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@@ -26,10 +26,7 @@ extern "C"
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unsigned starpu_sched_ctx_create(const char *policy_name, int *workerids_ctx, int nworkers_ctx, const char *sched_ctx_name);
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-/* create a context indicating an approximate interval of resources */
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-unsigned starpu_sched_ctx_create_inside_interval(const char *policy_name, const char *sched_name,
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- int min_ncpus, int max_ncpus, int min_ngpus, int max_ngpus,
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- unsigned allow_overlap);
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+unsigned starpu_sched_ctx_create_inside_interval(const char *policy_name, const char *sched_name, int min_ncpus, int max_ncpus, int min_ngpus, int max_ngpus, unsigned allow_overlap);
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void starpu_sched_ctx_add_workers(int *workerids_ctx, int nworkers_ctx, unsigned sched_ctx_id);
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@@ -37,140 +34,81 @@ void starpu_sched_ctx_remove_workers(int *workerids_ctx, int nworkers_ctx, unsig
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void starpu_sched_ctx_delete(unsigned sched_ctx_id);
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-/* indicate which context whill inherit the resources of this context when he will be deleted */
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void starpu_sched_ctx_set_inheritor(unsigned sched_ctx_id, unsigned inheritor);
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-/* indicate that the current thread is submitting only to the current context */
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void starpu_sched_ctx_set_context(unsigned *sched_ctx_id);
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-/* find out to which context is submitting the current thread */
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unsigned starpu_sched_ctx_get_context(void);
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-/* stop submitting tasks from the empty context list until the next time the context has
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- time to check the empty context list*/
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void starpu_sched_ctx_stop_task_submission(void);
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-/* indicate starpu that hte application finished submitting to this context in order to
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- move the workers to the inheritor as soon as possible */
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void starpu_sched_ctx_finished_submit(unsigned sched_ctx_id);
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-/*
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- * CONNECTION WITH THE HYPERVISOR
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- */
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-
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-/* performance counters used by the starpu to indicate the hypervisor
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- how the application and the resources are executing */
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struct starpu_sched_ctx_performance_counters
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{
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- /* tell the hypervisor for how long a worker was idle in a certain context */
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void (*notify_idle_cycle)(unsigned sched_ctx_id, int worker, double idle_time);
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- /* tell the hypervisor when a worker stoped being idle in a certain context */
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void (*notify_idle_end)(unsigned sched_ctx_id, int worker);
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- /* tell the hypervisor when a task was pushed on a worker in a certain context */
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void (*notify_pushed_task)(unsigned sched_ctx_id, int worker);
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- /* tell the hypervisor when a task was poped from a worker in a certain context */
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void (*notify_poped_task)(unsigned sched_ctx_id, int worker, struct starpu_task *task, size_t data_size, uint32_t footprint);
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- /* tell the hypervisor when a task finished executing in a certain context */
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void (*notify_post_exec_hook)(unsigned sched_ctx_id, int taskid);
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- /* tell the hypervisor when a task was submitted to a certain context */
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void (*notify_submitted_job)(struct starpu_task *task, uint32_t footprint);
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- /* tell the hypervisor when a context was deleted */
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void (*notify_delete_context)(unsigned sched_ctx);
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};
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#ifdef STARPU_USE_SC_HYPERVISOR
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-/* indicates to starpu the pointer to the performance counte */
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void starpu_sched_ctx_set_perf_counters(unsigned sched_ctx_id, struct starpu_sched_ctx_performance_counters *perf_counters);
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-/* callback that lets the scheduling policy tell the hypervisor that a task was pushed on a worker */
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void starpu_sched_ctx_call_pushed_task_cb(int workerid, unsigned sched_ctx_id);
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#endif //STARPU_USE_SC_HYPERVISOR
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-/* allow the hypervisor to let starpu know he's initialised */
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void starpu_sched_ctx_notify_hypervisor_exists(void);
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-/* ask starpu if he is informed if the hypervisor is initialised */
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unsigned starpu_sched_ctx_check_if_hypervisor_exists(void);
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-/*
