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[dxvk] Move memory statistics from memory types to heaps

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This commit is contained in:
Philip Rebohle 2024-09-19 00:41:34 +02:00 committed by Philip Rebohle
parent 35fea6475d
commit b46ef2ceff
2 changed files with 44 additions and 29 deletions
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50
src/dxvk/dxvk_memory.cpp
View File

@ -173,10 +173,8 @@ namespace dxvk {
DxvkMemoryAllocator::DxvkMemoryAllocator(DxvkDevice* device)
: m_device (device),
m_memProps (device->adapter()->memoryProperties()) {
for (uint32_t i = 0; i < m_memProps.memoryHeapCount; i++) {
for (uint32_t i = 0; i < m_memProps.memoryHeapCount; i++)
m_memHeaps[i].properties = m_memProps.memoryHeaps[i];
m_memHeaps[i].stats = DxvkMemoryStats { 0, 0 };
}
for (uint32_t i = 0; i < m_memProps.memoryTypeCount; i++) {
m_memTypes[i].heap = &m_memHeaps[m_memProps.memoryTypes[i].heapIndex];
@ -295,7 +293,7 @@ namespace dxvk {
bool wantsDedicatedAllocation = DedicatedAllocationThreshold * size > chunkSize;
// Try to reuse existing memory as much as possible in case the heap is nearly full
bool heapBudgedExceeded = 5 * type->heap->stats.memoryUsed + size > 4 * type->heap->properties.size;
bool heapBudgedExceeded = 5 * type->stats.memoryUsed + size > 4 * type->heap->properties.size;
if (!needsDedicatedAlocation && (!wantsDedicatedAllocation || heapBudgedExceeded)) {
// Attempt to suballocate from existing chunks first
@ -307,7 +305,7 @@ namespace dxvk {
if (!memory && !wantsDedicatedAllocation) {
DxvkDeviceMemory devMem;
if (this->shouldFreeEmptyChunks(type->heap, chunkSize))
if (this->shouldFreeEmptyChunks(type->heapId, chunkSize))
this->freeEmptyChunks(type->heap);
for (uint32_t i = 0; i < 6 && (chunkSize >> i) >= size && !devMem.memHandle; i++)
@ -327,7 +325,7 @@ namespace dxvk {
// If a dedicated allocation is required or preferred and we haven't managed
// to suballocate any memory before, try to create a dedicated allocation
if (!memory && (needsDedicatedAlocation || wantsDedicatedAllocation)) {
if (this->shouldFreeEmptyChunks(type->heap, size))
if (this->shouldFreeEmptyChunks(type->heapId, size))
this->freeEmptyChunks(type->heap);
DxvkDeviceMemory devMem = this->tryAllocDeviceMemory(type, size, info, false);
@ -339,7 +337,7 @@ namespace dxvk {
}
if (memory) {
type->heap->stats.memoryUsed += memory.m_length;
type->stats.memoryUsed += memory.m_length;
m_device->notifyMemoryUse(type->heapId, memory.m_length);
}
@ -440,7 +438,7 @@ namespace dxvk {
}
}
type->heap->stats.memoryAllocated += size;
type->stats.memoryAllocated += size;
m_device->notifyMemoryAlloc(type->heapId, size);
return result;
}
@ -449,7 +447,7 @@ namespace dxvk {
void DxvkMemoryAllocator::free(
const DxvkMemory& memory) {
std::lock_guard<dxvk::mutex> lock(m_mutex);
memory.m_type->heap->stats.memoryUsed -= memory.m_length;
memory.m_type->stats.memoryUsed -= memory.m_length;
if (memory.m_chunk != nullptr) {
this->freeChunkMemory(
@ -498,7 +496,7 @@ namespace dxvk {
vk->vkDestroyBuffer(vk->device(), memory.buffer, nullptr);
vk->vkFreeMemory(vk->device(), memory.memHandle, nullptr);
type->heap->stats.memoryAllocated -= memory.memSize;
type->stats.memoryAllocated -= memory.memSize;
m_device->notifyMemoryAlloc(type->heapId, memory.memSize);
}
@ -533,7 +531,7 @@ namespace dxvk {
// Don't bump chunk size if we reached the maximum or if
// we already were unable to allocate a full chunk.
if (chunkSize <= allocatedSize && chunkSize <= m_memTypes[memTypeId].heap->stats.memoryAllocated)
if (chunkSize <= allocatedSize && chunkSize <= m_memTypes[memTypeId].stats.memoryAllocated)
m_memTypes[memTypeId].chunkSize = pickChunkSize(memTypeId, chunkSize * 2);
}
@ -542,7 +540,7 @@ namespace dxvk {
const DxvkMemoryType* type,
const Rc<DxvkMemoryChunk>& chunk) const {
// Under memory pressure, we should start freeing everything.
if (this->shouldFreeEmptyChunks(type->heap, 0))
if (this->shouldFreeEmptyChunks(type->heapId, 0))
return true;
// Free chunks that are below the current chunk size since it probably
@ -571,10 +569,12 @@ namespace dxvk {
bool DxvkMemoryAllocator::shouldFreeEmptyChunks(
const DxvkMemoryHeap* heap,
uint32_t heapIndex,
VkDeviceSize allocationSize) const {
VkDeviceSize budget = (heap->properties.size * 4) / 5;
return heap->stats.memoryAllocated + allocationSize > budget;
VkDeviceSize budget = (m_memHeaps[heapIndex].properties.size * 4) / 5;
DxvkMemoryStats stats = getMemoryStats(heapIndex);
return stats.memoryAllocated + allocationSize > budget;
}
@ -720,6 +720,20 @@ namespace dxvk {
}
DxvkMemoryStats DxvkMemoryAllocator::getMemoryStats(uint32_t heap) const {
DxvkMemoryStats result = { };
for (size_t i = 0; i < m_memProps.memoryTypeCount; i++) {
if (m_memTypes[i].heapId == heap) {
result.memoryAllocated += m_memTypes[i].stats.memoryAllocated;
result.memoryUsed += m_memTypes[i].stats.memoryUsed;
}
}
return result;
}
bool DxvkMemoryAllocator::getBufferMemoryRequirements(
const VkBufferCreateInfo& createInfo,
VkMemoryRequirements2& memoryRequirements) const {
@ -800,10 +814,12 @@ namespace dxvk {
sstr << "Heap Size (MiB) Allocated Used Reserved Budget" << std::endl;
for (uint32_t i = 0; i < m_memProps.memoryHeapCount; i++) {
DxvkMemoryStats stats = getMemoryStats(i);
sstr << std::setw(2) << i << ": "
<< std::setw(6) << (m_memHeaps[i].properties.size >> 20) << " "
<< std::setw(6) << (m_memHeaps[i].stats.memoryAllocated >> 20) << " "
<< std::setw(6) << (m_memHeaps[i].stats.memoryUsed >> 20) << " ";
<< std::setw(6) << (stats.memoryAllocated >> 20) << " "
<< std::setw(6) << (stats.memoryUsed >> 20) << " ";
if (m_device->features().extMemoryBudget) {
sstr << std::setw(6) << (memHeapInfo.heaps[i].memoryAllocated >> 20) << " "

