-/* Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011. The SimGrid Team.
+/* Copyright (c) 2006-2013. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
sd_global->task_number++;
#ifdef HAVE_TRACING
- task->category = NULL;
+ TRACE_sd_task_create(task);
#endif
return task;
SD_task_t res = SD_task_create_sized(name, data, amount, 2);
res->communication_amount[2] = amount;
res->kind = SD_TASK_COMM_E2E;
+
+#ifdef HAVE_TRACING
+ TRACE_category("COMM_E2E");
+ TRACE_sd_set_task_category(res, "COMM_E2E");
+#endif
+
return res;
}
SD_task_t res = SD_task_create_sized(name, data, amount, 1);
res->computation_amount[0] = amount;
res->kind = SD_TASK_COMP_SEQ;
- return res;
+
+#ifdef HAVE_TRACING
+ TRACE_category("COMP_SEQ");
+ TRACE_sd_set_task_category(res, "COMP_SEQ");
+#endif
+
+return res;
}
/** @brief create a parallel computation task that can then be auto-scheduled
* mandatory power.
*
* A parallel computation can be scheduled on any number of host.
- * The underlying speedup model is Amdahl's law.
- * To be auto-scheduled, \see SD_task_distribute_comp_amdhal has to be called
+ * The underlying speedup model is Amdahl's law.
+ * To be auto-scheduled, \see SD_task_distribute_comp_amdahl has to be called
* first.
* \param name the name of the task (can be \c NULL)
* \param data the user data you want to associate with the task (can be \c NULL)
SD_task_t res = SD_task_create(name, data, amount);
res->alpha = alpha;
res->kind = SD_TASK_COMP_PAR_AMDAHL;
+
+#ifdef HAVE_TRACING
+ TRACE_category("COMP_PAR_AMDAHL");
+ TRACE_sd_set_task_category(res, "COMP_PAR_AMDAHL");
+#endif
+
return res;
}
SD_task_t res = SD_task_create(name, data, amount);
res->workstation_list=NULL;
res->kind = SD_TASK_COMM_PAR_MXN_1D_BLOCK;
+
+#ifdef HAVE_TRACING
+ TRACE_category("COMM_PAR_MXN_1D_BLOCK");
+ TRACE_sd_set_task_category(res, "COMM_PAR_MXN_1D_BLOCK");
+#endif
+
return res;
}
xbt_free(task->computation_amount);
#ifdef HAVE_TRACING
- if (task->category) xbt_free(task->category);
+ TRACE_sd_task_destroy(task);
#endif
xbt_mallocator_release(sd_global->task_mallocator,task);
return task->amount;
}
+/**
+ * \brief Sets the total amount of work of a task
+ * For sequential typed tasks (COMP_SEQ and COMM_E2E), it also sets the
+ * appropriate values in the computation_amount and communication_amount arrays
+ * respectively. Nothing more than modifying task->amount is done for paralle
+ * typed tasks (COMP_PAR_AMDAHL and COMM_PAR_MXN_1D_BLOCK) as the distribution
+ * of the amount of work is done at scheduling time.
