1 | #!/usr/bin/env python2.7 |
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2 | |
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3 | import onerun |
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4 | import os |
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5 | import random |
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6 | from math import ceil |
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7 | from sys import exit |
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8 | |
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9 | class RunArguments: |
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10 | def __init__(self, name, x, y): |
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11 | self.path = os.getcwd() |
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12 | self.outpath = name |
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13 | self.x = x |
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14 | self.y = y |
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15 | self.nprocs = 4 |
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16 | self.compileonly = False |
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17 | self.batchmode = True |
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18 | self.faultyrouter = [] |
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19 | self.faultymask = 0xF |
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20 | self.faultycore = [] |
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21 | self.debug = None |
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22 | self.linux = False |
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23 | self.force = True |
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24 | self.firmdebug = False |
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25 | self.diskimage = "/dev/null" |
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26 | self.ncycles = -1 |
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27 | self.threads = -1 |
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28 | |
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29 | self.xmax = self.x - 1 |
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30 | self.ymax = self.y - 1 |
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31 | self.pmax = self.nprocs - 1 |
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32 | |
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33 | # init random number generator |
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34 | random.seed() |
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35 | |
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36 | def add_faultyrouter(self, x): |
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37 | if x in self.faultyrouter: |
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38 | return False |
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39 | |
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40 | self.faultyrouter.append(x) |
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41 | return True |
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42 | |
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43 | def add_faultycore(self, x): |
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44 | if x in self.faultycore: |
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45 | return False |
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46 | |
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47 | self.faultycore.append(x) |
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48 | return True |
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49 | |
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50 | def init_faultyrouter(self, x): |
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51 | if x == None: return |
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52 | self.faultyrouter = x |
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53 | |
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54 | def init_faultycore(self, x): |
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55 | if x == None: return |
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56 | self.faultycore = x |
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57 | |
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58 | def get_faultycount(self, total, pct): |
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59 | """ |
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60 | Returns the number of faulty elements in a population |
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61 | Arguments: |
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62 | total -- Total number of elements |
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63 | pct -- Percentage of faulty elements |
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64 | """ |
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65 | return int(ceil(total * float(pct)/100)) |
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66 | |
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67 | def get_faultycorecount(self, pct): |
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68 | """ |
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69 | Returns the number of faulty cores in the platform |
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70 | Arguments: |
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71 | pct -- Percentage of faulty cores |
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72 | """ |
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73 | return self.get_faultycount(self.get_totalcores(), pct) |
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74 | |
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75 | def get_faultyroutercount(self, pct): |
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76 | """ |
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77 | Returns the number of faulty routers in the platform |
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78 | Arguments: |
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79 | pct -- Percentage of faulty routers |
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80 | """ |
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81 | return self.get_faultycount(self.get_totalclusters(), pct) |
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82 | |
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83 | def get_totalclusters(self): |
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84 | return self.x * self.y |
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85 | |
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86 | def get_totalcores(self): |
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87 | return self.get_totalclusters() * self.nprocs |
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88 | |
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89 | # activate the different kinds of simulation |
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90 | SIM_FAULTFREE = False |
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91 | SIM_FAULTCORES = False |
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92 | SIM_FAULTROUTERS = False |
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93 | SIM_FAULTMIXED = False |
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94 | SIM_CUSTOM = True |
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95 | |
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96 | # probability of faulty router (for mixed simul) |
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97 | SIM_FAULTMIXED_PROBROUTER = 0.05 # 5% |
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98 | |
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99 | # NoC index for faulty routers |
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100 | CMD = 0 |
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101 | RSP = 1 |
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102 | |
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103 | # Mesh parameters list |
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104 | MESH = [] |
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105 | MESH.append((2, 2)) |
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106 | MESH.append((2, 4)) |
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107 | MESH.append((4, 4)) |
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108 | MESH.append((4, 8)) |
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109 | #MESH.append((8, 8)) |
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110 | |
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111 | for xsize, ysize in MESH: |
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112 | if SIM_FAULTFREE: |
