def test_split256(self):
split = Split(self.bank0, self.bank1,
self.main, offset=256)
split.reset(self.machine)
t = split.process(0, False, 0, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank0.reads, 1)
self.assertEqual(self.bank1.reads, 0)
self.assertEqual(self.bank0.writes, 0)
self.assertEqual(self.bank1.writes, 0)
self.assertEqual(self.main.reads, 1)
self.assertEqual(self.main.writes, 0)
t = split.process(0, False, 256, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank0.reads, 1)
self.assertEqual(self.bank1.reads, 1)
self.assertEqual(self.bank0.writes, 0)
self.assertEqual(self.bank1.writes, 0)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 0)
t = split.process(0, True, 256, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank0.reads, 1)
self.assertEqual(self.bank1.reads, 1)
self.assertEqual(self.bank0.writes, 0)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 1)
t = split.process(0, True, 0, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank0.reads, 1)
self.assertEqual(self.bank1.reads, 1)
self.assertEqual(self.bank0.writes, 1)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 2)
self.assertEqual(self.main.writes, 2)
t = split.process(0, False, 252, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank0.reads, 2)
self.assertEqual(self.bank1.reads, 2)
self.assertEqual(self.bank0.writes, 1)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 4)
self.assertEqual(self.main.writes, 2)
t = split.process(0, False, 2 ** 32 - 4, 8)
self.assertEqual(t, 1600)
self.assertEqual(self.bank0.reads, 3)
self.assertEqual(self.bank1.reads, 3)
self.assertEqual(self.bank0.writes, 1)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 6)
self.assertEqual(self.main.writes, 2)
t = split.process(0, False, 2 ** 32 - 1, 1)
self.assertEqual(t, 200)
self.assertEqual(self.bank0.reads, 3)
self.assertEqual(self.bank1.reads, 4)
self.assertEqual(self.bank0.writes, 1)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 7)
self.assertEqual(self.main.writes, 2)
t = split.process(0, False, 255, 1)
self.assertEqual(t, 200)
self.assertEqual(self.bank0.reads, 4)
self.assertEqual(self.bank1.reads, 4)
self.assertEqual(self.bank0.writes, 1)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 8)
self.assertEqual(self.main.writes, 2)
t = split.process(0, False, 2 ** 32 - 1, 2)
self.assertEqual(t, 400)
self.assertEqual(self.bank0.reads, 5)
self.assertEqual(self.bank1.reads, 5)
self.assertEqual(self.bank0.writes, 1)
self.assertEqual(self.bank1.writes, 1)
self.assertEqual(self.main.reads, 10)
self.assertEqual(self.main.writes, 2)
def test_path(self):
split = Split(self.bank0, self.bank1, self.main, offset=8)
split.reset(self.machine)
self.assertEqual(split.get_path_length(), self.machine.addr_bits)
def test_simplify3(self):
split = Split(self.join0, self.join1, self.main, offset=256)
simplified = split.simplify()
self.assertEqual(simplified, self.main)
def test_cost(self):
split = Split(self.bank0, self.bank1, self.main, offset=8)
self.assertEqual(split.get_cost(), 0)
def test_simplify2(self):
split = Split(self.bank0, self.bank1, self.main, offset=0)
simplified = split.simplify()
self.assertEqual(simplified, split)