+ *
+ * \param task a task
+ * \param amount the new amount of work to execute
+ */
+void SD_task_set_amount(SD_task_t task, double amount)
+{
+ task->amount = amount;
+ if (task->kind == SD_TASK_COMP_SEQ)
+ task->computation_amount[0] = amount;
+ if (task->kind == SD_TASK_COMM_E2E)
+ task->communication_amount[2] = amount;
+}
+
+/**
+ * \brief Returns the alpha parameter of a SD_TASK_COMP_PAR_AMDAHL task
+ *
+ * \param task a parallel task assuming Amdahl's law as speedup model
+ * \return the alpha parameter (serial part of a task in percent) for this task
+ */
+double SD_task_get_alpha(SD_task_t task)
+{
+ xbt_assert(SD_task_get_kind(task) == SD_TASK_COMP_PAR_AMDAHL,
+ "Alpha parameter is not defined for this kink of task");
+ return task->alpha;
+}
+
+
/**
* \brief Returns the remaining amount work to do till the completion of a task
*
XBT_INFO("Displaying task %s", SD_task_get_name(task));
statename = bprintf("%s %s %s %s %s %s %s %s",
- (task->state & SD_NOT_SCHEDULED ? "not scheduled" :
+ (task->state == SD_NOT_SCHEDULED ? "not scheduled" :
""),
- (task->state & SD_SCHEDULABLE ? "schedulable" : ""),
- (task->state & SD_SCHEDULED ? "scheduled" : ""),
- (task->state & SD_RUNNABLE ? "runnable" :
+ (task->state == SD_SCHEDULABLE ? "schedulable" : ""),
+ (task->state == SD_SCHEDULED ? "scheduled" : ""),
+ (task->state == SD_RUNNABLE ? "runnable" :
"not runnable"),
- (task->state & SD_IN_FIFO ? "in fifo" : ""),
- (task->state & SD_RUNNING ? "running" : ""),
- (task->state & SD_DONE ? "done" : ""),
- (task->state & SD_FAILED ? "failed" : ""));
+ (task->state == SD_IN_FIFO ? "in fifo" : ""),
+ (task->state == SD_RUNNING ? "running" : ""),
+ (task->state == SD_DONE ? "done" : ""),
+ (task->state == SD_FAILED ? "failed" : ""));
XBT_INFO(" - state: %s", statename);
free(statename);
case SD_TASK_COMP_PAR_AMDAHL:
XBT_INFO(" - kind: parallel computation following Amdahl's law");
break;
+ case SD_TASK_COMM_PAR_MXN_1D_BLOCK:
+ XBT_INFO(" - kind: MxN data redistribution assuming 1D block distribution");
+ break;
default:
XBT_INFO(" - (unknown kind %d)", task->kind);
}
}
+
+#ifdef HAVE_TRACING
+ if (task->category)
+ XBT_INFO(" - tracing category: %s", task->category);
+#endif
+
XBT_INFO(" - amount: %.0f", SD_task_get_amount(task));
+ if (task->kind == SD_TASK_COMP_PAR_AMDAHL)
+ XBT_INFO(" - alpha: %.2f", task->alpha);
XBT_INFO(" - Dependencies to satisfy: %d", task->unsatisfied_dependencies);
if (!xbt_dynar_is_empty(task->tasks_before)) {
XBT_INFO(" - pre-dependencies:");
fprintf(out, " T%p [label=\"%.20s\"", task, task->name);
switch (task->kind) {
case SD_TASK_COMM_E2E:
+ case SD_TASK_COMM_PAR_MXN_1D_BLOCK:
fprintf(out, ", shape=box");
break;
case SD_TASK_COMP_SEQ:
+ case SD_TASK_COMP_PAR_AMDAHL:
fprintf(out, ", shape=circle");
break;
default:
SD_task_t dst)
{
xbt_dynar_t dynar;
- int length;
+ unsigned long length;
int found = 0;
- int i;
+ unsigned long i;
SD_dependency_t dependency;
dynar = src->tasks_after;
for (i = 0; i < length && !found; i++) {
xbt_dynar_get_cpy(dynar, i, &dependency);
found = (dependency->dst == dst);
- XBT_DEBUG("Dependency %d: dependency->dst = %s", i,
+ 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..
+ *
+ * \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){
+ unsigned int i;
+ SD_dependency_t dependency;
+
+ xbt_dynar_foreach(src->tasks_after, i, dependency){
+ if (dependency->dst == dst)
+ return dependency->name;
+ }
+ return NULL;
+}
/**
* \brief Indicates whether there is a dependency between two tasks.
