def test_sched_optimization(self):
scheduler = InterleavingScheduler()
forall_expr = scheduler.assumptions[0] # Forall(i) GFsched_i=1
instantiated_expr = _instantiate_expr(forall_expr, 2, False) # GFsched_0=1 * GFsched_1=1
result_expr = _apply_log_bit_optimization("sch", instantiated_expr, 2, scheduler)
expected_expr = BinOp(
"*", UnaryOp("G", UnaryOp("F", _get_is_true("sch", 0))), UnaryOp("G", UnaryOp("F", _get_is_false("sch", 0)))
)
result_str = _get_sorted_conjuncts_str(result_expr)
expected_str = _get_sorted_conjuncts_str(expected_expr)
self.assertEqual(expected_str, result_str)
def test_sched_optimization(self):
scheduler = InterleavingScheduler()
forall_expr = scheduler.assumptions[0] # Forall(i) GFsched_i=1
instantiated_expr = _instantiate_expr(
forall_expr, 2, False) # GFsched_0=1 * GFsched_1=1
result_expr = _apply_log_bit_optimization('sch', instantiated_expr, 2,
scheduler)
expected_expr = BinOp(
'*', UnaryOp('G', UnaryOp('F', _get_is_true('sch', 0))),
UnaryOp('G', UnaryOp('F', _get_is_false('sch', 0))))
result_str = _get_sorted_conjuncts_str(result_expr)
expected_str = _get_sorted_conjuncts_str(expected_expr)
self.assertEqual(expected_str, result_str)
def test_sched_visual(self):
scheduler = InterleavingScheduler()
forall_expr = normalize_conjuncts([parse_expr("Forall(i) a_i=1"), scheduler.assumptions[0]])
instantiated_expr = _instantiate_expr(forall_expr, 4, False) # GFsched_0=1 * GFsched_1=1
result_expr = _apply_log_bit_optimization("sch", instantiated_expr, 4, scheduler)
print(
"""::test_sched_visual::
Check visually the correctness.
The original expr is Forall(i) a_i=1 * GFfair_sched_i=1,
after scheduler_log_bit optimization and instantiation with cutoff=4
it is expected to receive
a_0=1 * a_1=1 * a_2=1 * a_3=1 *
GF(sch0=0 * sch1=0) *
GF(sch0=0 * sch1=1) *
GF(sch0=1 * sch1=0) *
GF(sch0=1 * sch1=1)
""",
result_expr,
)
print("The result is")
print(result_expr)
def test_sched_visual(self):
scheduler = InterleavingScheduler()
forall_expr = normalize_conjuncts(
[parse_expr('Forall(i) a_i=1'), scheduler.assumptions[0]])
instantiated_expr = _instantiate_expr(
forall_expr, 4, False) # GFsched_0=1 * GFsched_1=1
result_expr = _apply_log_bit_optimization('sch', instantiated_expr, 4,
scheduler)
print(
'''::test_sched_visual::
Check visually the correctness.
The original expr is Forall(i) a_i=1 * GFfair_sched_i=1,
after scheduler_log_bit optimization and instantiation with cutoff=4
it is expected to receive
a_0=1 * a_1=1 * a_2=1 * a_3=1 *
GF(sch0=0 * sch1=0) *
GF(sch0=0 * sch1=1) *
GF(sch0=1 * sch1=0) *
GF(sch0=1 * sch1=1)
''', result_expr)
print('The result is')
print(result_expr)
