def test_permute(self):
s = SPM(self.main, word_size=1, size=1,
access_time=1, cycle_time=1)
s.reset(self.machine)
dist = MemoryDistribution(mocks.MockRandom([0, 1]))
result = s.permute(dist, 1, 0)
self.assertEqual(result, False)
result = s.permute(dist, 10000, 0)
self.assertEqual(result, True)
def test_spm1(self):
spm = SPM(self.main, word_size=8, size=1024,
access_time=1, cycle_time=1)
spm.reset(self.machine)
t = spm.process(0, False, 0, 1)
self.assertEqual(t, 1)
self.machine.time += t
t = spm.process(0, False, 1024 - 8, 8)
self.assertEqual(t, 1)
self.machine.time += t
t = spm.process(0, False, 1024, 4)
self.assertEqual(t, 400)
self.machine.time += t
t = spm.process(0, False, 1023, 2)
self.assertEqual(t, 101)
self.machine.time += t
t = spm.process(0, True, 1024, 1)
self.assertEqual(t, 100)
self.machine.time += t
t = spm.process(0, True, 8192, 16)
self.assertEqual(t, 1600)
self.machine.time += t
def test_path(self):
spm = SPM(self.main, word_size=2, size=1024,
access_time=1, cycle_time=1)
spm.reset(self.machine)
self.assertEqual(spm.get_path_length(), 2 * self.machine.addr_bits)
def test_cost(self):
spm = SPM(self.main, word_size=8, size=1024,
access_time=1, cycle_time=1)
spm.reset(self.machine)
self.assertEqual(spm.get_cost(), 8 * 1024)
def test_simplify(self):
spm = SPM(self.main, word_size=4, size=1024,
access_time=1, cycle_time=1)
simplified = spm.simplify()
self.assertEqual(spm, simplified)
