runtime/CL: add ReduceSum layertizen_devel

Change-Id: I6a16a2264eebcd7286eca54adf152105247b4396
Signed-off-by: Inki Dae <inki.dae@samsung.com>

2 files changed, 90 insertions, 0 deletions

diff --git a/arm_compute/runtime/CL/CLFunctions.h b/arm_compute/runtime/CL/CLFunctions.h
index 007a40c65..ebb258ae1 100644
--- a/arm_compute/runtime/CL/CLFunctions.h
+++ b/arm_compute/runtime/CL/CLFunctions.h
@@ -123,6 +123,7 @@
 #include "arm_compute/runtime/CL/functions/CLROIPoolingLayer.h"
 #include "arm_compute/runtime/CL/functions/CLRange.h"
 #include "arm_compute/runtime/CL/functions/CLReduceMean.h"
+#include "arm_compute/runtime/CL/functions/CLReduceSum.h"
 #include "arm_compute/runtime/CL/functions/CLReductionOperation.h"
 #include "arm_compute/runtime/CL/functions/CLRemap.h"
 #include "arm_compute/runtime/CL/functions/CLReorgLayer.h"
diff --git a/arm_compute/runtime/CL/functions/CLReduceSum.h b/arm_compute/runtime/CL/functions/CLReduceSum.h
new file mode 100644
index 000000000..9506dfe9e
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLReduceSum.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2018-2020 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_CL_REDUCE_SUM_H
+#define ARM_COMPUTE_CL_REDUCE_SUM_H
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+#include "arm_compute/runtime/CL/functions/CLElementwiseOperations.h"
+#include "arm_compute/runtime/CL/functions/CLReductionOperation.h"
+#include "arm_compute/runtime/CL/functions/CLReshapeLayer.h"
+#include "arm_compute/runtime/IMemoryManager.h"
+
+namespace arm_compute
+{
+// Forward Declarations
+class ICLTensor;
+
+/** Basic function to perform reduce operation */
+class CLReduceSum : public IFunction
+{
+public:
+    /** Default constructor */
+    CLReduceSum(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
+    /** Configure kernel
+     *
+     * @note Supported tensor rank: up to 4
+     *
+     * @param[in]  input          Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32
+     * @param[in]  reduction_axis Reduction axis vector.
+     * @param[in]  keep_dims      If positive, retains reduced dimensions with length 1.
+     * @param[out] output         Destination tensor. Data type supported: Same as @p input
+     */
+    void configure(ICLTensor *input, const Coordinates &reduction_axis, bool keep_dims, ICLTensor *output);
+    /** Configure kernel
+     *
+     * @note Supported tensor rank: up to 4
+     *
+     * @param[in]  compile_context The compile context to be used.
+     * @param[in]  input           Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32
+     * @param[in]  reduction_axis  Reduction axis vector.
+     * @param[in]  keep_dims       If positive, retains reduced dimensions with length 1.
+     * @param[out] output          Destination tensor. Data type supported: Same as @p input
+     */
+    void configure(const CLCompileContext &compile_context, ICLTensor *input, const Coordinates &reduction_axis, bool keep_dims, ICLTensor *output);
+
+    /** Static function to check if given info will lead to a valid configuration of @ref CLReduceSum
+     *
+     * @param[in] input          Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/F16/F32
+     * @param[in] reduction_axis Reduction axis vector.
+     * @param[in] keep_dims      If positive, retains reduced dimensions with length 1.
+     * @param[in] output         Destination tensor. Data type supported: Same as @p input
+     *
+     * @return A status
+     */
+    static Status validate(const ITensorInfo *input, const Coordinates &reduction_axis, bool keep_dims, const ITensorInfo *output);
+
+    // Inherited methods overridden:
+    void run() override;
+
+private:
+    MemoryGroup                       _memory_group;
+    std::vector<CLReductionOperation> _reduction_kernels;
+    std::vector<CLTensor>             _reduced_outs;
+    CLReshapeLayer                    _reshape;
+    int                               _reduction_ops;
+    bool                              _keep_dims;
+};
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CL_REDUCE_SUM_H */