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for.h

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This commit is contained in:
Christian Zimmermann 2022-10-16 00:55:14 +02:00
parent e2baceada7
commit 3eea7f2314
6 changed files with 339 additions and 19 deletions
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198
src/include/ranges/xpr/for.cc.h Normal file
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@ -0,0 +1,198 @@
#ifndef __cxz_for_cc_h__
#define __cxz_for_cc_h__
#include <omp.h>
#include "for.h"
namespace CNORXZ
{
/***********
* For *
***********/
template <class Xpr>
constexpr For<Xpr>::For(SizeT size, PtrId iptrId, SizeT step, const Xpr& xpr) :
mSize(size),
mIptrId(iptrId),
mStep(step),
mXpr(xpr),
mExt(mXpr.rootSteps(mIptrId))
{}
template <class Xpr>
template <class PosT1, class PosT2>
inline SizeT For<Xpr>::operator()(const PosT1& mlast, const PosT2& last) const
{
for(SizeT i = 0; i != mSize; ++i){
const auto mpos = mlast + mStep * UPos(i);
const auto pos = last + mExt * UPos(i);
mXpr(mpos, pos);
}
return 0;
}
template <class Xpr>
inline SizeT For<Xpr>::operator()() const
{
for(SizeT i = 0; i != mSize; ++i){
const SizeT mpos = mStep * UPos(i);
const auto pos = mExt * UPos(i);
mXpr(mpos, pos);
}
return 0;
}
template <class Xpr>
inline auto For<Xpr>::rootSteps(PtrId ptrId) const
{
return mXpr.rootSteps(ptrId);
}
template <class Xpr>
template <SizeT L>
constexpr auto For<Xpr>::staticRootSteps(PtrId ptrId) const
{
return mXpr.template staticRootSteps<L>(ptrId);
}
/*************
* SLFor *
*************/
template <SizeT N, SizeT L, SizeT S, class Xpr>
constexpr SLFor<N,L,S,Xpr>::SLFor(PtrId iptrId, const Xpr& xpr) :
mIptrId(iptrId),
mXpr(xpr),
mExt(mXpr.template staticRootSteps<L>(mIptrId))
{}
template <SizeT N, SizeT L, SizeT S, class Xpr>
template <class PosT1, class PosT2>
constexpr SizeT SLFor<N,L,S,Xpr>::operator()(const PosT1& mlast, const PosT2& last) const
{
return exec<0>(mlast, last);
}
template <SizeT N, SizeT L, SizeT S, class Xpr>
constexpr SizeT SLFor<N,L,S,Xpr>::operator()() const
{
return exec<0>();
}
template <SizeT N, SizeT L, SizeT S, class Xpr>
constexpr auto SLFor<N,L,S,Xpr>::rootSteps(PtrId ptrId) const
{
return mXpr.rootSteps(ptrId);
}
template <SizeT N, SizeT L, SizeT S, class Xpr>
template <SizeT L2>
constexpr auto SLFor<N,L,S,Xpr>::staticRootSteps(PtrId ptrId) const
{
return mXpr.template staticRootSteps<L2>(ptrId);
}
template <SizeT N, SizeT L, SizeT S, class Xpr>
template <SizeT I, class PosT1, class PosT2>
constexpr SizeT SLFor<N,L,S,Xpr>::exec(const PosT1& mlast, const PosT2& last) const
{
constexpr SPos<I> i;
constexpr SPos<S> step;
const auto mpos = mlast + step * i;
const auto pos = last + mExt * i;
mXpr(mpos, pos);
if constexpr(I < N-1){
return exec<I+1>(mlast, last);
}
else {
return 0;
}
}
template <SizeT N, SizeT L, SizeT S, class Xpr>
template <SizeT I>
constexpr SizeT SLFor<N,L,S,Xpr>::exec() const
{
constexpr SPos<I> i;
constexpr SPos<S> step;
const auto mpos = step * i;
const auto pos = mExt * i;
mXpr(mpos, pos);
if constexpr(I < N-1){
return exec<I+1>();
}
else {
return 0;
}
}
/************
* TFor *
************/
template <class Xpr>
constexpr TFor<Xpr>::TFor(SizeT size, PtrId iptrId, SizeT step, const Xpr& xpr) :
mSize(size),
mIptrId(iptrId),
mStep(step),
mXpr(xpr),
mExt(mXpr.rootSteps(mIptrId))
{}
template <class Xpr>
template <class PosT1, class PosT2>
inline SizeT TFor<Xpr>::operator()(const PosT1& mlast, const PosT2& last) const
{
int i = 0;
#pragma omp parallel shared(mXpr) private(i)
{
auto xpr = mXpr;
#pragma omp for
for(i = 0; i < mSize; i++){
const UPos I(i);
const auto mpos = mlast + mStep * I;
const auto pos = last + mExt * I;
mXpr(mpos, pos);
}
}
return 0;
}
template <class Xpr>
inline SizeT TFor<Xpr>::operator()() const
{
int i = 0;
#pragma omp parallel shared(mXpr) private(i)
{
auto xpr = mXpr;
#pragma omp for
for(i = 0; i < static_cast<int>(mSize); i++){
const UPos I(i);
const auto mpos = mStep * I;
const auto pos = mExt * I;
mXpr(mpos, pos);
}
}
return 0;
}
template <class Xpr>
inline auto TFor<Xpr>::rootSteps(PtrId ptrId) const
{
return mXpr.rootSteps(ptrId);
}
template <class Xpr>
template <SizeT L2>
inline auto TFor<Xpr>::staticRootSteps(PtrId ptrId) const
{
return mXpr.template staticRootSteps<L2>(ptrId);
}
}
#endif

