from pybench import Test class SimpleListManipulation(Test): version = 2.0 operations = 5* (6 + 6 + 6) rounds = 130000 def test(self): l = [] append = l.append for i in range(self.rounds): append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 x = l[0] x = l[1] x = l[2] x = l[3] x = l[4] x = l[5] append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 x = l[0] x = l[1] x = l[2] x = l[3] x = l[4] x = l[5] append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 x = l[0] x = l[1] x = l[2] x = l[3] x = l[4] x = l[5] append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 x = l[0] x = l[1] x = l[2] x = l[3] x = l[4] x = l[5] append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 x = l[0] x = l[1] x = l[2] x = l[3] x = l[4] x = l[5] if len(l) > 10000: # cut down the size del l[:] def calibrate(self): l = [] append = l.append for i in range(self.rounds): pass class ListSlicing(Test): version = 2.0 operations = 25*(3+1+2+1) rounds = 800 def test(self): n = list(range(100)) r = list(range(25)) for i in range(self.rounds): l = n[:] for j in r: m = l[50:] m = l[:25] m = l[50:55] l[:3] = n m = l[:-1] m = l[1:] l[-1:] = n def calibrate(self): n = list(range(100)) r = list(range(25)) for i in range(self.rounds): for j in r: pass class SmallLists(Test): version = 2.0 operations = 5*(1+ 6 + 6 + 3 + 1) rounds = 80000 def test(self): for i in range(self.rounds): l = [] append = l.append append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 l[:3] = [1,2,3] m = l[:-1] m = l[1:] l[-1:] = [4,5,6] l = [] append = l.append append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 l[:3] = [1,2,3] m = l[:-1] m = l[1:] l[-1:] = [4,5,6] l = [] append = l.append append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 l[:3] = [1,2,3] m = l[:-1] m = l[1:] l[-1:] = [4,5,6] l = [] append = l.append append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 l[:3] = [1,2,3] m = l[:-1] m = l[1:] l[-1:] = [4,5,6] l = [] append = l.append append(2) append(3) append(4) append(2) append(3) append(4) l[0] = 3 l[1] = 4 l[2] = 5 l[3] = 3 l[4] = 4 l[5] = 5 l[:3] = [1,2,3] m = l[:-1] m = l[1:] l[-1:] = [4,5,6] def calibrate(self): for i in range(self.rounds): pass class SimpleListComprehensions(Test): version = 2.0 operations = 6 rounds = 20000 def test(self): n = list(range(10)) * 10 for i in range(self.rounds): l = [x for x in n] l = [x for x in n if x] l = [x for x in n if not x] l = [x for x in n] l = [x for x in n if x] l = [x for x in n if not x] def calibrate(self): n = list(range(10)) * 10 for i in range(self.rounds): pass class NestedListComprehensions(Test): version = 2.0 operations = 6 rounds = 20000 def test(self): m = list(range(10)) n = list(range(10)) for i in range(self.rounds): l = [x for x in n for y in m] l = [y for x in n for y in m] l = [x for x in n for y in m if y] l = [y for x in n for y in m if x] l = [x for x in n for y in m if not y] l = [y for x in n for y in m if not x] def calibrate(self): m = list(range(10)) n = list(range(10)) for i in range(self.rounds): pass