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+/*
+ * Copyright (c) 2019-2023 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_DEPTHWISE_CONV2D_NATIVE_KERNEL_H
+#define ARM_COMPUTE_CPU_DEPTHWISE_CONV2D_NATIVE_KERNEL_H
+
+#include "arm_compute/core/utils/misc/Traits.h"
+#include "arm_compute/function_info/ConvolutionInfo.h"
+
+#include "src/core/common/Macros.h"
+#include "src/cpu/ICpuKernel.h"
+#include "support/AclRequires.h"
+
+#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+#include <arm_neon.h>
+#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace kernels
+{
+/** Interface for the kernel to run a depthwise convolution native on a tensor. */
+class CpuDepthwiseConv2dNativeKernel : public ICpuKernel<CpuDepthwiseConv2dNativeKernel>
+{
+private:
+ using DepthwiseConv2dNativeKernelPtr = std::add_pointer<void(
+ const ITensor *, const ITensor *, const ITensor *, ITensor *, const Window &, bool, const ConvolutionInfo &)>::
+ type;
+
+public:
+ CpuDepthwiseConv2dNativeKernel() = default;
+ ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuDepthwiseConv2dNativeKernel);
+
+ /** Initialize the function's source, destination and parameters.
+ *
+ * @note Supported data layouts: NHWC
+ *
+ * @param[in] src Source tensor. DataType supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
+ * @param[in] weights Weights tensor. This is a 3D tensor with dimensions [IFM, W, H].
+ * Data type supported: Same as @p src or QASYMM8/QASYMM8_SIGNED/QSYMM8_PER_CHANNEL when @p src is QASYMM8/QASYMM8_SIGNED.
+ * @param[in] biases Biases tensor. A 1D tensor with dimensions [IFM]. Must be nullptr if not needed.
+ * Data type supported: Same as @p src, S32 when src is QASYMM8/QASYMM8_SIGNED.
+ * @param[out] dst Destination tensor. Data type supported: Same as @p src.
+ * @param[in] info Depthwise convolution meta-data.
+ *
+ */
+ void configure(const ITensorInfo *src,
+ const ITensorInfo *weights,
+ const ITensorInfo *biases,
+ ITensorInfo *dst,
+ const ConvolutionInfo &info);
+ /** Static function to check if given info will lead to a valid configuration
+ *
+ * Similar to CpuDepthwiseConv2dNativeKernel::configure()
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *src,
+ const ITensorInfo *weights,
+ const ITensorInfo *biases,
+ const ITensorInfo *dst,
+ const ConvolutionInfo &info);
+
+ // Inherited methods overridden:
+ void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
+ const char *name() const override;
+ struct DepthwiseConv2dNativeKernel
+ {
+ const char *name;
+ const DepthwiseConv2dNativeDataTypeISASelectorPtr is_selected;
+ DepthwiseConv2dNativeKernelPtr ukernel;
+ };
+ static const std::vector<DepthwiseConv2dNativeKernel> &get_available_kernels();
+
+private:
+ /** Common signature for all the specialised depthwise convolution native functions
+ *
+ * @param[in] window Region on which to execute the kernel.
+ */
+ DepthwiseConv2dNativeKernelPtr _func{nullptr};
+ ConvolutionInfo _conv_info{};
+ bool _has_biases{false};
+};
+} // namespace kernels
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_CPU_DEPTHWISE_CONV2D_NATIVE_KERNEL_H */