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Grid/Hadrons/Module.hpp

278 lines
8.3 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Module.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_Module_hpp_
#define Hadrons_Module_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/VirtualMachine.hpp>
BEGIN_HADRONS_NAMESPACE
// module registration macros
#define MODULE_REGISTER(mod, base, ns)\
class mod: public base\
{\
public:\
typedef base Base;\
using Base::Base;\
virtual std::string getRegisteredName(void)\
{\
return std::string(#ns "::" #mod);\
}\
};\
class ns##mod##ModuleRegistrar\
{\
public:\
ns##mod##ModuleRegistrar(void)\
{\
ModuleFactory &modFac = ModuleFactory::getInstance();\
modFac.registerBuilder(#ns "::" #mod, [&](const std::string name)\
{\
return std::unique_ptr<ns::mod>(new ns::mod(name));\
});\
}\
};\
static ns##mod##ModuleRegistrar ns##mod##ModuleRegistrarInstance;
#define MODULE_REGISTER_TMP(mod, base, ns)\
extern template class base;\
MODULE_REGISTER(mod, ARG(base), ns);
#define ARG(...) __VA_ARGS__
#define MACRO_REDIRECT(arg1, arg2, arg3, macro, ...) macro
#define envGet(type, name)\
*env().template getObject<type>(name)
#define envGetDerived(base, type, name)\
*env().template getDerivedObject<base, type>(name)
#define envGetTmp(type, var)\
type &var = *env().template getObject<type>(getName() + "_tmp_" + #var)
#define envHasType(type, name)\
env().template isObjectOfType<type>(name)
#define envCreate(type, name, Ls, ...)\
env().template createObject<type>(name, Environment::Storage::object, Ls, __VA_ARGS__)
#define envCreateDerived(base, type, name, Ls, ...)\
env().template createDerivedObject<base, type>(name, Environment::Storage::object, Ls, __VA_ARGS__)
#define envCreateLat4(type, name)\
envCreate(type, name, 1, env().getGrid())
#define envCreateLat5(type, name, Ls)\
envCreate(type, name, Ls, env().getGrid(Ls))
#define envCreateLat(...)\
MACRO_REDIRECT(__VA_ARGS__, envCreateLat5, envCreateLat4)(__VA_ARGS__)
#define envCache(type, name, Ls, ...)\
env().template createObject<type>(name, Environment::Storage::cache, Ls, __VA_ARGS__)
#define envCacheLat4(type, name)\
envCache(type, name, 1, env().getGrid())
#define envCacheLat5(type, name, Ls)\
envCache(type, name, Ls, env().getGrid(Ls))
#define envCacheLat(...)\
MACRO_REDIRECT(__VA_ARGS__, envCacheLat5, envCacheLat4)(__VA_ARGS__)
#define envTmp(type, name, Ls, ...)\
env().template createObject<type>(getName() + "_tmp_" + name, \
Environment::Storage::temporary, Ls, __VA_ARGS__)
#define envTmpLat4(type, name)\
envTmp(type, name, 1, env().getGrid())
#define envTmpLat5(type, name, Ls)\
envTmp(type, name, Ls, env().getGrid(Ls))
#define envTmpLat(...)\
MACRO_REDIRECT(__VA_ARGS__, envTmpLat5, envTmpLat4)(__VA_ARGS__)
#define saveResult(ioStem, name, result)\
if (env().getGrid()->IsBoss() and !ioStem.empty())\
{\
makeFileDir(ioStem, env().getGrid());\
{\
ResultWriter _writer(RESULT_FILE_NAME(ioStem));\
write(_writer, name, result);\
}\
}
/******************************************************************************
* Module class *
******************************************************************************/
// base class
class ModuleBase
{
public:
// constructor
ModuleBase(const std::string name);
// destructor
virtual ~ModuleBase(void) = default;
// access
std::string getName(void) const;
// get factory registration name if available
virtual std::string getRegisteredName(void);
// dependencies/products
virtual std::vector<std::string> getInput(void) = 0;
virtual std::vector<std::string> getReference(void)
{
return std::vector<std::string>(0);
};
virtual std::vector<std::string> getOutput(void) = 0;
// parse parameters
virtual void parseParameters(XmlReader &reader, const std::string name) = 0;
virtual void saveParameters(XmlWriter &writer, const std::string name) = 0;
// parameter string
virtual std::string parString(void) const = 0;
// setup
virtual void setup(void) {};
virtual void execute(void) = 0;
// execution
void operator()(void);
// timers
void startTimer(const std::string &name);
GridTime getTimer(const std::string &name);
double getDTimer(const std::string &name);
void startCurrentTimer(const std::string &name);
void stopTimer(const std::string &name);
void stopCurrentTimer(void);
void stopAllTimers(void);
void resetTimers(void);
std::map<std::string, GridTime> getTimings(void);
protected:
// environment shortcut
DEFINE_ENV_ALIAS;
// virtual machine shortcut
DEFINE_VM_ALIAS;
// RNG seeded from module string
GridParallelRNG &rng4d(void);
private:
std::string makeSeedString(void);
private:
std::string name_, currentTimer_, seed_;
std::map<std::string, GridStopWatch> timer_;
};
// derived class, templating the parameter class
template <typename P>
class Module: public ModuleBase
{
public:
typedef P Par;
public:
// constructor
Module(const std::string name);
// destructor
virtual ~Module(void) = default;
// parse parameters
virtual void parseParameters(XmlReader &reader, const std::string name);
virtual void saveParameters(XmlWriter &writer, const std::string name);
// parameter string
virtual std::string parString(void) const;
// parameter access
const P & par(void) const;
void setPar(const P &par);
private:
P par_;
};
// no parameter type
class NoPar {};
template <>
class Module<NoPar>: public ModuleBase
{
public:
// constructor
Module(const std::string name): ModuleBase(name) {};
// destructor
virtual ~Module(void) = default;
// parse parameters (do nothing)
virtual void parseParameters(XmlReader &reader, const std::string name) {};
virtual void saveParameters(XmlWriter &writer, const std::string name)
{
push(writer, "options");
pop(writer);
};
// parameter string (empty)
virtual std::string parString(void) const {return "";};
};
/******************************************************************************
* Template implementation *
******************************************************************************/
template <typename P>
Module<P>::Module(const std::string name)
: ModuleBase(name)
{}
template <typename P>
void Module<P>::parseParameters(XmlReader &reader, const std::string name)
{
read(reader, name, par_);
}
template <typename P>
void Module<P>::saveParameters(XmlWriter &writer, const std::string name)
{
write(writer, name, par_);
}
template <typename P>
std::string Module<P>::parString(void) const
{
XmlWriter writer("", "");
write(writer, par_.SerialisableClassName(), par_);
return writer.string();
}
template <typename P>
const P & Module<P>::par(void) const
{
return par_;
}
template <typename P>
void Module<P>::setPar(const P &par)
{
par_ = par;
}
END_HADRONS_NAMESPACE
#endif // Hadrons_Module_hpp_