loop unrolling seeems to work now

This commit is contained in:
Christian Zimmermann 2018-02-13 16:54:13 +01:00
parent 4d8d4d31f6
commit adc25abcaf
8 changed files with 81 additions and 28 deletions

View file

@ -130,9 +130,10 @@ namespace MultiArrayTools
//MBlock<T>& get();
//const Block<T>& get() const;
inline void set(size_t pos, T val) { mDataPtr[pos] = val };
inline T get(size_t pos);
inline const T& get(size_t pos) const;
inline void set(size_t pos, T val) { mDataPtr[pos] = val; }
inline void add(size_t pos, T val) { mDataPtr[pos] += val; }
inline T get(size_t pos) const;
//inline const T& get(size_t pos) const;
//std::vector<BTSS> block(const IndexInfo* blockIndex, bool init = false) const;
//const OperationMaster& block() const;
@ -172,7 +173,7 @@ namespace MultiArrayTools
//const Block<T>& get() const;
template <class ET>
inline const T& get(const ET& pos) const;
inline T get(ET pos) const;
//std::vector<BTSS> block(const IndexInfo* blockIndex, bool init = false) const;
//const ConstOperationRoot& block() const;
@ -219,11 +220,11 @@ namespace MultiArrayTools
//const MBlock<T>& get() const;
//MBlock<T>& get();
template <class ET>
inline const T& get(const ET& pos) const;
//template <class ET>
//inline const T& get(const ET& pos) const;
template <class ET>
inline T& get(const ET& pos);
inline T get(ET pos) const;
//OperationRoot& set(const IndexInfo* blockIndex);
//std::vector<BTSS> block(const IndexInfo* blockIndex, bool init = false) const;
@ -315,7 +316,7 @@ namespace MultiArrayTools
//const BlockResult<T>& get() const;
template <class ET>
inline T get(const ET& pos) const;
inline T get(ET pos) const;
//std::vector<BTSS> block(const IndexInfo* blockIndex, bool init = false) const;
//const Operation& block() const;
@ -355,7 +356,7 @@ namespace MultiArrayTools
//const BlockResult<T>& get() const;
template <class ET>
inline T get(const ET& pos) const;
inline T get(ET pos) const;
//std::vector<BTSS> block(const IndexInfo* blockIndex, bool init = false) const;
//const Contraction& block() const;
@ -492,7 +493,7 @@ namespace MultiArrayTools
inline void OperationMaster<T,OpClass,Ranges...>::AssignmentExpr::
operator()(size_t start, ExtType last) const
{
mM.get(start) += mSec.template get<ExtType>(last);
mM.add(start, mSec.template get<ExtType>(last) );
}
template <typename T, class OpClass, class... Ranges>
@ -585,7 +586,7 @@ namespace MultiArrayTools
}
*/
template <typename T, class OpClass, class... Ranges>
inline T& OperationMaster<T,OpClass,Ranges...>::get(size_t pos)
inline T OperationMaster<T,OpClass,Ranges...>::get(size_t pos) const
{
//assert(pos < mIndex->max());
//if(pos >= mIndex->max()) { VCHECK(pos); VCHECK(mIndex->max()); assert(0); }
@ -593,12 +594,13 @@ namespace MultiArrayTools
return mDataPtr[pos];
}
/*
template <typename T, class OpClass, class... Ranges>
inline const T& OperationMaster<T,OpClass,Ranges...>::get(size_t pos) const
{
//VCHECK(pos);
return mDataPtr[pos];
}
}*/
/*
template <typename T, class OpClass, class... Ranges>
std::vector<BTSS> OperationMaster<T,OpClass,Ranges...>::block(const IndexInfo* blockIndex, bool init) const
@ -652,7 +654,7 @@ namespace MultiArrayTools
*/
template <typename T, class... Ranges>
template <class ET>
inline const T& ConstOperationRoot<T,Ranges...>::get(const ET& pos) const
inline T ConstOperationRoot<T,Ranges...>::get(ET pos) const
{
return mDataPtr[pos.val()];
}
@ -738,17 +740,17 @@ namespace MultiArrayTools
block();
return mBlock;
}
*/
template <typename T, class... Ranges>
template <class ET>
inline const T& OperationRoot<T,Ranges...>::get(const ET& pos) const
{
return mDataPtr[pos.val()];
}
*/
template <typename T, class... Ranges>
template <class ET>
inline T& OperationRoot<T,Ranges...>::get(const ET& pos)
inline T OperationRoot<T,Ranges...>::get(ET pos) const
{
return mDataPtr[pos.val()];
}
@ -809,7 +811,7 @@ namespace MultiArrayTools
*/
template <typename T, class OpFunction, class... Ops>
template <class ET>
inline T Operation<T,OpFunction,Ops...>::get(const ET& pos) const
inline T Operation<T,OpFunction,Ops...>::get(ET pos) const
{
typedef std::tuple<Ops const&...> OpTuple;
return PackNum<sizeof...(Ops)-1>::
@ -874,7 +876,7 @@ namespace MultiArrayTools
// forward loop !!!!
template <typename T, class Op, class IndexType>
template <class ET>
inline T Contraction<T,Op,IndexType>::get(const ET& pos) const
inline T Contraction<T,Op,IndexType>::get(ET pos) const
{
return mOp.template get<ET>(pos);
}

