------ ArmNN for Android NNAPI supported operations ------ This release of ArmNN for Android supports use as a driver for the Android Neural Networks API. It implements the android.hardware.neuralnetworks@1.0, android.hardware.neuralnetworks@1.1 and android.hardware.neuralnetworks@1.2 HAL interfaces. For more information on the Android Neural Networks API, see https://developer.android.com/ndk/guides/neuralnetworks/index.html For integration and usage documentation, please see README.md. --- Support for Android Neural Networks HAL operations --- The following AndroidNN HAL 1.0, 1.1 and 1.2 operations are currently supported: AndroidNN operator Tensor type supported ABS (FLOAT32) ADD (FLOAT32, QUANT8_ASYMM) ARGMAX (FLOAT32, QUANT8_ASYMM) ARGMIN (FLOAT32, QUANT8_ASYMM) AVERAGE_POOL_2D (FLOAT32, QUANT8_ASYMM) BATCH_TO_SPACE_ND (FLOAT32, QUANT8_ASYMM) CONCATENATION (FLOAT32, FLOAT16, QUANT8_ASYMM) CONV_2D (FLOAT32, QUANT8_ASYMM) DEPTH_TO_SPACE (FLOAT32, FLOAT16, QUANT8_ASYMM) DEPTHWISE_CONV_2D (FLOAT32, QUANT8_ASYMM) DEQUANTIZE (FLOAT32 (output only), QUANT8_ASYMM (input only)) DIV (FLOAT32, QUANT8_ASYMM) EQUAL (FLOAT32, QUANT8_ASYMM) EXPAND_DIMS (FLOAT32, FLOAT16, QUANT8_ASYMM) FLOOR (FLOAT32) FULLY_CONNECTED (FLOAT32, QUANT8_ASYMM) GREATER (FLOAT32, QUANT8_ASYMM) GREATER_EQUAL (FLOAT32, QUANT8_ASYMM) GROUPED_CONV_2D (FLOAT32, QUANT8_ASYMM) INSTANCE_NORMALIZATION (FLOAT32) L2_NORMALIZATION (FLOAT32) L2_POOL_2D (FLOAT32, QUANT8_ASYMM) LESS (FLOAT32, QUANT8_ASYMM) LESS_EQUAL (FLOAT32, QUANT8_ASYMM) LOCAL_RESPONSE_NORMALIZATION (FLOAT32) LOGISTIC (FLOAT32, QUANT8_ASYMM) LOG_SOFTMAX (FLOAT32) LSTM (FLOAT32) MAXIMUM (FLOAT32, QUANT8_ASYMM) MAX_POOL_2D (FLOAT32, QUANT8_ASYMM) MEAN (FLOAT32, QUANT8_ASYMM) MINIMUM (FLOAT32, QUANT8_ASYMM) MUL (FLOAT32, QUANT8_ASYMM) NOT_EQUAL (FLOAT32, QUANT8_ASYMM) PAD (FLOAT32, FLOAT16, QUANT8_ASYMM) PAD_V2 (FLOAT32, FLOAT16, QUANT8_ASYMM) PRELU (FLOAT32, QUANT8_ASYMM) QUANTIZE (FLOAT32 (input only), QUANT8_ASYMM (output only)) QUANTIZED_16BIT_LSTM (QUANT8_ASYMM) RELU (FLOAT32, QUANT8_ASYMM) RELU1 (FLOAT32, QUANT8_ASYMM) RELU6 (FLOAT32, QUANT8_ASYMM) RESHAPE (FLOAT32, FLOAT16, QUANT8_ASYMM) RESIZE_BILINEAR (FLOAT32, QUANT8_ASYMM) RESIZE_NEAREST_NEIGHBOR (FLOAT32, QUANT8_ASYMM) RSQRT (FLOAT32) SOFTMAX (FLOAT32, QUANT8_ASYMM) SPACE_TO_BATCH_ND (FLOAT32, QUANT8_ASYMM) SPACE_TO_DEPTH (FLOAT32, FLOAT16, QUANT8_ASYMM) SQRT (FLOAT32) SQUEEZE (FLOAT32, FLOAT16, QUANT8_ASYMM) STRIDED_SLICE (FLOAT32, QUANT8_ASYMM) SUB (FLOAT32, QUANT8_ASYMM) TANH (FLOAT32, QUANT8_ASYMM) TRANSPOSE (FLOAT32, QUANT8_ASYMM) TRANSPOSE_CONV_2D (FLOAT32, QUANT8_ASYMM) Where operations are not supported by the ArmNN Android NN Driver, the driver indicates this to the framework appropriately and the framework implements those operations using a CPU implementation. NOTE: By convention, only those tensor types have been listed above, which are fully supported across all ArmNN backends. FLOAT16 input tensors are partially supported on most HAL 1.2 operators on the GpuAcc and CpuRef backends, however not on CpuAcc.