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 | #include <armnn/Tensor.hpp> |
| 7 | |
| 8 | #include <functional> |
| 9 | |
| 10 | namespace armnn |
| 11 | { |
| 12 | |
| 13 | struct BroadcastLoop |
| 14 | { |
| 15 | BroadcastLoop(const TensorShape& inShape0, const TensorShape& inShape1, const TensorShape& outShape); |
| 16 | |
| 17 | unsigned int GetNumDimensions() |
| 18 | { |
| 19 | return static_cast<unsigned int>(m_DimData.size()); |
| 20 | } |
| 21 | |
| 22 | template <typename T0, typename T1, typename U, typename Func> |
| 23 | void Unroll(Func operationFunc, |
| 24 | unsigned int dimension, |
| 25 | const T0* inData0, |
| 26 | const T1* inData1, |
| 27 | U* outData) |
| 28 | { |
| 29 | if (dimension >= GetNumDimensions()) |
| 30 | { |
| 31 | *outData = operationFunc(*inData0, *inData1); |
| 32 | return; |
| 33 | } |
| 34 | |
| 35 | for (unsigned int i = 0; i < m_DimData[dimension].m_DimSize; i++) |
| 36 | { |
| 37 | Unroll(operationFunc, dimension + 1, inData0, inData1, outData); |
| 38 | |
| 39 | inData0 += m_DimData[dimension].m_Stride1; |
| 40 | inData1 += m_DimData[dimension].m_Stride2; |
| 41 | outData += m_DimData[dimension].m_StrideOut; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | private: |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 46 | // Struct to hold the dimension data. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 47 | struct BroadcastDimensionData |
| 48 | { |
| 49 | unsigned int m_DimSize; |
| 50 | unsigned int m_StrideOut; |
| 51 | unsigned int m_Stride1; |
| 52 | unsigned int m_Stride2; |
| 53 | }; |
| 54 | |
| 55 | std::vector<BroadcastDimensionData> m_DimData; |
| 56 | }; |
| 57 | |
| 58 | } //namespace armnn |