[843] | 1 | |
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| 2 | #ifndef _ensemblevariables_hpp_ |
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| 3 | #define _ensemblevariables_hpp_ |
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| 4 | |
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| 5 | #include "functions.h" |
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| 6 | #include "Variable.hpp" |
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| 7 | |
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| 8 | #include <cstdio> |
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| 9 | #include <iostream> |
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| 10 | #include <sstream> |
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| 11 | #include <iomanip> |
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| 12 | |
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| 13 | using namespace std; |
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| 14 | |
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| 15 | class EnsembleVariables { |
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| 16 | |
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| 17 | int nb_vars; |
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| 18 | int nb_procs; |
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| 19 | int nb_diff_CL; |
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| 20 | int cache_lines; |
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| 21 | int line_size; |
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| 22 | int nb_lines_uncached; |
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| 23 | int tab_size_digits; |
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| 24 | Variable * LesVariables; |
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| 25 | |
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| 26 | void setnPubROWO(int n, int mode) { |
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| 27 | // mode = 0 : -> RO; mode = 1 : -> WO; mode = 2 -> Private |
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| 28 | // Les seules variables pouvant être mises en RO, en WO ou en private sont les variables publiques RW |
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| 29 | int nb_pub_rw = 0; |
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| 30 | for (int i = 0; i < nb_vars; i++) { |
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| 31 | if (LesVariables[i].getProc() == -1 && LesVariables[i].isRW()) { |
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| 32 | nb_pub_rw += 1; |
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| 33 | } |
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| 34 | } |
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| 35 | if (n > nb_pub_rw) { |
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| 36 | fprintf(stderr,"Error in function %s: cannot change attribute on as many variables\n",__func__); |
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| 37 | } |
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| 38 | int index; |
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| 39 | int index_to_set; |
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| 40 | for (int i = 0; i < n; i++) { |
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| 41 | index = randint(0,nb_pub_rw - 1); |
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| 42 | index_to_set = 0; |
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| 43 | for (int j = 0; j < index; j++) { |
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| 44 | index_to_set++; |
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| 45 | while (LesVariables[index_to_set].getProc() != -1 || !LesVariables[index_to_set].isRW()) { |
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| 46 | index_to_set++; |
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| 47 | } |
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| 48 | } |
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| 49 | |
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| 50 | if (mode == 0) { |
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| 51 | LesVariables[index_to_set].setRO(); |
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| 52 | } |
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| 53 | else if (mode == 1) { |
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| 54 | LesVariables[index_to_set].setWO(); |
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| 55 | } |
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| 56 | else { |
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| 57 | assert(mode == 2); |
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| 58 | int proc = randint(0,nb_procs - 1); |
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| 59 | LesVariables[index_to_set].setPrivate(proc); |
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| 60 | } |
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| 61 | nb_pub_rw--; |
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| 62 | } |
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| 63 | |
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| 64 | } |
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| 65 | |
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| 66 | public: |
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| 67 | |
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| 68 | EnsembleVariables(int nb_vars, int nb_procs, int nb_diff_CL, int cache_lines, int line_size, int nb_lines_uncached, int tab_size) { |
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| 69 | this->nb_vars = nb_vars; |
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| 70 | this->nb_procs = nb_procs; |
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| 71 | this->nb_diff_CL = nb_diff_CL; |
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| 72 | this->cache_lines = cache_lines; |
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| 73 | this->line_size = line_size; |
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| 74 | this->nb_lines_uncached = nb_lines_uncached; |
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| 75 | this->tab_size_digits = (int) ceil(log10(tab_size)); |
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| 76 | LesVariables = new Variable[nb_vars + nb_lines_uncached*line_size]; |
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| 77 | for (int i = nb_vars; i < nb_vars + nb_lines_uncached * line_size; i++) { |
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| 78 | LesVariables[i].setUncached(); |
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| 79 | LesVariables[i].setROorWO(); |
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| 80 | } |
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| 81 | } |
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| 82 | |
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| 83 | void setnPubRO(int n) { |
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| 84 | setnPubROWO(n, 0); |
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| 85 | } |
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| 86 | |
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| 87 | void setnPubWO(int n) { |
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| 88 | setnPubROWO(n, 1); |
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| 89 | } |
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| 90 | |
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| 91 | void setnPrivate(int n) { |
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| 92 | setnPubROWO(n, 2); |
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| 93 | } |
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| 94 | |
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| 95 | void setnPrivROWO(void) { |
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| 96 | // change les variables privées en RO ou WO, avec une probabilité de 20% pour chaque |
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| 97 | // Eventuellement changer l'interface en : changer strictement n variables privées en RO ou WO, comme pour le cas public |
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| 98 | for (int i = 0; i < nb_vars; i++) { |
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| 99 | if (LesVariables[i].getProc() != -1 && LesVariables[i].isRW()) { |
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| 100 | int r = randint(1,5); |
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| 101 | if (r == 1) { |
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| 102 | LesVariables[i].setRO(); |
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| 103 | } |
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| 104 | else if (r == 2) { |
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| 105 | LesVariables[i].setWO(); |
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| 106 | } |
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| 107 | } |
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| 108 | } |
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| 109 | } |
