FetchFromCentralCache()

void * Spices::ThreadCache::FetchFromCentralCache ( size_t index, size_t alignSize )

private

Fetch memory from central cache if this is run out.

Parameters

[in]	index	freelist index.
[in]	alignSize	align up bytes.

Returns

Returns memory pointer.

Slow-Start Threshold Dynamic Adjustment Algorithm.

Obtain actural blocks form cc.

push other blocks to freelist if obtained more than one block.

Slow-Start Threshold Dynamic Adjustment Algorithm.

Obtain actural blocks form cc.

push other blocks to freelist if obtained more than one block.

Definition at line 78 of file ThrealCache.cpp.

    {
        const size_t batchNum = std::min(m_FreeLists[index].ApplyforNBlocks(), MemoryPool::GetNBlocksLimit(alignSize));
 
        if (batchNum == m_FreeLists[index].ApplyforNBlocks())
        {
            m_FreeLists[index].IncreaseInNextApplyFor();
        }
        
        void* start = nullptr;
        void* end   = nullptr;
 
        const size_t actualNum = CentralCache::Get()->FetchRange(start, end, batchNum, alignSize);
 
        assert(actualNum >= 1);
 
        if (actualNum > 1)
        {
            m_FreeLists[index].PushRange(MemoryPool::PointerSpace(start), end, actualNum - 1);
        }
 
        return start;
    }