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Minor fixes in tests. Found a bug. Minor refactoring - added VmaAllocationRequestType. Fixed minor bug in VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress.

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This commit is contained in:
Adam Sawicki 2019-01-24 15:26:43 +01:00
parent e99cb634a4
commit fd366b60b4
3 changed files with 132 additions and 77 deletions
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21
src/Tests.cpp
View file

@ -2181,7 +2181,7 @@ static void TestLinearAllocator()
VkDeviceSize bufSumSize = 0;
for(size_t i = 0; i < maxBufCount; ++i)
{
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
@ -2214,7 +2214,7 @@ static void TestLinearAllocator()
// Allocate number of buffers of varying size that surely fit into this block.
for(size_t i = 0; i < maxBufCount; ++i)
{
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
@ -2235,7 +2235,7 @@ static void TestLinearAllocator()
// Create some more
for(size_t i = 0; i < maxBufCount / 5; ++i)
{
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
@ -2330,7 +2330,7 @@ static void TestLinearAllocator()
allocCreateInfo.flags |= VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
else
allocCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
@ -2365,7 +2365,7 @@ static void TestLinearAllocator()
allocCreateInfo.flags |= VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
else
allocCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
@ -2392,7 +2392,7 @@ static void TestLinearAllocator()
allocCreateInfo.flags |= VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
else
allocCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
@ -2459,7 +2459,7 @@ static void TestLinearAllocator()
{
vmaSetCurrentFrameIndex(g_hAllocator, ++g_FrameIndex);
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
@ -2485,7 +2485,7 @@ static void TestLinearAllocator()
{
vmaSetCurrentFrameIndex(g_hAllocator, ++g_FrameIndex);
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
@ -2514,23 +2514,26 @@ static void TestLinearAllocator()
TEST(allocInfo.deviceMemory == VK_NULL_HANDLE);
}
#if 0 // TODO Fix and uncomment. Failing on Intel.
// Allocate more buffers that CAN_MAKE_OTHER_LOST until we wrap-around with this.
size_t newCount = 1;
for(;;)
{
vmaSetCurrentFrameIndex(g_hAllocator, ++g_FrameIndex);
bufCreateInfo.size = bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin);
bufCreateInfo.size = align_up<VkDeviceSize>(bufSizeMin + rand.Generate() % (bufSizeMax - bufSizeMin), 16);
BufferInfo newBufInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo,
&newBufInfo.Buffer, &newBufInfo.Allocation, &allocInfo);
TEST(res == VK_SUCCESS);
bufInfo.push_back(newBufInfo);
++newCount;
if(allocInfo.offset < firstNewOffset)
break;
}
#endif
// Delete buffers that are lost.
for(size_t i = bufInfo.size(); i--; )

6
src/VmaUsage.h
View file

@ -49,6 +49,12 @@ include all public interface declarations. Example:
//#define VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY 256
//#define VMA_USE_STL_SHARED_MUTEX 0
//#define VMA_DEBUG_GLOBAL_MUTEX 1
/*
#define VMA_DEBUG_LOG(format, ...) do { \
printf(format, __VA_ARGS__); \
printf("\n"); \
} while(false)
*/
#pragma warning(push, 4)
#pragma warning(disable: 4127) // conditional expression is constant

182
src/vk_mem_alloc.h
View file

@ -5152,6 +5152,15 @@ typedef VmaList< VmaSuballocation, VmaStlAllocator<VmaSuballocation> > VmaSuball
// Cost of one additional allocation lost, as equivalent in bytes.
static const VkDeviceSize VMA_LOST_ALLOCATION_COST = 1048576;
enum class VmaAllocationRequestType
{
Normal,
// Used by "Linear" algorithm.
UpperAddress,
EndOf1st,
EndOf2nd,
};
/*
Parameters of planned allocation inside a VmaDeviceMemoryBlock.
@ -5173,6 +5182,7 @@ struct VmaAllocationRequest
VmaSuballocationList::iterator item;
size_t itemsToMakeLostCount;
void* customData;
VmaAllocationRequestType type;
VkDeviceSize CalcCost() const
{
@ -5238,7 +5248,6 @@ public:
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation) = 0;
// Frees suballocation assigned to given memory region.
