_current_task(SD_workstation_t workstation);
-XBT_PUBLIC(xbt_dict_t)
-    SD_workstation_get_mounted_storage_list(SD_workstation_t workstation);
-XBT_PUBLIC(xbt_dynar_t)
-    SD_workstation_get_attached_storage_list(SD_workstation_t workstation);
+XBT_PUBLIC(SD_link_t *) SD_route_get_list(sg_host_t src, sg_host_t dst);
+XBT_PUBLIC(int) SD_route_get_size(sg_host_t src, sg_host_t dst);
+
+XBT_PUBLIC(double) SD_route_get_latency(sg_host_t src, sg_host_t dst);
+XBT_PUBLIC(double) SD_route_get_bandwidth(sg_host_t src, sg_host_t dst);
+
 XBT_PUBLIC(const char*) SD_storage_get_host(SD_storage_t storage);
 /** @} */
 
 /************************** Task handling ************************************/
-
 /** @defgroup SD_task_management Tasks
  *  @brief Functions for managing the tasks
  *
  *  This section describes the functions for managing the tasks.
  *
- *  A task is some <em>working amount</em> that can be executed
- *  in parallel on several workstations. A task may depend on other
- *  tasks, this means that the task cannot start until the other tasks are done.
- *  Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether
- *  the task is scheduled, running, done, etc.
+ *  A task is some <em>working amount</em> that can be executed in parallel on several hosts.
+ *  A task may depend on other tasks, which means that the task cannot start until the other tasks are done.
+ *  Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether the task is scheduled, running, done, ...
  *
  *  @see SD_task_t, SD_task_dependency_management
  *  @{
  */
-XBT_PUBLIC(SD_task_t) SD_task_create(const char *name, void *data,
-                                     double amount);
+XBT_PUBLIC(SD_task_t) SD_task_create(const char *name, void *data, double amount);
 XBT_PUBLIC(void *) SD_task_get_data(SD_task_t task);
 XBT_PUBLIC(void) SD_task_set_data(SD_task_t task, void *data);
 XBT_PUBLIC(e_SD_task_state_t) SD_task_get_state(SD_task_t task);
@@ -247,46 +119,29 @@ XBT_PUBLIC(double) SD_task_get_amount(SD_task_t task);
 XBT_PUBLIC(void) SD_task_set_amount(SD_task_t task, double amount);
 XBT_PUBLIC(double) SD_task_get_alpha(SD_task_t task);
 XBT_PUBLIC(double) SD_task_get_remaining_amount(SD_task_t task);
-XBT_PUBLIC(double) SD_task_get_execution_time(SD_task_t task,
-                                              int workstation_nb,
-                                              const SD_workstation_t *
-                                              workstation_list,
-                                              const double *flops_amount,
-                                                                                         const double *bytes_amount);
-XBT_PUBLIC(int) SD_task_get_kind(SD_task_t task);
-XBT_PUBLIC(void) SD_task_schedule(SD_task_t task, int workstation_nb,
-                                  const SD_workstation_t *
-                                  workstation_list,
-                                  const double *flops_amount,
-                                  const double *bytes_amount,
-                                  double rate);
+XBT_PUBLIC(double) SD_task_get_execution_time(SD_task_t task, int workstation_nb, const sg_host_t *workstation_list,
+                                              const double *flops_amount, const double *bytes_amount);
+XBT_PUBLIC(e_SD_task_kind_t) SD_task_get_kind(SD_task_t task);
+XBT_PUBLIC(void) SD_task_schedule(SD_task_t task, int workstation_nb, const sg_host_t *workstation_list,
+                                  const double *flops_amount, const double *bytes_amount, double rate);
 XBT_PUBLIC(void) SD_task_unschedule(SD_task_t task);
 XBT_PUBLIC(double) SD_task_get_start_time(SD_task_t task);
 XBT_PUBLIC(double) SD_task_get_finish_time(SD_task_t task);
 XBT_PUBLIC(xbt_dynar_t) SD_task_get_parents(SD_task_t task);
 XBT_PUBLIC(xbt_dynar_t) SD_task_get_children(SD_task_t task);
 XBT_PUBLIC(int) SD_task_get_workstation_count(SD_task_t task);
-XBT_PUBLIC(SD_workstation_t *) SD_task_get_workstation_list(SD_task_t
-                                                            task);
+XBT_PUBLIC(sg_host_t *) SD_task_get_workstation_list(SD_task_t task);
 XBT_PUBLIC(void) SD_task_destroy(SD_task_t task);
 XBT_PUBLIC(void) SD_task_dump(SD_task_t task);
 XBT_PUBLIC(void) SD_task_dotty(SD_task_t task, void *out_FILE);
 
-XBT_PUBLIC(SD_task_t) SD_task_create_comp_seq(const char *name, void *data,
-                                              double amount);
-XBT_PUBLIC(SD_task_t) SD_task_create_comp_par_amdahl(const char *name,
-                                                     void *data,
-                                                     double amount,
-                                                     double alpha);
-XBT_PUBLIC(SD_task_t) SD_task_create_comm_e2e(const char *name, void *data,
-                                              double amount);
-XBT_PUBLIC(SD_task_t) SD_task_create_comm_par_mxn_1d_block(const char *name,
-                                                           void *data,
-                                                           double amount);
+XBT_PUBLIC(SD_task_t) SD_task_create_comp_seq(const char *name, void *data, double amount);
+XBT_PUBLIC(SD_task_t) SD_task_create_comp_par_amdahl(const char *name, void *data, double amount, double alpha);
+XBT_PUBLIC(SD_task_t) SD_task_create_comm_e2e(const char *name, void *data, double amount);
+XBT_PUBLIC(SD_task_t) SD_task_create_comm_par_mxn_1d_block(const char *name, void *data, double amount);
 
