| Guido van Rossum | 189f8fb | 1995-03-30 09:42:43 +0000 | [diff] [blame] | 1 | #! /usr/local/bin/python |
| 2 | |
| 3 | """ |
| 4 | "PYSTONE" Benchmark Program |
| 5 | |
| 6 | Version: Python/1.0 (corresponds to C/1.1) |
| 7 | |
| 8 | Author: Reinhold P. Weicker, CACM Vol 27, No 10, 10/84 pg. 1013. |
| 9 | |
| 10 | Translated from ADA to C by Rick Richardson. |
| 11 | Every method to preserve ADA-likeness has been used, |
| 12 | at the expense of C-ness. |
| 13 | |
| 14 | Translated from C to Python by Guido van Rossum. |
| 15 | """ |
| 16 | |
| 17 | LOOPS = 1000 |
| 18 | |
| 19 | from time import clock |
| 20 | |
| 21 | __version__ = "1.0" |
| 22 | |
| 23 | [Ident1, Ident2, Ident3, Ident4, Ident5] = range(1, 6) |
| 24 | |
| 25 | class Record: |
| 26 | |
| 27 | def __init__(self, PtrComp = None, Discr = 0, EnumComp = 0, |
| 28 | IntComp = 0, StringComp = 0): |
| 29 | self.PtrComp = PtrComp |
| 30 | self.Discr = Discr |
| 31 | self.EnumComp = EnumComp |
| 32 | self.IntComp = IntComp |
| 33 | self.StringComp = StringComp |
| 34 | |
| 35 | def copy(self): |
| 36 | return Record(self.PtrComp, self.Discr, self.EnumComp, |
| 37 | self.IntComp, self.StringComp) |
| 38 | |
| 39 | TRUE = 1 |
| 40 | FALSE = 0 |
| 41 | |
| 42 | def main(): |
| 43 | Proc0() |
| 44 | |
| 45 | IntGlob = 0 |
| 46 | BoolGlob = FALSE |
| 47 | Char1Glob = '\0' |
| 48 | Char2Glob = '\0' |
| 49 | Array1Glob = [0]*51 |
| 50 | Array2Glob = map(lambda x: x[:], [Array1Glob]*51) |
| 51 | PtrGlb = None |
| 52 | PtrGlbNext = None |
| 53 | |
| 54 | def Proc0(): |
| 55 | global IntGlob |
| 56 | global BoolGlob |
| 57 | global Char1Glob |
| 58 | global Char2Glob |
| 59 | global Array1Glob |
| 60 | global Array2Glob |
| 61 | global PtrGlb |
| 62 | global PtrGlbNext |
| 63 | |
| 64 | starttime = clock() |
| 65 | for i in range(LOOPS): |
| 66 | pass |
| 67 | nulltime = clock() - starttime |
| 68 | |
| 69 | PtrGlbNext = Record() |
| 70 | PtrGlb = Record() |
| 71 | PtrGlb.PtrComp = PtrGlbNext |
| 72 | PtrGlb.Discr = Ident1 |
| 73 | PtrGlb.EnumComp = Ident3 |
| 74 | PtrGlb.IntComp = 40 |
| 75 | PtrGlb.StringComp = "DHRYSTONE PROGRAM, SOME STRING" |
| 76 | String1Loc = "DHRYSTONE PROGRAM, 1'ST STRING" |
| 77 | Array2Glob[8][7] = 10 |
| 78 | |
| 79 | starttime = clock() |
| 80 | |
| 81 | for i in range(LOOPS): |
| 82 | Proc5() |
| 83 | Proc4() |
| 84 | IntLoc1 = 2 |
| 85 | IntLoc2 = 3 |
| 86 | String2Loc = "DHRYSTONE PROGRAM, 2'ND STRING" |
| 87 | EnumLoc = Ident2 |
| 88 | BoolGlob = not Func2(String1Loc, String2Loc) |
| 89 | while IntLoc1 < IntLoc2: |
| 90 | IntLoc3 = 5 * IntLoc1 - IntLoc2 |
| 91 | IntLoc3 = Proc7(IntLoc1, IntLoc2) |
| 92 | IntLoc1 = IntLoc1 + 1 |
| 93 | Proc8(Array1Glob, Array2Glob, IntLoc1, IntLoc3) |
| 94 | PtrGlb = Proc1(PtrGlb) |
| 95 | CharIndex = 'A' |
| 96 | while CharIndex <= Char2Glob: |
| 97 | if EnumLoc == Func1(CharIndex, 'C'): |
| 98 | EnumLoc = Proc6(Ident1) |
| 99 | CharIndex = chr(ord(CharIndex)+1) |
| 100 | IntLoc3 = IntLoc2 * IntLoc1 |
| 101 | IntLoc2 = IntLoc3 / IntLoc1 |
| 102 | IntLoc2 = 7 * (IntLoc3 - IntLoc2) - IntLoc1 |
| 103 | IntLoc1 = Proc2(IntLoc1) |
| 104 | |
| 105 | benchtime = clock() - starttime - nulltime |
| 106 | print "Pystone(%s) time for %d passes = %g" % \ |
| 107 | (__version__, LOOPS, benchtime) |
| 108 | print "This machine benchmarks at %g pystones/second" % \ |
| 109 | (LOOPS/benchtime) |
| 110 | |
| 111 | def Proc1(PtrParIn): |
| 112 | PtrParIn.PtrComp = NextRecord = PtrGlb.copy() |
| 113 | PtrParIn.IntComp = 5 |
