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MPI Distrib Exp: launch experiments from a file + example file.

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This commit is contained in:
Benjamin BOUVIER 2012-10-01 23:27:41 -04:00
commit 57dcd01149
2 changed files with 73 additions and 38 deletions
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6
eo/test/mpi/experiments.json Normal file
View file

@ -0,0 +1,6 @@
{
"experiments":[
{"size":"10", "packet_size":"1", "seed":"1337", "distribution":{"name":"normal", "mean":"500", "stddev":"100"}, "worker_print_waiting_time":"1", "filename":""}
{"size":"10", "packet_size":"1", "seed":"1337", "distribution":{"name":"normal", "mean":"100", "stddev":"20"}, "worker_print_waiting_time":"1", "filename":"exp2.result.txt"}
]
}

107
eo/test/mpi/t-mpi-distrib-exp.cpp
View file

@ -292,7 +292,7 @@ class Experiment : public eoserial::Persistent
{
public:
Experiment() : _distribution(0), _fileName("")
Experiment() : _distribution(0), _worker_print_waiting_time( false ), _fileName("")
{
// empty
}
@ -312,8 +312,8 @@ class Experiment : public eoserial::Persistent
{
eoserial::Object* obj = new eoserial::Object;
obj->add( "size", eoserial::make( _size ) );
obj->add( "packet-size", eoserial::make( _packet_size ) );
obj->add( "worker-print-waiting-time", eoserial::make( _worker_print_waiting_time ) );
obj->add( "packet_size", eoserial::make( _packet_size ) );
obj->add( "worker_print_waiting_time", eoserial::make( _worker_print_waiting_time ) );
obj->add( "seed", eoserial::make( _seed ) );
if( _distribution )
{
@ -326,8 +326,8 @@ class Experiment : public eoserial::Persistent
void unpack( const eoserial::Object* obj )
{
eoserial::unpack( *obj, "size", _size );
eoserial::unpack( *obj, "packet-size", _packet_size );
eoserial::unpack( *obj, "worker-print-waiting-time", _worker_print_waiting_time );
eoserial::unpack( *obj, "packet_size", _packet_size );
eoserial::unpack( *obj, "worker_print_waiting_time", _worker_print_waiting_time );
eoserial::unpack( *obj, "seed", _seed );
eoserial::unpack( *obj, "filename", _fileName );
@ -432,7 +432,7 @@ int main( int argc, char** argv )
eoParser parser( argc, argv );
// forces the statistics to be retrieved
parser.setORcreateParam( true, "parallelize-do-measure", "Do some measures during execution" );
eo::mpi::timerStat.forceDoMeasure();
// General parameters for the experimentation
unsigned size = parser.createParam( 10U, "size", "Number of elements to distribute.", 's', "Distribution").value();
@ -441,48 +441,77 @@ int main( int argc, char** argv )
unsigned seed = parser.createParam( 0U, "seed", "Seed of random generator", '\0', "General").value();
std::string fileName = parser.createParam( std::string(""), "filename", "File name to which redirect the results (for a single experiment)", '\0', "General").value();
std::vector<Distribution*> distribs;
distribs.push_back( &uniformDistribution );
distribs.push_back( &normalDistribution );
distribs.push_back( &exponentialDistribution );
bool useExperimentFile = parser.createParam( false, "use-experiment-file", "Put to true if you want to launch experiments from a file formatted in JSON (see experiment-file).", '\0', "General").value();
std::string experimentFile = parser.createParam( std::string("experiments.json"), "experiment-file", "File name of experiments to provide, in format JSON.", '\0', "General").value();
// for each available distribution, check if activated.
// If no distribution is activated, show an error message
// If two distributions or more are activated, show an error message
// Otherwise, use the activated distribution as distrib
bool isChosenDistrib = false;
Distribution* pdistrib = 0;
for( int i = 0, s = distribs.size(); i < s; ++i )
if( !useExperimentFile )
{
distribs[i]->make_parser( parser );
if( distribs[i]->isActive() )
std::vector<Distribution*> distribs;
distribs.push_back( &uniformDistribution );
distribs.push_back( &normalDistribution );
distribs.push_back( &exponentialDistribution );
// for each available distribution, check if activated.
// If no distribution is activated, show an error message
// If two distributions or more are activated, show an error message
// Otherwise, use the activated distribution as distrib
bool isChosenDistrib = false;
Distribution* pdistrib = 0;
for( int i = 0, s = distribs.size(); i < s; ++i )
{
if( isChosenDistrib )
distribs[i]->make_parser( parser );
if( distribs[i]->isActive() )
{
throw std::runtime_error("Only one distribution can be chosen during a launch!");
} else
{
isChosenDistrib = true;
pdistrib = distribs[i];
if( isChosenDistrib )
{
throw std::runtime_error("Only one distribution can be chosen during a launch!");
} else
{
isChosenDistrib = true;
pdistrib = distribs[i];
}
}
}
make_parallel( parser );
make_help( parser );
if( !isChosenDistrib )
{
throw std::runtime_error("No distribution chosen. One distribution should be chosen.");
}
Experiment e( pdistrib, size, packet_size, worker_print_waiting_time, seed, fileName );
e.run();
}
make_parallel( parser );
make_help( parser );
if( !isChosenDistrib )
else // use experiments file
{
throw std::runtime_error("No distribution chosen. One distribution should be chosen.");
// read content of file
std::ifstream file( experimentFile.c_str() );
std::string fileContent;
while( file )
{
char temp[4096];
file.getline( temp, 4096, '\n' );
fileContent += temp;
fileContent += '\n';
}
file.close();
// transform content into array of experiments
eoserial::Object* wrapper = eoserial::Parser::parse( fileContent );
eoserial::Array& experiments = *static_cast< eoserial::Array* >( wrapper->find("experiments")->second );
for( unsigned i = 0, s = experiments.size(); i < s; ++i )
{
std::cout << "Launching experiment " << (i+1) << "..." << std::endl;
eoserial::Object* expObj = static_cast< eoserial::Object* >( experiments[i] );
Experiment exp;
exp.unpack( expObj );
exp.run();
}
delete wrapper;
}
Experiment e( pdistrib, size, packet_size, worker_print_waiting_time, seed, fileName );
eoserial::Object* obj = e.pack();
obj->print( std::cout );
delete obj;
std::cout << '\n' << std::endl;
e.run();
return 0;
}