119
src/include/ranges/xpr/for.h Normal file
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@ -0,0 +1,119 @@
#ifndef __cxz_for_h__
#define __cxz_for_h__
#include "base/base.h"
#include "xpr_base.h"
namespace CNORXZ
{
/*
template <class ForT, class Xpr>
class ForInterface : public XprInterface<ForInterface<ForT,Xpr>>
{
public:
DEFAULT_MEMBERS(ForInterface);
inline auto rootSteps(PtrId ptrId) const;
template <SizeT L>
constexpr auto staticRootSteps(PtrId ptrId) const;
};
*/
template <class Xpr>
class For : public XprInterface<For<Xpr>>
{
public:
DEFAULT_MEMBERS(For);
constexpr For(SizeT size, PtrId iptrId, SizeT step, const Xpr& xpr);
template <class PosT1, class PosT2>
inline SizeT operator()(const PosT1& mlast, const PosT2& last) const;
inline SizeT operator()() const;
inline auto rootSteps(PtrId ptrId) const;
template <SizeT L>
constexpr auto staticRootSteps(PtrId ptrId) const;
private:
SizeT mSize = 0;
PtrId mIptrId = 0;
Xpr mXpr;
UPos mStep;
typedef decltype(mXpr.rootSteps(0)) PosT;
PosT mExt;
};
// unrolled loop:
template <SizeT N, SizeT L, SizeT S, class Xpr>
class SLFor : public XprInterface<SLFor<N,L,S,Xpr>>
{
public:
DEFAULT_MEMBERS(SLFor);
constexpr SLFor(PtrId iptrId, const Xpr& xpr);
template <class PosT1, class PosT2>
constexpr SizeT operator()(const PosT1& mlast, const PosT2& last) const;
constexpr SizeT operator()() const;
constexpr auto rootSteps(PtrId ptrId) const;
template <SizeT L2>
constexpr auto staticRootSteps(PtrId ptrId) const;
private:
template <SizeT I, class PosT1, class PosT2>
constexpr SizeT exec(const PosT1& mlast, const PosT2& last) const;
template <SizeT I>
constexpr SizeT exec() const;
PtrId mIptrId = 0;
Xpr mXpr;
typedef decltype(mXpr.template staticRootSteps<L>(0)) PosT;
PosT mExt;
};
// multi-threading
template <class Xpr>
class TFor : public XprInterface<TFor<Xpr>>
{
public:
DEFAULT_MEMBERS(TFor);
constexpr TFor(SizeT size, PtrId iptrId, SizeT step, const Xpr& xpr);
template <class PosT1, class PosT2>
inline SizeT operator()(const PosT1& mlast, const PosT2& last) const;
inline SizeT operator()() const;
inline auto rootSteps(PtrId ptrId) const;
template <SizeT L2>
inline auto staticRootSteps(PtrId ptrId) const;
private:
SizeT mSize = 0;
PtrId mIptrId = 0;
Xpr mXpr;
UPos mStep;
typedef decltype(mXpr.rootSteps(0)) PosT;
PosT mExt;
};
}
#endif

1
src/include/ranges/xpr/xpr.cc.h
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@ -1,3 +1,4 @@
#include "vpos_type.cc.h" #include "vpos_type.cc.h"
#include "pos_type.cc.h" #include "pos_type.cc.h"
#include "for.cc.h"

1
src/include/ranges/xpr/xpr.h
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@ -1,5 +1,6 @@
#include "vpos_type.h" #include "vpos_type.h"
#include "pos_type.h" #include "pos_type.h"
#include "for.h"
#include "xpr.cc.h" #include "xpr.cc.h"

