Commit b3bf74e8 authored by Tomáš Oberhuber's avatar Tomáš Oberhuber
Browse files

Working on CUDA benchmarks.

parent 0031f809

tests/benchmarks/tnl-cuda-benchmarks.cu

+31 −6
Original line number Diff line number Diff line
@@ -25,12 +25,15 @@ int main( int argc, char* argv[] ) 
    tnlTimerRT timer;

    const double oneGB = 1024.0 * 1024.0 * 1024.0;



    cout << "Benchmarking memory bandwidth when transfering int ..." << endl;

    cout << "Benchmarking memory bandwidth: ";



    const int size = 1 << 22;

    

    tnlVector< int, tnlHost > hostVector;

    tnlVector< int, tnlCuda > deviceVector;

    typedef tnlVector< double, tnlHost > HostVector;

    typedef tnlVector< double, tnlCuda > CudaVector;



    HostVector hostVector;

    CudaVector deviceVector;

    hostVector.setSize( size );

    deviceVector.setSize( size );
@@ -41,12 +44,34 @@ int main( int argc, char* argv[] ) 
    timer.start();

    deviceVector = hostVector;

    timer.stop();    

    

    double bandwidth = ( double ) ( size ) * sizeof( int ) / timer.getTime() / oneGB;



    cout << bandwidth << " GB/sec." << endl;



   

    

    HostVector hostVector2;

    CudaVector deviceVector2;

    hostVector2.setLike( hostVector );

    deviceVector2.setLike( deviceVector );

    hostVector2.setValue( 1.0 );

    deviceVector2.setValue( 1.0 );

    cout << "Benchmarking vector addition on CPU: ";

    timer.reset();

    timer.start();

    hostVector.addVector( hostVector2 );

    timer.stop();

    double hostTime = timer.getTime();























#endif

   return EXIT_SUCCESS;

}

tools/tnl-quickstart/tnl-quickstart.py

+1 −1
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ 
# To change this template file, choose Tools | Templates

# and open the template in the editor.



__author__ = "oberhuber"

__author__ = "Tomas Oberhuber"

__date__ = "$May 6, 2015 8:40:59 PM$"