@ -5321,7 +5330,6 @@ public:
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation);
virtual void Free(const VmaAllocation allocation);
@ -5502,7 +5510,6 @@ public:
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation);
virtual void Free(const VmaAllocation allocation);
@ -5633,7 +5640,6 @@ public:
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation);
virtual void Free(const VmaAllocation allocation) { FreeAtOffset(allocation, allocation->GetOffset()); }
@ -7863,6 +7869,8 @@ bool VmaBlockMetadata_Generic::CreateAllocationRequest(
VMA_ASSERT(pAllocationRequest != VMA_NULL);
VMA_HEAVY_ASSERT(Validate());
pAllocationRequest->type = VmaAllocationRequestType::Normal;
// There is not enough total free space in this block to fullfill the request: Early return.
if(canMakeOtherLost == false &&
m_SumFreeSize < allocSize + 2 * VMA_DEBUG_MARGIN)
@ -7963,6 +7971,7 @@ bool VmaBlockMetadata_Generic::CreateAllocationRequest(
pAllocationRequest->sumItemSize = VK_WHOLE_SIZE;
VmaAllocationRequest tmpAllocRequest = {};
tmpAllocRequest.type = VmaAllocationRequestType::Normal;
for(VmaSuballocationList::iterator suballocIt = m_Suballocations.begin();
suballocIt != m_Suballocations.end();
++suballocIt)
@ -8009,6 +8018,8 @@ bool VmaBlockMetadata_Generic::MakeRequestedAllocationsLost(
uint32_t frameInUseCount,
VmaAllocationRequest* pAllocationRequest)
{
VMA_ASSERT(pAllocationRequest && pAllocationRequest->type == VmaAllocationRequestType::Normal);
while(pAllocationRequest->itemsToMakeLostCount > 0)
{
if(pAllocationRequest->item->type == VMA_SUBALLOCATION_TYPE_FREE)
@ -8082,10 +8093,9 @@ void VmaBlockMetadata_Generic::Alloc(
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation)
{
VMA_ASSERT(!upperAddress);
VMA_ASSERT(request.type == VmaAllocationRequestType::Normal);
VMA_ASSERT(request.item != m_Suballocations.end());
VmaSuballocation& suballoc = *request.item;
// Given suballocation is a free block.
@ -9791,6 +9801,7 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_UpperAddress(
pAllocationRequest->sumItemSize = 0;
// pAllocationRequest->item unused.
pAllocationRequest->itemsToMakeLostCount = 0;
pAllocationRequest->type = VmaAllocationRequestType::UpperAddress;
return true;
}
@ -9893,7 +9904,8 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress(
pAllocationRequest->offset = resultOffset;
pAllocationRequest->sumFreeSize = freeSpaceEnd - resultBaseOffset;
pAllocationRequest->sumItemSize = 0;
// pAllocationRequest->item unused.
// pAllocationRequest->item, customData unused.
pAllocationRequest->type = VmaAllocationRequestType::EndOf1st;
pAllocationRequest->itemsToMakeLostCount = 0;
return true;
}
@ -10014,6 +10026,14 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress(
++index1st;
}
}
// Special case: There is not enough room at the end for this allocation, even after making all from the 1st lost.
if(index1st == suballocations1st.size() &&
resultOffset + allocSize + VMA_DEBUG_MARGIN > size)
{
// TODO: This is a known bug that it's not yet implemented and the allocation is failing.
VMA_DEBUG_LOG("Unsupported special case in custom pool with linear allocation algorithm used as ring buffer with allocations that can be lost.");
}
}
// There is enough free space at the end after alignment.
@ -10050,7 +10070,8 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress(
(index1st < suballocations1st.size() ? suballocations1st[index1st].offset : size)
- resultBaseOffset
- pAllocationRequest->sumItemSize;
// pAllocationRequest->item unused.
pAllocationRequest->type = VmaAllocationRequestType::EndOf2nd;
// pAllocationRequest->item, customData unused.
return true;
}
}
@ -10070,13 +10091,25 @@ bool VmaBlockMetadata_Linear::MakeRequestedAllocationsLost(
VMA_ASSERT(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER);
SuballocationVectorType& suballocations1st = AccessSuballocations1st();
size_t index1st = m_1stNullItemsBeginCount;
// We always start from 1st.
SuballocationVectorType* suballocations = &AccessSuballocations1st();
size_t index = m_1stNullItemsBeginCount;
size_t madeLostCount = 0;
while(madeLostCount < pAllocationRequest->itemsToMakeLostCount)
{
VMA_ASSERT(index1st < suballocations1st.size());
VmaSuballocation& suballoc = suballocations1st[index1st];
if(index == suballocations->size())
{
index = 0;
// If we get to the end of 1st, we wrap around to beginning of 2nd of 1st.
if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER)
{
suballocations = &AccessSuballocations2nd();
}
// else: m_2ndVectorMode == SECOND_VECTOR_EMPTY:
// suballocations continues pointing at AccessSuballocations1st().
