odmemory.h File Reference

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Classes
class	ValueSeries< T >
	Interface to a series of values. More...
class	MemSetter< T >
	Sets large amounts of values to a constant using multiple threads. More...
class	MemCopier< T >
	ValueSeries Copier. More...
class	MemValReplacer< T >
	Goes through some mem or a ValSeries and replaces one value with another. More...

Namespaces
	OD
	OpendTect.

Macros
#define	mODMemMinThreadSize   131072
#define	mODMemSetterFullImpl(Type)
#define	mODMemSpecialImpl(Type)
#define	cMinMemValSetParallelSize   400
	size determined experimentally on different Linux and Windows systems More...

Enumerations
enum	OD::PtrPolicy { OD::UsePtr, OD::CopyPtr, OD::TakeOverPtr }

Functions
template<class T >
void	OD::memValueSet (T *, T, int64_t, TaskRunner *taskrun=0)
void	OD::sysMemCopy (void *, const void *, int64_t)
void	OD::sysMemSet (void *, int, size_t)
template<class T >
T *	OD::sysMemValueSet (T *, T, int64_t nrsamp)
void	OD::sysMemZero (void *, size_t)

Macro Definition Documentation

cMinMemValSetParallelSize

#define cMinMemValSetParallelSize   400

size determined experimentally on different Linux and Windows systems

mODMemMinThreadSize

#define mODMemMinThreadSize   131072

mODMemSetterFullImpl

#define mODMemSetterFullImpl

(

Type

)

Value:

    Type* ptr = ptr_ + start; \
    const Type* stopptr = ptr + size; \
    while ( ptr != stopptr ) \
    { \
        *ptr = val_; \
        ptr++; \
    } \
 \
    return true;

mODMemSpecialImpl

#define mODMemSpecialImpl

(

Type

)

Value:

template <> inline \
bool MemSetter<Type>::setPtr( od_int64 start, od_int64 size ) \
{ \
    if ( val_==0 ) \
	OD::sysMemZero( ptr_+start, size*sizeof(Type) ); \
    else \
	OD::sysMemValueSet( ptr_+start, val_, size ); \
    \
    addToNrDone( size ); \
    return true; \
}