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63ec244784
* Receive notifications about sealed objects from Plasma, and schedule tasks only when the dependencies are available locally. * Fix formatting. * Use version of Plasma with fix. * Fix. * Factor out the scheduling algorithm and use worker_index instead of the client socket to identify workers * Fixes * clang-format * fix remaining linter errors
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
#ifndef PHOTON_ALGORITHM_H
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#define PHOTON_ALGORITHM_H
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#include "photon.h"
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#include "common/task.h"
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/* ==== The scheduling algorithm ====
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*
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* This file contains declaration for all functions and data structures
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* that need to be provided if you want to implement a new algorithms
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* for the local scheduler.
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*
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*/
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/** Internal state of the scheduling algorithm. */
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typedef struct scheduler_state scheduler_state;
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/**
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* Initialize the scheduler state.
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*
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* @return Internal state of the scheduling algorithm.
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*/
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scheduler_state *make_scheduler_state(void);
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/**
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* Free the scheduler state.
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*
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* @param state Internal state of the scheduling algorithm.
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* @return Void.
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*/
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void free_scheduler_state(scheduler_state *state);
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/**
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* This function will be called when a new task is submitted by a worker for
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* execution.
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*
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* @param info Info about resources exposed by photon to the scheduling
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* algorithm.
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* @param state State of the scheduling algorithm.
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* @param task Task that is submitted by the worker.
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* @return Void.
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*/
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void handle_task_submitted(scheduler_info *info,
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scheduler_state *state,
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task_spec *task);
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/**
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* This function will be called when a task is assigned by the global scheduler
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* for execution on this local scheduler.
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*
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* @param info Info about resources exposed by photon to the scheduling
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* algorithm.
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* @param state State of the scheduling algorithm.
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* @param task Task that is assigned by the global scheduler.
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* @return Void.
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*/
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void handle_task_assigned(scheduler_info *info,
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scheduler_state *state,
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task_spec *task);
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/**
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* This function is called if a new object becomes available in the local
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* plasma store.
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*
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* @param info Info about resources exposed by photon to the scheduling
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* algorithm.
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* @param state State of the scheduling algorithm.
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* @param object_id ID of the object that became available.
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* @return Void.
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*/
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void handle_object_available(scheduler_info *info,
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scheduler_state *state,
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object_id object_id);
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/**
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* This function is called when a new worker becomes available
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*
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* @param info Info about resources exposed by photon to the scheduling
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* algorithm.
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* @param state State of the scheduling algorithm.
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* @param worker_index The index of the worker that becomes available.
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* @return Void.
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*/
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void handle_worker_available(scheduler_info *info,
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scheduler_state *state,
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int worker_index);
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#endif /* PHOTON_ALGORITHM_H */
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