This commit makes to support Gather op for acl neon.
- Introduce NEGatherEx and NEGatherKernelEx
- Apply NEGatherEx layer for neurun
Signed-off-by: jiseob.jang <jiseob.jang@samsung.com>
--- /dev/null
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2019 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_NEGATHERKERNELEX_H__
+#define __ARM_COMPUTE_NEGATHERKERNELEX_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Kernel to perform other operation on NEON */
+class NEGatherKernelEx : public INEKernel
+{
+public:
+ /** Default constructor. */
+ NEGatherKernelEx();
+ /** Prevent instances of this class from being copied (As this class contains pointers). */
+ NEGatherKernelEx(const NEGatherKernelEx &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers). */
+ NEGatherKernelEx &operator=(const NEGatherKernelEx &) = delete;
+ /** Allow instances of this class to be moved. */
+ NEGatherKernelEx(NEGatherKernelEx &&) = default;
+ /** Allow instances of this class to be moved. */
+ NEGatherKernelEx &operator=(NEGatherKernelEx &&) = default;
+ /** Default detructor */
+ ~NEGatherKernelEx() = default;
+
+ /** Name of the kernel
+ *
+ * @return Kernel name
+ */
+ const char *name() const override { return "NEGatherKernelEx"; }
+ /** Initialise the kernel's inputs and outputs
+ *
+ * @param[in] input Source tensor. Supported tensor rank: up to 4. Data type supported:
+ * U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in] indices Indices tensor. Supported tensor rank: up to 3. Must be one of the
+ * following type: U32/S32. Each value Must be in range [0, input.shape[@p axis])
+ * @param[out] output Destination tensor. Data type supported: Same as @p input
+ * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Negative values
+ * wrap around. Defaults to 0
+ */
+ void configure(const ITensor *input, const ITensor *indices, ITensor *output, int axis = 0);
+ /** Static function to check if given info will lead to a valid configuration of @ref
+ * NEGatherKernelEx
+ *
+ * @param[in] input Source tensor info. Supported tensor rank: up to 4. Data type supported:
+ * U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in] indices Indices tensor info. Supported tensor rank: up to 3. Must be one of the
+ * following type: U32/S32. Each value Must be in range [0, input.shape[@p axis])
+ * @param[in] output Destination tensor info. Data type supported: Same as @p input
+ * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Negative values
+ * wrap around. Defaults to 0
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *indices,
+ const ITensorInfo *output, int axis);
+
+ // Inherited methods overridden:
+ void run(const Window &window, const ThreadInfo &info) override;
+
+private:
+ /** Implementation of the gather operation for 0 axis.
+ *
+ * For gather on the 0 axis an element by element copy is performed.
+ *
+ * @param[in] window Region on which to execute the kernel. (Must be a region of the window
+ * returned by window())
+ * @param[in] info Info about executing thread and CPU.
+ */
+ template <typename U> void gather_0_axis(const Window &window, const ThreadInfo &info);
+
+ /** Implementation of the gather operation.
+ *
+ * For 1<=axis a row-wise copy is taking place.
+ *
+ * @param[in] window Region on which to execute the kernel. (Must be a region of the window
+ * returned by window())
+ * @param[in] info Info about executing thread and CPU.
