[110] | 1 | /* |
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| 2 | * $Id: Parameters.cpp 128 2009-06-26 08:43:23Z rosiere $ |
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| 3 | * |
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| 4 | * [ Description ] |
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| 5 | * |
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| 6 | */ |
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| 7 | |
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| 8 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/include/Parameters.h" |
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[111] | 9 | #include "Behavioural/include/Allocation.h" |
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[110] | 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace core { |
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| 14 | namespace multi_front_end { |
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| 15 | namespace front_end { |
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| 16 | namespace prediction_unit { |
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| 17 | namespace direction { |
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| 18 | namespace meta_predictor { |
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| 19 | |
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| 20 | |
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| 21 | #undef FUNCTION |
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| 22 | #define FUNCTION "Meta_Predictor::Parameters" |
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[111] | 23 | Parameters::Parameters (uint32_t nb_inst_predict , |
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| 24 | uint32_t nb_inst_update , |
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| 25 | uint32_t size_address , |
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| 26 | bool have_bht [3], |
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| 27 | uint32_t bht_size_shifter [3], |
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| 28 | uint32_t bht_nb_shifter [3], |
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| 29 | bool have_pht [3], |
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| 30 | uint32_t pht_size_counter [3], |
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| 31 | uint32_t pht_nb_counter [3], |
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| 32 | uint32_t pht_size_address_share [3], |
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| 33 | bool is_toplevel) |
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[110] | 34 | { |
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| 35 | log_begin(Meta_Predictor,FUNCTION); |
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| 36 | |
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[111] | 37 | _nb_inst_predict = nb_inst_predict ; |
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| 38 | _nb_inst_update = nb_inst_update ; |
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| 39 | _size_address = size_address ; |
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| 40 | for (uint32_t i=0; i<3; ++i) |
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| 41 | { |
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| 42 | _have_bht [i] = have_bht [i]; |
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| 43 | _bht_size_shifter [i] = (_have_bht [i])?bht_size_shifter [i]:0; |
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| 44 | _bht_nb_shifter [i] = (_have_bht [i])?bht_nb_shifter [i]:0; |
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| 45 | _have_pht [i] = have_pht [i]; |
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| 46 | _pht_size_counter [i] = (_have_pht [i])?pht_size_counter [i]:0; |
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| 47 | _pht_nb_counter [i] = (_have_pht [i])?pht_nb_counter [i]:0; |
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| 48 | _pht_size_address_share [i] = (_have_bht[i] and _have_pht [i])?pht_size_address_share [i]:0; |
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| 49 | } |
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| 50 | |
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[110] | 51 | test(); |
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| 52 | |
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[111] | 53 | _have_meta_predictor = (_have_bht [2] or _have_pht [2]); |
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| 54 | _nb_predictor = (_have_meta_predictor)?3:1; |
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| 55 | |
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| 56 | ALLOC1(_predictor_update_on_prediction,bool , _nb_predictor); |
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| 57 | ALLOC1(_predictor_size_history ,uint32_t, _nb_predictor); |
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| 58 | |
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| 59 | // All predictor can update on prediction .... |
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| 60 | for (uint32_t i=0; i<_nb_predictor; ++i) |
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| 61 | _predictor_update_on_prediction [i] = true; |
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| 62 | |
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| 63 | // ... But the selector prediction can't |
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| 64 | if (_have_meta_predictor) |
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| 65 | _predictor_update_on_prediction [_nb_predictor-1] = false; |
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| 66 | |
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[112] | 67 | // // All predictor can't update on prediction .... |
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| 68 | // for (uint32_t i=0; i<_nb_predictor; ++i) |
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| 69 | // _predictor_update_on_prediction [i] = false; |
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| 70 | |
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[111] | 71 | _param_two_level_branch_predictor = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::two_level_branch_predictor::Parameters * [_nb_predictor]; |
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| 72 | for (uint32_t i=0; i<_nb_predictor; ++i) |
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| 73 | { |
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| 74 | _param_two_level_branch_predictor [i] = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::two_level_branch_predictor::Parameters |
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| 75 | (_nb_inst_predict , |
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| 76 | _nb_inst_update , |
