2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
7 #include <armnn/Tensor.hpp>
8 #include <armnn/Types.hpp>
17 constexpr char const* GetStatusAsCString(Status status)
21 case armnn::Status::Success: return "Status::Success";
22 case armnn::Status::Failure: return "Status::Failure";
23 default: return "Unknown";
27 constexpr char const* GetActivationFunctionAsCString(ActivationFunction activation)
31 case ActivationFunction::Sigmoid: return "Sigmoid";
32 case ActivationFunction::TanH: return "TanH";
33 case ActivationFunction::Linear: return "Linear";
34 case ActivationFunction::ReLu: return "ReLu";
35 case ActivationFunction::BoundedReLu: return "BoundedReLu";
36 case ActivationFunction::SoftReLu: return "SoftReLu";
37 case ActivationFunction::LeakyReLu: return "LeakyReLu";
38 case ActivationFunction::Abs: return "Abs";
39 case ActivationFunction::Sqrt: return "Sqrt";
40 case ActivationFunction::Square: return "Square";
41 default: return "Unknown";
45 constexpr char const* GetArgMinMaxFunctionAsCString(ArgMinMaxFunction function)
49 case ArgMinMaxFunction::Max: return "Max";
50 case ArgMinMaxFunction::Min: return "Min";
51 default: return "Unknown";
55 constexpr char const* GetComparisonOperationAsCString(ComparisonOperation operation)
59 case ComparisonOperation::Equal: return "Equal";
60 case ComparisonOperation::Greater: return "Greater";
61 case ComparisonOperation::GreaterOrEqual: return "GreaterOrEqual";
62 case ComparisonOperation::Less: return "Less";
63 case ComparisonOperation::LessOrEqual: return "LessOrEqual";
64 case ComparisonOperation::NotEqual: return "NotEqual";
65 default: return "Unknown";
69 constexpr char const* GetPoolingAlgorithmAsCString(PoolingAlgorithm pooling)
73 case PoolingAlgorithm::Average: return "Average";
74 case PoolingAlgorithm::Max: return "Max";
75 case PoolingAlgorithm::L2: return "L2";
76 default: return "Unknown";
80 constexpr char const* GetResizeMethodAsCString(ResizeMethod resizeMethod)
84 case ResizeMethod::Bilinear: return "Bilinear";
85 case ResizeMethod::NearestNeighbor: return "NearestNeighbor";
86 default: return "Unknown";
90 constexpr char const* GetOutputShapeRoundingAsCString(OutputShapeRounding rounding)
94 case OutputShapeRounding::Ceiling: return "Ceiling";
95 case OutputShapeRounding::Floor: return "Floor";
96 default: return "Unknown";
101 constexpr char const* GetPaddingMethodAsCString(PaddingMethod method)
105 case PaddingMethod::Exclude: return "Exclude";
106 case PaddingMethod::IgnoreValue: return "IgnoreValue";
107 default: return "Unknown";
111 constexpr unsigned int GetDataTypeSize(DataType dataType)
115 case DataType::Float16: return 2U;
116 case DataType::Float32:
117 case DataType::Signed32: return 4U;
118 case DataType::QAsymmU8: return 1U;
119 case DataType::QSymmS8: return 1U;
120 case DataType::QuantizedSymm8PerAxis: return 1U;
121 case DataType::QSymmS16: return 2U;
122 case DataType::Boolean: return 1U;
127 template <unsigned N>
128 constexpr bool StrEqual(const char* strA, const char (&strB)[N])
131 for (unsigned i = 0; isEqual && (i < N); ++i)
133 isEqual = (strA[i] == strB[i]);
138 /// Deprecated function that will be removed together with
140 constexpr armnn::Compute ParseComputeDevice(const char* str)
142 if (armnn::StrEqual(str, "CpuAcc"))
144 return armnn::Compute::CpuAcc;
146 else if (armnn::StrEqual(str, "CpuRef"))
148 return armnn::Compute::CpuRef;
150 else if (armnn::StrEqual(str, "GpuAcc"))
152 return armnn::Compute::GpuAcc;
156 return armnn::Compute::Undefined;
160 constexpr const char* GetDataTypeName(DataType dataType)
164 case DataType::Float16: return "Float16";
165 case DataType::Float32: return "Float32";
166 case DataType::QAsymmU8: return "QAsymmU8";
167 case DataType::QSymmS8: return "QSymmS8";
168 case DataType::QuantizedSymm8PerAxis: return "QSymm8PerAxis";
169 case DataType::QSymmS16: return "QSymm16";
170 case DataType::Signed32: return "Signed32";
171 case DataType::Boolean: return "Boolean";
178 constexpr const char* GetDataLayoutName(DataLayout dataLayout)
182 case DataLayout::NCHW: return "NCHW";
183 case DataLayout::NHWC: return "NHWC";
184 default: return "Unknown";
191 : std::integral_constant<bool, std::is_floating_point<T>::value && sizeof(T) == 2>
195 constexpr bool IsQuantizedType()
197 return std::is_integral<T>::value;
200 constexpr bool IsQuantizedType(DataType dataType)
202 return dataType == DataType::QAsymmU8 ||
203 dataType == DataType::QSymmS8 ||
204 dataType == DataType::QSymmS16 ||
205 dataType == DataType::QuantizedSymm8PerAxis;
208 inline std::ostream& operator<<(std::ostream& os, Status stat)
210 os << GetStatusAsCString(stat);
215 inline std::ostream & operator<<(std::ostream & os, const armnn::TensorShape & shape)
218 for (uint32_t i=0; i<shape.GetNumDimensions(); ++i)
230 /// Quantize a floating point data type into an 8-bit data type.
231 /// @param value - The value to quantize.
232 /// @param scale - The scale (must be non-zero).
233 /// @param offset - The offset.
234 /// @return - The quantized value calculated as round(value/scale)+offset.
236 template<typename QuantizedType>
237 QuantizedType Quantize(float value, float scale, int32_t offset);
239 /// Dequantize an 8-bit data type into a floating point data type.
240 /// @param value - The value to dequantize.
241 /// @param scale - The scale (must be non-zero).
242 /// @param offset - The offset.
243 /// @return - The dequantized value calculated as (value-offset)*scale.
245 template <typename QuantizedType>
246 float Dequantize(QuantizedType value, float scale, int32_t offset);
248 inline void VerifyTensorInfoDataType(const armnn::TensorInfo & info, armnn::DataType dataType)
250 if (info.GetDataType() != dataType)
252 std::stringstream ss;
253 ss << "Unexpected datatype:" << armnn::GetDataTypeName(info.GetDataType())
254 << " for tensor:" << info.GetShape()
255 << ". The type expected to be: " << armnn::GetDataTypeName(dataType);
256 throw armnn::Exception(ss.str());