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author | David Beck <david.beck@arm.com> | 2018-09-19 12:03:20 +0100 |
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committer | Matthew Bentham <matthew.bentham@arm.com> | 2018-10-10 16:16:56 +0100 |
commit | 10b4dfd8e9ccd7a03df7bb053ee1c644cb37f8ab (patch) | |
tree | 1ac5b4f415531e2ef759439ab8e113f177bea7c5 /src/armnn/backends/RefWorkloads/Merger.hpp | |
parent | a3f165624b2cdfbced674af5a6e11856b1e746d9 (diff) | |
download | armnn-10b4dfd8e9ccd7a03df7bb053ee1c644cb37f8ab.tar.gz |
IVGCVSW-1897 : build infrastructure for the src/backends folder
Change-Id: I7ebafb675ccc77ad54d1deb01412a8379a5356bb
Diffstat (limited to 'src/armnn/backends/RefWorkloads/Merger.hpp')
-rw-r--r-- | src/armnn/backends/RefWorkloads/Merger.hpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/src/armnn/backends/RefWorkloads/Merger.hpp b/src/armnn/backends/RefWorkloads/Merger.hpp deleted file mode 100644 index 867925faa2..0000000000 --- a/src/armnn/backends/RefWorkloads/Merger.hpp +++ /dev/null @@ -1,82 +0,0 @@ -// -// Copyright © 2017 Arm Ltd. All rights reserved. -// SPDX-License-Identifier: MIT -// - -#pragma once - -#include "RefWorkloadUtils.hpp" - -#include "backends/WorkloadData.hpp" - -#include <armnn/Tensor.hpp> - -namespace armnn -{ - -template <typename DataType> -void Merger(const MergerQueueDescriptor& data) -{ - const TensorInfo& outputInfo0 = GetTensorInfo(data.m_Outputs[0]); - - for (unsigned int index = 0 ; index < outputInfo0.GetNumElements(); ++index) - { - unsigned int indices[MaxNumOfTensorDimensions] = { 0 }; - - unsigned int indexRemainder = index; - unsigned int dimensionStride = outputInfo0.GetNumElements(); - - for (unsigned int i=0; i<outputInfo0.GetNumDimensions(); i++) - { - dimensionStride /= outputInfo0.GetShape()[i]; - indices[i] = indexRemainder / dimensionStride; // Use integer division to round down. - indexRemainder -= indices[i] * dimensionStride; - } - - for (unsigned int viewIdx = 0; viewIdx < data.m_ViewOrigins.size(); ++viewIdx) - { - MergerQueueDescriptor::ViewOrigin const& view = data.m_ViewOrigins[viewIdx]; - - //Split view extents are defined by the size of (the corresponding) input tensor. - const TensorInfo& inputInfo = GetTensorInfo(data.m_Inputs[viewIdx]); - BOOST_ASSERT(inputInfo.GetNumDimensions() == outputInfo0.GetNumDimensions()); - - // Check all dimensions to see if this element is inside the given input view. - bool insideView = true; - for (unsigned int i=0; i<inputInfo.GetNumDimensions(); i++) - { - if (indices[i] < view.m_Origin[i]) - { - insideView = false; - } - if (indices[i] >= view.m_Origin[i] + inputInfo.GetShape()[i]) - { - insideView = false; - } - } - - if (insideView) - { - unsigned int inIndex = 0; - unsigned int dimensionStride = 1; - - for (unsigned int i = inputInfo.GetNumDimensions(); i-- > 0;) - { - inIndex += dimensionStride * (indices[i] - view.m_Origin[i]); - dimensionStride *= inputInfo.GetShape()[i]; - } - - //We are within the view, copy input data to the output corresponding to this view. - (GetOutputTensorData<DataType>(0, data))[index] = - (GetInputTensorData<DataType>(viewIdx, data))[inIndex]; - - //What should we do if input views overlap on the output tensor? - //We could error, take the average, or shm else... - //For now just stop after finding first view (input) that matches. - break; - } - } - } -} - -} //namespace armnn |