polyml/libpolyml/heapsizing.cpp

140 void HeapSizeParameters::SetHeapParameters(uintptr_t minsize, uintptr_t maxsize, uintptr_t initialsize, unsigned percent)
144     uintptr_t initialSize = K_to_words(initialsize);
146     uintptr_t memsize = GetPhysicalMemorySize() / sizeof(PolyWord);
206 void HeapSizeParameters::SetReservation(uintptr_t rsize)
214 LocalMemSpace *HeapSizeParameters::AddSpaceInMinorGC(uintptr_t space, bool isMutable)
217     uintptr_t spaceAllocated = gMem.CurrentHeapSize() - gMem.CurrentAllocSpace();
221     uintptr_t spaceSize = gMem.DefaultSpaceSize();
273 void HeapSizeParameters::AdjustSizeAfterMajorGC(uintptr_t wordsRequired)
284     uintptr_t heapSpace = gMem.SpaceForHeap() < highWaterMark ? gMem.SpaceForHeap() : highWaterMark;
303         uintptr_t originalSpaceUsed = currentSpaceUsed + sharingWordsRecovered;
320         uintptr_t currentFreeSpace = currentSpaceUsed < heapSpace ? 0: heapSpace - currentSpaceUsed;
344         uintptr_t newLimit = (uintptr_t)((double)heapSpace / scaleFactor);
368     uintptr_t newHeapSize;
387         uintptr_t newHeapSizeWithSharing;
447     uintptr_t nextLimit = highWaterMark + highWaterMark / 32;
460 bool HeapSizeParameters::AdjustSizeAfterMinorGC(uintptr_t spaceAfterGC, uintptr_t spaceBeforeGC)
462     uintptr_t spaceCopiedOut = spaceAfterGC-spaceBeforeGC;
487     uintptr_t nextLimit = highWaterMark + highWaterMark / 32;
495     uintptr_t currHeap = gMem.CurrentHeapSize();
496     uintptr_t currAlloc = gMem.CurrentAllocSpace();
497     uintptr_t nonAlloc = currHeap - currAlloc + spaceCopiedOut;
500     uintptr_t allowedAlloc = nonAlloc >= nextLimit ? 0 : nextLimit - nonAlloc;
503     uintptr_t allocatedInAlloc = gMem.AllocatedInAlloc();
537 double HeapSizeParameters::costFunction(uintptr_t heapSize, bool withSharing, bool withSharingCost)
539     uintptr_t heapSpace = gMem.SpaceForHeap() < highWaterMark ? gMem.SpaceForHeap() : highWaterMark;
540     uintptr_t currentFreeSpace = heapSpace < currentSpaceUsed ? 0: heapSpace - currentSpaceUsed;
541     uintptr_t averageFree = (lastFreeSpace + currentFreeSpace) / 2;
542     uintptr_t spaceUsed = currentSpaceUsed; // N.B.  currentSpaceUsed includes the new space we want
547         spaceUsed -= (uintptr_t)((double)currentSpaceUsed * sharingRecoveryRate);
548     uintptr_t estimatedFree = heapSize - spaceUsed;
577 bool HeapSizeParameters::getCostAndSize(uintptr_t &heapSize, double &cost, bool withSharing)
580     uintptr_t heapSpace = gMem.SpaceForHeap() < highWaterMark ? gMem.SpaceForHeap() : highWaterMark;
583     uintptr_t sizeMax = heapSpace * 2;
585     uintptr_t sizeMin = heapSpace / 2;
591     uintptr_t minForAllocation = gMem.CurrentHeapSize() + gMem.DefaultSpaceSize() * 3;
605             uintptr_t sizeNext = (sizeMin + sizeMax) / 2;