/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include "src/surf/HostImpl.hpp"
#include "src/surf/surf_interface.hpp"
-#include "src/surf/host_interface.hpp"
#include "src/simdag/simdag_private.h"
#include "simgrid/simdag.h"
-#include "xbt/sysdep.h"
-#include "xbt/dynar.h"
#include "src/instr/instr_private.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_task, sd, "Logging specific to SimDag (task)");
-static void __SD_task_remove_dependencies(SD_task_t task);
-static void __SD_task_destroy_scheduling_data(SD_task_t task);
+/* Destroys a dependency between two tasks. */
+static void __SD_task_dependency_destroy(void *dependency)
+{
+ xbt_free(((SD_dependency_t)dependency)->name);
+ xbt_free(dependency);
+}
+
+/* Remove all dependencies associated with a task. This function is called when the task is destroyed. */
+static void __SD_task_remove_dependencies(SD_task_t task)
+{
+ /* we must destroy the dependencies carefuly (with SD_dependency_remove) because each one is stored twice */
+ SD_dependency_t dependency;
+ while (!xbt_dynar_is_empty(task->tasks_before)) {
+ xbt_dynar_get_cpy(task->tasks_before, 0, &dependency);
+ SD_task_dependency_remove(dependency->src, dependency->dst);
+ }
+
+ while (!xbt_dynar_is_empty(task->tasks_after)) {
+ xbt_dynar_get_cpy(task->tasks_after, 0, &dependency);
+ SD_task_dependency_remove(dependency->src, dependency->dst);
+ }
+}
+
+/* Destroys the data memorized by SD_task_schedule. Task state must be SD_SCHEDULED or SD_RUNNABLE. */
+static void __SD_task_destroy_scheduling_data(SD_task_t task)
+{
+ if (task->state != SD_SCHEDULED && task->state != SD_RUNNABLE)
+ THROWF(arg_error, 0, "Task '%s' must be SD_SCHEDULED or SD_RUNNABLE", SD_task_get_name(task));
+
+ xbt_free(task->flops_amount);
+ xbt_free(task->bytes_amount);
+ task->flops_amount = task->bytes_amount = NULL;
+}
void* SD_task_new_f(void)
{
task->state= SD_NOT_SCHEDULED;
xbt_dynar_push(sd_global->initial_task_set,&task);
-
task->marked = 0;
task->start_time = -1.0;
return task;
}
-static XBT_INLINE SD_task_t SD_task_create_sized(const char *name, void *data, double amount, int ws_count)
+static inline SD_task_t SD_task_create_sized(const char *name, void *data, double amount, int ws_count)
{
SD_task_t task = SD_task_create(name, data, amount);
task->bytes_amount = xbt_new0(double, ws_count * ws_count);
SD_task_t SD_task_create_comp_par_amdahl(const char *name, void *data, double flops_amount, double alpha)
{
xbt_assert(alpha < 1. && alpha >= 0., "Invalid parameter: alpha must be in [0.;1.[");
-
+
SD_task_t res = SD_task_create(name, data, flops_amount);
res->alpha = alpha;
res->kind = SD_TASK_COMP_PAR_AMDAHL;
*/
void SD_task_destroy(SD_task_t task)
{
- int idx;
XBT_DEBUG("Destroying task %s...", SD_task_get_name(task));
__SD_task_remove_dependencies(task);
if (task->state == SD_SCHEDULED || task->state == SD_RUNNABLE)
__SD_task_destroy_scheduling_data(task);
- idx = xbt_dynar_search_or_negative(sd_global->return_set, &task);
+ int idx = xbt_dynar_search_or_negative(sd_global->return_set, &task);
if (idx >=0) {
xbt_dynar_remove_at(sd_global->return_set, idx, NULL);
}
xbt_dynar_push(sd_global->completed_task_set,&task);
task->finish_time = task->surf_action->getFinishTime();
