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/********************* */
/*! \file command_executor_portfolio.h
** \verbatim
** Top contributors (to current version):
** Kshitij Bansal, Morgan Deters, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief An additional layer between commands and invoking them.
**
** The portfolio executer branches check-sat queries to several
** threads.
**/
#ifndef __CVC4__MAIN__COMMAND_EXECUTOR_PORTFOLIO_H
#define __CVC4__MAIN__COMMAND_EXECUTOR_PORTFOLIO_H
#include "main/command_executor.h"
#include "main/portfolio_util.h"
#include <iosfwd>
#include <sstream>
#include <string>
#include <vector>
namespace CVC4 {
class CommandSequence;
namespace api {
class Solver;
}
namespace main {
class CommandExecutorPortfolio : public CommandExecutor {
// Solvers are created/deleted during initialization
std::vector<api::Solver*> d_solvers;
std::vector<ExprManager*> d_exprMgrs;
const unsigned d_numThreads; // Currently const, but designed so it is
// not too hard to support this changing
std::vector<SmtEngine*> d_smts;
CommandSequence* d_seq;
OptionsList& d_threadOptions;
std::vector<ExprManagerMapCollection*> d_vmaps;
int d_lastWinner;
// These shall be reset for each check-sat
std::vector< SharedChannel<ChannelFormat>* > d_channelsOut;
std::vector< SharedChannel<ChannelFormat>* > d_channelsIn;
std::vector<std::ostringstream*> d_ostringstreams;
// Stats
ReferenceStat<int> d_statLastWinner;
TimerStat d_statWaitTime;
public:
CommandExecutorPortfolio(api::Solver* solver,
Options& options,
OptionsList& tOpts);
~CommandExecutorPortfolio();
std::string getSmtEngineStatus();
void flushStatistics(std::ostream& out) const override;
protected:
bool doCommandSingleton(Command* cmd) override;
private:
CommandExecutorPortfolio();
void lemmaSharingInit();
void lemmaSharingCleanup();
};/* class CommandExecutorPortfolio */
}/* CVC4::main namespace */
}/* CVC4 namespace */
#endif /* __CVC4__MAIN__COMMAND_EXECUTOR_PORTFOLIO_H */
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