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Grid/extras/Hadrons/Environment.cc

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/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: programs/Hadrons/Environment.cc
Copyright (C) 2015
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.
*******************************************************************************/
#include <Grid/Hadrons/Environment.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
using namespace Grid;
using namespace QCD;
using namespace Hadrons;
/******************************************************************************
* Environment implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
Environment::Environment(void)
{
grid4d_.reset(SpaceTimeGrid::makeFourDimGrid(
GridDefaultLatt(), GridDefaultSimd(Nd, vComplex::Nsimd()),
GridDefaultMpi()));
gridRb4d_.reset(SpaceTimeGrid::makeFourDimRedBlackGrid(grid4d_.get()));
auto loc = getGrid()->LocalDimensions();
locVol_ = 1;
for (unsigned int d = 0; d < loc.size(); ++d)
{
locVol_ *= loc[d];
}
rng4d_.reset(new GridParallelRNG(grid4d_.get()));
}
// dry run /////////////////////////////////////////////////////////////////////
void Environment::dryRun(const bool isDry)
{
dryRun_ = isDry;
}
bool Environment::isDryRun(void) const
{
return dryRun_;
}
// trajectory number ///////////////////////////////////////////////////////////
void Environment::setTrajectory(const unsigned int traj)
{
traj_ = traj;
}
unsigned int Environment::getTrajectory(void) const
{
return traj_;
}
// grids ///////////////////////////////////////////////////////////////////////
void Environment::createGrid(const unsigned int Ls)
{
if (grid5d_.find(Ls) == grid5d_.end())
{
auto g = getGrid();
grid5d_[Ls].reset(SpaceTimeGrid::makeFiveDimGrid(Ls, g));
gridRb5d_[Ls].reset(SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls, g));
}
}
GridCartesian * Environment::getGrid(const unsigned int Ls) const
{
try
{
if (Ls == 1)
{
return grid4d_.get();
}
else
{
return grid5d_.at(Ls).get();
}
}
catch(std::out_of_range &)
{
HADRON_ERROR("no grid with Ls= " << Ls);
}
}
GridRedBlackCartesian * Environment::getRbGrid(const unsigned int Ls) const
{
try
{
if (Ls == 1)
{
return gridRb4d_.get();
}
else
{
return gridRb5d_.at(Ls).get();
}
}
catch(std::out_of_range &)
{
HADRON_ERROR("no red-black 5D grid with Ls= " << Ls);
}
}
// random number generator /////////////////////////////////////////////////////
void Environment::setSeed(const std::vector<int> &seed)
{
rng4d_->SeedFixedIntegers(seed);
}
GridParallelRNG * Environment::get4dRng(void) const
{
return rng4d_.get();
}
// module management ///////////////////////////////////////////////////////////
void Environment::pushModule(Environment::ModPt &pt)
{
std::string name = pt->getName();
if (!hasModule(name))
{
std::vector<unsigned int> inputAddress;
ModuleInfo m;
m.data = std::move(pt);
m.type = typeIdPt(*m.data.get());
m.name = name;
auto input = m.data->getInput();
for (auto &in: input)
{
if (!hasObject(in))
{
addObject(in , -1);
}
m.input.push_back(objectAddress_[in]);
}
auto output = m.data->getOutput();
module_.push_back(std::move(m));
moduleAddress_[name] = module_.size() - 1;
for (auto &out: output)
{
if (!hasObject(out))
{
addObject(out , module_.size() - 1);
}
else
{
if (object_[objectAddress_[out]].module < 0)
{
object_[objectAddress_[out]].module = module_.size() - 1;
}
else
{
HADRON_ERROR("object '" + out
+ "' is already produced by module '"
+ module_[object_[getObjectAddress(out)].module].name
+ "' (while pushing module '" + name + "')");
}
}
}
}
else
{
HADRON_ERROR("module '" + name + "' already exists");
}
}
void Environment::createModule(const std::string name, const std::string type,
XmlReader &reader)
{
auto &factory = ModuleFactory::getInstance();
auto pt = factory.create(type, name);
pt->parseParameters(reader, "options");
pushModule(pt);
}
ModuleBase * Environment::getModule(const unsigned int address) const
{
if (hasModule(address))
{
return module_[address].data.get();
}
else
{
HADRON_ERROR("no module with address " + std::to_string(address));
}
}
ModuleBase * Environment::getModule(const std::string name) const
{
return getModule(getModuleAddress(name));
}
unsigned int Environment::getModuleAddress(const std::string name) const
{
if (hasModule(name))
{
return moduleAddress_.at(name);
}
else
{
HADRON_ERROR("no module with name '" + name + "'");
}
}
std::string Environment::getModuleName(const unsigned int address) const
{
if (hasModule(address))
{
return module_[address].name;
}
else
{