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| 77 | _size_address , |
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| 78 | _have_bht [i], |
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| 79 | _bht_size_shifter [i], |
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| 80 | _bht_nb_shifter [i], |
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| 81 | _have_pht [i], |
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| 82 | _pht_size_counter [i], |
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| 83 | _pht_nb_counter [i], |
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| 84 | _pht_size_address_share [i], |
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| 85 | _predictor_update_on_prediction [i] |
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| 86 | ); |
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| 87 | |
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| 88 | _predictor_size_history [i] = _param_two_level_branch_predictor [i]->_size_history; |
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| 89 | } |
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| 90 | |
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| 91 | _param_glue = new morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::direction::meta_predictor::meta_predictor_glue::Parameters |
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| 92 | ( |
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| 93 | _nb_inst_predict , |
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| 94 | _nb_inst_update , |
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| 95 | _nb_predictor , |
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| 96 | _predictor_size_history , |
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| 97 | _predictor_update_on_prediction |
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| 98 | ); |
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| 99 | _size_history = _param_glue->_size_history; |
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| 100 | |
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[110] | 101 | if (is_toplevel) |
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| 102 | { |
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| 103 | copy(); |
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| 104 | } |
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| 105 | |
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| 106 | log_end(Meta_Predictor,FUNCTION); |
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| 107 | }; |
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| 108 | |
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| 109 | // #undef FUNCTION |
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| 110 | // #define FUNCTION "Meta_Predictor::Parameters (copy)" |
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| 111 | // Parameters::Parameters (Parameters & param) |
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| 112 | // { |
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| 113 | // log_begin(Meta_Predictor,FUNCTION); |
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| 114 | // test(); |
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| 115 | // log_end(Meta_Predictor,FUNCTION); |
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| 116 | // }; |
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| 117 | |
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| 118 | #undef FUNCTION |
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| 119 | #define FUNCTION "Meta_Predictor::~Parameters" |
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| 120 | Parameters::~Parameters (void) |
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| 121 | { |
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| 122 | log_begin(Meta_Predictor,FUNCTION); |
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[111] | 123 | |
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[128] | 124 | delete _param_glue; |
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| 125 | for (uint32_t i=0; i<_nb_predictor; ++i) |
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| 126 | delete _param_two_level_branch_predictor [i]; |
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| 127 | delete [] _param_two_level_branch_predictor; |
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[111] | 128 | |
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| 129 | DELETE1(_predictor_size_history , _nb_predictor); |
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| 130 | DELETE1(_predictor_update_on_prediction , _nb_predictor); |
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| 131 | |
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[110] | 132 | log_end(Meta_Predictor,FUNCTION); |
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| 133 | }; |
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| 134 | |
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| 135 | #undef FUNCTION |
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| 136 | #define FUNCTION "Meta_Predictor::copy" |
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| 137 | void Parameters::copy (void) |
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| 138 | { |
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| 139 | log_begin(Meta_Predictor,FUNCTION); |
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[111] | 140 | |
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| 141 | COPY(_param_glue); |
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| 142 | for (uint32_t i=0; i<_nb_predictor; ++i) |
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| 143 | COPY(_param_two_level_branch_predictor [i]); |
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| 144 | |
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[110] | 145 | log_end(Meta_Predictor,FUNCTION); |
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| 146 | }; |
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| 147 | |
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| 148 | }; // end namespace meta_predictor |
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| 149 | }; // end namespace direction |
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| 150 | }; // end namespace prediction_unit |
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| 151 | }; // end namespace front_end |
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| 152 | }; // end namespace multi_front_end |
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| 153 | }; // end namespace core |
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| 154 | |
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| 155 | }; // end namespace behavioural |
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| 156 | }; // end namespace morpheo |
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