diff options
Diffstat (limited to 'arm_compute/core/GLES_COMPUTE/kernels/GCSoftmaxLayerKernel.h')
| -rw-r--r-- | arm_compute/core/GLES_COMPUTE/kernels/GCSoftmaxLayerKernel.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arm_compute/core/GLES_COMPUTE/kernels/GCSoftmaxLayerKernel.h b/arm_compute/core/GLES_COMPUTE/kernels/GCSoftmaxLayerKernel.h new file mode 100644 index 0000000000..b9eb305bab --- /dev/null +++ b/arm_compute/core/GLES_COMPUTE/kernels/GCSoftmaxLayerKernel.h @@ -0,0 +1,112 @@ +/* + * Copyright (c) 2017 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef __ARM_COMPUTE_GCSOFTMAXLAYERKERNEL_H__ +#define __ARM_COMPUTE_GCSOFTMAXLAYERKERNEL_H__ + +#include "arm_compute/core/GLES_COMPUTE/IGCSimple3DKernel.h" + +namespace arm_compute +{ +class IGCTensor; + +/** Interface for the identifying the max value of 1D Logits */ +class GCLogits1DMaxKernel : public IGCSimple3DKernel +{ +public: + /** Set the input and output tensors. + * + * @param[in] input Source tensor. Data types supported: F16/F32 + * @param[out] output Destination tensor. Data types supported: same as @p input + */ + void configure(const IGCTensor *input, IGCTensor *output); + + // Inherited methods overridden: + void run(const Window &window) override; +}; + +/** Interface for shifting the logits values around the max value and exponentiating the result */ +class GCLogits1DShiftExpSumKernel : public IGCKernel +{ +public: + /** Default constructor */ + GCLogits1DShiftExpSumKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + GCLogits1DShiftExpSumKernel(const GCLogits1DShiftExpSumKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + GCLogits1DShiftExpSumKernel &operator=(const GCLogits1DShiftExpSumKernel &) = delete; + /** Allow instances of this class to be moved */ + GCLogits1DShiftExpSumKernel(GCLogits1DShiftExpSumKernel &&) = default; + /** Allow instances of this class to be moved */ + GCLogits1DShiftExpSumKernel &operator=(GCLogits1DShiftExpSumKernel &&) = default; + /** Set the input and output tensors. + * + * @param[in] input Source tensor. Data types supported: F16/F32 + * @param[in] max Max values tensor. Data types supported: same as @p input + * @param[out] output Destination tensor. Data types supported: same as @p input + * @param[out] sum Sum of 1D logits tensor. Data types supported: same as @p input + */ + void configure(const IGCTensor *input, const IGCTensor *max, IGCTensor *output, IGCTensor *sum); + + // Inherited methods overridden: + void run(const Window &window) override; + +private: + const IGCTensor *_input; + const IGCTensor *_max; + IGCTensor *_output; + IGCTensor *_sum; +}; + +/** Interface for calculating the final step of the Softmax Layer where each logit value is multiplied by the inverse of the sum of the logits. */ +class GCLogits1DNormKernel : public IGCKernel +{ +public: + /** Default constructor */ + GCLogits1DNormKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + GCLogits1DNormKernel(const GCLogits1DNormKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + GCLogits1DNormKernel &operator=(const GCLogits1DNormKernel &) = delete; + /** Allow instances of this class to be moved */ + GCLogits1DNormKernel(GCLogits1DNormKernel &&) = default; + /** Allow instances of this class to be moved */ + GCLogits1DNormKernel &operator=(GCLogits1DNormKernel &&) = default; + /** Set the input and output tensors. + * + * @param[in] input Source tensor. Data types supported: F16/F32 + * @param[in] sum Sum tensor. Dimensions should be dim(input)-1. Data types supported: same as @p input + * @param[out] output Destination tensor. Data types supported: same as @p input + */ + void configure(const IGCTensor *input, const IGCTensor *sum, IGCTensor *output); + + // Inherited methods overridden: + void run(const Window &window) override; + +private: + const IGCTensor *_input; + const IGCTensor *_sum; + IGCTensor *_output; +}; +} // namespace arm_compute +#endif /*__ARM_COMPUTE_GCSOFTMAXLAYERKERNEL_H__ */ |