{
xbt_dynar_t dynar;
- int length;
+ unsigned long length;
int found = 0;
- int i;
+ unsigned long i;
SD_dependency_t dependency;
/* remove the dependency from src->tasks_after */
{
xbt_dynar_t dynar;
- int length;
+ unsigned long length;
int found = 0;
- int i;
+ unsigned long i;
SD_dependency_t dependency;
dynar = src->tasks_after;
&& ((task->kind == SD_TASK_COMP_PAR_AMDAHL) ||
(task->kind == SD_TASK_COMM_PAR_MXN_1D_BLOCK))) { /* Don't free scheduling data for typed tasks */
__SD_task_destroy_scheduling_data(task);
+ xbt_free(task->workstation_list);
task->workstation_list=NULL;
task->workstation_nb = 0;
}
for (i = 0; i < workstation_nb; i++) {
if (SD_workstation_get_access_mode(task->workstation_list[i]) ==
SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- task->workstation_list[i]->current_task = task;
+ SD_workstation_priv(task->workstation_list[i])->current_task = task;
xbt_assert(__SD_workstation_is_busy(task->workstation_list[i]),
"The workstation should be busy now");
}
surf_workstations = xbt_new(void *, workstation_nb);
for (i = 0; i < workstation_nb; i++)
- surf_workstations[i] = task->workstation_list[i]->surf_workstation;
+ surf_workstations[i] = task->workstation_list[i];
double *computation_amount = xbt_new0(double, workstation_nb);
double *communication_amount = xbt_new0(double, workstation_nb * workstation_nb);
if (!can_start) { /* if the task cannot start and is not in the FIFOs yet */
for (i = 0; i < task->workstation_nb; i++) {
workstation = task->workstation_list[i];
- if (workstation->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
+ if (SD_workstation_priv(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
XBT_DEBUG("Pushing task '%s' in the FIFO of workstation '%s'",
SD_task_get_name(task),
SD_workstation_get_name(workstation));
- xbt_fifo_push(workstation->task_fifo, task);
+ xbt_fifo_push(SD_workstation_priv(workstation)->task_fifo, task);
}
}
__SD_task_set_state(task, SD_IN_FIFO);
for (i = 0; i < task->workstation_nb; i++) {
workstation = task->workstation_list[i];
XBT_DEBUG("Workstation '%s': access_mode = %d",
- SD_workstation_get_name(workstation), (int)workstation->access_mode);
- if (workstation->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- xbt_assert(workstation->task_fifo != NULL,
+ SD_workstation_get_name(workstation), (int)SD_workstation_priv(workstation)->access_mode);
+ if (SD_workstation_priv(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
+ xbt_assert(SD_workstation_priv(workstation)->task_fifo != NULL,
"Workstation '%s' has sequential access but no FIFO!",
SD_workstation_get_name(workstation));
- xbt_assert(workstation->current_task =
+ xbt_assert(SD_workstation_priv(workstation)->current_task =
task, "Workstation '%s': current task should be '%s'",
SD_workstation_get_name(workstation),
SD_task_get_name(task));
/* the task is over so we can release the workstation */
- workstation->current_task = NULL;
+ SD_workstation_priv(workstation)->current_task = NULL;
XBT_DEBUG("Getting candidate in FIFO");
candidate =
xbt_fifo_get_item_content(xbt_fifo_get_first_item
- (workstation->task_fifo));
+ (SD_workstation_priv(workstation)->task_fifo));
if (candidate != NULL) {
XBT_DEBUG("Candidate: '%s'", SD_task_get_name(candidate));
/* I can start on this workstation if the workstation is shared
or if I am the first task in the FIFO */
- can_start = workstation->access_mode == SD_WORKSTATION_SHARED_ACCESS
+ can_start = SD_workstation_priv(workstation)->access_mode == SD_WORKSTATION_SHARED_ACCESS
|| candidate ==
xbt_fifo_get_item_content(xbt_fifo_get_first_item
- (workstation->task_fifo));
+ (SD_workstation_priv(workstation)->task_fifo));
}
XBT_DEBUG("Candidate '%s' can start: %d", SD_task_get_name(candidate),
workstation = candidate->workstation_list[j];
/* update the FIFO */
- if (workstation->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- candidate = xbt_fifo_shift(workstation->task_fifo); /* the return value is stored just for debugging */
+ if (SD_workstation_priv(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
+ candidate = xbt_fifo_shift(SD_workstation_priv(workstation)->task_fifo); /* the return value is stored just for debugging */
XBT_DEBUG("Head of the FIFO: '%s'",
(candidate !=
