Commit 7aa09ad1 authored by Tomáš Oberhuber's avatar Tomáš Oberhuber
Browse files

Adding banchmark for CUDA lp norm.

parent 59b3959e

tests/benchmarks/tnl-cuda-benchmarks.h

+25 −0
Original line number Diff line number Diff line
@@ -144,6 +144,31 @@ int main( int argc, char* argv[] ) 
#endif    

#endif



   cout << "Benchmarking L2 norm on CPU: ";

   timer.reset();

   timer.start();

   for( int i = 0; i < loops; i++ )

     resultHost = hostVector.lpNorm( 2.0 );

   timer.stop();

   bandwidth = 2 * datasetSize / timer.getTime();

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

    

   cout << "Benchmarking L2 norm on GPU: " << endl;

   timer.reset();

   timer.start();

   for( int i = 0; i < loops; i++ )

      resultDevice = deviceVector.lpNorm( 2.0 );

   cout << "Time: " << timer.getTime() << endl;

   timer.stop();

   bandwidth = 2 * datasetSize / timer.getTime();

   cout << "Time: " << timer.getTime() << " bandwidth: " << bandwidth << " GB/sec." << endl;

   if( resultHost != resultDevice )

   {

      cerr << "Error. " << resultHost << " != " << resultDevice << endl;

      //return EXIT_FAILURE;

   }



   

   cout << "Benchmarking prefix-sum on CPU ..." << endl;

   timer.reset();

   timer.start();