Compute Library
 22.11
CpuTensor.cpp
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1 /*
2  * Copyright (c) 2021 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
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24 #include "src/cpu/CpuTensor.h"
25 
27 
28 namespace arm_compute
29 {
30 namespace cpu
31 {
33  : ITensorV2(ctx), _legacy_tensor()
34 {
35  ARM_COMPUTE_ASSERT((ctx != nullptr) && (ctx->type() == Target::Cpu));
36  _legacy_tensor = std::make_unique<Tensor>();
37  _legacy_tensor->allocator()->init(arm_compute::detail::convert_to_legacy_tensor_info(desc));
38 }
39 
41 {
42  ARM_COMPUTE_ASSERT(_legacy_tensor.get() != nullptr);
43 
44  if(_legacy_tensor == nullptr)
45  {
46  ARM_COMPUTE_LOG_ERROR_ACL("[CpuTensor:map]: Backing tensor does not exist!");
47  return nullptr;
48  }
49  return _legacy_tensor->buffer();
50 }
51 
53 {
54  ARM_COMPUTE_ASSERT(_legacy_tensor.get() != nullptr);
55 
56  _legacy_tensor->allocator()->allocate();
57  return StatusCode::Success;
58 }
59 
61 {
62  // No-op
63  return StatusCode::Success;
64 }
65 
67 {
68  ARM_COMPUTE_ASSERT(_legacy_tensor.get() != nullptr);
69  ARM_COMPUTE_UNUSED(type);
70 
71  const auto st = _legacy_tensor->allocator()->import_memory(handle);
73 }
74 
76 {
77  return _legacy_tensor.get();
78 }
79 } // namespace cpu
80 } // namespace arm_compute
#define ARM_COMPUTE_ASSERT(cond)
Definition: Validate.h:37
Base class specifying the tensor interface.
Definition: ITensorV2.h:45
TensorInfo convert_to_legacy_tensor_info(const AclTensorDescriptor &desc)
Convert a descriptor to a legacy format one.
#define ARM_COMPUTE_LOG_ERROR_ACL(msg)
Log an error message to the logger.
Definition: Log.h:77
Context interface.
Definition: IContext.h:50
decltype(strategy::transforms) typedef type
Interface for CPU tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2022 Arm Limited.
void * map() override
Map tensor to a host pointer.
Definition: CpuTensor.cpp:40
StatusCode allocate()
Allocates tensor.
Definition: CpuTensor.cpp:52
CpuTensor(IContext *ctx, const AclTensorDescriptor &desc)
Construct a new Cpu Tensor object.
Definition: CpuTensor.cpp:32
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
arm_compute::ITensor * tensor() const override
Get the legacy tensor object.
Definition: CpuTensor.cpp:75
StatusCode unmap() override
Unmap tensor.
Definition: CpuTensor.cpp:60
StatusCode
Definition: Types.h:32
Target type() const
Target type accessor.
Definition: IContext.h:66
ImportMemoryType
Definition: Types.h:57
StatusCode import(void *handle, ImportMemoryType type) override
Import external memory handle.
Definition: CpuTensor.cpp:66