NULL) ? SD_task_get_name(candidate) : "NULL");
/** @brief Blah
*
*/
-void SD_task_distribute_comp_amdhal(SD_task_t task, int ws_count)
+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->computation_amount = xbt_new0(double, ws_count);
task->communication_amount = xbt_new0(double, ws_count * ws_count);
+ xbt_free(task->workstation_list);
task->workstation_nb = ws_count;
task->workstation_list = xbt_new0(SD_workstation_t, ws_count);
SD_task_get_name(task));
switch (task->kind) {
case SD_TASK_COMP_PAR_AMDAHL:
- SD_task_distribute_comp_amdhal(task, count);
+ SD_task_distribute_comp_amdahl(task, count);
case SD_TASK_COMM_E2E:
case SD_TASK_COMP_SEQ:
xbt_assert(task->workstation_nb == count,
* located (and start them if runnable) */
if (task->kind == SD_TASK_COMP_PAR_AMDAHL) {
XBT_VERB("Schedule computation task %s on %d workstations. %.f flops"
- " will be distributed following Amdahl'Law",
+ " will be distributed following Amdahl's Law",
SD_task_get_name(task), task->workstation_nb,
task->computation_amount[0]);
xbt_dynar_foreach(task->tasks_before, cpt, dep) {
SD_task_t before = dep->src;
if (before->kind == SD_TASK_COMM_PAR_MXN_1D_BLOCK){
if (!before->workstation_list){
- XBT_VERB("Sender side of Task %s is not scheduled yet. Fill the workstation list with receiver side",
+ XBT_VERB("Sender side of Task %s is not scheduled yet",
SD_task_get_name(before));
before->workstation_list = xbt_new0(SD_workstation_t, count);
before->workstation_nb = count;
+ XBT_VERB("Fill the workstation list with list of Task '%s'",
+ SD_task_get_name(task));
for (i=0;i<count;i++)
before->workstation_list[i] = task->workstation_list[i];
} else {
+ XBT_VERB("Build communication matrix for task '%s'",
+ SD_task_get_name(before));
int src_nb, dst_nb;
double src_start, src_end, dst_start, dst_end;
src_nb = before->workstation_nb;
task->workstation_list[i];
before->workstation_nb += count;
-
+ xbt_free(before->computation_amount);
+ xbt_free(before->communication_amount);
before->computation_amount = xbt_new0(double,
before->workstation_nb);
before->communication_amount = xbt_new0(double,
SD_task_t after = dep->dst;
if (after->kind == SD_TASK_COMM_PAR_MXN_1D_BLOCK){
if (!after->workstation_list){
- XBT_VERB("Receiver side of Task %s is not scheduled yet. Fill the workstation list with sender side",
+ XBT_VERB("Receiver side of Task '%s' is not scheduled yet",
SD_task_get_name(after));
after->workstation_list = xbt_new0(SD_workstation_t, count);
after->workstation_nb = count;
+ XBT_VERB("Fill the workstation list with list of Task '%s'",
+ SD_task_get_name(task));
for (i=0;i<count;i++)
after->workstation_list[i] = task->workstation_list[i];
} else {
after->workstation_nb += count;
+ xbt_free(after->computation_amount);
+ xbt_free(after->communication_amount);
+
after->computation_amount = xbt_new0(double, after->workstation_nb);
after->communication_amount = xbt_new0(double,
after->workstation_nb*
SD_task_schedulev(task, count, list);
free(list);
}
-
-/**
- * \brief Sets the tracing category of a task.
- *
- * This function should be called after the creation of a
- * SimDAG task, to define the category of that task. The first
- * parameter must contain a task that was created with the
- * function #SD_task_create. The second parameter must contain
- * a category that was previously declared with the function
- * #TRACE_category.
- *
- * \param task The task to be considered
- * \param category the name of the category to be associated to the task
- *
- * \see SD_task_get_category, TRACE_category, TRACE_category_with_color
- */
-void SD_task_set_category (SD_task_t task, const char *category)
-{
-#ifdef HAVE_TRACING
- if (!TRACE_is_enabled()) return;
- if (task == NULL) return;
- if (category == NULL){
- if (task->category) xbt_free (task->category);
- task->category = NULL;
- }else{
- task->category = xbt_strdup (category);
- }
-#endif
-}
-
-/**
- * \brief Gets the current tracing category of a task.
- *
- * \param task The task to be considered
- *
- * \see SD_task_set_category
- *
- * \return Returns the name of the tracing category of the given task, NULL otherwise
- */
-const char *SD_task_get_category (SD_task_t task)
-{
-#ifdef HAVE_TRACING
- return task->category;
-#else
- return NULL;
-#endif
-}
