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+/*
+ * Copyright (c) 2021-2022 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_CPU_CONCATENATE_H
+#define ARM_COMPUTE_CPU_CONCATENATE_H
+
+#include "src/cpu/ICpuKernel.h"
+#include "src/cpu/ICpuOperator.h"
+
+#include <vector>
+
+namespace arm_compute
+{
+namespace cpu
+{
+/** Basic function to execute concatenate tensors along a given axis. This function calls the following kernels:
+ *
+ * -# @ref kernels::CpuConcatenateWidthKernel (if underlying concatenation axis is 0).
+ * -# @ref kernels::CpuConcatenateHeightKernel (if underlying concatenation axis is 1).
+ * -# @ref kernels::CpuConcatenateDepthKernel (if underlying concatenation axis is 2).
+ * -# @ref kernels::CpuConcatenateBatchKernel (if underlying concatenation axis is 3).
+ */
+class CpuConcatenate : public ICpuOperator
+{
+public:
+ CpuConcatenate() = default;
+ /** Configure operator for a given list of arguments
+ *
+ * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis.
+ * @note Preconditions can be found respectively at @ref kernels::CpuConcatenateWidthKernel, @ref kernels::CpuConcatenateHeightKernel,
+ * @ref kernels::CpuConcatenateDepthKernel and @ref kernels::CpuConcatenateBatchKernel.
+ *
+ * @param[in,out] srcs_vector The vectors containing all the tensors to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+ * @param[out] dst Output tensor. Data types supported: Same as @p srcs_vector.
+ * @param[in] axis Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3.
+ */
+ void configure(const std::vector<const ITensorInfo *> &srcs_vector, ITensorInfo *dst, size_t axis);
+ /** Static function to check if given info will lead to a valid configuration
+ *
+ * Similar to @ref CpuConcatenate::configure()
+ *
+ * @return a status
+ */
+ static Status validate(const std::vector<const ITensorInfo *> &srcs_vector, const ITensorInfo *dst, size_t axis);
+
+ // Inherited methods overridden:
+ void run(ITensorPack &tensors) override;
+
+private:
+ std::vector<std::unique_ptr<ICPPKernel>> _concat_kernels{};
+ unsigned int _num_srcs{0};
+ unsigned int _axis{0};
+};
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CPU_CONCATENATE_H */