diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/pystone.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/pystone.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,270 @@ +#! /usr/bin/env python + +""" +"PYSTONE" Benchmark Program + +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. + + 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. + +Version History: + + 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(). + + 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. + +""" + +LOOPS = 50000 + +from time import clock + +__version__ = "1.1" + +[Ident1, Ident2, Ident3, Ident4, Ident5] = range(1, 6) + +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 copy(self): + return Record(self.PtrComp, self.Discr, self.EnumComp, + self.IntComp, self.StringComp) + +TRUE = 1 +FALSE = 0 + +def main(loops=LOOPS): + benchtime, stones = pystones(loops) + 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) + +IntGlob = 0 +BoolGlob = FALSE +Char1Glob = '\0' +Char2Glob = '\0' +Array1Glob = [0]*51 +Array2Glob = map(lambda x: x[:], [Array1Glob]*51) +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 + if benchtime == 0.0: + loopsPerBenchtime = 0.0 + else: + loopsPerBenchtime = (loops / benchtime) + return benchtime, loopsPerBenchtime + +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 + +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 + +def Proc3(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' + +def Proc5(): + 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 + +def Proc7(IntParI1, IntParI2): + 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 + +def Func1(CharPar1, CharPar2): + 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 + +def Func3(EnumParIn): + EnumLoc = EnumParIn + if EnumLoc == Ident3: return TRUE + return FALSE + +if __name__ == '__main__': + import sys + def error(msg): + print >>sys.stderr, msg, + print >>sys.stderr, "usage: %s [number_of_loops]" % sys.argv[0] + sys.exit(100) + nargs = len(sys.argv) - 1 + if nargs > 1: + error("%d arguments are too many;" % nargs) + elif nargs == 1: + try: loops = int(sys.argv[1]) + except ValueError: + error("Invalid argument %r;" % sys.argv[1]) + else: + loops = LOOPS + main(loops)