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Changed to single alloc

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This commit is contained in:
Brian Fiete 2020-02-13 07:53:32 -08:00
parent 2d3518dcd4
commit 468b5e292d
1 changed files with 25 additions and 14 deletions
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39
BeefySysLib/util/HashSet.h
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@ -256,11 +256,13 @@ private:
void Resize(intptr newSize, bool forceNewHashCodes)
{
BF_ASSERT(newSize >= mAllocSize);
int_cosize* newBuckets = (int_cosize*)this->rawAllocate(sizeof(int_cosize) * newSize);
BF_ASSERT(newSize >= mAllocSize);
Entry* newEntries;
int_cosize* newBuckets;
AllocData(newSize, newEntries, newBuckets);
for (int_cosize i = 0; i < newSize; i++)
newBuckets[i] = -1;
Entry* newEntries = (Entry*)this->rawAllocate(sizeof(Entry)*newSize);
for (int i = 0; i < mCount; i++)
{
@ -294,8 +296,7 @@ private:
}
}
this->rawDeallocate(mBuckets);
this->rawDeallocate(mEntries);
DeleteData();
mBuckets = newBuckets;
mEntries = newEntries;
@ -331,11 +332,11 @@ private:
void Initialize(intptr capacity)
{
int_cosize size = GetPrimeish((int_cosize)capacity);
mBuckets = (int_cosize*)this->rawAllocate(sizeof(int_cosize) * size);
int_cosize size = GetPrimeish((int_cosize)capacity);
AllocData(size, mEntries, mBuckets);
mAllocSize = size;
for (int_cosize i = 0; i < (int_cosize)mAllocSize; i++) mBuckets[i] = -1;
mEntries = (Entry*)this->rawAllocate(sizeof(Entry) * size);
for (int_cosize i = 0; i < (int_cosize)mAllocSize; i++) mBuckets[i] = -1;
mFreeList = -1;
}
@ -430,9 +431,8 @@ public:
mEntries = NULL;
}
else
{
mBuckets = (int_cosize*)this->rawAllocate(sizeof(int_cosize) * mAllocSize);
mEntries = (Entry*)this->rawAllocate(sizeof(Entry) * mAllocSize);
{
AllocData(mAllocSize, mEntries, mBuckets);
for (int_cosize i = 0; i < mAllocSize; i++)
mBuckets[i] = val.mBuckets[i];
@ -465,6 +465,18 @@ public:
mFreeList = val.mFreeList;
}
void AllocData(intptr size, Entry*& outEntries, int_cosize*& outBuckets)
{
uint8* data = (uint8*)this->rawAllocate(size * (sizeof(Entry) + sizeof(int_cosize)));
outEntries = (Entry*)data;
outBuckets = (int_cosize*)(data + size * sizeof(Entry));
}
void DeleteData()
{
this->rawDeallocate(mEntries);
}
~HashSet()
{
if (!std::is_pod<TKey>::value)
@ -476,8 +488,7 @@ public:
}
}
this->rawDeallocate(mBuckets);
this->rawDeallocate(mEntries);
DeleteData();
}
HashSet& operator=(const HashSet& rhs)