 XBT_PUBLIC(void) SD_task_distribute_comp_amdahl(SD_task_t task, int ws_count);
-XBT_PUBLIC(void) SD_task_schedulev(SD_task_t task, int count,
-                                   const SD_workstation_t * list);
+XBT_PUBLIC(void) SD_task_schedulev(SD_task_t task, int count, const sg_host_t * list);
 XBT_PUBLIC(void) SD_task_schedulel(SD_task_t task, int count, ...);
 
 
@@ -294,17 +149,12 @@ XBT_PUBLIC(void) SD_task_schedulel(SD_task_t task, int count, ...);
  *
  *  For example, create a pure computation task (no comm) like this:
  *
- *  SD_task_schedule(task, my_workstation_nb,
- *                   my_workstation_list,
- *                   my_flops_amount,
- *                   SD_TASK_SCHED_NO_COST,
- *                   my_rate);
+ *  SD_task_schedule(task, my_host_count, my_host_list, my_flops_amount, SD_TASK_SCHED_NO_COST, my_rate);
  */
 #define SD_SCHED_NO_COST NULL
 
 /** @} */
 
-
 /** @defgroup SD_task_dependency_management Tasks dependencies
  *  @brief Functions for managing the task dependencies
  *
@@ -313,42 +163,65 @@ XBT_PUBLIC(void) SD_task_schedulel(SD_task_t task, int count, ...);
  *  @see SD_task_management
  *  @{
  */
-XBT_PUBLIC(void) SD_task_dependency_add(const char *name, void *data,
-                                        SD_task_t src, SD_task_t dst);
+XBT_PUBLIC(void) SD_task_dependency_add(const char *name, void *data, SD_task_t src, SD_task_t dst);
 XBT_PUBLIC(void) SD_task_dependency_remove(SD_task_t src, SD_task_t dst);
-XBT_PUBLIC(const char *) SD_task_dependency_get_name(SD_task_t src,
-                                                     SD_task_t dst);
-XBT_PUBLIC(void *) SD_task_dependency_get_data(SD_task_t src,
-                                               SD_task_t dst);
+XBT_PUBLIC(const char *) SD_task_dependency_get_name(SD_task_t src, SD_task_t dst);
+XBT_PUBLIC(void *) SD_task_dependency_get_data(SD_task_t src, SD_task_t dst);
 XBT_PUBLIC(int) SD_task_dependency_exists(SD_task_t src, SD_task_t dst);
 /** @} */
 
 /************************** Global *******************************************/
-
 /** @defgroup SD_simulation Simulation
  *  @brief Functions for creating the environment and launching the simulation
  *
- *  This section describes the functions for initialising SimDag, launching
- *  the simulation and exiting SimDag.
+ *  This section describes the functions for initializing SimDag, launching the simulation and exiting SimDag.
  *
  *  @{
  */
 XBT_PUBLIC(void) SD_init(int *argc, char **argv);
 XBT_PUBLIC(void) SD_config(const char *key, const char *value);
-XBT_PUBLIC(void) SD_application_reinit(void);
 XBT_PUBLIC(void) SD_create_environment(const char *platform_file);
 XBT_PUBLIC(xbt_dynar_t) SD_simulate(double how_long);
 XBT_PUBLIC(double) SD_get_clock(void);
 XBT_PUBLIC(void) SD_exit(void);
 XBT_PUBLIC(xbt_dynar_t) SD_daxload(const char *filename);
 XBT_PUBLIC(xbt_dynar_t) SD_dotload(const char *filename);
-XBT_PUBLIC(xbt_dynar_t) SD_PTG_dotload(const char *filename);
 XBT_PUBLIC(xbt_dynar_t) SD_dotload_with_sched(const char *filename);
-XBT_PUBLIC(void) uniq_transfer_task_name(SD_task_t task);
+XBT_PUBLIC(xbt_dynar_t) SD_PTG_dotload(const char *filename);
 
 /** @} */
 
-#include "simgrid/instr.h"
+/* Support some backward compatibility */
+#define SD_workstation_t sg_host_t
+
+#define SD_link_get_name sg_link_name
+#define SD_link_get_current_latency sg_link_latency
+#define SD_link_get_current_bandwidth sg_link_bandwidth
+
+#define SD_route_get_current_latency SD_route_get_latency
+#define SD_route_get_current_bandwidth SD_route_get_bandwidth
+
+#define SD_workstation_get_list sg_host_list
+#define SD_workstation_get_number sg_host_count
+
+#define SD_workstation_get_name sg_host_get_name
+#define SD_workstation_get_by_name sg_host_by_name
+#define SD_workstation_dump sg_host_dump
+#define SD_workstation_get_data sg_host_user
+#define SD_workstation_set_data sg_host_user_set
+#define SD_workstation_get_properties sg_host_get_properties
+#define SD_workstation_get_property_value sg_host_get_property_value
+#define SD_workstation_get_power sg_host_speed
+#define SD_workstation_get_available_power sg_host_get_available_speed
+
+#define SD_workstation_get_mounted_storage_list sg_host_get_mounted_storage_list
+// Lost functions
+//SD_workstation_get_access_mode
+//SD_workstation_set_access_mode
+//SD_workstation_get_current_task
+//SD_route_get_communication_time => SG_route_get_latency() + amount / SD_route_get_bandwidth()
+//SD_workstation_get_computation_time => amount / sg_host_speed()
+//TRACE_sd_set_task_category
 
 SG_END_DECL()
 #endif