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//
// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "armnnTestUtils/MockTensorHandle.hpp"
namespace armnn
{
MockTensorHandle::MockTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<MockMemoryManager>& memoryManager)
: m_TensorInfo(tensorInfo)
, m_MemoryManager(memoryManager)
, m_Pool(nullptr)
, m_UnmanagedMemory(nullptr)
, m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Undefined))
, m_Imported(false)
, m_IsImportEnabled(false)
{}
MockTensorHandle::MockTensorHandle(const TensorInfo& tensorInfo, MemorySourceFlags importFlags)
: m_TensorInfo(tensorInfo)
, m_Pool(nullptr)
, m_UnmanagedMemory(nullptr)
, m_ImportFlags(importFlags)
, m_Imported(false)
, m_IsImportEnabled(true)
{}
MockTensorHandle::~MockTensorHandle()
{
if (!m_Pool)
{
// unmanaged
if (!m_Imported)
{
::operator delete(m_UnmanagedMemory);
}
}
}
void MockTensorHandle::Manage()
{
if (!m_IsImportEnabled)
{
ARMNN_ASSERT_MSG(!m_Pool, "MockTensorHandle::Manage() called twice");
ARMNN_ASSERT_MSG(!m_UnmanagedMemory, "MockTensorHandle::Manage() called after Allocate()");
m_Pool = m_MemoryManager->Manage(m_TensorInfo.GetNumBytes());
}
}
void MockTensorHandle::Allocate()
{
// If import is enabled, do not allocate the tensor
if (!m_IsImportEnabled)
{
if (!m_UnmanagedMemory)
{
if (!m_Pool)
{
// unmanaged
m_UnmanagedMemory = ::operator new(m_TensorInfo.GetNumBytes());
}
else
{
m_MemoryManager->Allocate(m_Pool);
}
}
else
{
throw InvalidArgumentException("MockTensorHandle::Allocate Trying to allocate a MockTensorHandle"
"that already has allocated memory.");
}
}
}
const void* MockTensorHandle::Map(bool /*unused*/) const
{
return GetPointer();
}
void* MockTensorHandle::GetPointer() const
{
if (m_UnmanagedMemory)
{
return m_UnmanagedMemory;
}
else if (m_Pool)
{
return m_MemoryManager->GetPointer(m_Pool);
}
else
{
throw NullPointerException("MockTensorHandle::GetPointer called on unmanaged, unallocated tensor handle");
}
}
void MockTensorHandle::CopyOutTo(void* dest) const
{
const void* src = GetPointer();
ARMNN_ASSERT(src);
memcpy(dest, src, m_TensorInfo.GetNumBytes());
}
void MockTensorHandle::CopyInFrom(const void* src)
{
void* dest = GetPointer();
ARMNN_ASSERT(dest);
memcpy(dest, src, m_TensorInfo.GetNumBytes());
}
bool MockTensorHandle::Import(void* memory, MemorySource source)
{
if (m_ImportFlags & static_cast<MemorySourceFlags>(source))
{
if (m_IsImportEnabled && source == MemorySource::Malloc)
{
// Check memory alignment
if (!CanBeImported(memory, source))
{
if (m_Imported)
{
m_Imported = false;
m_UnmanagedMemory = nullptr;
}
return false;
}
// m_UnmanagedMemory not yet allocated.
if (!m_Imported && !m_UnmanagedMemory)
{
m_UnmanagedMemory = memory;
m_Imported = true;
return true;
}
// m_UnmanagedMemory initially allocated with Allocate().
if (!m_Imported && m_UnmanagedMemory)
{
return false;
}
// m_UnmanagedMemory previously imported.
if (m_Imported)
{
m_UnmanagedMemory = memory;
return true;
}
}
}
return false;
}
bool MockTensorHandle::CanBeImported(void* memory, MemorySource source)
{
if (m_ImportFlags & static_cast<MemorySourceFlags>(source))
{
if (m_IsImportEnabled && source == MemorySource::Malloc)
{
uintptr_t alignment = GetDataTypeSize(m_TensorInfo.GetDataType());
if (reinterpret_cast<uintptr_t>(memory) % alignment)
{
return false;
}
return true;
}
}
return false;
}
} // namespace armnn
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