23
src/dxvk/dxvk_memory.h
View File

@ -64,8 +64,7 @@ namespace dxvk {
* its properties as well as allocation statistics.
*/
struct DxvkMemoryHeap {
VkMemoryHeap properties;
DxvkMemoryStats stats;
VkMemoryHeap properties = { };
};
@ -77,14 +76,16 @@ namespace dxvk {
* this memory type.
*/
struct DxvkMemoryType {
DxvkMemoryHeap* heap;
uint32_t heapId;
DxvkMemoryHeap* heap = nullptr;
uint32_t heapId = 0u;
VkMemoryType memType;
uint32_t memTypeId;
VkMemoryType memType = { };
uint32_t memTypeId = 0u;
VkDeviceSize chunkSize;
VkBufferUsageFlags bufferUsage;
DxvkMemoryStats stats = { };
VkDeviceSize chunkSize = 0u;
VkBufferUsageFlags bufferUsage = 0u;
std::vector<Rc<DxvkMemoryChunk>> chunks;
};
@ -346,9 +347,7 @@ namespace dxvk {
* \param [in] heap Heap index
* \returns Memory stats for this heap
*/
DxvkMemoryStats getMemoryStats(uint32_t heap) const {
return m_memHeaps[heap].stats;
}
DxvkMemoryStats getMemoryStats(uint32_t heap) const;
/**
* \brief Queries buffer memory requirements
@ -427,7 +426,7 @@ namespace dxvk {
const Rc<DxvkMemoryChunk>& chunk) const;
bool shouldFreeEmptyChunks(
const DxvkMemoryHeap* heap,
uint32_t heapIndex,
VkDeviceSize allocationSize) const;
void freeEmptyChunks(