task->remains = 0;
-#ifdef HAVE_JEDULE
+#if HAVE_JEDULE
jedule_log_sd_event(task);
#endif
break;
xbt_dynar_t SD_task_get_parents(SD_task_t task)
{
unsigned int i;
- xbt_dynar_t parents;
SD_dependency_t dep;
- parents = xbt_dynar_new(sizeof(SD_task_t), NULL);
+ xbt_dynar_t parents = xbt_dynar_new(sizeof(SD_task_t), NULL);
xbt_dynar_foreach(task->tasks_before, i, dep) {
xbt_dynar_push(parents, &(dep->src));
}
xbt_dynar_t SD_task_get_children(SD_task_t task)
{
unsigned int i;
- xbt_dynar_t children;
SD_dependency_t dep;
- children = xbt_dynar_new(sizeof(SD_task_t), NULL);
+ xbt_dynar_t children = xbt_dynar_new(sizeof(SD_task_t), NULL);
xbt_dynar_foreach(task->tasks_after, i, dep) {
xbt_dynar_push(children, &(dep->dst));
}
double SD_task_get_remaining_amount(SD_task_t task)
{
if (task->surf_action)
- return surf_action_get_remains(task->surf_action);
+ return task->surf_action->getRemains();
else
return task->remains;
}
return task->kind;
}
-/** @brief Displays debugging informations about a task */
+/** @brief Displays debugging information about a task */
void SD_task_dump(SD_task_t task)
{
unsigned int counter;
SD_dependency_t dependency;
- char *statename;
XBT_INFO("Displaying task %s", SD_task_get_name(task));
- statename = bprintf("%s%s%s%s%s%s%s",
+ char *statename = bprintf("%s%s%s%s%s%s%s",
(task->state == SD_NOT_SCHEDULED ? " not scheduled" : ""),
(task->state == SD_SCHEDULABLE ? " schedulable" : ""),
(task->state == SD_SCHEDULED ? " scheduled" : ""),
}
}
-/* Destroys a dependency between two tasks.
- */
-static void __SD_task_dependency_destroy(void *dependency)
-{
- xbt_free(((SD_dependency_t)dependency)->name);
- xbt_free(dependency);
-}
-
/**
* \brief Adds a dependency between two tasks
*
*/
void SD_task_dependency_add(const char *name, void *data, SD_task_t src, SD_task_t dst)
{
- xbt_dynar_t dynar;
- unsigned long length;
int found = 0;
- unsigned long i;
SD_dependency_t dependency;
- e_SD_task_state_t state;
- dynar = src->tasks_after;
- length = xbt_dynar_length(dynar);
+ unsigned long length = xbt_dynar_length(src->tasks_after);
if (src == dst)
THROWF(arg_error, 0, "Cannot add a dependency between task '%s' and itself", SD_task_get_name(src));
- state = SD_task_get_state(src);
+ e_SD_task_state_t state = SD_task_get_state(src);
if (state != SD_NOT_SCHEDULED && state != SD_SCHEDULABLE && state != SD_RUNNING && state != SD_SCHEDULED &&
state != SD_RUNNABLE)
THROWF(arg_error, 0, "Task '%s' must be SD_NOT_SCHEDULED, SD_SCHEDULABLE, SD_SCHEDULED, SD_RUNNABLE, or SD_RUNNING",
SD_task_get_name(dst));
XBT_DEBUG("SD_task_dependency_add: src = %s, dst = %s", SD_task_get_name(src), SD_task_get_name(dst));
- for (i = 0; i < length && !found; i++) {
- xbt_dynar_get_cpy(dynar, i, &dependency);
+ for (unsigned long i = 0; i < length && !found; i++) {
+ xbt_dynar_get_cpy(src->tasks_after, i, &dependency);
found = (dependency->dst == dst);
XBT_DEBUG("Dependency %lu: dependency->dst = %s", i, SD_task_get_name(dependency->dst));
}
SD_task_set_state(dst, SD_SCHEDULED);
}
}
+
/**
- * \brief Returns the name given as input when dependency has been created..
+ * \brief Returns the name given as input when dependency has been created.
