1 | /* |
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2 | * $Id: test.cpp 88 2008-12-10 18:31:39Z rosiere $ |
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3 | * |
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4 | * [ Description ] |
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5 | * |
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6 | * Test |
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7 | */ |
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8 | |
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9 | #define NB_ITERATION 1 |
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10 | #define CYCLE_MAX (10000*NB_ITERATION) |
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11 | |
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12 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/SelfTest/include/test.h" |
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13 | #include "Common/include/Test.h" |
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14 | #include "Behavioural/include/Allocation.h" |
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15 | #include "Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/SelfTest/include/test_BTB.h" |
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16 | |
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17 | void test (string name, |
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18 | morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::branch_target_buffer::Parameters * _param) |
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19 | { |
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20 | msg(_("<%s> : Simulation SystemC.\n"),name.c_str()); |
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21 | |
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22 | #ifdef STATISTICS |
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23 | morpheo::behavioural::Parameters_Statistics * _parameters_statistics = new morpheo::behavioural::Parameters_Statistics (5,CYCLE_MAX); |
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24 | #endif |
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25 | |
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26 | Tusage_t _usage = USE_ALL; |
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27 | |
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28 | // _usage = usage_unset(_usage,USE_SYSTEMC ); |
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29 | // _usage = usage_unset(_usage,USE_VHDL ); |
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30 | // _usage = usage_unset(_usage,USE_VHDL_TESTBENCH ); |
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31 | // _usage = usage_unset(_usage,USE_VHDL_TESTBENCH_ASSERT); |
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32 | // _usage = usage_unset(_usage,USE_POSITION ); |
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33 | // _usage = usage_unset(_usage,USE_STATISTICS ); |
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34 | // _usage = usage_unset(_usage,USE_INFORMATION ); |
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35 | |
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36 | Branch_Target_Buffer * _Branch_Target_Buffer = new Branch_Target_Buffer |
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37 | (name.c_str(), |
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38 | #ifdef STATISTICS |
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39 | _parameters_statistics, |
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40 | #endif |
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41 | _param, |
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42 | _usage); |
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43 | |
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44 | #ifdef SYSTEMC |
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45 | /********************************************************************* |
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46 | * Déclarations des signaux |
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47 | *********************************************************************/ |
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48 | string rename; |
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49 | |
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50 | sc_clock * in_CLOCK = new sc_clock ("clock", 1.0, 0.5); |
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51 | sc_signal<Tcontrol_t> * in_NRESET = new sc_signal<Tcontrol_t> ("NRESET"); |
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52 | |
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53 | ALLOC1_SC_SIGNAL( in_PREDICT_VAL ," in_PREDICT_VAL ",Tcontrol_t ,_param->_nb_inst_predict); |
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54 | ALLOC1_SC_SIGNAL(out_PREDICT_ACK ,"out_PREDICT_ACK ",Tcontrol_t ,_param->_nb_inst_predict); |
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55 | ALLOC1_SC_SIGNAL( in_PREDICT_CONTEXT_ID ," in_PREDICT_CONTEXT_ID ",Tcontext_t ,_param->_nb_inst_predict); |
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56 | ALLOC1_SC_SIGNAL( in_PREDICT_ADDRESS ," in_PREDICT_ADDRESS ",Tgeneral_data_t ,_param->_nb_inst_predict); |
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57 | ALLOC1_SC_SIGNAL(out_PREDICT_HIT ,"out_PREDICT_HIT ",Tcontrol_t ,_param->_nb_inst_predict); |
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58 | ALLOC1_SC_SIGNAL(out_PREDICT_ADDRESS_SRC ,"out_PREDICT_ADDRESS_SRC ",Tgeneral_data_t ,_param->_nb_inst_predict); |
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59 | ALLOC1_SC_SIGNAL(out_PREDICT_ADDRESS_DEST ,"out_PREDICT_ADDRESS_DEST ",Tgeneral_data_t ,_param->_nb_inst_predict); |
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60 | ALLOC1_SC_SIGNAL(out_PREDICT_CONDITION ,"out_PREDICT_CONDITION ",Tbranch_condition_t,_param->_nb_inst_predict); |
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61 | ALLOC1_SC_SIGNAL(out_PREDICT_LAST_TAKE ,"out_PREDICT_LAST_TAKE ",Tcontrol_t ,_param->_nb_inst_predict); |