+ */
+ template <typename U> void gather_n_axis(const Window &window, const ThreadInfo &info);
+
+ using kernel_ptr = void (NEGatherKernelEx::*)(const Window &window, const ThreadInfo &info);
+
+ const ITensor *_input;
+ const ITensor *_indices;
+ int _axis;
+ ITensor *_output;
+ kernel_ptr _func;
+};
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_NEGATHERKERNELEX_H__ */
return output_shape;
}
+/** Calculate the gather output shape of a tensor
+ *
+ * @param[in] input_shape Input tensor shape
+ * @param[in] indices_shape Indices tensor shape
+ * @param[in] actual_axis The axis to be gathered
+ *
+ * @return the calculated shape
+ */
+inline TensorShape compute_gather_shape_ex(const TensorShape &input_shape,
+ const TensorShape &indices_shape, uint32_t actual_axis)
+{
+ ARM_COMPUTE_ERROR_ON(indices_shape.num_dimensions() > 3);
+ ARM_COMPUTE_ERROR_ON(input_shape.num_dimensions() > 4);
+ ARM_COMPUTE_ERROR_ON(input_shape.num_dimensions() + indices_shape.num_dimensions() - 1 > 4);
+ ARM_COMPUTE_ERROR_ON(actual_axis >= input_shape.num_dimensions());
+
+ TensorShape output_shape = input_shape;
+ if (indices_shape.num_dimensions() == 1)
+ {
+ output_shape[actual_axis] = indices_shape[0];
+ }
+ else if (indices_shape.num_dimensions() > 1)
+ {
+ output_shape.shift_right(indices_shape.num_dimensions() - 1);
+
+ for (uint32_t i = 0, o = 0; o < output_shape.num_dimensions(); ++o, ++i)
+ {
+ if (o == actual_axis)
+ {
+ ++i;
+ for (uint32_t in = 0; in < indices_shape.num_dimensions(); ++in, ++o)
+ {
+ output_shape[o] = indices_shape[in];
+ }
+ }
+ else
+ {
+ output_shape[o] = input_shape[i];
+ }
+ }
+ }
+ return output_shape;
+}
+
} // namespace shape_calculator
} // namespace misc
} // namespace arm_compute
#include <arm_compute/runtime/NEON/functions/NEElementwiseUnaryLayerEx.h>
#include <arm_compute/runtime/NEON/functions/NEEmbeddingLookup.h>
#include <arm_compute/runtime/NEON/functions/NEFullyConnectedReshapingLayer.h>
+#include <arm_compute/runtime/NEON/functions/NEGatherEx.h>
#include <arm_compute/runtime/NEON/functions/NEHashtableLookup.h>
#include <arm_compute/runtime/NEON/functions/NEPReLU.h>
#include <arm_compute/runtime/NEON/functions/NEReduceMeanEx.h>
--- /dev/null
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2019 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_NEGATHEREX_H__
+#define __ARM_COMPUTE_NEGATHEREX_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEGatherKernelEx */
+class NEGatherEx : public INESimpleFunctionNoBorder
+{
+public:
+ /** Initialise the kernel's inputs and outputs
+ *
+ * @param[in] input Source tensor. Supported tensor rank: up to 4. Data type supported:
+ * U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in] indices Indices tensor. Supported tensor rank: up to 3. Must be one of the
+ * following type: U32/S32. Each value Must be in range [0, input.shape[@p axis])
+ * @param[out] output Destination tensor. Data type supported: Same as @p input
+ * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Defaults to 0
+ */
+ void configure(const ITensor *input, const ITensor *indices, ITensor *output, int axis = 0);
+
+ /** Static function to check if given info will lead to a valid configuration of @ref
+ * NEGatherKernelEx
+ *
+ * @param[in] input Source tensor info. Supported tensor rank: up to 4. Data type supported:
+ * U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32
+ * @param[in] indices Indices tensor info. Supported tensor rank: up to 3. Must be one of the
+ * following types: U32/S32. Each value Must be in range [0, input.shape[@p axis])
+ * @param[in] output Destination tensor info. Data type supported: Same as @p input
+ * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Defaults to 0
+ *
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *indices,
+ const ITensorInfo *output, int axis);
+};
+
+} // namespace arm_compute
+
+#endif /* __ARM_COMPUTE_NEGATHEREX_H__ */
#include "arm_compute/core/CL/CLHelpers.h"
#include "arm_compute/core/CL/CLKernelLibraryEx.h"
#include "arm_compute/core/CL/ICLTensor.h"
+#include "arm_compute/core/utils/misc/ShapeCalculatorEx.h"
#include "arm_compute/core/UtilsEx.h"
using namespace arm_compute;
namespace
{
-inline TensorShape compute_gather_shape(const TensorShape &input_shape,
- const TensorShape &indices_shape, uint32_t actual_axis)
-{
- ARM_COMPUTE_ERROR_ON(indices_shape.num_dimensions() > 3);
- ARM_COMPUTE_ERROR_ON(input_shape.num_dimensions() > 4);
- ARM_COMPUTE_ERROR_ON(input_shape.num_dimensions() + indices_shape.num_dimensions() - 1 > 4);
- ARM_COMPUTE_ERROR_ON(actual_axis >= input_shape.num_dimensions());
-
- TensorShape output_shape = input_shape;
- if (indices_shape.num_dimensions() == 1)
- {
- output_shape[actual_axis] = indices_shape[0];
- }
- else if (indices_shape.num_dimensions() > 1)
- {
- output_shape.shift_right(indices_shape.num_dimensions() - 1);
-
- for (uint32_t i = 0, o = 0; o < output_shape.num_dimensions(); ++o, ++i)
- {
- if (o == actual_axis)
- {
- ++i;
- for (uint32_t in = 0; in < indices_shape.num_dimensions(); ++in, ++o)
- {
- output_shape[o] = indices_shape[in];
- }
- }
- else
- {
- output_shape[o] = input_shape[i];
- }
- }
- }
- return output_shape;
-}
-
-/** Wrap-around a number within the range 0 <= x < m
- *
- * @param[in] x Input value
- * @param[in] m Range
- *
- * @return the wrapped-around number
- */
-template <typename T> inline T wrap_around(T x, T m) { return x >= 0 ? x % m : (x % m + m) % m; }
-
inline Status validate_arguments(const ITensorInfo *input, const ITensorInfo *indices,
const ITensorInfo *output, int axis)
{
{
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output);
- TensorShape output_shape =
- compute_gather_shape(input->tensor_shape(), indices->tensor_shape(), actual_axis);
+ TensorShape output_shape = arm_compute::misc::shape_calculator::compute_gather_shape_ex(
+ input->tensor_shape(), indices->tensor_shape(), actual_axis);
ARM_COMPUTE_RETURN_ERROR_ON(output_shape.total_size() != output->tensor_shape().total_size());
}
ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, indices);
const uint32_t actual_axis = wrap_around(axis, static_cast<int>(input->num_dimensions()));
std::unique_ptr<ITensorInfo> output_info = input->clone();
- output_info->set_tensor_shape(
- compute_gather_shape(input->tensor_shape(), indices->tensor_shape(), actual_axis));
+ output_info->set_tensor_shape(arm_compute::misc::shape_calculator::compute_gather_shape_ex(
+ input->tensor_shape(), indices->tensor_shape(), actual_axis));
// Output auto initialization if not yet initialized
auto_init_if_empty((*output), output_info->tensor_shape(), 1, input->data_type());
--- /dev/null
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2019 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.
+ */
+#include "arm_compute/core/NEON/kernels/NEGatherKernelEx.h"
+
+#include "arm_compute/core/CPP/Validate.h"
+#include "arm_compute/core/Coordinates.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/IAccessWindow.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/core/Window.h"
+#include "arm_compute/core/utils/misc/ShapeCalculatorEx.h"
+
+namespace arm_compute
+{
+namespace
+{
+/** Validate the indices
+ *
+ * Validate that indices are not negative
+ *
+ * @param[in] indices Indices tensor info.
