Port MaxUnpoolingLayer kernel and add KernelSelect vaidation test

Resolves COMPMID-4958
Change-Id: Ibed5155f2e3ece46635f6ea9617bf11cefc402b1
Signed-off-by: Dana Zlotnik <dana.zlotnik@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7028
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/src/cpu/kernels/CpuMaxUnpoolingLayerKernel.h b/src/cpu/kernels/CpuMaxUnpoolingLayerKernel.h
new file mode 100644
index 0000000000..d0c13471c8
--- /dev/null
+++ b/src/cpu/kernels/CpuMaxUnpoolingLayerKernel.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2020-2022 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_CPUMAXUNPOOLINGLAYERKERNEL_H
+#define ARM_COMPUTE_CPUMAXUNPOOLINGLAYERKERNEL_H
+
+#include "src/core/common/Macros.h"
+#include "src/cpu/ICpuKernel.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace kernels
+{
+/** Interface for the pooling layer kernel */
+class CpuMaxUnpoolingLayerKernel : public ICpuKernel<CpuMaxUnpoolingLayerKernel>
+{
+private:
+    using MaxUnpoolingUKernelPtr = std::add_pointer<void(const ITensor *input, const ITensor *indices, ITensor *output, const Window &window)>::type;
+
+public:
+    /** Default constructor */
+    CpuMaxUnpoolingLayerKernel() = default;
+    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuMaxUnpoolingLayerKernel);
+
+    /** Configure kernel for a given list of arguments
+     *
+     * @note Dst shape must be equal to the shape of the original src to pool.
+     *
+     * @param[in]  src       Source tensor to permute. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[in]  indices   Tensor containing the offset to store the src elements in the dst tensor.
+     *                       @ref CpuMaxUnpooling with indices should precede this function in order to
+     *                       properly reconstruct the output tensor.
+     *                       The tensor shape of this tensor has to be equal to the src tensor shape. Data type supported: U32.
+     * @param[out] dst       Destination tensor. Data types supported: Same as @p src
+     * @param[in]  pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+     */
+    void configure(const ITensorInfo *src, const ITensorInfo *indices, ITensorInfo *dst, const PoolingLayerInfo &pool_info);
+    /** Static function to check if given info will lead to a valid configuration of @ref CpuMaxUnpoolingLayerKernel
+     *
+     * @param[in]  src       Source tensor to permute. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+     * @param[in]  indices   Tensor info of the indices of the maximal values. Data type supported: U32.
+     * @param[out] dst       Destination tensor. Data types supported: Same as @p src
+     * @param[in]  pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *src, const ITensorInfo *indices, const ITensorInfo *dst, const PoolingLayerInfo &pool_info);
+
+    // Inherited methods overridden:
+    void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
+
+    struct MaxUnpoolingKernel
+    {
+        const char                  *name;
+        const DataTypeISASelectorPtr is_selected;
+        MaxUnpoolingUKernelPtr       ukernel;
+    };
+
+    static const std::vector<MaxUnpoolingKernel> &get_available_kernels();
+
+    const char *name() const override;
+
+private:
+    MaxUnpoolingUKernelPtr _run_method{ nullptr };
+};
+
+} // namespace kernels
+} // namespace cpu
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_CPUMAXUNPOOLINGLAYERKERNEL_H */