*
* \param src a task
* \param dst a task depending on \a src
- *
*/
-const char *SD_task_dependency_get_name(SD_task_t src, SD_task_t dst){
+const char *SD_task_dependency_get_name(SD_task_t src, SD_task_t dst)
+{
unsigned int i;
SD_dependency_t dependency;
*/
int SD_task_dependency_exists(SD_task_t src, SD_task_t dst)
{
- unsigned int counter;
- SD_dependency_t dependency;
-
xbt_assert(src != NULL || dst != NULL, "Invalid parameter: both src and dst are NULL");
if (src) {
if (dst) {
+ unsigned int counter;
+ SD_dependency_t dependency;
xbt_dynar_foreach(src->tasks_after, counter, dependency) {
if (dependency->dst == dst)
return 1;
*/
void SD_task_dependency_remove(SD_task_t src, SD_task_t dst)
{
- xbt_dynar_t dynar;
unsigned long length;
int found = 0;
- unsigned long i;
SD_dependency_t dependency;
/* remove the dependency from src->tasks_after */
- dynar = src->tasks_after;
- length = xbt_dynar_length(dynar);
+ length = xbt_dynar_length(src->tasks_after);
- for (i = 0; i < length && !found; i++) {
- xbt_dynar_get_cpy(dynar, i, &dependency);
+ for (unsigned long i = 0; i < length && !found; i++) {
+ xbt_dynar_get_cpy(src->tasks_after, i, &dependency);
if (dependency->dst == dst) {
- xbt_dynar_remove_at(dynar, i, NULL);
+ xbt_dynar_remove_at(src->tasks_after, i, NULL);
found = 1;
}
}
SD_task_get_name(src), SD_task_get_name(dst), SD_task_get_name(dst), SD_task_get_name(src));
/* remove the dependency from dst->tasks_before */
- dynar = dst->tasks_before;
- length = xbt_dynar_length(dynar);
+ length = xbt_dynar_length(dst->tasks_before);
found = 0;
- for (i = 0; i < length && !found; i++) {
- xbt_dynar_get_cpy(dynar, i, &dependency);
+ for (unsigned long i = 0; i < length && !found; i++) {
+ xbt_dynar_get_cpy(dst->tasks_before, i, &dependency);
if (dependency->src == src) {
- xbt_dynar_remove_at(dynar, i, NULL);
+ xbt_dynar_remove_at(dst->tasks_before, i, NULL);
__SD_task_dependency_destroy(dependency);
dst->unsatisfied_dependencies--;
dst->is_not_ready--;
SD_task_get_name(dst), SD_task_get_name(src), SD_task_get_name(src), SD_task_get_name(dst));
/* if the task was scheduled and dst->tasks_before is empty now, we can make it runnable */
-
if (dst->unsatisfied_dependencies == 0) {
if (SD_task_get_state(dst) == SD_SCHEDULED)
SD_task_set_state(dst, SD_RUNNABLE);
*/
void *SD_task_dependency_get_data(SD_task_t src, SD_task_t dst)
{
- xbt_dynar_t dynar;
- unsigned long length;
int found = 0;
- unsigned long i;
SD_dependency_t dependency;
- dynar = src->tasks_after;
- length = xbt_dynar_length(dynar);
+ unsigned long length = xbt_dynar_length(src->tasks_after);
- for (i = 0; i < length && !found; i++) {
- xbt_dynar_get_cpy(dynar, i, &dependency);
+ for (unsigned long i = 0; i < length && !found; i++) {
+ xbt_dynar_get_cpy(src->tasks_after, i, &dependency);
found = (dependency->dst == dst);
}
if (!found)
* The watch point is then automatically removed.