+ */
+template <typename U> void validate_indices(const ITensor *indices)
+{
+ for (size_t i = 0; i < indices->info()->tensor_shape()[0]; ++i)
+ {
+ ARM_COMPUTE_ERROR_ON(*(reinterpret_cast<U *>(indices->ptr_to_element(Coordinates(i)))) < 0);
+ }
+}
+
+} // namespace
+
+NEGatherKernelEx::NEGatherKernelEx() : _input{}, _indices{}, _axis{}, _output{}, _func{} {}
+
+template <typename U>
+inline void NEGatherKernelEx::gather_0_axis(const Window &window, const ThreadInfo &info)
+{
+ ARM_COMPUTE_UNUSED(info);
+
+ // Validate that the indices are not negative
+ validate_indices<U>(_indices);
+
+ Iterator output_it(_output, window);
+ execute_window_loop(
+ window,
+ [&](const Coordinates &id) {
+ Coordinates gather_id(id);
+ gather_id.collapse(_indices->info()->num_dimensions(), 0);
+
+ U new_index;
+ switch (_indices->info()->num_dimensions())
+ {
+ case 1:
+ new_index = *(reinterpret_cast<U *>(_indices->ptr_to_element(Coordinates(id[0]))));
+ break;
+ case 2:
+ new_index =
+ *(reinterpret_cast<U *>(_indices->ptr_to_element(Coordinates(id[0], id[1]))));
+ break;
+ case 3:
+ new_index = *(
+ reinterpret_cast<U *>(_indices->ptr_to_element(Coordinates(id[0], id[1], id[2]))));
+ break;
+ default:
+ ARM_COMPUTE_ERROR("Wrong num of dimensions");
+ break;
+ }
+
+ gather_id.set(0, new_index);
+
+ std::copy_n(_input->ptr_to_element(gather_id), _output->info()->element_size(),
+ output_it.ptr());
+ },
+ output_it);
+}
+
+template <typename U>
+void NEGatherKernelEx::gather_n_axis(const Window &window, const ThreadInfo &info)
+{
+ ARM_COMPUTE_UNUSED(info);
+
+ // Validate that the indices are not negative
+ validate_indices<U>(_indices);
+
+ Window output_window{window};
+ output_window.set(Window::DimX, Window::Dimension(0, 1, 1));
+
+ Iterator output_it(_output, output_window);
+ execute_window_loop(
+ output_window,
+ [&](const Coordinates &id) {
+ Coordinates gather_id(id);
+ gather_id.collapse(_indices->info()->num_dimensions(), _axis);
+
+ U new_index;
+ switch (_indices->info()->num_dimensions())
+ {
+ case 1:
+ new_index = *(reinterpret_cast<U *>(_indices->ptr_to_element(Coordinates(id[_axis]))));
+ break;
+ case 2:
+ new_index = *(reinterpret_cast<U *>(
+ _indices->ptr_to_element(Coordinates(id[_axis], id[_axis + 1]))));
+ break;
+ case 3:
+ new_index = *(reinterpret_cast<U *>(
+ _indices->ptr_to_element(Coordinates(id[_axis], id[_axis + 1], id[_axis + 2]))));
+ break;
+ default:
+ ARM_COMPUTE_ERROR("Wrong num of dimensions");
+ break;
+ }
+
+ gather_id.set(_axis, new_index);
+
+ std::copy_n(_input->ptr_to_element(gather_id),
+ _input->info()->dimension(0) * _output->info()->element_size(),
+ output_it.ptr());
+ },
+ output_it);
+}
+
+void NEGatherKernelEx::configure(const ITensor *input, const ITensor *indices, ITensor *output,
+ int axis)
+{
+ ARM_COMPUTE_ERROR_ON_NULLPTR(input, output, indices);
+ ARM_COMPUTE_ERROR_ON(indices->info()->num_dimensions() > 3);
+ ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(indices, 1, DataType::U32, DataType::S32);
+ ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(
+ input, 1, DataType::U8, DataType::S8, DataType::QASYMM8, DataType::U16, DataType::S16,
+ DataType::U32, DataType::S32, DataType::F16, DataType::F32);
+
+ _input = input;
+ _indices = indices;
+ _output = output;
+ _axis = axis;
+
+ if (_axis < 0)
+ {
+ _axis += input->info()->num_dimensions();
+ }
+ ARM_COMPUTE_ERROR_ON(0 > _axis || _axis >= static_cast<int32_t>(input->info()->num_dimensions()));
+
+ if (0 == _axis)
+ {
+ switch (_indices->info()->data_type())
+ {
+ case DataType::U32:
+ _func = &NEGatherKernelEx::gather_0_axis<uint32_t>;
+ break;
+ case DataType::S32:
+ _func = &NEGatherKernelEx::gather_0_axis<int32_t>;
+ break;
+ default:
+ ARM_COMPUTE_ERROR("Not supported");
+ break;
+ }
+ }
+ else
+ {
+ switch (_indices->info()->data_type())
+ {
+ case DataType::U32:
+ _func = &NEGatherKernelEx::gather_n_axis<uint32_t>;
+ break;
+ case DataType::S32:
+ _func = &NEGatherKernelEx::gather_n_axis<int32_t>;
+ break;
+ default:
+ ARM_COMPUTE_ERROR("Not supported");
