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[dxvk] Keep more empty system memory chunks alive

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Philip Rebohle 2023-01-10 02:25:18 +01:00 committed by Philip Rebohle
parent 0342a25e61
commit 8052347a22
1 changed files with 13 additions and 4 deletions
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17
src/dxvk/dxvk_memory.cpp
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@ -522,14 +522,23 @@ namespace dxvk {
if (this->shouldFreeEmptyChunks(type->heap, 0))
return true;
// Even if we have enough memory to spare, only keep
// one chunk of each type around to save memory.
// Only keep a small number of chunks of each type around to save memory.
uint32_t numEmptyChunks = 0;
for (const auto& c : type->chunks) {
if (c != chunk && c->isEmpty() && c->isCompatible(chunk))
return true;
numEmptyChunks += 1;
}
return false;
// Be a bit more lenient on system memory since data uploads may otherwise
// lead to a large number of allocations and deallocations at runtime.
uint32_t maxEmptyChunks = env::is32BitHostPlatform() ? 2 : 4;
if ((type->memType.propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
|| !(type->memType.propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT))
maxEmptyChunks = 1;
return numEmptyChunks >= maxEmptyChunks;
}