VMA_ASSERT(!suballocations->empty());
}
VmaSuballocation& suballoc = (*suballocations)[index];
if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE)
{
VMA_ASSERT(suballoc.hAllocation != VK_NULL_HANDLE);
@ -10086,7 +10119,14 @@ bool VmaBlockMetadata_Linear::MakeRequestedAllocationsLost(
suballoc.type = VMA_SUBALLOCATION_TYPE_FREE;
suballoc.hAllocation = VK_NULL_HANDLE;
m_SumFreeSize += suballoc.size;
++m_1stNullItemsMiddleCount;
if(suballocations == &AccessSuballocations1st())
{
++m_1stNullItemsMiddleCount;
}
else
{
++m_2ndNullItemsCount;
}
++madeLostCount;
}
else
@ -10094,7 +10134,7 @@ bool VmaBlockMetadata_Linear::MakeRequestedAllocationsLost(
return false;
}
}
++index1st;
++index;
}
CleanupAfterFree();
@ -10193,67 +10233,64 @@ void VmaBlockMetadata_Linear::Alloc(
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation)
{
const VmaSuballocation newSuballoc = { request.offset, allocSize, hAllocation, type };
if(upperAddress)
switch(request.type)
{
VMA_ASSERT(m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER &&
"CRITICAL ERROR: Trying to use linear allocator as double stack while it was already used as ring buffer.");
SuballocationVectorType& suballocations2nd = AccessSuballocations2nd();
suballocations2nd.push_back(newSuballoc);
m_2ndVectorMode = SECOND_VECTOR_DOUBLE_STACK;
}
else
{
SuballocationVectorType& suballocations1st = AccessSuballocations1st();
// First allocation.
if(suballocations1st.empty())
case VmaAllocationRequestType::UpperAddress:
{
VMA_ASSERT(m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER &&
"CRITICAL ERROR: Trying to use linear allocator as double stack while it was already used as ring buffer.");
SuballocationVectorType& suballocations2nd = AccessSuballocations2nd();
suballocations2nd.push_back(newSuballoc);
m_2ndVectorMode = SECOND_VECTOR_DOUBLE_STACK;
}
break;
case VmaAllocationRequestType::EndOf1st:
{
SuballocationVectorType& suballocations1st = AccessSuballocations1st();
VMA_ASSERT(suballocations1st.empty() ||
request.offset >= suballocations1st.back().offset + suballocations1st.back().size);
// Check if it fits before the end of the block.
VMA_ASSERT(request.offset + allocSize <= GetSize());
suballocations1st.push_back(newSuballoc);
}
else
break;
case VmaAllocationRequestType::EndOf2nd:
{
// New allocation at the end of 1st vector.
if(request.offset >= suballocations1st.back().offset + suballocations1st.back().size)
{
// Check if it fits before the end of the block.
VMA_ASSERT(request.offset + allocSize <= GetSize());
suballocations1st.push_back(newSuballoc);
}
SuballocationVectorType& suballocations1st = AccessSuballocations1st();
// New allocation at the end of 2-part ring buffer, so before first allocation from 1st vector.
else if(request.offset + allocSize <= suballocations1st[m_1stNullItemsBeginCount].offset)
{
SuballocationVectorType& suballocations2nd = AccessSuballocations2nd();
VMA_ASSERT(!suballocations1st.empty() &&
request.offset + allocSize <= suballocations1st[m_1stNullItemsBeginCount].offset);
SuballocationVectorType& suballocations2nd = AccessSuballocations2nd();
switch(m_2ndVectorMode)
{
case SECOND_VECTOR_EMPTY:
// First allocation from second part ring buffer.
VMA_ASSERT(suballocations2nd.empty());
m_2ndVectorMode = SECOND_VECTOR_RING_BUFFER;
break;
case SECOND_VECTOR_RING_BUFFER:
// 2-part ring buffer is already started.
VMA_ASSERT(!suballocations2nd.empty());
break;
case SECOND_VECTOR_DOUBLE_STACK:
VMA_ASSERT(0 && "CRITICAL ERROR: Trying to use linear allocator as ring buffer while it was already used as double stack.");
break;
default:
VMA_ASSERT(0);
}
suballocations2nd.push_back(newSuballoc);
}
else
switch(m_2ndVectorMode)
{
VMA_ASSERT(0 && "CRITICAL INTERNAL ERROR.");
case SECOND_VECTOR_EMPTY:
// First allocation from second part ring buffer.
VMA_ASSERT(suballocations2nd.empty());
m_2ndVectorMode = SECOND_VECTOR_RING_BUFFER;
break;
case SECOND_VECTOR_RING_BUFFER:
// 2-part ring buffer is already started.