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62 | ALLOC1_SC_SIGNAL(out_PREDICT_IS_ACCURATE ,"out_PREDICT_IS_ACCURATE ",Tcontrol_t ,_param->_nb_inst_predict); |
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63 | ALLOC1_SC_SIGNAL( in_DECOD_VAL ," in_DECOD_VAL ",Tcontrol_t ,_param->_nb_inst_decod); |
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64 | ALLOC1_SC_SIGNAL(out_DECOD_ACK ,"out_DECOD_ACK ",Tcontrol_t ,_param->_nb_inst_decod); |
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65 | ALLOC1_SC_SIGNAL( in_DECOD_CONTEXT_ID ," in_DECOD_CONTEXT_ID ",Tcontext_t ,_param->_nb_inst_decod); |
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66 | ALLOC1_SC_SIGNAL( in_DECOD_ADDRESS_SRC ," in_DECOD_ADDRESS_SRC ",Tgeneral_data_t ,_param->_nb_inst_decod); |
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67 | ALLOC1_SC_SIGNAL( in_DECOD_ADDRESS_DEST ," in_DECOD_ADDRESS_DEST ",Tgeneral_data_t ,_param->_nb_inst_decod); |
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68 | ALLOC1_SC_SIGNAL( in_DECOD_CONDITION ," in_DECOD_CONDITION ",Tbranch_condition_t,_param->_nb_inst_decod); |
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69 | ALLOC1_SC_SIGNAL( in_DECOD_LAST_TAKE ," in_DECOD_LAST_TAKE ",Tcontrol_t ,_param->_nb_inst_decod); |
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70 | ALLOC1_SC_SIGNAL( in_DECOD_MISS_PREDICTION ," in_DECOD_MISS_PREDICTION ",Tcontrol_t ,_param->_nb_inst_decod); |
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71 | ALLOC1_SC_SIGNAL( in_DECOD_IS_ACCURATE ," in_DECOD_IS_ACCURATE ",Tcontrol_t ,_param->_nb_inst_decod); |
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72 | ALLOC1_SC_SIGNAL( in_UPDATE_VAL ," in_UPDATE_VAL ",Tcontrol_t ,_param->_nb_inst_update); |
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73 | ALLOC1_SC_SIGNAL(out_UPDATE_ACK ,"out_UPDATE_ACK ",Tcontrol_t ,_param->_nb_inst_update); |
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74 | ALLOC1_SC_SIGNAL( in_UPDATE_CONTEXT_ID ," in_UPDATE_CONTEXT_ID ",Tcontext_t ,_param->_nb_inst_update); |
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75 | ALLOC1_SC_SIGNAL( in_UPDATE_ADDRESS_SRC ," in_UPDATE_ADDRESS_SRC ",Tgeneral_data_t ,_param->_nb_inst_update); |
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76 | ALLOC1_SC_SIGNAL( in_UPDATE_ADDRESS_DEST ," in_UPDATE_ADDRESS_DEST ",Tgeneral_data_t ,_param->_nb_inst_update); |
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77 | ALLOC1_SC_SIGNAL( in_UPDATE_CONDITION ," in_UPDATE_CONDITION ",Tbranch_condition_t,_param->_nb_inst_update); |
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78 | ALLOC1_SC_SIGNAL( in_UPDATE_LAST_TAKE ," in_UPDATE_LAST_TAKE ",Tcontrol_t ,_param->_nb_inst_update); |
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79 | ALLOC1_SC_SIGNAL( in_UPDATE_MISS_PREDICTION," in_UPDATE_MISS_PREDICTION",Tcontrol_t ,_param->_nb_inst_update); |
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80 | |
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81 | /******************************************************** |
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82 | * Instanciation |
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83 | ********************************************************/ |
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84 | |
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85 | msg(_("<%s> : Instanciation of _Branch_Target_Buffer.\n"),name.c_str()); |
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86 | |
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87 | (*(_Branch_Target_Buffer->in_CLOCK)) (*(in_CLOCK)); |
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88 | (*(_Branch_Target_Buffer->in_NRESET)) (*(in_NRESET)); |
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89 | |
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90 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_PREDICT_VAL ,_param->_nb_inst_predict); |
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91 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_ACK ,_param->_nb_inst_predict); |
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92 | if (_param->_have_port_context_id) |
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93 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_PREDICT_CONTEXT_ID ,_param->_nb_inst_predict); |
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94 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_PREDICT_ADDRESS ,_param->_nb_inst_predict); |
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95 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_HIT ,_param->_nb_inst_predict); |
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96 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_ADDRESS_SRC ,_param->_nb_inst_predict); |
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97 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_ADDRESS_DEST ,_param->_nb_inst_predict); |
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98 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_CONDITION ,_param->_nb_inst_predict); |
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99 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_LAST_TAKE ,_param->_nb_inst_predict); |
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100 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_PREDICT_IS_ACCURATE ,_param->_nb_inst_predict); |
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101 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_VAL ,_param->_nb_inst_decod); |
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102 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_DECOD_ACK ,_param->_nb_inst_decod); |
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103 | if (_param->_have_port_context_id) |
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104 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_CONTEXT_ID ,_param->_nb_inst_decod); |
