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load viprcomp into batches #13

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load viprcomp into batches #13

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140 changes: 85 additions & 55 deletions code/viprcomp.cpp
View file
Original file line number Diff line number Diff line change
@@ -1044,74 +1044,104 @@ bool processDER(SoPlex workinglp)
gettimeofday( &start, 0 );


// pipeline to complete the derivations
tbb::parallel_pipeline(nthreads,
// sequential filter to manage the circular buffer and to ensure output is in correct order
tbb::make_filter<void, parallelData>( tbb::filter_mode::serial_in_order,
[&]( tbb::flow_control& fc) {
parallelData returnData;
while(lineindex != toCompleteLines.size())
{
if( usesoplex )
returnData.bufData = circQueue.dequeue();
returnData.conidx.push_back(toCompleteLines[lineindex]);
lineindex++;
return returnData;
}
fc.stop();
return returnData;
}
) &
// parallel processing and completion of derivations -> passes completed line to last filter
tbb::make_filter<parallelData, parallelData>( tbb::filter_mode::parallel,
[&]( parallelData returnData ) {
returnData.line = completelin(returnData.bufData->passLp, returnData.bufData->LProwCertificateMap, constraints[returnData.conidx[0]]);
return returnData;
}
) &
// manages the queueing of the circular buffer and pushes the completed lines to a vector in the correct order
tbb::make_filter<parallelData, void>( tbb::filter_mode::serial_in_order,
[&]( parallelData returnData ) {
double writingtime = 0;
double processingtime = 0;

completedlines.push_back(returnData.line);
if( usesoplex )
circQueue.enqueue(returnData.bufData);
}
)
int c = 0;
size_t maxsize = 1500;
size_t current = 0;
while(true)
{
gettimeofday(&start, 0 );
size_t newcurrent = min(maxsize + current, toCompleteLines.size());
// pipeline to complete the derivations
tbb::parallel_pipeline(nthreads,
// sequential filter to manage the circular buffer and to ensure output is in correct order
tbb::make_filter<void, parallelData>(tbb::filter_mode::serial_in_order,
[ & ](tbb::flow_control &fc) {
parallelData returnData;
while( lineindex != newcurrent )
{
if( usesoplex )
returnData.bufData = circQueue.dequeue( );
returnData.conidx.push_back(
toCompleteLines[ lineindex ]);
lineindex++;
return returnData;
}
fc.stop( );
return returnData;
}
) &
// parallel processing and completion of derivations -> passes completed line to last filter
tbb::make_filter<parallelData, parallelData>(tbb::filter_mode::parallel,
[ & ](parallelData returnData) {
returnData.line = completelin(
returnData.bufData->passLp,
returnData.bufData->LProwCertificateMap,
constraints[ returnData.conidx[ 0 ]]);
return returnData;
}
) &
// manages the queueing of the circular buffer and pushes the completed lines to a vector in the correct order
tbb::make_filter<parallelData, void>(tbb::filter_mode::serial_in_order,
[ & ](parallelData returnData) {

completedlines.push_back(returnData.line);
if( usesoplex )
circQueue.enqueue(returnData.bufData);
}
)
);
gettimeofday( &end, 0 );
processingtime += getTimeSecs(start, end);

gettimeofday(&start, 0 );

size_t firstIndex, lastIndex;
completedFile << endl;
if(current == 0)
firstIndex = numberOfConstraints;
else
firstIndex = toCompleteLines[current];
if( toCompleteLines.size( ) == newcurrent )
lastIndex = constraints.size();
else
lastIndex = toCompleteLines[newcurrent];
for( size_t i = firstIndex; i < lastIndex; ++i )
{
if( toCompleteLines.empty() || c >= toCompleteLines.size( ) || i != toCompleteLines[ c ] )
{
completedFile << constraints[ i ].line << endl;
constraints[ i ].line = "";
}
else
{
completedFile << completedlines[ c ] << endl;
completedlines[c] = "";
c++;
}
}
gettimeofday( &end, 0 );
writingtime += getTimeSecs(start, end);
if( toCompleteLines.size( ) == newcurrent)
break;
current = newcurrent;
}
if( usesoplex )
{
while(!circQueue.isEmpty())
while( !circQueue.isEmpty( ))
{
passData* data = circQueue.dequeue();
passData *data = circQueue.dequeue( );
delete[] data;
}
}


gettimeofday( &end, 0 );
cout << endl << "processing completion pipeline took " << getTimeSecs(start, end)
cout << endl << "processing completion pipeline took " << processingtime
<< " seconds (Wall Clock)" << endl;

gettimeofday(&start, 0 );

// output the lines to the certificate
int c = 0;
completedFile << endl;
for( auto i = numberOfConstraints; i < constraints.size(); ++i )
{
if( toCompleteLines.size() == 0 || c >= toCompleteLines.size() || i != toCompleteLines[c] )
completedFile << constraints[i].line << endl;
else
{
completedFile << completedlines[c] << endl;
c++;
}
}

gettimeofday( &end, 0 );
cout << endl << "writing to file took " << getTimeSecs(start, end)
cout << endl << "writing to file took " << writingtime
<< " seconds (Wall Clock)" << endl << endl;

std::cout << "Completed " << toCompleteLines.size() << " out of " << numberOfDerivations << endl;