VMA_ASSERT(!suballocations2nd.empty());
break;
case SECOND_VECTOR_DOUBLE_STACK:
VMA_ASSERT(0 && "CRITICAL ERROR: Trying to use linear allocator as ring buffer while it was already used as double stack.");
break;
default:
VMA_ASSERT(0);
}
suballocations2nd.push_back(newSuballoc);
}
break;
default:
VMA_ASSERT(0 && "CRITICAL INTERNAL ERROR.");
}
m_SumFreeSize -= newSuballoc.size;
@ -10404,6 +10441,14 @@ void VmaBlockMetadata_Linear::CleanupAfterFree()
suballocations2nd.pop_back();
}
// Find more null items at the beginning of 2nd vector.
while(m_2ndNullItemsCount > 0 &&
suballocations2nd[0].hAllocation == VK_NULL_HANDLE)
{
--m_2ndNullItemsCount;
suballocations2nd.remove(0);
}
if(ShouldCompact1st())
{
const size_t nonNullItemCount = suballoc1stCount - nullItem1stCount;
@ -10664,6 +10709,7 @@ bool VmaBlockMetadata_Buddy::CreateAllocationRequest(
{
if(freeNode->offset % allocAlignment == 0)
{
pAllocationRequest->type = VmaAllocationRequestType::Normal;
pAllocationRequest->offset = freeNode->offset;
pAllocationRequest->sumFreeSize = LevelToNodeSize(level);
pAllocationRequest->sumItemSize = 0;
@ -10702,9 +10748,10 @@ void VmaBlockMetadata_Buddy::Alloc(
const VmaAllocationRequest& request,
VmaSuballocationType type,
VkDeviceSize allocSize,
bool upperAddress,
VmaAllocation hAllocation)
{
VMA_ASSERT(request.type == VmaAllocationRequestType::Normal);
const uint32_t targetLevel = AllocSizeToLevel(allocSize);
uint32_t currLevel = (uint32_t)(uintptr_t)request.customData;
@ -11756,7 +11803,7 @@ VkResult VmaBlockVector::AllocatePage(
}
// Allocate from this pBlock.
*pAllocation = vma_new(m_hAllocator, VmaAllocation_T)(currentFrameIndex, isUserDataString);
pBestRequestBlock->m_pMetadata->Alloc(bestRequest, suballocType, size, isUpperAddress, *pAllocation);
pBestRequestBlock->m_pMetadata->Alloc(bestRequest, suballocType, size, *pAllocation);
(*pAllocation)->InitBlockAllocation(
hCurrentPool,
pBestRequestBlock,
@ -11767,7 +11814,7 @@ VkResult VmaBlockVector::AllocatePage(
mapped,
(createInfo.flags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0);
VMA_HEAVY_ASSERT(pBestRequestBlock->Validate());
VMA_DEBUG_LOG(" Returned from existing allocation #%u", (uint32_t)blockIndex);
VMA_DEBUG_LOG(" Returned from existing block");
(*pAllocation)->SetUserData(m_hAllocator, createInfo.pUserData);
if(VMA_DEBUG_INITIALIZE_ALLOCATIONS)
{
@ -11825,7 +11872,7 @@ void VmaBlockVector::Free(
pBlock->m_pMetadata->Free(hAllocation);
VMA_HEAVY_ASSERT(pBlock->Validate());
VMA_DEBUG_LOG(" Freed from MemoryTypeIndex=%u", memTypeIndex);
VMA_DEBUG_LOG(" Freed from MemoryTypeIndex=%u", m_MemoryTypeIndex);
// pBlock became empty after this deallocation.
if(pBlock->m_pMetadata->IsEmpty())
@ -11960,7 +12007,7 @@ VkResult VmaBlockVector::AllocateFromBlock(
}
*pAllocation = vma_new(m_hAllocator, VmaAllocation_T)(currentFrameIndex, isUserDataString);
pBlock->m_pMetadata->Alloc(currRequest, suballocType, size, isUpperAddress, *pAllocation);
pBlock->m_pMetadata->Alloc(currRequest, suballocType, size, *pAllocation);
(*pAllocation)->InitBlockAllocation(
hCurrentPool,
pBlock,
@ -12678,7 +12725,6 @@ VkResult VmaDefragmentationAlgorithm_Generic::DefragmentRound(
dstAllocRequest,
suballocType,
size,
false, // upperAddress
allocInfo.m_hAllocation);
pSrcBlockInfo->m_pBlock->m_pMetadata->FreeAtOffset(srcOffset);
@ -14290,7 +14336,7 @@ VkResult VmaAllocator_T::AllocateMemoryOfType(
VmaAllocation* pAllocations)
{
VMA_ASSERT(pAllocations != VMA_NULL);
VMA_DEBUG_LOG(" AllocateMemory: MemoryTypeIndex=%u, AllocationCount=%zu, Size=%llu", memTypeIndex, allocationCount, vkMemReq.size);
VMA_DEBUG_LOG(" AllocateMemory: MemoryTypeIndex=%u, AllocationCount=%zu, Size=%llu", memTypeIndex, allocationCount, size);
VmaAllocationCreateInfo finalCreateInfo = createInfo;