telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 1 | // |
josh minor | 4a3c610 | 2020-01-06 16:40:46 -0600 | [diff] [blame] | 2 | // Copyright © 2019 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 | |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 6 | #include "BaseIterator.hpp" |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 7 | #include <armnn/Tensor.hpp> |
| 8 | |
| 9 | #include <functional> |
| 10 | |
| 11 | namespace armnn |
| 12 | { |
| 13 | |
| 14 | struct BroadcastLoop |
| 15 | { |
| 16 | BroadcastLoop(const TensorShape& inShape0, const TensorShape& inShape1, const TensorShape& outShape); |
| 17 | |
josh minor | 4a3c610 | 2020-01-06 16:40:46 -0600 | [diff] [blame] | 18 | BroadcastLoop(const TensorShape& inShape, const TensorShape& outShape); |
| 19 | |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 20 | unsigned int GetNumDimensions() |
| 21 | { |
| 22 | return static_cast<unsigned int>(m_DimData.size()); |
| 23 | } |
| 24 | |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 25 | template <typename Func, typename DecoderOp, typename EncoderOp> |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 26 | void Unroll(Func operationFunc, |
| 27 | unsigned int dimension, |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 28 | DecoderOp& inData0, |
| 29 | DecoderOp& inData1, |
| 30 | EncoderOp& outData) |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 31 | { |
| 32 | if (dimension >= GetNumDimensions()) |
| 33 | { |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 34 | outData.Set(operationFunc(inData0.Get(), inData1.Get())); |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 35 | return; |
| 36 | } |
| 37 | |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 38 | unsigned int inData0Movement = 0; |
| 39 | unsigned int inData1Movement = 0; |
| 40 | unsigned int outDataMovement = 0; |
| 41 | |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 42 | for (unsigned int i = 0; i < m_DimData[dimension].m_DimSize; i++) |
| 43 | { |
| 44 | Unroll(operationFunc, dimension + 1, inData0, inData1, outData); |
| 45 | |
| 46 | inData0 += m_DimData[dimension].m_Stride1; |
| 47 | inData1 += m_DimData[dimension].m_Stride2; |
| 48 | outData += m_DimData[dimension].m_StrideOut; |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 49 | |
| 50 | inData0Movement += m_DimData[dimension].m_Stride1; |
| 51 | inData1Movement += m_DimData[dimension].m_Stride2; |
| 52 | outDataMovement += m_DimData[dimension].m_StrideOut; |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 53 | } |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 54 | |
| 55 | // move iterator back to the start |
| 56 | inData0 -= inData0Movement; |
| 57 | inData1 -= inData1Movement; |
| 58 | outData -= outDataMovement; |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 59 | } |
| 60 | |
josh minor | 4a3c610 | 2020-01-06 16:40:46 -0600 | [diff] [blame] | 61 | template <typename Func, typename DecoderOp, typename EncoderOp> |
| 62 | void Unroll(Func operationFunc, |
| 63 | unsigned int dimension, |
| 64 | DecoderOp& inData, |
| 65 | EncoderOp& outData) |
| 66 | { |
| 67 | if (dimension >= GetNumDimensions()) |
| 68 | { |
| 69 | outData.Set(operationFunc(inData.Get())); |
| 70 | return; |
| 71 | } |
| 72 | |
| 73 | unsigned int inDataMovement = 0; |
| 74 | unsigned int outDataMovement = 0; |
| 75 | |
| 76 | for (unsigned int i = 0; i < m_DimData[dimension].m_DimSize; i++) |
| 77 | { |
| 78 | Unroll(operationFunc, dimension + 1, inData, outData); |
| 79 | |
| 80 | inData += m_DimData[dimension].m_Stride1; |
| 81 | outData += m_DimData[dimension].m_StrideOut; |
| 82 | |
| 83 | inDataMovement += m_DimData[dimension].m_Stride1; |
| 84 | outDataMovement += m_DimData[dimension].m_StrideOut; |
| 85 | } |
| 86 | |
| 87 | // move iterator back to the start |
| 88 | inData -= inDataMovement; |
| 89 | outData -= outDataMovement; |
| 90 | } |
| 91 | |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 92 | private: |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 93 | // Struct to hold the dimension data. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 94 | struct BroadcastDimensionData |
| 95 | { |
| 96 | unsigned int m_DimSize; |
| 97 | unsigned int m_StrideOut; |
| 98 | unsigned int m_Stride1; |
| 99 | unsigned int m_Stride2; |
| 100 | }; |
| 101 | |
| 102 | std::vector<BroadcastDimensionData> m_DimData; |
| 103 | }; |
| 104 | |
| 105 | } //namespace armnn |