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swr: [rasterizer core] Reduce Arena blocksize to 128KB (from 1MB).

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With global allocator this doesn't seem to affect performance at all.
Overall memory consumption drops by up to 85%.
This commit is contained in:
Tim Rowley 2016-03-22 09:27:18 -06:00
parent ed5b953919
commit 51549912d1
1 changed files with 7 additions and 3 deletions
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10
src/gallium/drivers/swr/rasterizer/core/arena.h
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@ -212,7 +212,7 @@ struct CachingAllocatorT : DefaultAllocator
};
typedef CachingAllocatorT<> CachingAllocator;
template<typename T = DefaultAllocator>
template<typename T = DefaultAllocator, size_t BlockSizeT = (128 * 1024)>
class TArena
{
public:
@ -225,7 +225,11 @@ public:
void* AllocAligned(size_t size, size_t align)
{
SWR_ASSERT(size);
if (0 == size)
{
return nullptr;
}
SWR_ASSERT(align <= ARENA_BLOCK_ALIGN);
if (m_pCurBlock)
@ -244,7 +248,7 @@ public:
// a new block
}
static const size_t ArenaBlockSize = 1024 * 1024 - ARENA_BLOCK_ALIGN;
static const size_t ArenaBlockSize = BlockSizeT - ARENA_BLOCK_ALIGN;
size_t blockSize = std::max(size, ArenaBlockSize);
// Add in one BLOCK_ALIGN unit to store ArenaBlock in.