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@@ -69,6 +69,9 @@ like <c>component->push_task(component,task)</c>
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recursive call on a child or store the task in the component,
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then it will be returned by a further pull_task call.
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the caller must ensure that component is able to execute task.
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+ This method must either return 0 if it the task was properly stored or
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+ passed over to a child component, or return a value different from 0 if the
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+ task could not be consumed (e.g. the queue is full).
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\var struct starpu_task * (*starpu_sched_component::pull_task)(struct starpu_sched_component *)
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pop a task from the scheduler module. this function is called by workers to get a task from their
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parents. this function should first return a locally stored task
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@@ -79,13 +82,13 @@ like <c>component->push_task(component,task)</c>
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This function is called by a component which implements a queue,
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allowing it to signify to its parents that an empty slot is
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available in its queue. The basic implementation of this function
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- is a recursive call to its parents, the user have to specify a
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+ is a recursive call to its parents, the user has to specify a
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personally-made function to catch those calls.
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\var void (*starpu_sched_component::can_pull)(struct starpu_sched_component *component)
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This function allow a component to wake up a worker. It is
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currently called by component which implements a queue, to
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signify to its children that a task have been pushed in its local
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- queue, and is available to been popped by a worker, for example.
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+ queue, and is available to be popped by a worker, for example.
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The basic implementation of this function is a recursive call to
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its children, until at least one worker have been woken up.
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