telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
David Beck | ecb56cd | 2018-09-05 12:52:57 +0100 | [diff] [blame] | 3 | // SPDX-License-Identifier: MIT |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include "RefWorkloadUtils.hpp" |
| 9 | |
| 10 | #include "backends/WorkloadData.hpp" |
| 11 | |
| 12 | #include <armnn/Tensor.hpp> |
| 13 | |
| 14 | namespace armnn |
| 15 | { |
| 16 | |
| 17 | template <typename DataType> |
| 18 | void Merger(const MergerQueueDescriptor& data) |
| 19 | { |
| 20 | const TensorInfo& outputInfo0 = GetTensorInfo(data.m_Outputs[0]); |
| 21 | |
| 22 | for (unsigned int index = 0 ; index < outputInfo0.GetNumElements(); ++index) |
| 23 | { |
surmeh01 | 3537c2c | 2018-05-18 16:31:43 +0100 | [diff] [blame] | 24 | unsigned int indices[MaxNumOfTensorDimensions] = { 0 }; |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 25 | |
| 26 | unsigned int indexRemainder = index; |
| 27 | unsigned int dimensionStride = outputInfo0.GetNumElements(); |
| 28 | |
| 29 | for (unsigned int i=0; i<outputInfo0.GetNumDimensions(); i++) |
| 30 | { |
| 31 | dimensionStride /= outputInfo0.GetShape()[i]; |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 32 | indices[i] = indexRemainder / dimensionStride; // Use integer division to round down. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 33 | indexRemainder -= indices[i] * dimensionStride; |
| 34 | } |
| 35 | |
| 36 | for (unsigned int viewIdx = 0; viewIdx < data.m_ViewOrigins.size(); ++viewIdx) |
| 37 | { |
| 38 | MergerQueueDescriptor::ViewOrigin const& view = data.m_ViewOrigins[viewIdx]; |
| 39 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 40 | //Split view extents are defined by the size of (the corresponding) input tensor. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 41 | const TensorInfo& inputInfo = GetTensorInfo(data.m_Inputs[viewIdx]); |
surmeh01 | bceff2f | 2018-03-29 16:29:27 +0100 | [diff] [blame] | 42 | BOOST_ASSERT(inputInfo.GetNumDimensions() == outputInfo0.GetNumDimensions()); |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 43 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 44 | // Check all dimensions to see if this element is inside the given input view. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 45 | bool insideView = true; |
| 46 | for (unsigned int i=0; i<inputInfo.GetNumDimensions(); i++) |
| 47 | { |
| 48 | if (indices[i] < view.m_Origin[i]) |
| 49 | { |
| 50 | insideView = false; |
| 51 | } |
| 52 | if (indices[i] >= view.m_Origin[i] + inputInfo.GetShape()[i]) |
| 53 | { |
| 54 | insideView = false; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | if (insideView) |
| 59 | { |
| 60 | unsigned int inIndex = 0; |
| 61 | unsigned int dimensionStride = 1; |
| 62 | |
| 63 | for (unsigned int i = inputInfo.GetNumDimensions(); i-- > 0;) |
| 64 | { |
| 65 | inIndex += dimensionStride * (indices[i] - view.m_Origin[i]); |
| 66 | dimensionStride *= inputInfo.GetShape()[i]; |
| 67 | } |
| 68 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 69 | //We are within the view, copy input data to the output corresponding to this view. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 70 | (GetOutputTensorData<DataType>(0, data))[index] = |
| 71 | (GetInputTensorData<DataType>(viewIdx, data))[inIndex]; |
| 72 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 73 | //What should we do if input views overlap on the output tensor? |
| 74 | //We could error, take the average, or shm else... |
| 75 | //For now just stop after finding first view (input) that matches. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 76 | break; |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | } //namespace armnn |