Commit 232be124 authored by Jakub Klinkovský's avatar Jakub Klinkovský
Browse files

Benchmarks: added scalar multiplication with BLAS

parent 505d0b68

src/Benchmarks/BLAS/vector-operations.h

+8 −0
Original line number Diff line number Diff line
@@ -435,6 +435,11 @@ benchmarkVectorOperations( Benchmark & benchmark, 
   auto multiplyCuda = [&]() {

      deviceVector *= 0.5;

   };

#ifdef HAVE_BLAS

   auto multiplyBlas = [&]() {

      blasGscal( hostVector.getSize(), (Real) 0.5, hostVector.getData(), 1 );

   };

#endif

#ifdef HAVE_CUDA

   auto multiplyCublas = [&]() {

      const Real alpha = 0.5;
@@ -445,6 +450,9 @@ benchmarkVectorOperations( Benchmark & benchmark, 
#endif

   benchmark.setOperation( "scalar multiplication", 2 * datasetSize );

   benchmark.time< Devices::Host >( reset1, "CPU ET", multiplyHost );

#ifdef HAVE_BLAS

   benchmark.time< Devices::Host >( reset1, "CPU BLAS", multiplyBlas );

#endif

#ifdef HAVE_CUDA

   benchmark.time< Devices::Cuda >( reset1, "GPU ET", multiplyCuda );

   benchmark.time< Devices::Cuda >( reset1, "cuBLAS", multiplyCublas );