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0022668: Performance improvement in UBTreeFiller

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AGV 2012-02-03 11:58:35 +00:00 committed by bugmaster
parent 03976b378e
commit d11ab6c3fe
1 changed files with 11 additions and 1 deletions
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12
src/NCollection/NCollection_UBTreeFiller.hxx
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@ -47,6 +47,8 @@ template <class TheObjType, class TheBndType> class NCollection_UBTreeFiller
* Constructor. * Constructor.
* @param theTree * @param theTree
* Tree instance that is to be filled. * Tree instance that is to be filled.
* @param theAlloc
* Allocator for the Filler data.
* @param isFullRandom * @param isFullRandom
* Takes effect when the number of items is large (order of 50,000). When * Takes effect when the number of items is large (order of 50,000). When
* it is True, the code uses the maximal randomization allowing a better * it is True, the code uses the maximal randomization allowing a better
@ -54,8 +56,10 @@ template <class TheObjType, class TheBndType> class NCollection_UBTreeFiller
* the tree filling is faster due to better utilisation of CPU L1/L2 cache. * the tree filling is faster due to better utilisation of CPU L1/L2 cache.
*/ */
NCollection_UBTreeFiller (UBTree& theTree, NCollection_UBTreeFiller (UBTree& theTree,
const Handle_NCollection_BaseAllocator& theAlloc=0L,
const Standard_Boolean isFullRandom = Standard_True) const Standard_Boolean isFullRandom = Standard_True)
: myTree(theTree), mySeed(1), myIsFullRandom (isFullRandom) : myTree(theTree), mySeqPtr(1000, theAlloc),
mySeed(1), myIsFullRandom (isFullRandom)
{ {
#ifndef _REENTRANT #ifndef _REENTRANT
// We use srand/rand for a single threaded application // We use srand/rand for a single threaded application
@ -78,6 +82,12 @@ template <class TheObjType, class TheBndType> class NCollection_UBTreeFiller
*/ */
Standard_EXPORT Standard_Integer Fill (); Standard_EXPORT Standard_Integer Fill ();
/**
* Remove all data from Filler, partculary if the Tree no more needed
* so the destructor of this Filler should not populate the useless Tree.
*/
void Reset() { mySeqPtr.Clear(); }
/** /**
* Check the filled tree for the total number of items and the balance * Check the filled tree for the total number of items and the balance
* outputting these results to ostream. * outputting these results to ostream.