12
src/include/ranges/xpr/xpr_base.cc.h
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@ -23,15 +23,15 @@ namespace CNORXZ
} }
template <class Xpr> template <class Xpr>
SizeT VXpr<Xpr>::vexec(SizeT mlast, const DPos& last) const SizeT VXpr<Xpr>::vexec(const UPos& mlast, const DPos& last) const
{ {
return (*this)(mlast, last); return (*this)(mlast, last);
} }
template <class Xpr> template <class Xpr>
SizeT VXpr<Xpr>::vexec(SizeT mlast) const SizeT VXpr<Xpr>::vexec() const
{ {
return (*this)(mlast); return (*this)();
} }
template <class Xpr> template <class Xpr>
@ -50,15 +50,15 @@ namespace CNORXZ
{} {}
template <class PosT> template <class PosT>
inline SizeT DXpr::operator()(SizeT mlast, const PosT& last) const inline SizeT DXpr::operator()(const UPos& mlast, const PosT& last) const
{ {
DPosRef dlast(&last); DPosRef dlast(&last);
return mC->vexec(mlast, dlast); return mC->vexec(mlast, dlast);
} }
inline SizeT DXpr::operator()(SizeT mlast) const inline SizeT DXpr::operator()() const
{ {
return mC->vexec(mlast); return mC->vexec();
} }
inline DPos DXpr::rootSteps(PtrId ptrId) const inline DPos DXpr::rootSteps(PtrId ptrId) const

27
src/include/ranges/xpr/xpr_base.h
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@ -3,6 +3,7 @@
#define __cxz_xpr_base_h__ #define __cxz_xpr_base_h__
#include "base/base.h" #include "base/base.h"
#include "pos_type.h"
namespace CNORXZ namespace CNORXZ
{ {
@ -13,18 +14,18 @@ namespace CNORXZ
public: public:
DEFAULT_MEMBERS(XprInterface); DEFAULT_MEMBERS(XprInterface);
Xpr& THIS() { return static_cast<Xpr&>(*this); } inline Xpr& THIS() { return static_cast<Xpr&>(*this); }
const Xpr& THIS() const { return static_cast<const Xpr&>(*this); } inline const Xpr& THIS() const { return static_cast<const Xpr&>(*this); }
template <class PosT> template <class PosT1, class PosT2>
SizeT operator()(SizeT mlast, const PosT& last) const { return THIS()(mlast,last); } inline SizeT operator()(const PosT1& mlast, const PosT2& last) const { return THIS()(mlast,last); }
SizeT operator()(SizeT mlast = 0) const { return THIS()(mlast); } inline SizeT operator()() const { return THIS()(); }
auto rootSteps(PtrId ptrId) const { return THIS().rootSteps(ptrId); } inline auto rootSteps(PtrId ptrId) const { return THIS().rootSteps(ptrId); }
template <SizeT N> template <SizeT N>
constexpr auto staticRootSteps(PtrId ptrId) const { return THIS().staticRootSteps<N>(ptrId); } constexpr auto staticRootSteps(PtrId ptrId) const { return THIS().template staticRootSteps<N>(ptrId); }
}; };
class VXprBase class VXprBase
@ -34,8 +35,8 @@ namespace CNORXZ
virtual Uptr<VXprBase> copy() const = 0; virtual Uptr<VXprBase> copy() const = 0;
virtual SizeT vexec(SizeT mlast, const DPos& last) const = 0; virtual SizeT vexec(const UPos& mlast, const DPos& last) const = 0;
virtual SizeT vexec(SizeT mlast) const = 0; virtual SizeT vexec() const = 0;
virtual DPos vrootSteps(PtrId ptrId) const = 0; virtual DPos vrootSteps(PtrId ptrId) const = 0;
}; };
@ -49,8 +50,8 @@ namespace CNORXZ
virtual Uptr<VXprBase> copy() const override final; virtual Uptr<VXprBase> copy() const override final;
virtual SizeT vexec(SizeT mlast, const DPos& last) const override final; virtual SizeT vexec(const UPos& mlast, const DPos& last) const override final;
virtual SizeT vexec(SizeT mlast) const override final; virtual SizeT vexec() const override final;
virtual DPos vrootSteps(PtrId ptrId) const override final; virtual DPos vrootSteps(PtrId ptrId) const override final;
}; };
@ -65,8 +66,8 @@ namespace CNORXZ
explicit DXpr(const Xpr& a); explicit DXpr(const Xpr& a);
template <class PosT> template <class PosT>
inline SizeT operator()(SizeT mlast, const PosT& last) const; inline SizeT operator()(const UPos& mlast, const PosT& last) const;
inline SizeT operator()(SizeT mlast) const; inline SizeT operator()() const;
inline DPos rootSteps(PtrId ptrId) const; inline DPos rootSteps(PtrId ptrId) const;