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105 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_ADDRESS_SRC ,_param->_nb_inst_decod); |
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106 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_ADDRESS_DEST ,_param->_nb_inst_decod); |
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107 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_CONDITION ,_param->_nb_inst_decod); |
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108 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_LAST_TAKE ,_param->_nb_inst_decod); |
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109 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_MISS_PREDICTION ,_param->_nb_inst_decod); |
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110 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_DECOD_IS_ACCURATE ,_param->_nb_inst_decod); |
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111 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_VAL ,_param->_nb_inst_update); |
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112 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer,out_UPDATE_ACK ,_param->_nb_inst_update); |
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113 | if (_param->_have_port_context_id) |
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114 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_CONTEXT_ID ,_param->_nb_inst_update); |
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115 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_ADDRESS_SRC ,_param->_nb_inst_update); |
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116 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_ADDRESS_DEST ,_param->_nb_inst_update); |
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117 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_CONDITION ,_param->_nb_inst_update); |
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118 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_LAST_TAKE ,_param->_nb_inst_update); |
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119 | INSTANCE1_SC_SIGNAL(_Branch_Target_Buffer, in_UPDATE_MISS_PREDICTION,_param->_nb_inst_update); |
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120 | |
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121 | msg(_("<%s> : Start Simulation ............\n"),name.c_str()); |
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122 | |
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123 | // Initialisation |
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124 | const uint32_t seed = 0; |
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125 | //const uint32_t seed = static_cast<uint32_t>(time(NULL)); |
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126 | |
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127 | srand(seed); |
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128 | |
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129 | const int32_t percent_transaction_decod = 75; |
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130 | const int32_t percent_transaction_predict = 75; |
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131 | |
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132 | SC_START(0); |
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133 | |
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134 | Time * _time = new Time(); |
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135 | |
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136 | /******************************************************** |
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137 | * Simulation - Begin |
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138 | ********************************************************/ |
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139 | |
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140 | { |
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141 | LABEL("Reset"); |
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142 | in_NRESET->write(0); |
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143 | SC_START(5); |
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144 | in_NRESET->write(1); |
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145 | |
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146 | LABEL("Loop of Test"); |
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147 | |
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148 | Taddress_t btb_address [_param->_associativity]; |
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149 | Tcontext_t btb_context [_param->_associativity]; |
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150 | |
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151 | for (uint32_t iteration=0; iteration<NB_ITERATION; iteration ++) |
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152 | { |
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153 | LABEL("Iteration %d",iteration); |
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154 | |
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155 | // FIRST STEP - Test (without sort, with concurent access, same context) |
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156 | |
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157 | // fill a btb line |
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158 | #define NB_REQUEST (8*_param->_associativity) |
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159 | uint32_t nb_request; |
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160 | uint32_t index = rand()&_param->_param_branch_target_buffer_register->_mask_bank; |
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161 | Tcontext_t context = rand()&_param->_nb_context; |
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162 | |
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163 | for (uint32_t j=0; j<_param->_associativity; j++) |
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164 | // btb_val [j] = false; |