+ break;
+ }
+ }
+ // Output auto initialization if not yet initialized
+ TensorShape output_shape = arm_compute::misc::shape_calculator::compute_gather_shape_ex(
+ input->info()->tensor_shape(), indices->info()->tensor_shape(), _axis);
+ auto_init_if_empty(*output->info(), output_shape, 1, input->info()->data_type());
+
+ // Create window
+ Window win = calculate_max_window(*output->info(), Steps());
+ output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
+ INEKernel::configure(win);
+}
+
+Status NEGatherKernelEx::validate(const ITensorInfo *input, const ITensorInfo *indices,
+ const ITensorInfo *output, int axis)
+{
+ ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(input, indices, output);
+ ARM_COMPUTE_RETURN_ERROR_ON(indices->num_dimensions() > 3);
+ ARM_COMPUTE_RETURN_ERROR_ON(input->num_dimensions() > 4);
+ ARM_COMPUTE_ERROR_ON(input->num_dimensions() + indices->num_dimensions() - 1 > 4);
+
+ if (axis < 0)
+ {
+ axis += input->num_dimensions();
+ }
+
+ ARM_COMPUTE_RETURN_ERROR_ON(0 > axis || axis >= static_cast<int32_t>(input->num_dimensions()));
+ ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input);
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(
+ input, 1, DataType::U8, DataType::S8, DataType::QASYMM8, DataType::U16, DataType::S16,
+ DataType::U32, DataType::S32, DataType::F16, DataType::F32);
+
+ if (output->total_size() != 0)
+ {
+ ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
+ ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(input, output);
+ TensorShape output_shape = arm_compute::misc::shape_calculator::compute_gather_shape_ex(
+ input->tensor_shape(), indices->tensor_shape(), axis);
+ ARM_COMPUTE_RETURN_ERROR_ON(output_shape.total_size() != output->tensor_shape().total_size());
+ }
+
+ ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(indices, 1, DataType::U32, DataType::S32);
+
+ return Status{};
+}
+
+void NEGatherKernelEx::run(const Window &window, const ThreadInfo &info)
+{
+ ARM_COMPUTE_UNUSED(info);
+ ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+ ARM_COMPUTE_ERROR_ON(_func == nullptr);
+
+ (this->*_func)(window, info);
+}
+
+} // namespace arm_compute
--- /dev/null
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2019 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.
+ */
+#include "arm_compute/runtime/NEON/functions/NEGatherEx.h"
+
+#include "arm_compute/core/NEON/kernels/NEGatherKernelEx.h"
+#include "support/ToolchainSupport.h"
+
+#include <utility>
+
+namespace arm_compute
+{
+void NEGatherEx::configure(const ITensor *input, const ITensor *indices, ITensor *output, int axis)
+{
+ auto k = arm_compute::support::cpp14::make_unique<NEGatherKernelEx>();
+ k->configure(input, indices, output, axis);
+ _kernel = std::move(k);
+}
+
+Status NEGatherEx::validate(const ITensorInfo *input, const ITensorInfo *indices,
+ const ITensorInfo *output, int axis)
+{
+ return NEGatherKernelEx::validate(input, indices, output, axis);
+}
+
+} // namespace arm_compute
_execution_builder->append(std::move(acl_fn));
}
+void KernelGenerator::visit(const model::operation::GatherNode &node)
+{
+ const auto ofm_index{node.getOutputs().at(0)};
+
+ const auto ifm_index{node.getInputs().at(model::operation::GatherNode::Input::INPUT)};
+ const auto indices_index{node.getInputs().at(model::operation::GatherNode::Input::INDICES)};
+
+ const auto axis_index{node.param().axis_index};
+
+ const auto ifm_shape = _ctx.at(ifm_index).shape();
+
+ const auto axis_value = static_cast<int>(_ctx.at(axis_index).asScalar<int32_t>());
+ // Converting in reverse order
+ const int axis =
+ ::neurun::backend::acl_common::ToARMComputeAxis(ifm_shape.rank(), axis_value).value();
+
+ auto ofm_alloc = _tensor_builder->at(ofm_index).get();
+ auto ifm_alloc = _tensor_builder->at(ifm_index).get();
+ auto indices_alloc = _tensor_builder->at(indices_index).get();
+ const auto backend_layout = ofm_alloc->layout();
+ UNUSED_RELEASE(backend_layout);
+
+ // NOTE The frontend layout and backend layout must be the same for this operation.