*
* \param task a task
- * \param state the \ref e_SD_task_state_t "state" you want to watch
- * (cannot be #SD_NOT_SCHEDULED)
+ * \param state the \ref e_SD_task_state_t "state" you want to watch (cannot be #SD_NOT_SCHEDULED)
* \see SD_task_unwatch()
*/
void SD_task_watch(SD_task_t task, e_SD_task_state_t state)
void SD_task_unwatch(SD_task_t task, e_SD_task_state_t state)
{
xbt_assert(state != SD_NOT_SCHEDULED, "SimDag error: Cannot have a watch point for state SD_NOT_SCHEDULED");
-
task->watch_points = task->watch_points & ~state;
}
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)
{
- double time, max_time = 0.0;
- int i, j;
xbt_assert(workstation_nb > 0, "Invalid parameter");
+ double max_time = 0.0;
/* the task execution time is the maximum execution time of the parallel tasks */
-
- for (i = 0; i < workstation_nb; i++) {
- time = 0.0;
+ for (int i = 0; i < workstation_nb; i++) {
+ double time = 0.0;
if (flops_amount != NULL)
- time = flops_amount[i] / sg_host_speed(workstation_list[i]);
+ time = flops_amount[i] / workstation_list[i]->speed();
if (bytes_amount != NULL)
- for (j = 0; j < workstation_nb; j++) {
+ for (int j = 0; j < workstation_nb; j++) {
if (bytes_amount[i * workstation_nb + j] !=0 ) {
time += (SD_route_get_latency(workstation_list[i], workstation_list[j]) +
bytes_amount[i * workstation_nb + j] /
return max_time;
}
-static XBT_INLINE void SD_task_do_schedule(SD_task_t task)
+static inline void SD_task_do_schedule(SD_task_t task)
{
if (SD_task_get_state(task) > SD_SCHEDULABLE)
THROWF(arg_error, 0, "Task '%s' has already been scheduled", SD_task_get_name(task));
- /* update the task state */
if (task->unsatisfied_dependencies == 0)
SD_task_set_state(task, SD_RUNNABLE);
else
* Once scheduled, a task is executed as soon as possible in \see SD_simulate, i.e. when its dependencies are satisfied.
*
* \param task the task you want to schedule
- * \param workstation_count number of workstations on which the task will be executed
+ * \param host_count number of workstations on which the task will be executed
* \param workstation_list the workstations on which the task will be executed
* \param flops_amount computation amount for each workstation
* \param bytes_amount communication amount between each pair of workstations
* \param rate task execution speed rate
* \see SD_task_unschedule()
*/
-void SD_task_schedule(SD_task_t task, int workstation_count, const sg_host_t * workstation_list,
+void SD_task_schedule(SD_task_t task, int host_count, const sg_host_t * workstation_list,
const double *flops_amount, const double *bytes_amount, double rate)
{
- xbt_assert(workstation_count > 0, "workstation_nb must be positive");
+ xbt_assert(host_count > 0, "workstation_nb must be positive");
- task->host_count = workstation_count;
+ task->host_count = host_count;
task->rate = rate;
if (flops_amount) {
- task->flops_amount = (double*)xbt_realloc(task->flops_amount, sizeof(double) * workstation_count);
- memcpy(task->flops_amount, flops_amount, sizeof(double) * workstation_count);
+ task->flops_amount = (double*)xbt_realloc(task->flops_amount, sizeof(double) * host_count);
+ memcpy(task->flops_amount, flops_amount, sizeof(double) * host_count);
} else {
xbt_free(task->flops_amount);
task->flops_amount = NULL;
}
- int communication_nb = workstation_count * workstation_count;
+ int communication_nb = host_count * host_count;
if (bytes_amount) {
task->bytes_amount = (double*)xbt_realloc(task->bytes_amount, sizeof(double) * communication_nb);
memcpy(task->bytes_amount, bytes_amount, sizeof(double) * communication_nb);
task->bytes_amount = NULL;
}
- task->host_list = (sg_host_t*) xbt_realloc(task->host_list, sizeof(sg_host_t) * workstation_count);
- memcpy(task->host_list, workstation_list, sizeof(sg_host_t) * workstation_count);
+ task->host_list = (sg_host_t*) xbt_realloc(task->host_list, sizeof(sg_host_t) * host_count);
+ memcpy(task->host_list, workstation_list, sizeof(sg_host_t) * host_count);
SD_task_do_schedule(task);
}
task->start_time = -1.0;
}
-/* Destroys the data memorized by SD_task_schedule. Task state must be SD_SCHEDULED or SD_RUNNABLE.
