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+/*
+ * Copyright (c) 2017-2022 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_POOL2D_KERNEL_H
+#define ARM_COMPUTE_CPU_POOL2D_KERNEL_H
+
+#include "arm_compute/core/Types.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 CpuPool2dKernel : public ICpuKernel<CpuPool2dKernel>
+{
+private:
+ using PoolingKernelPtr = std::add_pointer<void(
+ const ITensor *, ITensor *, ITensor *, PoolingLayerInfo &, const Window &, const Window &)>::type;
+
+public:
+ CpuPool2dKernel() = default;
+ ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuPool2dKernel);
+ /** Configure kernel for a given list of arguments
+ *
+ * @note F16 are supported for pool sizes 2 and 3 only
+ *
+ * @param[in] src Source tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+ * @param[out] dst Destination tensor info. Data types supported: Same as @p src.
+ * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+ * @param[out] indices (optional) The indices of the maximal values. Data type supported: U32.
+ */
+ void
+ configure(ITensorInfo *src, ITensorInfo *dst, const PoolingLayerInfo &pool_info, ITensorInfo *indices = nullptr);
+ /** Static function to check if given info will lead to a valid configuration
+ *
+ * Similar to CpuPool2dKernel::configure()
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *src,
+ const ITensorInfo *dst,
+ const PoolingLayerInfo &pool_info,
+ const ITensorInfo *indices = nullptr);
+
+ // Inherited methods overridden:
+ void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
+ const char *name() const override;
+
+ struct PoolingKernel
+ {
+ const char *name;
+ const PoolDataTypeISASelectorPtr is_selected;
+ PoolingKernelPtr ukernel;
+ };
+
+ static const std::vector<PoolingKernel> &get_available_kernels();
+
+private:
+ PoolingLayerInfo _pool_info{};
+ DataLayout _data_layout{DataLayout::UNKNOWN};
+ unsigned int _num_elems_processed_per_iteration{0};
+ Size2D _pool_size{};
+ int _pool_stride_x{};
+ PoolingKernelPtr _run_method{nullptr};
+ std::string _name{};
+};
+} // namespace kernels
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CPU_POOL2D_KERNEL_H */