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| 110 | |
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| 111 | string writeVariablesNature() { |
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| 112 | assert(nb_vars % line_size == 0); |
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| 113 | |
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| 114 | stringstream res; |
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| 115 | res << "/*******************" << endl; |
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| 116 | res << "* Variables Nature *" << endl; |
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| 117 | res << "*******************/" << endl; |
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| 118 | |
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| 119 | for (int i = 0; i < (nb_vars / line_size) + nb_lines_uncached; i++) { |
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| 120 | if (i == 0) { |
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| 121 | res << "/*"; |
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| 122 | } |
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| 123 | else { |
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| 124 | res << " *"; |
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| 125 | } |
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| 126 | for (int j = 0; j < line_size; j++) { |
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| 127 | int var_index = i * line_size + j; |
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| 128 | int tab_index = index2realindex(var_index, nb_diff_CL, cache_lines, line_size); |
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| 129 | res << " [" << setw(tab_size_digits) << tab_index << "]"; |
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| 130 | if (LesVariables[var_index].isPublic()) { |
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| 131 | res << "Pub "; |
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| 132 | } |
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| 133 | else { |
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| 134 | res << setw(3) << LesVariables[var_index].getProc() << " "; |
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| 135 | } |
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| 136 | if (LesVariables[var_index].isRW()) { |
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| 137 | res << "RW "; |
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| 138 | } |
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| 139 | else if (LesVariables[var_index].isRO()) { |
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| 140 | res << "RO "; |
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| 141 | } |
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| 142 | else { |
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| 143 | assert(LesVariables[var_index].isWO()); |
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| 144 | res << "WO "; |
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| 145 | } |
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| 146 | if (LesVariables[var_index].isUnc()) { |
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| 147 | res << "(U)"; |
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| 148 | } |
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| 149 | else { |
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| 150 | res << " "; |
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| 151 | } |
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| 152 | } |
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| 153 | res << endl; |
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| 154 | } |
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| 155 | res << " */" << endl; |
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| 156 | return res.str(); |
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| 157 | } |
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| 158 | |
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| 159 | string writePrivateAccesses(int proc_id) { |
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| 160 | stringstream res; |
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| 161 | for (int i = 0; i < nb_vars; i++) { |
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| 162 | int tab_index = index2realindex(i, nb_diff_CL, cache_lines, line_size); |
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| 163 | if (LesVariables[i].isPrivate(proc_id)) { |
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| 164 | if (LesVariables[i].isRW()) { |
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| 165 | res << " tab[" << tab_index << "]++; // variable privee au proc " << proc_id << endl; |
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| 166 | } |
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| 167 | else if (LesVariables[i].isRO()) { |
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| 168 | res << " local_var = tab[" << tab_index << "]; // variable privee au proc " << proc_id << " et en RO" << endl; |
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| 169 | } |
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| 170 | else { |
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| 171 | assert(LesVariables[i].isWO()); |
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| 172 | res << " tab[" << tab_index << "] = 1; // variable privee au proc " << proc_id << " et en WO" << endl; |
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| 173 | } |
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| 174 | } |
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| 175 | } |
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| 176 | return res.str(); |
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| 177 | } |
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| 178 | |
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| 179 | |
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| 180 | int getVarCount(int proc_id) { |
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| 181 | // Retourne le nombre de variables pouvant être utilisées par le processeur proc_id |
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| 182 | int n = 0; |
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| 183 | for (int i = 0; i < nb_vars + nb_lines_uncached * line_size; i++) { |
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| 184 | if (LesVariables[i].isPublic() || LesVariables[i].isPrivate(proc_id)) { |
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| 185 | n++; |
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| 186 | } |
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| 187 | } |
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| 188 | return n; |
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| 189 | } |
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| 190 | |
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| 191 | bool isPublic(int var_index) { |
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| 192 | return LesVariables[var_index].isPublic(); |
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| 193 | } |
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| 194 | |
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| 195 | bool isRW(int var_index) { |
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| 196 | return LesVariables[var_index].isRW(); |
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| 197 | } |
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| 198 | |
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| 199 | bool isRO(int var_index) { |
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| 200 | return LesVariables[var_index].isRO(); |
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| 201 | } |
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| 202 | |
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| 203 | bool isWO(int var_index) { |
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| 204 | return LesVariables[var_index].isWO(); |
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| 205 | } |
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| 206 | |
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| 207 | bool isUnc(int var_index) { |
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| 208 | return LesVariables[var_index].isUnc(); |
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| 209 | } |
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| 210 | |
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| 211 | bool isPrivate(int var_index, int proc_id) { |
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| 212 | return LesVariables[var_index].isPrivate(proc_id); |
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| 213 | } |
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| 214 | |
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| 215 | }; |
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| 216 | |
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| 217 | #endif |
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| 218 | |
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