- */
-static void __SD_task_destroy_scheduling_data(SD_task_t task)
-{
- if (task->state != SD_SCHEDULED && task->state != SD_RUNNABLE)
- THROWF(arg_error, 0, "Task '%s' must be SD_SCHEDULED or SD_RUNNABLE", SD_task_get_name(task));
-
- xbt_free(task->flops_amount);
- xbt_free(task->bytes_amount);
- task->flops_amount = task->bytes_amount = NULL;
-}
-
/* Runs a task. */
void SD_task_run(SD_task_t task)
{
- int i;
- sg_host_t *hosts;
-
xbt_assert(SD_task_get_state(task) == SD_RUNNABLE, "Task '%s' is not runnable! Task state: %d",
SD_task_get_name(task), (int)SD_task_get_state(task));
xbt_assert(task->host_list != NULL, "Task '%s': workstation_list is NULL!", SD_task_get_name(task));
/* Copy the elements of the task into the action */
int host_nb = task->host_count;
- hosts = xbt_new(sg_host_t, host_nb);
+ sg_host_t *hosts = xbt_new(sg_host_t, host_nb);
- for (i = 0; i < host_nb; i++)
+ for (int i = 0; i < host_nb; i++)
hosts[i] = task->host_list[i];
double *flops_amount = xbt_new0(double, host_nb);
__SD_task_destroy_scheduling_data(task); /* now the scheduling data are not useful anymore */
SD_task_set_state(task, SD_RUNNING);
- xbt_assert(SD_task_get_state(task) == SD_RUNNING, "Bad state of task '%s': %d",
- SD_task_get_name(task), (int)SD_task_get_state(task));
-
-}
-
-/*
- * Remove all dependencies associated with a task. This function is called when the task is destroyed.
- */
-static void __SD_task_remove_dependencies(SD_task_t task)
-{
- /* we must destroy the dependencies carefuly (with SD_dependency_remove) because each one is stored twice */
- SD_dependency_t dependency;
- while (!xbt_dynar_is_empty(task->tasks_before)) {
- xbt_dynar_get_cpy(task->tasks_before, 0, &dependency);
- SD_task_dependency_remove(dependency->src, dependency->dst);
- }
-
- while (!xbt_dynar_is_empty(task->tasks_after)) {
- xbt_dynar_get_cpy(task->tasks_after, 0, &dependency);
- SD_task_dependency_remove(dependency->src, dependency->dst);
- }
}
/**
void SD_task_distribute_comp_amdahl(SD_task_t task, int ws_count)
{
- int i;
xbt_assert(task->kind == SD_TASK_COMP_PAR_AMDAHL, "Task %s is not a SD_TASK_COMP_PAR_AMDAHL typed task."
"Cannot use this function.", SD_task_get_name(task));
task->flops_amount = xbt_new0(double, ws_count);
task->host_count = ws_count;
task->host_list = xbt_new0(sg_host_t, ws_count);
- for(i=0;i<ws_count;i++){
+ for(int i=0;i<ws_count;i++){
task->flops_amount[i] = (task->alpha + (1 - task->alpha)/ws_count) * task->amount;
}
}
default:
xbt_die("Kind of task %s not supported by SD_task_schedulev()", SD_task_get_name(task));
}
+
if (task->kind == SD_TASK_COMM_E2E) {
XBT_VERB("Schedule comm task %s between %s -> %s. It costs %.f bytes", SD_task_get_name(task),
sg_host_get_name(task->host_list[0]), sg_host_get_name(task->host_list[1]), task->bytes_amount[2]);
-
}
/* Iterate over all children and parents being COMM_E2E to say where I am located (and start them if runnable) */
{
va_list ap;
sg_host_t *list = xbt_new(sg_host_t, count);
- int i;
va_start(ap, count);
- for (i = 0; i < count; i++) {
+ for (int i = 0; i < count; i++) {
list[i] = va_arg(ap, sg_host_t);
}
va_end(ap);
