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138 lines (123 loc) · 3.43 KB
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#include "caffe/acl_tensor.hpp"
namespace caffe {
#ifdef USE_ACL
template <typename TensorType>
std::unique_ptr<arm_compute::ITensor> initialise_tensor(arm_compute::TensorInfo &info)
{
auto tensor = cpp14::make_unique<TensorType>();
tensor->allocator()->init(info);
return std::move(tensor);
}
template <typename TensorType>
void tensor_allocate(arm_compute::ITensor &tensor)
{
auto itensor = dynamic_cast<TensorType *>(&tensor);
itensor->allocator()->allocate();
}
Tensor::Tensor(arm_compute::TensorInfo &info) noexcept
: _target(TargetHint::DONT_CARE), _info(info), _tensor(nullptr)
{
}
Tensor::Tensor(Tensor &&src) noexcept
: _target(src._target),
_info(std::move(src._info)),
_tensor(std::move(src._tensor))
{
}
arm_compute::ITensor *Tensor::set_target(TargetHint target)
{
switch(target)
{
#ifdef USE_OPENCL
case TargetHint::OPENCL:
_tensor = initialise_tensor<arm_compute::CLTensor>(_info);
break;
#endif
case TargetHint::NEON:
_tensor = initialise_tensor<arm_compute::Tensor>(_info);
break;
default:
break;
}
_target = target;
return _tensor.get();
}
void Tensor::allocate()
{
switch(_target)
{
#ifdef USE_OPENCL
case TargetHint::OPENCL:
tensor_allocate<arm_compute::CLTensor>(*_tensor);
break;
#endif
case TargetHint::NEON:
tensor_allocate<arm_compute::Tensor>(*_tensor);
break;
default:
break;
}
}
void Tensor::map(bool blocking){
#ifdef USE_OPENCL
if (_target==TargetHint::OPENCL)
dynamic_cast<arm_compute::CLTensor *>(tensor())->map(blocking);
#endif
}
void Tensor::unmap(){
#ifdef USE_OPENCL
if (_target==TargetHint::OPENCL)
dynamic_cast<arm_compute::CLTensor *>(tensor())->unmap();
#endif
}
template <typename SubTensorType, typename ParentTensorType>
std::unique_ptr<arm_compute::ITensor> initialise_subtensor(arm_compute::ITensor *parent, arm_compute::TensorShape shape, arm_compute::Coordinates coords)
{
auto ptensor = dynamic_cast<ParentTensorType *>(parent);
auto subtensor = cpp14::make_unique<SubTensorType>(ptensor, shape, coords);
return std::move(subtensor);
}
SubTensor::SubTensor(Tensor* parent, arm_compute::TensorShape& tensor_shape, arm_compute::Coordinates& coords) noexcept
: _target(TargetHint::DONT_CARE), _tensor_shape(tensor_shape), _coords(coords), _parent(nullptr), _subtensor(nullptr)
{
_parent = parent->tensor();
_target = parent->target();
instantiate_subtensor();
}
arm_compute::ITensor *SubTensor::set_target(TargetHint target)
{
return (target == _target) ? _subtensor.get() : nullptr;
}
arm_compute::ITensor *SubTensor::tensor()
{
return _subtensor.get();
}
const arm_compute::ITensor *SubTensor::tensor() const
{
return _subtensor.get();
}
TargetHint SubTensor::target() const
{
return _target;
}
void SubTensor::allocate()
{
// NOP for sub-tensors
}
void SubTensor::instantiate_subtensor()
{
switch(_target)
{
#ifdef USE_OPENCL
case TargetHint::OPENCL:
_subtensor = initialise_subtensor<arm_compute::CLSubTensor, arm_compute::ICLTensor>(_parent, _tensor_shape, _coords);
break;
#endif
default:
case TargetHint::NEON:
_subtensor = initialise_subtensor<arm_compute::SubTensor, arm_compute::ITensor>(_parent, _tensor_shape, _coords);
break;
}
}
#endif
}