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diff --git a/runtimes/libs/ARMComputeEx/arm_compute/runtime/CL/functions/CLReduceOperation.h b/runtimes/libs/ARMComputeEx/arm_compute/runtime/CL/functions/CLReduceOperation.h
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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2016-2018 ARM Limited.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file CLReduceOperation.h
+ * @ingroup COM_AI_RUNTIME
+ * @brief This file contains arm_compute::CLReduceOperation class
+ */
+
+#ifndef __ARM_COMPUTE_CLREDUCEOPERATION_H__
+#define __ARM_COMPUTE_CLREDUCEOPERATION_H__
+
+#include "arm_compute/core/CL/kernels/CLReduceOperationKernel.h"
+#include "arm_compute/core/TypesEx.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/**
+ * @brief Class to perform ReduceOperation
+ */
+class CLReduceOperation : public IFunction
+{
+public:
+  /**
+   * @brief Construct a new ReduceOperation object
+   */
+  CLReduceOperation();
+
+  /**
+   * @brief Set the input and output tensors.
+   * @param[in]  input    Source tensor. Data types supported: U8/S32/F32
+   * @param[out] output   Destination tensor. Data types and data layouts supported: Same as @p
+   *                      input.
+   * @param[in]  axis     Axis along which to reduce. It must be sorted and no duplicates.
+   * @param[in]  op       Reduce operation to perform.
+   * @return N/A
+   */
+  void configure(ICLTensor *input, ICLTensor *output, const std::set<uint32_t> &axis,
+                 ReduceOperation op);
+
+  /**
+   * @brief Static function to check if given info will lead to a valid configuration of @ref
+   *        CLReduceOperation.
+   * @param[in] input   Source tensor info. Data types supported: U8/S32/F32
+   * @param[in] output  Destination tensor info. Data types and data layouts supported: Same as @p
+   *                    input.
+   * @param[in] axis    Axis along which to reduce. It must be sorted and no duplicates.
+   * @param[in] op      Reduce operation to perform.
+   * @return a status
+   */
+  static Status validate(const ITensorInfo *input, const ITensorInfo *output,
+                         const std::set<uint32_t> &axis, const ReduceOperation &op);
+
+  /**
+   * @brief Run the OpenCL kernel for this operation
+   * @return N/A
+   */
+  void run() override;
+
+private:
+  ICLTensor *_input;
+  ICLTensor *_output;
+  std::set<uint32_t> _axis;
+
+  std::unique_ptr<CLTensor[]> _interm_tensors{nullptr};
+  std::unique_ptr<CLReduceOperationKernel[]> _reduce_kernels{nullptr};
+};
+}
+#endif /*__ARM_COMPUTE_CLREDUCEOPERATION_H__ */