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165 | btb_address [j] = static_cast<Taddress_t>(-1); |
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166 | |
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167 | { |
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168 | uint32_t associativity = 0; |
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169 | |
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170 | while (associativity < _param->_associativity) |
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171 | { |
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172 | for (uint32_t j=0; j<_param->_nb_inst_decod; j++) |
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173 | { |
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174 | Taddress_t address = ((associativity << _param->_param_branch_target_buffer_register->_shift_tag) | |
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175 | (index << _param->_param_branch_target_buffer_register->_shift_bank)| |
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176 | (0)); |
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177 | |
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178 | in_DECOD_VAL [j]->write(((rand()%100)<percent_transaction_decod) and ((associativity+j) < _param->_associativity)); |
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179 | in_DECOD_CONTEXT_ID [j]->write(context); |
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180 | in_DECOD_ADDRESS_SRC [j]->write( address ); |
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181 | in_DECOD_ADDRESS_DEST [j]->write(~address ); |
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182 | in_DECOD_CONDITION [j]->write(BRANCH_CONDITION_FLAG_SET); |
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183 | in_DECOD_LAST_TAKE [j]->write(address&1); |
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184 | in_DECOD_MISS_PREDICTION [j]->write(1); |
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185 | in_DECOD_IS_ACCURATE [j]->write(1); |
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186 | } |
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187 | |
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188 | SC_START(0); |
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189 | |
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190 | for (uint32_t j=0; j<_param->_nb_inst_decod; j++) |
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191 | if (in_DECOD_VAL [j]->read() and out_DECOD_ACK [j]->read()) |
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192 | { |
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193 | LABEL("DECOD [%d] Transaction Accepted",j); |
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194 | |
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195 | Taddress_t address = in_DECOD_ADDRESS_SRC [j]->read(); |
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196 | |
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197 | btb_address[associativity] = address; |
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198 | btb_context[associativity] = context; |
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199 | associativity ++; |
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200 | } |
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201 | |
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202 | SC_START(1); |
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203 | } |
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204 | } |
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205 | |
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206 | nb_request = 0; |
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207 | |
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208 | while (nb_request < NB_REQUEST) |
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209 | { |
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210 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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211 | { |
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212 | in_PREDICT_VAL [i]->write(((rand()%100)<percent_transaction_predict)); |
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213 | in_PREDICT_CONTEXT_ID [i]->write(rand()&_param->_nb_context); |
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214 | in_PREDICT_ADDRESS [i]->write(gen_addr(_param->_param_branch_target_buffer_register,index)); |
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215 | } |
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216 | |
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217 | SC_START(0); |
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218 | |
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219 | for (uint32_t i=0; i<_param->_nb_inst_predict; i++) |
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220 | if (in_PREDICT_VAL [i]->read() and out_PREDICT_ACK [i]->read()) |
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221 | { |
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222 | LABEL("PREDICT [%d] Transaction Accepted",i); |
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223 | |
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224 | Tcontrol_t hit = out_PREDICT_HIT [i]->read(); |
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225 | Taddress_t address = in_PREDICT_ADDRESS [i]->read(); |
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226 | Taddress_t address_src = out_PREDICT_ADDRESS_SRC [i]->read(); |
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227 | Taddress_t address_dest = out_PREDICT_ADDRESS_DEST [i]->read(); |
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228 | |
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229 | Taddress_t tag = address >> _param->_param_branch_target_buffer_register->_shift_tag; |
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230 | |
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231 | Tcontrol_t my_hit = false; |