| 114 | NextRecord.IntComp = PtrParIn.IntComp |
| 115 | NextRecord.PtrComp = PtrParIn.PtrComp |
| 116 | NextRecord.PtrComp = Proc3(NextRecord.PtrComp) |
| 117 | if NextRecord.Discr == Ident1: |
| 118 | NextRecord.IntComp = 6 |
| 119 | NextRecord.EnumComp = Proc6(PtrParIn.EnumComp) |
| 120 | NextRecord.PtrComp = PtrGlb.PtrComp |
| 121 | NextRecord.IntComp = Proc7(NextRecord.IntComp, 10) |
| 122 | else: |
| 123 | PtrParIn = NextRecord.copy() |
| 124 | return PtrParIn |
| 125 | |
| 126 | def Proc2(IntParIO): |
| 127 | IntLoc = IntParIO + 10 |
| 128 | while 1: |
| 129 | if Char1Glob == 'A': |
| 130 | IntLoc = IntLoc - 1 |
| 131 | IntParIO = IntLoc - IntGlob |
| 132 | EnumLoc = Ident1 |
| 133 | if EnumLoc == Ident1: |
| 134 | break |
| 135 | return IntParIO |
| 136 | |
| 137 | def Proc3(PtrParOut): |
| 138 | global IntGlob |
| 139 | |
| 140 | if PtrGlb != None: |
| 141 | PtrParOut = PtrGlb.PtrComp |
| 142 | else: |
| 143 | IntGlob = 100 |
| 144 | PtrGlb.IntComp = Proc7(10, IntGlob) |
| 145 | return PtrParOut |
| 146 | |
| 147 | def Proc4(): |
| 148 | global Char2Glob |
| 149 | |
| 150 | BoolLoc = Char1Glob == 'A' |
| 151 | BoolLoc = BoolLoc or BoolGlob |
| 152 | Char2Glob = 'B' |
| 153 | |
| 154 | def Proc5(): |
| 155 | global Char1Glob |
| 156 | global BoolGlob |
| 157 | |
| 158 | Char1Glob = 'A' |
| 159 | BoolGlob = FALSE |
| 160 | |
| 161 | def Proc6(EnumParIn): |
| 162 | EnumParOut = EnumParIn |
| 163 | if not Func3(EnumParIn): |
| 164 | EnumParOut = Ident4 |
| 165 | if EnumParIn == Ident1: |
| 166 | EnumParOut = Ident1 |
| 167 | elif EnumParIn == Ident2: |
| 168 | if IntGlob > 100: |
| 169 | EnumParOut = Ident1 |
| 170 | else: |
| 171 | EnumParOut = Ident4 |
| 172 | elif EnumParIn == Ident3: |
| 173 | EnumParOut = Ident2 |
| 174 | elif EnumParIn == Ident4: |
| 175 | pass |
| 176 | elif EnumParIn == Ident5: |
| 177 | EnumParOut = Ident3 |
| 178 | return EnumParOut |
| 179 | |
| 180 | def Proc7(IntParI1, IntParI2): |
| 181 | IntLoc = IntParI1 + 2 |
| 182 | IntParOut = IntParI2 + IntLoc |
| 183 | return IntParOut |
| 184 | |
| 185 | def Proc8(Array1Par, Array2Par, IntParI1, IntParI2): |
| 186 | global IntGlob |
| 187 | |
| 188 | IntLoc = IntParI1 + 5 |
| 189 | Array1Par[IntLoc] = IntParI2 |
| 190 | Array1Par[IntLoc+1] = Array1Par[IntLoc] |
| 191 | Array1Par[IntLoc+30] = IntLoc |
| 192 | for IntIndex in range(IntLoc, IntLoc+2): |
| 193 | Array2Par[IntLoc][IntIndex] = IntLoc |
| 194 | Array2Par[IntLoc][IntLoc-1] = Array2Par[IntLoc][IntLoc-1] + 1 |
| 195 | Array2Par[IntLoc+20][IntLoc] = Array1Par[IntLoc] |
| 196 | IntGlob = 5 |
| 197 | |
| 198 | def Func1(CharPar1, CharPar2): |
| 199 | CharLoc1 = CharPar1 |
| 200 | CharLoc2 = CharLoc1 |
| 201 | if CharLoc2 != CharPar2: |
| 202 | return Ident1 |
| 203 | else: |
| 204 | return Ident2 |
| 205 | |
| 206 | def Func2(StrParI1, StrParI2): |
| 207 | IntLoc = 1 |
| 208 | while IntLoc <= 1: |
| 209 | if Func1(StrParI1[IntLoc], StrParI2[IntLoc+1]) == Ident1: |
| 210 | CharLoc = 'A' |
| 211 | IntLoc = IntLoc + 1 |
| 212 | if CharLoc >= 'W' and CharLoc <= 'Z': |
| 213 | IntLoc = 7 |
| 214 | if CharLoc == 'X': |
| 215 | return TRUE |
| 216 | else: |
| 217 | if StrParI1 > StrParI2: |
| 218 | IntLoc = IntLoc + 7 |
| 219 | return TRUE |
| 220 | else: |
| 221 | return FALSE |
| 222 | |
| 223 | def Func3(EnumParIn): |
| 224 | EnumLoc = EnumParIn |
| 225 | if EnumLoc == Ident3: return TRUE |
| 226 | return FALSE |
| 227 | |
| 228 | if __name__ == '__main__': |
| 229 | main() |