Make Concatenate kernels and operator stateless

- Rename all concatenate kernels to use the Cpu prefix and move
appropriately

Change-Id: If647173e84969936ebd211d4d5ae6d1e73150bdc
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4799
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>

1 files changed, 2 insertions, 68 deletions

diff --git a/arm_compute/runtime/NEON/functions/NEConcatenateLayer.h b/arm_compute/runtime/NEON/functions/NEConcatenateLayer.h
index fd35d0bc46..d16ab130a3 100644
--- a/arm_compute/runtime/NEON/functions/NEConcatenateLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEConcatenateLayer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020 Arm Limited.
+ * Copyright (c) 2018-2021 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -27,11 +27,8 @@
 #include "arm_compute/runtime/IFunction.h"
 
 #include "arm_compute/core/Types.h"
-#include "arm_compute/runtime/NEON/INEOperator.h"
-#include "support/Requires.h"
 
 #include <memory>
-#include <vector>
 
 namespace arm_compute
 {
@@ -40,13 +37,7 @@ class ITensor;
 class ITensorInfo;
 class Status;
 
-/** Basic function to execute concatenate tensors along a given axis. This function calls the following kernels:
- *
- * -# @ref NEWidthConcatenateLayerKernel (if underlying concatenation axis is 0).
- * -# @ref NEHeightConcatenateLayerKernel (if underlying concatenation axis is 1).
- * -# @ref NEDepthConcatenateLayerKernel (if underlying concatenation axis is 2).
- * -# @ref NEBatchConcatenateLayerKernel (if underlying concatenation axis is 3).
- */
+/** Basic function to execute concatenate tensors along a given axis */
 class NEConcatenateLayer : public IFunction
 {
 public:
@@ -92,62 +83,5 @@ private:
     struct Impl;
     std::unique_ptr<Impl> _impl;
 };
-
-namespace experimental
-{
-/** Basic function to execute concatenate tensors along a given axis. This function calls the following kernels:
- *
- * -# @ref NEWidthConcatenateLayerKernel (if underlying concatenation axis is 0).
- * -# @ref NEHeightConcatenateLayerKernel (if underlying concatenation axis is 1).
- * -# @ref NEDepthConcatenateLayerKernel (if underlying concatenation axis is 2).
- * -# @ref NEBatchConcatenateLayerKernel (if underlying concatenation axis is 3).
- */
-class NEConcatenation : public INEOperator
-{
-public:
-    /** Constructor */
-    NEConcatenation();
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    NEConcatenation(const NEConcatenation &) = delete;
-    /** Prevent instances of this class from being copied (As this class contains pointers) */
-    NEConcatenation &operator=(const NEConcatenation &) = delete;
-    /** Prevent instances of this class from being moved (As this class contains non movable objects) */
-    NEConcatenation(NEConcatenation &&) = delete;
-    /** Prevent instances of this class from being moved (As this class contains non movable objects) */
-    NEConcatenation &operator=(NEConcatenation &&) = delete;
-    /** Default destructor */
-    ~NEConcatenation() = default;
-    /** Initialise the kernel's inputs vector and output.
-     *
-     * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis.
-     * @note Preconditions can be found respectively at @ref NEWidthConcatenateLayerKernel, @ref NEHeightConcatenateLayerKernel and @ref NEDepthConcatenateLayerKernel.
-     *
-     * @param[in,out] inputs_vector The vectors containing all the tensors to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
-     * @param[out]    output        Output tensor. Data types supported: Same as @p input.
-     * @param[in]     axis          Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3.
-     */
-    void configure(const std::vector<const ITensorInfo *> &inputs_vector, ITensorInfo *output, size_t axis);
-    /** Static function to check if given info will lead to a valid configuration of @ref NEConcatenateLayer
-     *
-     * @note Input and output tensor dimensions preconditions defer depending on the concatenation axis.
-     * @note Preconditions can be found respectively at @ref NEWidthConcatenateLayerKernel, @ref NEHeightConcatenateLayerKernel and @ref NEDepthConcatenateLayerKernel.
-     *
-     * @param[in] inputs_vector The vectors containing all the tensors info to concatenate. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
-     * @param[in] output        Output tensor info. Data types supported: Same as @p input.
-     * @param[in] axis          Concatenation axis. Supported underlying concatenation axis are 0, 1, 2 and 3.
-     *
-     * @return a status
-     */
-    static Status validate(const std::vector<const ITensorInfo *> &inputs_vector, const ITensorInfo *output, size_t axis);
-
-    // Inherited methods overridden:
-    void run(ITensorPack &tensors) override;
-
-private:
-    std::vector<std::unique_ptr<ICPPKernel>> _concat_kernels;
-    unsigned int                             _num_inputs;
-    unsigned int                             _axis;
-};
-} // namespace experimental
 } // namespace arm_compute
 #endif /* ARM_COMPUTE_NECONCATENATELAYER_H */