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authorAnthony Barbier <anthony.barbier@arm.com>2017-09-04 18:44:23 +0100
committerAnthony Barbier <anthony.barbier@arm.com>2018-09-17 13:03:09 +0100
commit6ff3b19ee6120edf015fad8caab2991faa3070af (patch)
treea7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h
downloadComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
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+/*
+ * 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_CLSOFTMAXLAYERKERNEL_H__
+#define __ARM_COMPUTE_CLSOFTMAXLAYERKERNEL_H__
+
+#include "arm_compute/core/CL/ICLSimple2DKernel.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Interface for the identifying the max value of 1D Logits */
+class CLLogits1DMaxKernel : public ICLSimple2DKernel
+{
+public:
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: F16, F32. Number of channels must be 1.
+ * @param[out] output Destination tensor. Matching input type and channel number.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+};
+
+/** Interface for shifting the logits values around the max value and exponentiating the result */
+class CLLogits1DShiftExpSumKernel : public ICLKernel
+{
+public:
+ /** Default constructor */
+ CLLogits1DShiftExpSumKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLLogits1DShiftExpSumKernel(const CLLogits1DShiftExpSumKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLLogits1DShiftExpSumKernel &operator=(const CLLogits1DShiftExpSumKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ CLLogits1DShiftExpSumKernel(CLLogits1DShiftExpSumKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ CLLogits1DShiftExpSumKernel &operator=(CLLogits1DShiftExpSumKernel &&) = default;
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: F16, F32. Number of channels must be 1.
+ * @param[in] max Max values tensor. Matching input type and channel number.
+ * @param[out] output Destination tensor. Matching input type and channel number.
+ * @param[out] sum Sum of 1D logits tensor. Matching input type and channel number.
+ */
+ void configure(const ICLTensor *input, const ICLTensor *max, ICLTensor *output, ICLTensor *sum);
+
+ // Inherited methods overridden:
+ void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+ const ICLTensor *_input;
+ const ICLTensor *_max;
+ ICLTensor *_output;
+ ICLTensor *_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 CLLogits1DNormKernel : public ICLKernel
+{
+public:
+ /** Default constructor */
+ CLLogits1DNormKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLLogits1DNormKernel(const CLLogits1DNormKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLLogits1DNormKernel &operator=(const CLLogits1DNormKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ CLLogits1DNormKernel(CLLogits1DNormKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ CLLogits1DNormKernel &operator=(CLLogits1DNormKernel &&) = default;
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: F16, F32. Number of channels must be 1.
+ * @param[in] sum Sum tensor. Dimensions should be dim(input)-1. Matching input type and channel number.
+ * @param[out] output Destination tensor. Matching input type and channel number.
+ */
+ void configure(const ICLTensor *input, const ICLTensor *sum, ICLTensor *output);
+
+ // Inherited methods overridden:
+ void run(const Window &window, cl::CommandQueue &queue) override;
+
+private:
+ const ICLTensor *_input;
+ const ICLTensor *_sum;
+ ICLTensor *_output;
+};
+}
+#endif /*__ARM_COMPUTE_CLSOFTMAXLAYERKERNEL_H__ */