Commit 7a5840de authored by Jakub Klinkovský's avatar Jakub Klinkovský
Browse files

Benchmarks: added benchmarks for array copy and compare using memcpy and memcmp

parent dacc1711

src/Benchmarks/BLAS/array-operations.h

+32 −0
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ 


#pragma once



#include <cstring>



#include "../Benchmarks.h"



#include <TNL/Containers/Array.h>
@@ -66,6 +68,36 @@ benchmarkArrayOperations( Benchmark & benchmark, 
   reset12();





   if( std::is_fundamental< Real >::value ) {

      // std::memcmp

      auto compareHost = [&]() {

         if( std::memcmp( hostArray.getData(), hostArray2.getData(), hostArray.getSize() * sizeof(Real) ) == 0 )

            resultHost = true;

         else

            resultHost = false;

      };

      benchmark.setOperation( "comparison (memcmp)", 2 * datasetSize );

      benchmark.time< Devices::Host >( reset12, "CPU", compareHost );



      // std::memcpy and cudaMemcpy

      auto copyHost = [&]() {

         std::memcpy( hostArray.getData(), hostArray2.getData(), hostArray.getSize() * sizeof(Real) );

      };

      benchmark.setOperation( "copy (memcpy)", 2 * datasetSize );

      benchmark.time< Devices::Host >( reset12, "CPU", copyHost );

#ifdef HAVE_CUDA

      auto copyCuda = [&]() {

         cudaMemcpy( deviceArray.getData(),

                     deviceArray2.getData(),

                     deviceArray.getSize() * sizeof(Real),

                     cudaMemcpyDeviceToDevice );

         TNL_CHECK_CUDA_DEVICE;

      };

      benchmark.time< Devices::Cuda >( reset12, "GPU", copyCuda );

#endif

   }





   auto compareHost = [&]() {

      resultHost = (int) ( hostArray == hostArray2 );

   };

src/Benchmarks/BLAS/tnl-benchmark-blas.h

+1 −1
Original line number Diff line number Diff line
@@ -182,7 +182,7 @@ main( int argc, char* argv[] ) 
      runBlasBenchmarks< double >( benchmark, metadata, minSize, maxSize, sizeStepFactor, elementsPerRow );



   if( ! benchmark.save( logFile ) ) {

      std::cerr << "Failed to write the benchmark results to file '" << parameters.getParameter< String >( "log-file" ) << "'." << std::endl;

      std::cerr << "Failed to write the benchmark results to file '" << logFileName << "'." << std::endl;

      return EXIT_FAILURE;

   }