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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | class Tobj(object): def __init__( self , serial, val = 0 ): self .serial = serial self .val = val def __repr__( self ): return "%s(%s)" % ( self .__class__.__name__, ', ' .join([ "%r:%r" % (k, v) for k, v in self .__dict__.items() ]) ) def init(L): return [ Tobj(i) for i in range(L) ] def show(): for obj in objlst: print obj def serialset(val = 1 ): for obj in objlst: obj.val = val def randomset(val = 2 ): for i in xrange(len(objlst)): objlst[i].val = val def tester(): serialset( 1 ) show() randomset( 2 ) show() if __name__ = = "__main__" : objlst = init( 1000 ) import timeit t1 = timeit.Timer( 'serialset()' , "from __main__ import serialset" ) print t1.timeit() t2 = timeit.Timer( 'randomset()' , "from __main__ import randomset" ) print t2.timeit() |