Rename ported functions

Rename CpuPooling to CpuPool2d
Rename CpuPoolingKernel to CpuPool2dKernel
Rename CpuPoolingAssemblyWrapperKernel to CpuPool2dAssemblyWrapperKernel
Move CpuPool2dAssemblyWrapperKernel in internal subfolder
Rename CpuDepthwiseConvolutionNativeKernel to CpuDepthwiseConv2dNativeKernel
Rename CpuDepthwiseConvolutionAssemblyDispatch to CpuDepthwiseConv2dAssemblyDispatch
Rename CpuDepthwiseConvolution to CpuDepthwiseConv2d
Rename CpuDirectConvolutionKernel to CpuDirectConv2dKernel
Rename CpuDirectConvolutionOutputStageKernel to CpuDirectConv2dOutputStageKernel
Rename CpuDirectConvolution to CpuDirectConv2d
Rename ClPoolingKernel to ClPool2dKernel
Rename ClPooling to ClPool2d
Rename ClDirectConvolutionKernel to ClDirectConv2dKernel

Resolves: COMPMID-4405

Change-Id: I8e48f015e4e492a76a7512f5679cb3eb0cd028f6
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5708
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/cpu/operators/CpuDepthwiseConv2dAssemblyDispatch.h b/src/runtime/cpu/operators/CpuDepthwiseConv2dAssemblyDispatch.h
new file mode 100644
index 0000000..195942b
--- /dev/null
+++ b/src/runtime/cpu/operators/CpuDepthwiseConv2dAssemblyDispatch.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2019-2021 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_DEPTHWISECONV2DASSEMBLYDISPATCH_H
+#define ARM_COMPUTE_CPU_DEPTHWISECONV2DASSEMBLYDISPATCH_H
+
+#include "src/core/common/Macros.h"
+#include "src/runtime/cpu/ICpuOperator.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+/** Depthwise convolution assembly kernel glue */
+class CpuDepthwiseConv2dAssemblyDispatch : public ICpuOperator
+{
+public:
+    /** Default constructor */
+    CpuDepthwiseConv2dAssemblyDispatch();
+    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuDepthwiseConv2dAssemblyDispatch);
+    /** Default destructor */
+    ~CpuDepthwiseConv2dAssemblyDispatch();
+
+    /** Initialize the function's source, destination, kernels and border_size.
+     *
+     * @note Supports only NHWC format
+     *
+     * @param[in]  src     Source tensor info. Data type supported: QASYMM8/F16/F32. (Written to only for border filling).
+     * @param[in]  weights Weights tensor info. These are 3D tensors with shape [W, H, IFM]. Data type supported: Same as @p src.
+     * @param[in]  bias    (Optional) Biases tensor info. A 1D tensor with shape [IFM]. Must be nullptr if not needed.
+     *                     Data type supported: Same as @p src.
+     * @param[out] dst     Destination tensor info. Data type supported: same as @p src.
+     * @param[in]  info    Depthwise convolution meta-data.
+     */
+    void configure(const ITensorInfo *src, const ITensorInfo *weights, const ITensorInfo *bias, ITensorInfo *dst, const ConvolutionInfo &info);
+    /** Static function to check if given info will lead to a valid configuration
+     *
+     * Similar to CpuDepthwiseConv2dAssemblyDispatch::configure()
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *src, const ITensorInfo *weights, const ITensorInfo *bias, const ITensorInfo *dst, const ConvolutionInfo &info);
+    /** Check if the optimized kernel can be used for the given kernel sizes and strides
+     *
+     * @warning Even if this return true the inputs and outputs might need to get permuted as the only layout supported is NHWC
+     *
+     * @param[in] src     Input tensor info.
+     * @param[in] weights Weights tensor info.
+     * @param[in] info    Depthwise convolution meta-data.
+     *
+     * @return True if the assembly kernel could be used else false. Note that transformations of input/output could be needed.
+     */
+    static bool is_optimized_supported(const ITensorInfo *src, const ITensorInfo *weights, const ConvolutionInfo &info);
+
+    // Inherited methods overridden:
+    void run(ITensorPack &tensors) override;
+    void prepare(ITensorPack &tensors) override;
+    experimental::MemoryRequirements workspace() const override;
+
+private:
+    struct LocalImpl;
+    std::unique_ptr<LocalImpl> _pImpl;
+};
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CPU_DEPTHWISECONV2DASSEMBLYDISPATCH_H */