diff options
Diffstat (limited to 'delegate/opaque/src/Gather.hpp')
| -rw-r--r-- | delegate/opaque/src/Gather.hpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/delegate/opaque/src/Gather.hpp b/delegate/opaque/src/Gather.hpp index e16969768e..b9eef2bb8e 100644 --- a/delegate/opaque/src/Gather.hpp +++ b/delegate/opaque/src/Gather.hpp @@ -2,3 +2,131 @@ // Copyright © 2023 Arm Ltd and Contributors. All rights reserved. // SPDX-License-Identifier: MIT // + +#pragma once + +#include <OpaqueDelegateUtils.hpp> + +#include <algorithm> +#include <iterator> +#include <string> +#include <vector> + +namespace armnnOpaqueDelegate +{ + + TfLiteStatus VisitGatherOperator(DelegateData& delegateData, + TfLiteOpaqueContext* tfLiteContext, + TfLiteOpaqueNode* tfLiteNode, + int nodeIndex, + int32_t operatorCode) + { + TF_LITE_ENSURE_STATUS(ValidateNumInputs(tfLiteContext, tfLiteNode, 2, nodeIndex)); + TF_LITE_ENSURE_STATUS(ValidateNumOutputs(tfLiteContext, tfLiteNode, 1, nodeIndex)); + + int numInputs = 0; + const int* inputTensors; + if (TfLiteOpaqueNodeInputs(tfLiteNode, &inputTensors, &numInputs) != kTfLiteOk) + { + TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( + tfLiteContext, + "TfLiteArmnnOpaqueDelegate: Unable to gather input tensor indices from node #%d: ", + nodeIndex); + return kTfLiteError; + } + + int numOutputs = 0; + const int* outputTensors; + if (TfLiteOpaqueNodeOutputs(tfLiteNode, &outputTensors, &numOutputs) != kTfLiteOk) + { + TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( + tfLiteContext, + "TfLiteArmnnOpaqueDelegate: Unable to gather output tensor indices from node #%d: ", + nodeIndex); + return kTfLiteError; + } + + const TfLiteOpaqueTensor* tfLiteInputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, + inputTensors[0]); + if (!IsValid(tfLiteContext, tfLiteInputTensor, operatorCode, nodeIndex)) + { + return kTfLiteError; + } + + const TfLiteOpaqueTensor* tfLiteIndicesTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, + inputTensors[1]); + if (!IsValid(tfLiteContext, tfLiteIndicesTensor, operatorCode, nodeIndex)) + { + return kTfLiteError; + } + + const TfLiteOpaqueTensor* tfLiteOutputTensor = TfLiteOpaqueContextGetOpaqueTensor(tfLiteContext, + outputTensors[0]); + if (!IsValid(tfLiteContext, tfLiteOutputTensor, operatorCode, nodeIndex)) + { + return kTfLiteError; + } + auto* tfLiteNodeParameters = reinterpret_cast<TfLiteGatherParams*>(TfLiteOpaqueNodeGetBuiltinData(tfLiteNode)); + auto axis = tfLiteNodeParameters->axis; + + const armnn::TensorInfo& inputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteInputTensor); + const armnn::TensorInfo& indicesTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteIndicesTensor); + const armnn::TensorInfo& outputTensorInfo = GetTensorInfoForTfLiteOpaqueTensor(tfLiteOutputTensor, true); + armnn::GatherDescriptor gatherDescriptor; + gatherDescriptor.m_Axis = axis; + + auto inputDimensions = static_cast<int32_t>(inputTensorInfo.GetNumDimensions()); + auto indicesDimensions = indicesTensorInfo.GetNumDimensions(); + auto outputDimensions = outputTensorInfo.GetNumDimensions(); + if (((axis < -inputDimensions) && (axis < 0)) || ((axis >= inputDimensions) && (axis > 0))) + { + TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( + tfLiteContext, + "TfLiteArmnnDelegate: Operation has invalid axis: %d. It is out of bounds [-%d, %d))", + axis, inputDimensions, inputDimensions); + return kTfLiteError; + } + if (outputDimensions != static_cast<unsigned int>(inputDimensions) + indicesDimensions - 1) + { + TF_LITE_OPAQUE_MAYBE_KERNEL_LOG( + tfLiteContext, + "Operation has invalid output dimensions: %d. Output must be an (%d + %d - 1)-D tensor", + outputDimensions, inputDimensions, indicesDimensions); + return kTfLiteError; + } + + armnn::BackendId setBackend; + if (!delegateData.m_Network) + { + // Check if supported + bool isSupported = false; + FORWARD_LAYER_OPAQUE_SUPPORT_FUNC("GATHER", + tfLiteContext, + IsGatherSupported, + delegateData.m_Backends, + isSupported, + setBackend, + inputTensorInfo, + indicesTensorInfo, + outputTensorInfo, + gatherDescriptor); + return isSupported ? kTfLiteOk : kTfLiteError; + } + + armnn::IConnectableLayer* layer = delegateData.m_Network->AddGatherLayer(gatherDescriptor); + layer->SetBackendId(setBackend); + ARMNN_ASSERT(layer != nullptr); + layer->GetOutputSlot(0).SetTensorInfo(outputTensorInfo); + + auto inputsTensorsProcess = ProcessInputs(layer, + delegateData, + tfLiteContext, + tfLiteNode); + if (inputsTensorsProcess == kTfLiteError) + { + return inputsTensorsProcess; + } + + return Connect(layer, tfLiteContext, tfLiteNode, delegateData); + } +} // namespace armnnOpaqueDelegate
\ No newline at end of file |