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- * POLICY DATA
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-*/
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-/* allow the scheduling policy to have its own data in a context, like a private list of tasks, mutexes, conds, etc. */
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void starpu_sched_ctx_set_policy_data(unsigned sched_ctx_id, void *policy_data);
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-/* return the scheduling policy private data */
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void* starpu_sched_ctx_get_policy_data(unsigned sched_ctx_id);
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-/*
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- * WORKERS IN CONTEXT
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-*/
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-/* create a worker collection for a context, the type can be only STARPU_WORKER_LIST for now, which corresponds to a simple list */
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struct starpu_worker_collection* starpu_sched_ctx_create_worker_collection(unsigned sched_ctx_id, enum starpu_worker_collection_type type);
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-/* free the worker collection when removing the context */
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void starpu_sched_ctx_delete_worker_collection(unsigned sched_ctx_id);
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-/*return the worker collection */
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struct starpu_worker_collection* starpu_sched_ctx_get_worker_collection(unsigned sched_ctx_id);
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-/* return the number of workers in the sched_ctx's collection */
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unsigned starpu_sched_ctx_get_nworkers(unsigned sched_ctx_id);
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-/* return the number of shared workers in the sched_ctx's collection */
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unsigned starpu_sched_ctx_get_nshared_workers(unsigned sched_ctx_id, unsigned sched_ctx_id2);
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-/* return 1 if the worker belongs to the context and 0 otherwise */
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unsigned starpu_sched_ctx_contains_worker(int workerid, unsigned sched_ctx_id);
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-/* check if a worker is shared between several contexts */
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unsigned starpu_sched_ctx_overlapping_ctxs_on_worker(int workerid);
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-/* manage sharing of resources between contexts: checkOB which ctx has its turn to pop */
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unsigned starpu_sched_ctx_is_ctxs_turn(int workerid, unsigned sched_ctx_id);
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-/* manage sharing of resources between contexts: by default a round_robin strategy
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- is executed but the user can interfere to tell which ctx has its turn to pop */
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void starpu_sched_ctx_set_turn_to_other_ctx(int workerid, unsigned sched_ctx_id);
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-/* time sharing a resources, indicate how long a worker has been active in
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- the current sched_ctx */
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double starpu_sched_ctx_get_max_time_worker_on_ctx(void);
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-/*
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- * Priorities
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- */
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-
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-/* get min priority for the scheduler of the global context */
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int starpu_sched_get_min_priority(void);
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-/* get max priority for the scheduler of the global context */
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int starpu_sched_get_max_priority(void);
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-/* set min priority for the scheduler of the global context */
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int starpu_sched_set_min_priority(int min_prio);
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-/* set max priority for the scheduler of the global context */
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int starpu_sched_set_max_priority(int max_prio);
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-/* get min priority for the scheduler of the scheduling context indicated */
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int starpu_sched_ctx_get_min_priority(unsigned sched_ctx_id);
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-/* get max priority for the scheduler of the scheduling context indicated */
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int starpu_sched_ctx_get_max_priority(unsigned sched_ctx_id);
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-/* set min priority for the scheduler of the scheduling context indicated */
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int starpu_sched_ctx_set_min_priority(unsigned sched_ctx_id, int min_prio);
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-/* set max priority for the scheduler of the scheduling context indicated */
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int starpu_sched_ctx_set_max_priority(unsigned sched_ctx_id, int max_prio);
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-/* Provided for legacy reasons */
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#define STARPU_MIN_PRIO (starpu_sched_get_min_priority())
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#define STARPU_MAX_PRIO (starpu_sched_get_max_priority())
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-/* By convention, the default priority level should be 0 so that we can
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- * statically allocate tasks with a default priority. */
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#define STARPU_DEFAULT_PRIO 0
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/* execute any parallel code on the workers of the sched_ctx (workers are blocked) */
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Nathalie Furmento