HADRON_ERROR("no module with address " + std::to_string(address));
}
}
std::string Environment::getModuleType(const unsigned int address) const
{
if (hasModule(address))
{
return module_[address].type->name();
}
else
{
HADRON_ERROR("no module with address " + std::to_string(address));
}
}
std::string Environment::getModuleType(const std::string name) const
{
return getModuleType(getModuleAddress(name));
}
bool Environment::hasModule(const unsigned int address) const
{
return (address < module_.size());
}
bool Environment::hasModule(const std::string name) const
{
return (moduleAddress_.find(name) != moduleAddress_.end());
}
Graph<unsigned int> Environment::makeModuleGraph(void) const
{
Graph<unsigned int> moduleGraph;
for (unsigned int i = 0; i < module_.size(); ++i)
{
moduleGraph.addVertex(i);
for (auto &j: module_[i].input)
{
moduleGraph.addEdge(object_[j].module, i);
}
}
return moduleGraph;
}
#define BIG_SEP "==============="
#define SEP "---------------"
#define MEM_MSG(size)\
sizeString((size)*locVol_) << " (" << sizeString(size) << "/site)"
unsigned int Environment::executeProgram(const std::vector<unsigned int> &p)
{
unsigned int memPeak = 0, sizeBefore, sizeAfter;
std::vector<std::set<unsigned int>> freeProg;
bool continueCollect, nothingFreed;
// build garbage collection schedule
freeProg.resize(p.size());
for (unsigned int i = 0; i < object_.size(); ++i)
{
auto pred = [i, this](const unsigned int j)
{
auto &in = module_[j].input;
auto it = std::find(in.begin(), in.end(), i);
return (it != in.end()) or (j == object_[i].module);
};
auto it = std::find_if(p.rbegin(), p.rend(), pred);
if (it != p.rend())
{
freeProg[p.rend() - it - 1].insert(i);
}
}
// program execution
for (unsigned int i = 0; i < p.size(); ++i)
{
// execute module
if (!isDryRun())
{
LOG(Message) << SEP << " Measurement step " << i+1 << "/"
<< p.size() << " (module '" << module_[p[i]].name
<< "') " << SEP << std::endl;
}
(*module_[p[i]].data)();
sizeBefore = getTotalSize();
// print used memory after execution
if (!isDryRun())
{
LOG(Message) << "Allocated objects: " << MEM_MSG(sizeBefore)
<< std::endl;
}
if (sizeBefore > memPeak)
{
memPeak = sizeBefore;
}
// garbage collection for step i
if (!isDryRun())
{
LOG(Message) << "Garbage collection..." << std::endl;
}
nothingFreed = true;
do
{
continueCollect = false;
auto toFree = freeProg[i];
for (auto &j: toFree)
{
// continue garbage collection while there are still
// objects without owners
continueCollect = continueCollect or !hasOwners(j);
if(freeObject(j))
{
// if an object has been freed, remove it from
// the garbage collection schedule
freeProg[i].erase(j);
nothingFreed = false;
}
}
} while (continueCollect);
// any remaining objects in step i garbage collection schedule
// is scheduled for step i + 1
if (i + 1 < p.size())
{
for (auto &j: freeProg[i])
{
freeProg[i + 1].insert(j);
}
}
// print used memory after garbage collection if necessary
if (!isDryRun())
{
sizeAfter = getTotalSize();
if (sizeBefore != sizeAfter)
{
LOG(Message) << "Allocated objects: " << MEM_MSG(sizeAfter)
<< std::endl;
}
else
{
LOG(Message) << "Nothing to free" << std::endl;
}
}
}
return memPeak;
}
unsigned int Environment::executeProgram(const std::vector<std::string> &p)
{
std::vector<unsigned int> pAddress;
for (auto &n: p)
{
pAddress.push_back(getModuleAddress(n));
}
return executeProgram(pAddress);
}
// general memory management ///////////////////////////////////////////////////
void Environment::addObject(const std::string name, const int moduleAddress)
{
ObjInfo info;
info.name = name;
info.module = moduleAddress;
object_.push_back(std::move(info));
objectAddress_[name] = object_.size() - 1;
}
void Environment::registerObject(const unsigned int address,
const unsigned int size, const unsigned int Ls)
{
if (!hasRegisteredObject(address))
{
if (hasObject(address))
{
object_[address].size = size;
object_[address].Ls = Ls;
object_[address].isRegistered = true;
}
else
{
HADRON_ERROR("no object with address " + std::to_string(address));
}
}
else
{
HADRON_ERROR("object with address " + std::to_string(address)
+ " already registered");
}
}
void Environment::registerObject(const std::string name,
const unsigned int size, const unsigned int Ls)
{
registerObject(getObjectAddress(name), size, Ls);
}
unsigned int Environment::getObjectAddress(const std::string name) const
{
if (hasObject(name))
{
return objectAddress_.at(name);
}
else
{
HADRON_ERROR("no object with name '" + name + "'");
}
}
std::string Environment::getObjectName(const unsigned int address) const
{
if (hasObject(address))
{
