diff options
Diffstat (limited to 'Lib/test/pystone.py')
| -rwxr-xr-x | Lib/test/pystone.py | 364 |
1 files changed, 182 insertions, 182 deletions
diff --git a/Lib/test/pystone.py b/Lib/test/pystone.py index bef67d0..6c04b55 100755 --- a/Lib/test/pystone.py +++ b/Lib/test/pystone.py @@ -3,32 +3,32 @@ """ "PYSTONE" Benchmark Program -Version: Python/1.1 (corresponds to C/1.1 plus 2 Pystone fixes) +Version: Python/1.1 (corresponds to C/1.1 plus 2 Pystone fixes) -Author: Reinhold P. Weicker, CACM Vol 27, No 10, 10/84 pg. 1013. +Author: Reinhold P. Weicker, CACM Vol 27, No 10, 10/84 pg. 1013. - Translated from ADA to C by Rick Richardson. - Every method to preserve ADA-likeness has been used, - at the expense of C-ness. + Translated from ADA to C by Rick Richardson. + Every method to preserve ADA-likeness has been used, + at the expense of C-ness. - Translated from C to Python by Guido van Rossum. + Translated from C to Python by Guido van Rossum. Version History: - Version 1.1 corrects two bugs in version 1.0: + Version 1.1 corrects two bugs in version 1.0: - First, it leaked memory: in Proc1(), NextRecord ends - up having a pointer to itself. I have corrected this - by zapping NextRecord.PtrComp at the end of Proc1(). + First, it leaked memory: in Proc1(), NextRecord ends + up having a pointer to itself. I have corrected this + by zapping NextRecord.PtrComp at the end of Proc1(). - Second, Proc3() used the operator != to compare a - record to None. This is rather inefficient and not - true to the intention of the original benchmark (where - a pointer comparison to None is intended; the != - operator attempts to find a method __cmp__ to do value - comparison of the record). Version 1.1 runs 5-10 - percent faster than version 1.0, so benchmark figures - of different versions can't be compared directly. + Second, Proc3() used the operator != to compare a + record to None. This is rather inefficient and not + true to the intention of the original benchmark (where + a pointer comparison to None is intended; the != + operator attempts to find a method __cmp__ to do value + comparison of the record). Version 1.1 runs 5-10 + percent faster than version 1.0, so benchmark figures + of different versions can't be compared directly. """ @@ -42,30 +42,30 @@ __version__ = "1.1" class Record: - def __init__(self, PtrComp = None, Discr = 0, EnumComp = 0, - IntComp = 0, StringComp = 0): - self.PtrComp = PtrComp - self.Discr = Discr - self.EnumComp = EnumComp - self.IntComp = IntComp - self.StringComp = StringComp + def __init__(self, PtrComp = None, Discr = 0, EnumComp = 0, + IntComp = 0, StringComp = 0): + self.PtrComp = PtrComp + self.Discr = Discr + self.EnumComp = EnumComp + self.IntComp = IntComp + self.StringComp = StringComp - def copy(self): - return Record(self.PtrComp, self.Discr, self.EnumComp, - self.IntComp, self.StringComp) + def copy(self): + return Record(self.PtrComp, self.Discr, self.EnumComp, + self.IntComp, self.StringComp) TRUE = 1 FALSE = 0 def main(): - benchtime, stones = pystones() - print "Pystone(%s) time for %d passes = %g" % \ - (__version__, LOOPS, benchtime) - print "This machine benchmarks at %g pystones/second" % stones + benchtime, stones = pystones() + print "Pystone(%s) time for %d passes = %g" % \ + (__version__, LOOPS, benchtime) + print "This machine benchmarks at %g pystones/second" % stones def pystones(loops=LOOPS): - return Proc0(loops) + return Proc0(loops) IntGlob = 0 BoolGlob = FALSE @@ -77,176 +77,176 @@ PtrGlb = None PtrGlbNext = None def Proc0(loops=LOOPS): - global IntGlob - global BoolGlob - global Char1Glob - global Char2Glob - global Array1Glob - global Array2Glob - global PtrGlb - global