+ // If not the same, we have to add a stage(?) to perform permutation of output tensor. It
+ // is not not efficient even if it works well. If so, it would be better to set the
+ // layout of these backend tensors to the same layout.
+ // There is also one thing we have to think about. This operation depends on the layout of
+ // a model. For example, if a model in NHWC has this operation as output rank == 4, indices
+ // rank == 2 and axis == 2, this operation should work as the axis W and C, but the axis W
+ // and C are not sequential in NCHW. So the backend in NCHW cannot handle this case.
+ assert(backend_layout == ifm_alloc->layout());
+ assert(backend_layout == indices_alloc->layout());
+ assert(ifm_shape.rank() < 4 || _current_subg_layout == backend_layout);
+
+ auto fn = nnfw::cpp14::make_unique<::arm_compute::NEGatherEx>();
+
+ fn->configure(ifm_alloc->handle(), indices_alloc->handle(), ofm_alloc->handle(), axis);
+
+ auto acl_fn = asAclFunction(std::move(fn));
+
+ _execution_builder->append(std::move(acl_fn));
+}
+
void KernelGenerator::visit(const model::operation::L2NormalizationNode &node)
{
const auto ofm_index{node.getOutputs().at(0)};
void visit(const model::operation::EmbeddingLookupNode &) override;
void visit(const model::operation::FloorNode &) override;
void visit(const model::operation::FullyConnectedNode &) override;
+ void visit(const model::operation::GatherNode &) override;
void visit(const model::operation::HashtableLookupNode &) override;
void visit(const model::operation::L2NormalizationNode &) override;
void visit(const model::operation::L2Pool2DNode &) override;
_tensor_builder->dimCorrection(output_index, false);
}
+void ShapeFixer::visit(const model::operation::GatherNode &node)
+{
+ const auto ofm_index{node.getOutputs().at(0)};
+ const auto ifm_index{node.getInputs().at(model::operation::GatherNode::Input::INPUT)};
+ const auto indices_index{node.getInputs().at(model::operation::GatherNode::Input::INDICES)};
+ _tensor_builder->dimCorrection(ofm_index, false);
+ _tensor_builder->dimCorrection(ifm_index, false);
+ _tensor_builder->dimCorrection(indices_index, false);
+}
+
void ShapeFixer::visit(const model::operation::L2NormalizationNode &) { /* DO NOTHING */}
void ShapeFixer::visit(const model::operation::L2Pool2DNode &) { /* DO NOTHING */}
void visit(const model::operation::ExpNode &) override;
void visit(const model::operation::FloorNode &) override;
void visit(const model::operation::FullyConnectedNode &) override;
+ void visit(const model::operation::GatherNode &) override;
void visit(const model::operation::HashtableLookupNode &) override;
void visit(const model::operation::L2NormalizationNode &) override;
void visit(const model::operation::L2Pool2DNode &) override;
GeneratedTests.svdf*
GeneratedTests.batch_to_space*
GeneratedTests.space_to_batch*
-GeneratedTests.gather_ex*
GeneratedTests.topk_v2*
# Unexpected result
GeneratedTests.pack*
embedding_lookup
floor
fullyconnected
+gather
hashtable_lookup
l2_normalization
l2_pool_2d