database/mariadb-columnstore-engine
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Squash merge of the threaded UM hash table construction feature.

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Conflicts:
	oam/etc/Columnstore.xml.singleserver
This commit is contained in:
Patrick LeBlanc
2019-11-21 14:41:00 -05:00
parent 8c2cef3727
commit 0d26dc447c
11 changed files with 837 additions and 375 deletions
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47
utils/common/fixedallocator.cpp
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@ -50,6 +50,9 @@ FixedAllocator::FixedAllocator(const FixedAllocator& f)
tmpSpace = f.tmpSpace;
capacityRemaining = 0;
currentlyStored = 0;
useLock = f.useLock;
lock = false;
}
FixedAllocator& FixedAllocator::operator=(const FixedAllocator& f)
@ -57,10 +60,22 @@ FixedAllocator& FixedAllocator::operator=(const FixedAllocator& f)
elementCount = f.elementCount;
elementSize = f.elementSize;
tmpSpace = f.tmpSpace;
useLock = f.useLock;
lock = false;
deallocateAll();
return *this;
}
void FixedAllocator::setUseLock(bool useIt)
{
useLock = useIt;
}
void FixedAllocator::setAllocSize(uint allocSize)
{
elementSize = allocSize;
}
void FixedAllocator::newBlock()
{
shared_array<uint8_t> next;
@ -80,39 +95,15 @@ void FixedAllocator::newBlock()
}
}
void* FixedAllocator::allocate()
{
void* ret;
if (capacityRemaining < elementSize)
newBlock();
ret = nextAlloc;
nextAlloc += elementSize;
capacityRemaining -= elementSize;
currentlyStored += elementSize;
return ret;
}
void* FixedAllocator::allocate(uint32_t len)
{
void* ret;
if (capacityRemaining < len)
newBlock();
ret = nextAlloc;
nextAlloc += len;
capacityRemaining -= len;
currentlyStored += len;
return ret;
}
void FixedAllocator::truncateBy(uint32_t amt)
{
if (useLock)
getSpinlock(lock);
nextAlloc -= amt;
capacityRemaining += amt;
currentlyStored -= amt;
if (useLock)
releaseSpinlock(lock);
}
void FixedAllocator::deallocateAll()