return object_[address].name;
}
else
{
HADRON_ERROR("no object with address " + std::to_string(address));
}
}
std::string Environment::getObjectType(const unsigned int address) const
{
if (hasRegisteredObject(address))
{
return object_[address].type->name();
}
else if (hasObject(address))
{
HADRON_ERROR("object with address " + std::to_string(address)
+ " exists but is not registered");
}
else
{
HADRON_ERROR("no object with address " + std::to_string(address));
}
}
std::string Environment::getObjectType(const std::string name) const
{
return getObjectType(getObjectAddress(name));
}
unsigned int Environment::getObjectSize(const unsigned int address) const
{
if (hasRegisteredObject(address))
{
return object_[address].size;
}
else if (hasObject(address))
{
HADRON_ERROR("object with address " + std::to_string(address)
+ " exists but is not registered");
}
else
{
HADRON_ERROR("no object with address " + std::to_string(address));
}
}
unsigned int Environment::getObjectSize(const std::string name) const
{
return getObjectSize(getObjectAddress(name));
}
unsigned int Environment::getObjectLs(const unsigned int address) const
{
if (hasRegisteredObject(address))
{
return object_[address].Ls;
}
else if (hasObject(address))
{
HADRON_ERROR("object with address " + std::to_string(address)
+ " exists but is not registered");
}
else
{
HADRON_ERROR("no object with address " + std::to_string(address));
}
}
unsigned int Environment::getObjectLs(const std::string name) const
{
return getObjectLs(getObjectAddress(name));
}
bool Environment::hasObject(const unsigned int address) const
{
return (address < object_.size());
}
bool Environment::hasObject(const std::string name) const
{
auto it = objectAddress_.find(name);
return ((it != objectAddress_.end()) and hasObject(it->second));
}
bool Environment::hasRegisteredObject(const unsigned int address) const
{
if (hasObject(address))
{
return object_[address].isRegistered;
}
else
{
return false;
}
}
bool Environment::hasRegisteredObject(const std::string name) const
{
if (hasObject(name))
{
return hasRegisteredObject(getObjectAddress(name));
}
else
{
return false;
}
}
bool Environment::isObject5d(const unsigned int address) const
{
return (getObjectLs(address) > 1);
}
bool Environment::isObject5d(const std::string name) const
{
return (getObjectLs(name) > 1);
}
long unsigned int Environment::getTotalSize(void) const
{
long unsigned int size = 0;
for (auto &o: object_)
{
if (o.isRegistered)
{
size += o.size;
}
}
return size;
}
void Environment::addOwnership(const unsigned int owner,
const unsigned int property)
{
if (hasObject(property))
{
object_[property].owners.insert(owner);
}
else
{
HADRON_ERROR("no object with address " + std::to_string(property));
}
if (hasObject(owner))
{
object_[owner].properties.insert(property);
}
else
{
HADRON_ERROR("no object with address " + std::to_string(owner));
}
}
void Environment::addOwnership(const std::string owner,
const std::string property)
{
addOwnership(getObjectAddress(owner), getObjectAddress(property));
}
bool Environment::hasOwners(const unsigned int address) const
{
if (hasObject(address))
{
return (!object_[address].owners.empty());
}
else
{
HADRON_ERROR("no object with address " + std::to_string(address));
}
}
bool Environment::hasOwners(const std::string name) const
{
return hasOwners(getObjectAddress(name));
}
bool Environment::freeObject(const unsigned int address)
{
if (!hasOwners(address))
{
if (!isDryRun())
{
LOG(Message) << "Destroying object '" << object_[address].name
<< "'" << std::endl;
}
for (auto &p: object_[address].properties)
{
object_[p].owners.erase(address);
}
object_[address].size = 0;
object_[address].Ls = 0;
object_[address].isRegistered = false;
object_[address].type = nullptr;
object_[address].owners.clear();
object_[address].properties.clear();
object_[address].data.reset(nullptr);
return true;
}
else
{
return false;
}
}
bool Environment::freeObject(const std::string name)
{
return freeObject(getObjectAddress(name));
}
void Environment::freeAll(void)
{
for (unsigned int i = 0; i < object_.size(); ++i)
{
freeObject(i);
}
}
void Environment::printContent(void)
{
LOG(Message) << "Modules: " << std::endl;
for (unsigned int i = 0; i < module_.size(); ++i)
{
LOG(Message) << std::setw(4) << i << ": "
<< getModuleName(i) << " ("
<< getModuleType(i) << ")" << std::endl;
}
LOG(Message) << "Objects: " << std::endl;
for (unsigned int i = 0; i < object_.size(); ++i)
{
LOG(Message) << std::setw(4) << i << ": "
<< getObjectName(i) << std::endl;
}
}
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