threadSyncSimpleSkip.h

// Copyright 2009-2021 NTESS. Under the terms
// of Contract DE-NA0003525 with NTESS, the U.S.
// Government retains certain rights in this software.
//
// Copyright (c) 2009-2021, NTESS
// All rights reserved.
//
// This file is part of the SST software package. For license
// information, see the LICENSE file in the top level directory of the
// distribution.

#ifndef SST_CORE_SYNC_THREADSYNCSIMPLESKIP_H
#define SST_CORE_SYNC_THREADSYNCSIMPLESKIP_H

#include "sst/core/action.h"
#include "sst/core/sst_types.h"
#include "sst/core/sync/syncManager.h"
#include "sst/core/sync/threadSyncQueue.h"

#include <unordered_map>

namespace SST {

class ActivityQueue;
class Link;
class TimeConverter;
class Exit;
class Event;
class Simulation_impl;
class ThreadSyncQueue;

class ThreadSyncSimpleSkip : public ThreadSync
{
public:
    /** Create a new ThreadSync object */
    ThreadSyncSimpleSkip(int num_threads, int thread, Simulation_impl* sim);
    ~ThreadSyncSimpleSkip();

    void setMaxPeriod(TimeConverter* period);

    void before() override;
    void after() override;
    void execute(void) override;

    /** Cause an exchange of Untimed Data to occur */
    void processLinkUntimedData() override;
    /** Finish link configuration */
    void finalizeLinkConfigurations() override;
    void prepareForComplete() override;

    /** Register a Link which this Sync Object is responsible for */
    void           registerLink(LinkId_t link_id, Link* link) override;
    ActivityQueue* getQueueForThread(int tid) override;

    uint64_t getDataSize() const;

    // static void disable() { disabled = true; barrier.disable(); }

private:
    std::vector<ThreadSyncQueue*>       queues;
    std::unordered_map<LinkId_t, Link*> link_map;
    SimTime_t                           my_max_period;
    int                                 num_threads;
    int                                 thread;
    static SimTime_t                    localMinimumNextActivityTime;
    Simulation_impl*                    sim;
    static Core::ThreadSafe::Barrier    barrier[3];
    double                              totalWaitTime;
    bool                                single_rank;
};

} // namespace SST

#endif // SST_CORE_SYNC_THREADSYNCSIMPLESKIP_H