PtrGlbNext - - starttime = clock() - for i in range(loops): - pass - nulltime = clock() - starttime - - PtrGlbNext = Record() - PtrGlb = Record() - PtrGlb.PtrComp = PtrGlbNext - PtrGlb.Discr = Ident1 - PtrGlb.EnumComp = Ident3 - PtrGlb.IntComp = 40 - PtrGlb.StringComp = "DHRYSTONE PROGRAM, SOME STRING" - String1Loc = "DHRYSTONE PROGRAM, 1'ST STRING" - Array2Glob[8][7] = 10 - - starttime = clock() - - for i in range(loops): - Proc5() - Proc4() - IntLoc1 = 2 - IntLoc2 = 3 - String2Loc = "DHRYSTONE PROGRAM, 2'ND STRING" - EnumLoc = Ident2 - BoolGlob = not Func2(String1Loc, String2Loc) - while IntLoc1 < IntLoc2: - IntLoc3 = 5 * IntLoc1 - IntLoc2 - IntLoc3 = Proc7(IntLoc1, IntLoc2) - IntLoc1 = IntLoc1 + 1 - Proc8(Array1Glob, Array2Glob, IntLoc1, IntLoc3) - PtrGlb = Proc1(PtrGlb) - CharIndex = 'A' - while CharIndex <= Char2Glob: - if EnumLoc == Func1(CharIndex, 'C'): - EnumLoc = Proc6(Ident1) - CharIndex = chr(ord(CharIndex)+1) - IntLoc3 = IntLoc2 * IntLoc1 - IntLoc2 = IntLoc3 / IntLoc1 - IntLoc2 = 7 * (IntLoc3 - IntLoc2) - IntLoc1 - IntLoc1 = Proc2(IntLoc1) - - benchtime = clock() - starttime - nulltime - return benchtime, (loops / benchtime) + global IntGlob + global BoolGlob + global Char1Glob + global Char2Glob + global Array1Glob + global Array2Glob + global PtrGlb + global PtrGlbNext + + starttime = clock() + for i in range(loops): + pass + nulltime = clock() - starttime + + PtrGlbNext = Record() + PtrGlb = Record() + PtrGlb.PtrComp = PtrGlbNext + PtrGlb.Discr = Ident1 + PtrGlb.EnumComp = Ident3 + PtrGlb.IntComp = 40 + PtrGlb.StringComp = "DHRYSTONE PROGRAM, SOME STRING" + String1Loc = "DHRYSTONE PROGRAM, 1'ST STRING" + Array2Glob[8][7] = 10 + + starttime = clock() + + for i in range(loops): + Proc5() + Proc4() + IntLoc1 = 2 + IntLoc2 = 3 + String2Loc = "DHRYSTONE PROGRAM, 2'ND STRING" + EnumLoc = Ident2 + BoolGlob = not Func2(String1Loc, String2Loc) + while IntLoc1 < IntLoc2: + IntLoc3 = 5 * IntLoc1 - IntLoc2 + IntLoc3 = Proc7(IntLoc1, IntLoc2) + IntLoc1 = IntLoc1 + 1 + Proc8(Array1Glob, Array2Glob, IntLoc1, IntLoc3) + PtrGlb = Proc1(PtrGlb) + CharIndex = 'A' + while CharIndex <= Char2Glob: + if EnumLoc == Func1(CharIndex, 'C'): + EnumLoc = Proc6(Ident1) + CharIndex = chr(ord(CharIndex)+1) + IntLoc3 = IntLoc2 * IntLoc1 + IntLoc2 = IntLoc3 / IntLoc1 + IntLoc2 = 7 * (IntLoc3 - IntLoc2) - IntLoc1 + IntLoc1 = Proc2(IntLoc1) + + benchtime = clock() - starttime - nulltime + return benchtime, (loops / benchtime) def Proc1(PtrParIn): - PtrParIn.PtrComp = NextRecord = PtrGlb.copy() - PtrParIn.IntComp = 5 - NextRecord.IntComp = PtrParIn.IntComp - NextRecord.PtrComp = PtrParIn.PtrComp - NextRecord.PtrComp = Proc3(NextRecord.PtrComp) - if NextRecord.Discr == Ident1: - NextRecord.IntComp = 6 - NextRecord.EnumComp = Proc6(PtrParIn.EnumComp) - NextRecord.PtrComp = PtrGlb.PtrComp - NextRecord.IntComp = Proc7(NextRecord.IntComp, 10) - else: - PtrParIn = NextRecord.copy() - NextRecord.PtrComp = None - return PtrParIn + PtrParIn.PtrComp = NextRecord = PtrGlb.copy() + PtrParIn.IntComp = 5 + NextRecord.IntComp = PtrParIn.IntComp + NextRecord.PtrComp = PtrParIn.PtrComp + NextRecord.PtrComp = Proc3(NextRecord.PtrComp) + if NextRecord.Discr == Ident1: + NextRecord.IntComp = 6 + NextRecord.EnumComp = Proc6(PtrParIn.EnumComp) + NextRecord.PtrComp = PtrGlb.PtrComp + NextRecord.IntComp = Proc7(NextRecord.IntComp, 10) + else: + PtrParIn = NextRecord.copy() + NextRecord.PtrComp = None + return PtrParIn def Proc2(IntParIO): - IntLoc = IntParIO + 10 - while 1: - if Char1Glob == 'A': - IntLoc = IntLoc - 1 - IntParIO = IntLoc - IntGlob - EnumLoc = Ident1 - if EnumLoc == Ident1: - break - return IntParIO + IntLoc = IntParIO + 10 + while 1: + if Char1Glob == 'A': + IntLoc = IntLoc - 1 + IntParIO = IntLoc - IntGlob + EnumLoc = Ident1 + if EnumLoc == Ident1: + break + return IntParIO def Proc3(PtrParOut): - global IntGlob - - if PtrGlb is not None: - PtrParOut = PtrGlb.PtrComp - else: - IntGlob = 100 - PtrGlb.IntComp = Proc7(10, IntGlob) - return PtrParOut + global IntGlob + + if PtrGlb is not None: + PtrParOut = PtrGlb.PtrComp + else: + IntGlob = 100 + PtrGlb.IntComp = Proc7(10, IntGlob) + return PtrParOut def Proc4(): - global Char2Glob - - BoolLoc = Char1Glob == 'A' - BoolLoc = BoolLoc or BoolGlob - Char2Glob = 'B' + global Char2Glob + + BoolLoc = Char1Glob == 'A' + BoolLoc = BoolLoc or BoolGlob + Char2Glob = 'B' def Proc5(): - global Char1Glob - global BoolGlob - - Char1Glob = 'A' - BoolGlob = FALSE + global Char1Glob + global BoolGlob + + Char1Glob = 'A' + BoolGlob = FALSE def Proc6(EnumParIn): - EnumParOut = EnumParIn - if not Func3(EnumParIn): - EnumParOut = Ident4 - if EnumParIn == Ident1: - EnumParOut = Ident1 - elif EnumParIn == Ident2: - if IntGlob > 100: - EnumParOut = Ident1 - else: - EnumParOut = Ident4 - elif EnumParIn == Ident3: - EnumParOut = Ident2 - elif EnumParIn == Ident4: - pass - elif EnumParIn == Ident5: - EnumParOut = Ident3 - return EnumParOut + EnumParOut = EnumParIn + if not Func3(EnumParIn): + EnumParOut = Ident4 + if EnumParIn == Ident1: + EnumParOut = Ident1 + elif EnumParIn == Ident2: + if IntGlob > 100: + EnumParOut = Ident1 + else: + EnumParOut = Ident4 + elif EnumParIn == Ident3: + EnumParOut = Ident2 + elif EnumParIn == Ident4: + pass + elif EnumParIn == Ident5: + EnumParOut = Ident3 + return EnumParOut def Proc7(IntParI1, IntParI2): - IntLoc = IntParI1 + 2 - IntParOut = IntParI2 + IntLoc - return IntParOut + IntLoc = IntParI1 + 2 + IntParOut = IntParI2 + IntLoc + return IntParOut def Proc8(Array1Par, Array2Par, IntParI1, IntParI2): - global IntGlob - - IntLoc = IntParI1 + 5 - Array1Par[IntLoc] = IntParI2 - Array1Par[IntLoc+1] = Array1Par[IntLoc] - Array1Par[IntLoc+30] = IntLoc - for IntIndex in range(IntLoc, IntLoc+2): - Array2Par[IntLoc][IntIndex] = IntLoc - Array2Par[IntLoc][IntLoc-1] = Array2Par[IntLoc][IntLoc-1] + 1 - Array2Par[IntLoc+20][IntLoc] = Array1Par[IntLoc] - IntGlob = 5 + global IntGlob + + IntLoc = IntParI1 + 5 + Array1Par[IntLoc] = IntParI2 + Array1Par[IntLoc+1] = Array1Par[IntLoc] + Array1Par[IntLoc+30] = IntLoc + for IntIndex in range(IntLoc, IntLoc+2): + Array2Par[IntLoc][IntIndex] = IntLoc + Array2Par[IntLoc][IntLoc-1] = Array2Par[IntLoc][IntLoc-1] + 1 + Array2Par[IntLoc+20][IntLoc] = Array1Par[IntLoc] + IntGlob = 5 def Func1(CharPar1, CharPar2): - CharLoc1 = CharPar1 - CharLoc2 = CharLoc1 - if CharLoc2 != CharPar2: - return Ident1 - else: - return Ident2 + CharLoc1 = CharPar1 + CharLoc2 = CharLoc1 + if CharLoc2 != CharPar2: + return Ident1 + else: + return Ident2 def Func2(StrParI1, StrParI2): - IntLoc = 1 - while IntLoc <= 1: - if Func1(StrParI1[IntLoc], StrParI2[IntLoc+1]) == Ident1: - CharLoc = 'A' - IntLoc = IntLoc + 1 - if CharLoc >= 'W' and CharLoc <= 'Z': - IntLoc = 7 - if CharLoc == 'X': - return TRUE - else: - if StrParI1 > StrParI2: - IntLoc = IntLoc + 7 - return TRUE - else: - return FALSE + IntLoc = 1 + while IntLoc <= 1: + if Func1(StrParI1[IntLoc], StrParI2[IntLoc+1]) == Ident1: + CharLoc = 'A' + IntLoc = IntLoc + 1 + if CharLoc >= 'W' and CharLoc <= 'Z': + IntLoc = 7 + if CharLoc == 'X': + return TRUE + else: + if StrParI1 > StrParI2: + IntLoc = IntLoc + 7 + return TRUE + else: + return FALSE def Func3(EnumParIn): - EnumLoc = EnumParIn - if EnumLoc == Ident3: return TRUE - return FALSE + EnumLoc = EnumParIn + if EnumLoc == Ident3: return TRUE + return FALSE if __name__ == '__main__': - main() + main() |