Homec4science
Diffusion lammps (lammm-master) Browse

lammps/lib/kokkos/core/perf_test/PerfTestDriver.hpp
0541d52c17a1lammm-master

Last Change
Raw File

PerfTestDriver.hpp
View Options

/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#include <iostream>
#include <string>
// mfh 06 Jun 2013: This macro doesn't work like one might thing it
// should. It doesn't take the template parameter DeviceType and
// print its actual type name; it just literally prints out
// "DeviceType". I've worked around this below without using the
// macro, so I'm commenting out the macro to avoid compiler complaints
// about an unused macro.
// #define KOKKOS_MACRO_IMPL_TO_STRING( X ) #X
// #define KOKKOS_MACRO_TO_STRING( X ) KOKKOS_MACRO_IMPL_TO_STRING( X )
//------------------------------------------------------------------------
namespace Test {
enum { NUMBER_OF_TRIALS = 5 };
template< class DeviceType >
void run_test_hexgrad( int exp_beg , int exp_end, const char deviceTypeName[] )
{
std::string label_hexgrad ;
label_hexgrad.append( "\"HexGrad< double , " );
// mfh 06 Jun 2013: This only appends "DeviceType" (literally) to
// the string, not the actual name of the device type. Thus, I've
// modified the function to take the name of the device type.
//
//label_hexgrad.append( KOKKOS_MACRO_TO_STRING( DeviceType ) );
label_hexgrad.append( deviceTypeName );
label_hexgrad.append( " >\"" );
for (int i = exp_beg ; i < exp_end ; ++i) {
double min_seconds = 0.0 ;
double max_seconds = 0.0 ;
double avg_seconds = 0.0 ;
const int parallel_work_length = 1<<i;
for ( int j = 0 ; j < NUMBER_OF_TRIALS ; ++j ) {
const double seconds = HexGrad< DeviceType >::test(parallel_work_length) ;
if ( 0 == j ) {
min_seconds = seconds ;
max_seconds = seconds ;
}
else {
if ( seconds < min_seconds ) min_seconds = seconds ;
if ( seconds > max_seconds ) max_seconds = seconds ;
}
avg_seconds += seconds ;
}
avg_seconds /= NUMBER_OF_TRIALS ;
std::cout << label_hexgrad
<< " , " << parallel_work_length
<< " , " << min_seconds
<< " , " << ( min_seconds / parallel_work_length )
<< std::endl ;
}
}
template< class DeviceType >
void run_test_gramschmidt( int exp_beg , int exp_end, const char deviceTypeName[] )
{
std::string label_gramschmidt ;
label_gramschmidt.append( "\"GramSchmidt< double , " );
// mfh 06 Jun 2013: This only appends "DeviceType" (literally) to
// the string, not the actual name of the device type. Thus, I've
// modified the function to take the name of the device type.
//
//label_gramschmidt.append( KOKKOS_MACRO_TO_STRING( DeviceType ) );
label_gramschmidt.append( deviceTypeName );
label_gramschmidt.append( " >\"" );
for (int i = exp_beg ; i < exp_end ; ++i) {
double min_seconds = 0.0 ;
double max_seconds = 0.0 ;
double avg_seconds = 0.0 ;
const int parallel_work_length = 1<<i;
for ( int j = 0 ; j < NUMBER_OF_TRIALS ; ++j ) {
const double seconds = ModifiedGramSchmidt< double , DeviceType >::test(parallel_work_length, 32 ) ;
if ( 0 == j ) {
min_seconds = seconds ;
max_seconds = seconds ;
}
else {
if ( seconds < min_seconds ) min_seconds = seconds ;
if ( seconds > max_seconds ) max_seconds = seconds ;
}
avg_seconds += seconds ;
}
avg_seconds /= NUMBER_OF_TRIALS ;
std::cout << label_gramschmidt
<< " , " << parallel_work_length
<< " , " << min_seconds
<< " , " << ( min_seconds / parallel_work_length )
<< std::endl ;
}
}
}
c4science · Help