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113 | # --------------------------------------------------------------------- |
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114 | # simulation without faults |
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115 | # --------------------------------------------------------------------- |
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116 | cfgname = 'output_{0}_{1}'.format(xsize, ysize) |
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117 | args = RunArguments(cfgname, xsize, ysize) |
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118 | onerun.run(args) |
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119 | |
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120 | if SIM_CUSTOM: |
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121 | # ----------------------------------------------------------------- |
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122 | # simulation with list of faulty routers and cores |
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123 | # ----------------------------------------------------------------- |
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124 | cfgname = 'output_custom_{0}_{1}_fc'.format(xsize, ysize) |
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125 | args = RunArguments(cfgname, xsize, ysize) |
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126 | # args.add_faultyrouter((RSP, args.xmax - 1, args.ymax - 1)) |
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127 | args.add_faultycore((0, 0, 0)) |
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128 | onerun.run(args) |
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129 | |
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130 | for pct in xrange(5, 60, 5): # 5, 10, ..., 55 |
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131 | if SIM_FAULTCORES: |
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132 | # ----------------------------------------------------------------- |
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133 | # simulation with random faulty cores |
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134 | # ----------------------------------------------------------------- |
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135 | cfgname = 'output_core_{0}_{1}_{2}'.format(xsize, ysize, pct) |
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136 | args = RunArguments(cfgname, xsize, ysize) |
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137 | |
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138 | faultycount = args.get_faultycorecount(pct) |
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139 | print "{0}/{1} faulty cores\n".\ |
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140 | format(faultycount, args.get_totalcores()) |
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141 | |
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142 | n = 0 |
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143 | while n < faultycount: |
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144 | cx = random.randint(0, args.xmax) |
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145 | cy = random.randint(0, args.ymax) |
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146 | cl = random.randint(0, args.pmax) |
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147 | if args.add_faultycore((cx, cy, cl)): n += 1 |
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148 | |
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149 | onerun.run(args) |
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150 | |
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151 | if SIM_FAULTROUTERS: |
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152 | # ----------------------------------------------------------------- |
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153 | # simulation with random faulty routers |
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154 | # ----------------------------------------------------------------- |
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155 | cfgname = 'output_router_{0}_{1}_{2}'.format(xsize, ysize, pct) |
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156 | args = RunArguments(cfgname, xsize, ysize) |
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157 | |
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158 | faultycount = args.get_faultyroutercount(pct) |
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159 | print "{0}/{1} faulty routers\n".\ |
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160 | format(faultycount, args.get_totalclusters()) |
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161 | |
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162 | n = 0 |
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163 | while n < faultycount: |
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164 | cx = random.randint(0, args.xmax) |
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165 | cy = random.randint(0, args.ymax) |
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166 | if args.add_faultyrouter((CMD, cx, cy)): n += 1 |
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167 | |
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168 | onerun.run(args) |
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169 | |
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170 | if SIM_FAULTMIXED: |
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171 | # ----------------------------------------------------------------- |
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172 | # simulation with random faulty routers and cores |
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173 | # ----------------------------------------------------------------- |
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174 | cfgname = 'output_mixed_{0}_{1}_{2}'.format(xsize, ysize, pct) |
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175 | args = RunArguments(cfgname, xsize, ysize) |
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176 | |
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177 | total = args.get_totalclusters() + args.get_totalcores() |
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178 | faultycount = args.get_faultycount(total, pct) |
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179 | |
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180 | print "\nprobability of faulty routers: {0}".\ |
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181 | format(SIM_FAULTMIXED_PROBROUTER) |
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182 | fr = 0 |
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183 | fc = 0 |
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184 | while (fr + fc) < faultycount: |
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185 | cx = random.randint(0, args.xmax) |
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186 | cy = random.randint(0, args.ymax) |
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187 | if (random.random() < SIM_FAULTMIXED_PROBROUTER): |
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188 | # add faulty router |
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189 | fr += 1 |
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190 | while not args.add_faultyrouter((CMD, cx, cy)): |
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191 | cx = random.randint(0, args.xmax) |
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192 | cy = random.randint(0, args.ymax) |
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193 | |
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194 | else: |
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195 | # add faulty core |
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196 | fc += 1 |
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197 | cl = random.randint(0, args.pmax) |
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198 | while not args.add_faultycore((cx, cy, cl)): |
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199 | cx = random.randint(0, args.xmax) |
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200 | cy = random.randint(0, args.ymax) |
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201 | cl = random.randint(0, args.pmax) |
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202 | |
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203 | print "faulty routers / faulty cores = {0} / {1}".format(fr, fc) |
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204 | onerun.run(args) |
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205 | |
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206 | # vim: ts=4 : sts=4 : sw=4 : et |
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