COMPMID-3638: Move NEON kernels
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: Ieed3e4bc8be7fef80c90c5094599b477a56fc473
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4285
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/NEON/kernels/NEPermuteKernel.h b/src/core/NEON/kernels/NEPermuteKernel.h
new file mode 100644
index 0000000..80187de
--- /dev/null
+++ b/src/core/NEON/kernels/NEPermuteKernel.h
@@ -0,0 +1,102 @@
+/*
+ * 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_NEPERMUTEKERNEL_H
+#define ARM_COMPUTE_NEPERMUTEKERNEL_H
+
+#include "src/core/NEON/INEKernel.h"
+
+namespace arm_compute
+{
+// Forward declarations
+class ITensor;
+
+/** NEON kernel to perform tensor permutation.
+ *
+ * Permutes given a permutation vector
+ */
+class NEPermuteKernel : public INEKernel
+{
+public:
+ const char *name() const override
+ {
+ return "NEPermuteKernel";
+ }
+ /** Default constructor */
+ NEPermuteKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEPermuteKernel(const NEPermuteKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEPermuteKernel &operator=(const NEPermuteKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ NEPermuteKernel(NEPermuteKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ NEPermuteKernel &operator=(NEPermuteKernel &&) = default;
+ /** Default destructor */
+ ~NEPermuteKernel() = default;
+
+ /** Set the input and output of the kernel.
+ *
+ * @note Arbitrary permutation vectors are supported with rank not greater than 4
+ *
+ * @param[in] input The input tensor to permute. Data types supported: All
+ * @param[out] output The output tensor. Data types supported: Same as @p input
+ * @param[in] perm Permutation vector
+ */
+ void configure(const ITensor *input, ITensor *output, const PermutationVector &perm);
+ /** Static function to check if given info will lead to a valid configuration of @ref CPPPermuteKernel
+ *
+ * @note Arbitrary permutation vectors are supported with rank not greater than 4
+ *
+ * @param[in] input The input tensor to permute. Data types supported: All
+ * @param[in] output The output tensor. Data types supported: Same as @p input
+ * @param[in] perm Permutation vector
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *output, const PermutationVector &perm);
+
+ // Inherited methods overridden:
+ void run(const Window &window, const ThreadInfo &info) override;
+
+private:
+ /** Template function to run the permute
+ *
+ * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
+ */
+ template <typename T>
+ void run_permute(const Window &window);
+
+ /** Common signature for all the specialised permute functions
+ *
+ * @param[in] window Region on which to execute the kernel.
+ */
+ using PermuteFunctionPtr = void (NEPermuteKernel::*)(const Window &window);
+
+ PermuteFunctionPtr _func;
+ const ITensor *_input;
+ ITensor *_output;
+ PermutationVector _perm;
+};
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_NEPERMUTEKERNEL_H */