View file

@ -158,7 +158,9 @@ namespace MultiArrayTools
friend ContainerRangeFactory<Ranges...>;
static const bool defaultable = false;
static constexpr bool defaultable = false;
static constexpr size_t ISSTATIC = SubProp<Ranges...>::ISSTATIC;
static constexpr size_t SIZE = SubProp<Ranges...>::SIZE;
};
} // end namespace MultiArrayTools

View file

@ -178,7 +178,9 @@ namespace MultiArrayTools
friend MultiRangeFactory<Ranges...>;
static const bool defaultable = false;
static constexpr bool defaultable = false;
static constexpr size_t ISSTATIC = SubProp<Ranges...>::ISSTATIC;
static constexpr size_t SIZE = SubProp<Ranges...>::SIZE;
};
}

View file

@ -45,8 +45,11 @@ namespace MultiArrayTools
friend SingleRangeFactory<size_t,SpaceType::SPIN>;
static const bool defaultable = true;
static const size_t mSpinNum = 4;
static constexpr bool defaultable = true;
static constexpr size_t mSpinNum = 4;
static constexpr size_t ISSTATIC = 1;
static constexpr size_t SIZE = mSpinNum;
static SingleRangeFactory<size_t, SpaceType::SPIN> factory()
{ return SingleRangeFactory<size_t, SpaceType::SPIN>(); }

View file

@ -24,6 +24,20 @@ namespace MultiArrayHelper
}
template <class RangeType, class... Ranges>
struct SubProp
{
static constexpr size_t ISSTATIC = RangeType::ISSTATIC & SubProp<Ranges...>::ISSTATIC;
static constexpr size_t SIZE = RangeType::SIZE * SubProp<Ranges...>::SIZE;
};
template <>
struct SubProp<void>
{
static constexpr size_t ISSTATIC = 1;
static constexpr size_t SIZE = 1;
};
template <size_t N>
struct RPackNum
{

View file

@ -109,6 +109,9 @@ namespace MultiArrayTools
friend SingleRangeFactory<U,TYPE>;
static constexpr bool defaultable = false;
static constexpr size_t ISSTATIC = 0;
static constexpr size_t SIZE = -1;
protected:

View file

@ -168,7 +168,9 @@ namespace {
std::clock_t begin = std::clock();
//res1(delta, deltap).set(vdeltap) = ma(delta, alpha, alpha, beta, beta, gamma, gamma, deltap).c(mix);
for(size_t i = 0; i != 1000; ++i){
res1(delta, deltap) = ma(delta, alpha, alpha, beta, beta, gamma, gamma, deltap).c(mix);
}
std::clock_t end = std::clock();
std::cout << "MultiArray time: " << static_cast<double>( end - begin ) / CLOCKS_PER_SEC
<< std::endl;
@ -176,6 +178,7 @@ namespace {
std::vector<double> vres(4*4);
std::clock_t begin2 = std::clock();
for(size_t i = 0; i != 1000; ++i){
for(size_t d = 0; d != 4; ++d){
for(size_t p = 0; p != 4; ++p){
const size_t tidx = d*4 + p;
@ -190,6 +193,7 @@ namespace {
}
}
}
}
std::clock_t end2 = std::clock();
assert( xround(res1.at(mkts(0,0))) == xround(vres[0]) );

View file

@ -33,6 +33,26 @@ namespace MultiArrayHelper
}
};
template <size_t ISSTATIC>
struct ForBound
{
template <size_t BOUND>
static inline size_t bound(size_t bound)
{
return bound;
}
};
template <>
struct ForBound<1>
{
template <size_t BOUND>
static constexpr size_t bound(size_t bound)
{
return BOUND;
}
};
template <class IndexClass, class Expr, ForType FT = ForType::DEFAULT>
class For
{
@ -79,7 +99,6 @@ namespace MultiArrayHelper
template <>
size_t exceptMax<1>(size_t max) { return 1; }
} // namespace MultiArrayHelper
/* ========================= *
@ -118,7 +137,9 @@ namespace MultiArrayHelper
inline void For<IndexClass,Expr,FT>::operator()(size_t mlast,
ExtType last) const
{
for(size_t pos = mSPos; pos != mMax; ++pos){
typedef typename IndexClass::RangeType RangeType;
for(size_t pos = 0u; pos != ForBound<RangeType::ISSTATIC>::template bound<RangeType::SIZE>(mMax); ++pos){
//for(size_t pos = mSPos; pos != mMax; ++pos){
const size_t mnpos = PosForward<FT>::value(mlast, mMax, pos);
const ExtType npos = last + mExt*pos;
mExpr(mnpos, npos);
@ -128,8 +149,10 @@ namespace MultiArrayHelper
template <class IndexClass, class Expr, ForType FT>
inline void For<IndexClass,Expr,FT>::operator()(size_t mlast) const
{
typedef typename IndexClass::RangeType RangeType;
const ExtType last;
for(size_t pos = mSPos; pos != mMax; ++pos){
for(size_t pos = 0u; pos != ForBound<RangeType::ISSTATIC>::template bound<RangeType::SIZE>(mMax); ++pos){
//for(size_t pos = mSPos; pos != mMax; ++pos){
const size_t mnpos = PosForward<FT>::value(mlast, mMax, pos);
const ExtType npos = last + mExt*pos;
mExpr(mnpos, npos);