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rLAMMPS lammps
TestAtomicOperations.hpp
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/*
//@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 <Kokkos_Core.hpp>
namespace TestAtomicOperations {
//-----------------------------------------------
//--------------zero_functor---------------------
//-----------------------------------------------
template<class T,class DEVICE_TYPE>
struct ZeroFunctor {
typedef DEVICE_TYPE execution_space;
typedef typename Kokkos::View<T,execution_space> type;
typedef typename Kokkos::View<T,execution_space>::HostMirror h_type;
type data;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
data() = 0;
}
};
//-----------------------------------------------
//--------------init_functor---------------------
//-----------------------------------------------
template<class T,class DEVICE_TYPE>
struct InitFunctor {
typedef DEVICE_TYPE execution_space;
typedef typename Kokkos::View<T,execution_space> type;
typedef typename Kokkos::View<T,execution_space>::HostMirror h_type;
type data;
T init_value ;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
data() = init_value;
}
InitFunctor(T _init_value) : init_value(_init_value) {}
};
//---------------------------------------------------
//--------------atomic_fetch_max---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct MaxFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
//Kokkos::atomic_fetch_max(&data(),(T)1);
Kokkos::atomic_fetch_max(&data(),(T)i1);
}
MaxFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T MaxAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct MaxFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T MaxAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = (i0 > i1 ? i0 : i1) ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool MaxAtomicTest(T i0, T i1)
{
T res = MaxAtomic<T,DeviceType>(i0,i1);
T resSerial = MaxAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = MaxAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_min---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct MinFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_min(&data(),(T)i1);
}
MinFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T MinAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct MinFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T MinAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = (i0 < i1 ? i0 : i1) ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool MinAtomicTest(T i0, T i1)
{
T res = MinAtomic<T,DeviceType>(i0,i1);
T resSerial = MinAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = MinAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_mul---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct MulFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_mul(&data(),(T)i1);
}
MulFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T MulAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct MulFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T MulAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0*i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool MulAtomicTest(T i0, T i1)
{
T res = MulAtomic<T,DeviceType>(i0,i1);
T resSerial = MulAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = MulAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_div---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct DivFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_div(&data(),(T)i1);
}
DivFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T DivAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct DivFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T DivAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0/i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool DivAtomicTest(T i0, T i1)
{
T res = DivAtomic<T,DeviceType>(i0,i1);
T resSerial = DivAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = DivAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_mod---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct ModFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_mod(&data(),(T)i1);
}
ModFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T ModAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct ModFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T ModAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0%i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool ModAtomicTest(T i0, T i1)
{
T res = ModAtomic<T,DeviceType>(i0,i1);
T resSerial = ModAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = ModAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_and---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct AndFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_and(&data(),(T)i1);
}
AndFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T AndAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct AndFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T AndAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0&i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool AndAtomicTest(T i0, T i1)
{
T res = AndAtomic<T,DeviceType>(i0,i1);
T resSerial = AndAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = AndAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_or----------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct OrFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_or(&data(),(T)i1);
}
OrFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T OrAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct OrFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T OrAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0|i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool OrAtomicTest(T i0, T i1)
{
T res = OrAtomic<T,DeviceType>(i0,i1);
T resSerial = OrAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = OrAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_xor---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct XorFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_xor(&data(),(T)i1);
}
XorFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T XorAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct XorFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T XorAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0^i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool XorAtomicTest(T i0, T i1)
{
T res = XorAtomic<T,DeviceType>(i0,i1);
T resSerial = XorAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = XorAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_lshift---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct LShiftFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_lshift(&data(),(T)i1);
}
LShiftFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T LShiftAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct LShiftFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T LShiftAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0<<i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool LShiftAtomicTest(T i0, T i1)
{
T res = LShiftAtomic<T,DeviceType>(i0,i1);
T resSerial = LShiftAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = LShiftAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_fetch_rshift---------------------
//---------------------------------------------------
template<class T,class DEVICE_TYPE>
struct RShiftFunctor{
typedef DEVICE_TYPE execution_space;
typedef Kokkos::View<T,execution_space> type;
type data;
T i0;
T i1;
KOKKOS_INLINE_FUNCTION
void operator()(int) const {
Kokkos::atomic_fetch_rshift(&data(),(T)i1);
}
RShiftFunctor( T _i0 , T _i1 ) : i0(_i0) , i1(_i1) {}
};
template<class T, class execution_space >
T RShiftAtomic(T i0 , T i1) {
struct InitFunctor<T,execution_space> f_init(i0);
typename InitFunctor<T,execution_space>::type data("Data");
typename InitFunctor<T,execution_space>::h_type h_data("HData");
f_init.data = data;
Kokkos::parallel_for(1,f_init);
execution_space::fence();
struct RShiftFunctor<T,execution_space> f(i0,i1);
f.data = data;
Kokkos::parallel_for(1,f);
execution_space::fence();
Kokkos::deep_copy(h_data,data);
T val = h_data();
return val;
}
template<class T>
T RShiftAtomicCheck(T i0 , T i1) {
T* data = new T[1];
data[0] = 0;
*data = i0>>i1 ;
T val = *data;
delete [] data;
return val;
}
template<class T,class DeviceType>
bool RShiftAtomicTest(T i0, T i1)
{
T res = RShiftAtomic<T,DeviceType>(i0,i1);
T resSerial = RShiftAtomicCheck<T>(i0,i1);
bool passed = true;
if ( resSerial != res ) {
passed = false;
std::cout << "Loop<"
<< typeid(T).name()
<< ">( test = RShiftAtomicTest"
<< " FAILED : "
<< resSerial << " != " << res
<< std::endl ;
}
return passed ;
}
//---------------------------------------------------
//--------------atomic_test_control------------------
//---------------------------------------------------
template<class T,class DeviceType>
bool AtomicOperationsTestIntegralType( int i0 , int i1 , int test )
{
switch (test) {
case 1: return MaxAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 2: return MinAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 3: return MulAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 4: return DivAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 5: return ModAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 6: return AndAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 7: return OrAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 8: return XorAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 9: return LShiftAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 10: return RShiftAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
}
return 0;
}
template<class T,class DeviceType>
bool AtomicOperationsTestNonIntegralType( int i0 , int i1 , int test )
{
switch (test) {
case 1: return MaxAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 2: return MinAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 3: return MulAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
case 4: return DivAtomicTest<T,DeviceType>( (T)i0 , (T)i1 );
}
return 0;
}
} // namespace
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