| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "lukin_i_ench_contr_lin_hist/tbb/include/ops_tbb.hpp" | ||
| 2 | |||
| 3 | #include <tbb/tbb.h> | ||
| 4 | |||
| 5 | #include <algorithm> | ||
| 6 | #include <utility> | ||
| 7 | #include <vector> | ||
| 8 | |||
| 9 | #include "lukin_i_ench_contr_lin_hist/common/include/common.hpp" | ||
| 10 | #include "oneapi/tbb/parallel_for.h" | ||
| 11 | |||
| 12 | namespace lukin_i_ench_contr_lin_hist { | ||
| 13 | |||
| 14 | using MinMax = std::pair<unsigned char, unsigned char>; | ||
| 15 | |||
| 16 |
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16 | LukinITestTaskTBB::LukinITestTaskTBB(const InType &in) { |
| 17 | SetTypeOfTask(GetStaticTypeOfTask()); | ||
| 18 |
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16 | GetInput() = in; |
| 19 |
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16 | GetOutput() = OutType(GetInput().size()); |
| 20 | 16 | } | |
| 21 | |||
| 22 | 16 | bool LukinITestTaskTBB::ValidationImpl() { | |
| 23 | 16 | return !(GetInput().empty()); | |
| 24 | } | ||
| 25 | |||
| 26 | 16 | bool LukinITestTaskTBB::PreProcessingImpl() { | |
| 27 | 16 | return true; | |
| 28 | } | ||
| 29 | |||
| 30 | 16 | bool LukinITestTaskTBB::RunImpl() { | |
| 31 | const auto &input = GetInput(); | ||
| 32 | auto &output = GetOutput(); | ||
| 33 | |||
| 34 | 16 | unsigned char min = 255; | |
| 35 | unsigned char max = 0; | ||
| 36 | |||
| 37 | 16 | const int size = static_cast<int>(input.size()); | |
| 38 | |||
| 39 | 16 | auto result = tbb::parallel_reduce(tbb::blocked_range<int>(0, size), MinMax(min, max), | |
| 40 | 16 | [&](const tbb::blocked_range<int> &r, MinMax local) { | |
| 41 | 5245 | unsigned char local_min = local.first; | |
| 42 | 5245 | unsigned char local_max = local.second; | |
| 43 | |||
| 44 |
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1385597 | for (int i = r.begin(); i < r.end(); i++) { |
| 45 | 1380352 | unsigned char curr = input[i]; | |
| 46 | 1380352 | local_max = std::max(local_max, curr); | |
| 47 | 1380352 | local_min = std::min(local_min, curr); | |
| 48 | } | ||
| 49 | |||
| 50 | 5245 | return MinMax(local_min, local_max); | |
| 51 | 16 | }, [](MinMax left, MinMax right) { | |
| 52 | return MinMax(std::min(left.first, right.first), std::max(left.second, right.second)); | ||
| 53 | }); | ||
| 54 | |||
| 55 | 16 | min = result.first; | |
| 56 | max = result.second; | ||
| 57 | |||
| 58 |
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16 | if (max == min) { |
| 59 | 4 | output = input; | |
| 60 | 4 | return true; | |
| 61 | } | ||
| 62 | |||
| 63 | 12 | float scale = 255.0F / static_cast<float>(max - min); | |
| 64 | |||
| 65 | 3934 | tbb::parallel_for(tbb::blocked_range<int>(0, size), [&](const tbb::blocked_range<int> &r) { | |
| 66 |
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1380178 | for (int i = r.begin(); i < r.end(); i++) { |
| 67 | 1376256 | output[i] = static_cast<unsigned char>(static_cast<float>(input[i] - min) * scale); | |
| 68 | } | ||
| 69 | 3922 | }); | |
| 70 | |||
| 71 | 12 | return true; | |
| 72 | } | ||
| 73 | |||
| 74 | 16 | bool LukinITestTaskTBB::PostProcessingImpl() { | |
| 75 | 16 | return true; | |
| 76 | } | ||
| 77 | |||
| 78 | } // namespace lukin_i_ench_contr_lin_hist | ||
| 79 |