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232 | Tcontrol_t my_addr; |
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233 | |
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234 | for (uint32_t i=0; i<_param->_associativity; i++) |
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235 | { |
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236 | Taddress_t btb_address [_param->_associativity]; |
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237 | Tcontext_t btb_context [_param->_associativity]; |
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238 | } |
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239 | |
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240 | if (hit) |
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241 | { |
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242 | TEST(Tbranch_condition_t,out_PREDICT_CONDITION [i]->read(),BRANCH_CONDITION_FLAG_SET); |
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243 | TEST(Tcontrol_t ,out_PREDICT_LAST_TAKE [i]->read(),address_src&1); |
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244 | // TEST(Tcontrol_t ,out_PREDICT_IS_ACCURATE [i]->read(), ); |
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245 | } |
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246 | |
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247 | nb_request ++; |
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248 | } |
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249 | |
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250 | SC_START(1); |
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251 | } |
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252 | } |
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253 | } |
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254 | |
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255 | /******************************************************** |
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256 | * Simulation - End |
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257 | ********************************************************/ |
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258 | |
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259 | TEST_OK ("End of Simulation"); |
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260 | delete _time; |
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261 | |
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262 | msg(_("<%s> : ............ Stop Simulation\n"),name.c_str()); |
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263 | |
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264 | delete in_CLOCK; |
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265 | delete in_NRESET; |
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266 | |
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267 | delete [] in_PREDICT_VAL ; |
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268 | delete [] out_PREDICT_ACK ; |
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269 | delete [] in_PREDICT_CONTEXT_ID ; |
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270 | delete [] in_PREDICT_ADDRESS ; |
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271 | delete [] out_PREDICT_HIT ; |
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272 | delete [] out_PREDICT_ADDRESS_SRC ; |
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273 | delete [] out_PREDICT_ADDRESS_DEST ; |
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274 | delete [] out_PREDICT_CONDITION ; |
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275 | delete [] out_PREDICT_LAST_TAKE ; |
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276 | delete [] out_PREDICT_IS_ACCURATE ; |
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277 | |
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278 | delete [] in_DECOD_VAL ; |
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279 | delete [] out_DECOD_ACK ; |
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280 | delete [] in_DECOD_CONTEXT_ID ; |
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281 | delete [] in_DECOD_ADDRESS_SRC ; |
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282 | delete [] in_DECOD_ADDRESS_DEST ; |
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283 | delete [] in_DECOD_CONDITION ; |
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284 | delete [] in_DECOD_LAST_TAKE ; |
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285 | delete [] in_DECOD_MISS_PREDICTION ; |
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286 | delete [] in_DECOD_IS_ACCURATE ; |
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287 | |
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288 | delete [] in_UPDATE_VAL ; |
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289 | delete [] out_UPDATE_ACK ; |
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290 | delete [] in_UPDATE_CONTEXT_ID ; |
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291 | delete [] in_UPDATE_ADDRESS_SRC ; |
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292 | delete [] in_UPDATE_ADDRESS_DEST ; |
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293 | delete [] in_UPDATE_CONDITION ; |
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294 | delete [] in_UPDATE_LAST_TAKE ; |
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295 | delete [] in_UPDATE_MISS_PREDICTION; |
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296 | #endif |
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297 | |
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298 | delete _Branch_Target_Buffer; |
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299 | #ifdef STATISTICS |
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300 | delete _parameters_statistics; |
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301 | #endif |
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302 | } |
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