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 | |
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 | |
| 18 | unsigned int GetNumDimensions() |
| 19 | { |
| 20 | return static_cast<unsigned int>(m_DimData.size()); |
| 21 | } |
| 22 | |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 23 | template <typename Func, typename DecoderOp, typename EncoderOp> |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 24 | void Unroll(Func operationFunc, |
| 25 | unsigned int dimension, |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 26 | DecoderOp& inData0, |
| 27 | DecoderOp& inData1, |
| 28 | EncoderOp& outData) |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 29 | { |
| 30 | if (dimension >= GetNumDimensions()) |
| 31 | { |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 32 | outData.Set(operationFunc(inData0.Get(), inData1.Get())); |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 33 | return; |
| 34 | } |
| 35 | |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 36 | unsigned int inData0Movement = 0; |
| 37 | unsigned int inData1Movement = 0; |
| 38 | unsigned int outDataMovement = 0; |
| 39 | |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 40 | for (unsigned int i = 0; i < m_DimData[dimension].m_DimSize; i++) |
| 41 | { |
| 42 | Unroll(operationFunc, dimension + 1, inData0, inData1, outData); |
| 43 | |
| 44 | inData0 += m_DimData[dimension].m_Stride1; |
| 45 | inData1 += m_DimData[dimension].m_Stride2; |
| 46 | outData += m_DimData[dimension].m_StrideOut; |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 47 | |
| 48 | inData0Movement += m_DimData[dimension].m_Stride1; |
| 49 | inData1Movement += m_DimData[dimension].m_Stride2; |
| 50 | outDataMovement += m_DimData[dimension].m_StrideOut; |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 51 | } |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 52 | |
| 53 | // move iterator back to the start |
| 54 | inData0 -= inData0Movement; |
| 55 | inData1 -= inData1Movement; |
| 56 | outData -= outDataMovement; |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | private: |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 60 | // Struct to hold the dimension data. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 61 | struct BroadcastDimensionData |
| 62 | { |
| 63 | unsigned int m_DimSize; |
| 64 | unsigned int m_StrideOut; |
| 65 | unsigned int m_Stride1; |
| 66 | unsigned int m_Stride2; |
| 67 | }; |
| 68 | |
| 69 | std::vector<BroadcastDimensionData> m_DimData; |
| 70 | }; |
| 71 | |
| 72 | } //namespace armnn |