def test_four_integrators_mixed(self):
A = IntegratorMechanism(name='A',
default_variable=[0],
function=SimpleIntegrator(rate=1))
B = IntegratorMechanism(name='B',
default_variable=[0],
function=SimpleIntegrator(rate=1))
C = IntegratorMechanism(name='C',
default_variable=[0],
function=SimpleIntegrator(rate=1))
D = IntegratorMechanism(name='D',
default_variable=[0],
function=SimpleIntegrator(rate=1))
p = Process(default_variable=[0], pathway=[A, C], name='p')
p1 = Process(default_variable=[0], pathway=[A, D], name='p1')
q = Process(default_variable=[0], pathway=[B, C], name='q')
q1 = Process(default_variable=[0], pathway=[B, D], name='q1')
s = System(processes=[p, p1, q, q1], name='s')
term_conds = {
TimeScale.TRIAL: All(AfterNCalls(C, 1), AfterNCalls(D, 1))
}
stim_list = {A: [[1]], B: [[1]]}
sched = Scheduler(system=s)
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, EveryNCalls(A, 1))
sched.add_condition(D, EveryNCalls(B, 1))
s.scheduler_processing = sched
s.run(inputs=stim_list, termination_processing=term_conds)
mechs = [A, B, C, D]
expected_output = [
[
numpy.array([2.]),
],
[
numpy.array([1.]),
],
[
numpy.array([4.]),
],
[
numpy.array([3.]),
],
]
for m in range(len(mechs)):
for i in range(len(expected_output[m])):
numpy.testing.assert_allclose(expected_output[m][i],
mechs[m].get_output_values(s)[i])
def _validate_conditions(self):
unspecified_nodes = []
for node in self.nodes:
if node not in self.conditions:
# determine parent nodes
node_index = 0
for i in range(len(self.consideration_queue)):
if node in self.consideration_queue[i]:
node_index = i
break
if node_index > 0:
dependencies = list(self.consideration_queue[i - 1])
if len(dependencies) == 1:
cond = EveryNCalls(dependencies[0], 1)
elif len(dependencies) > 1:
cond = All(*[EveryNCalls(x, 1) for x in dependencies])
else:
raise SchedulerError(
f'{self}: Empty consideration set in consideration_queue[{i - 1}]'
)
else:
cond = Always()
self.conditions.add_condition(node, cond)
unspecified_nodes.append(node)
if len(unspecified_nodes) > 0:
logger.info(
'These nodes have no Conditions specified, and will be scheduled with conditions: {0}'
.format({
node: self.conditions[node]
for node in unspecified_nodes
}))
def test_AllHaveRun(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
A.is_finished_flag = False
B = TransferMechanism(function=Linear(intercept=4.0), name='B')
B.is_finished_flag = True
C = TransferMechanism(function=Linear(intercept=1.5), name='C')
for m in [A, B, C]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), B, C)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, EveryNCalls(B, 2))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AllHaveRun(A, B, C)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [
A, A, B, A, A, B, C
]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_checkmark2_1(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
C = TransferMechanism(function=Linear(intercept=1.5), name='scheduler-pytests-C')
D = TransferMechanism(function=Linear(intercept=.5), name='scheduler-pytests-D')
for m in [A, B, C, D]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), A, D)
comp.add_projection(MappingProjection(), B, D)
comp.add_projection(MappingProjection(), C, D)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, EveryNCalls(A, 2))
sched.add_condition(D, All(EveryNCalls(B, 2), EveryNCalls(C, 2)))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(D, 1, time_scale=TimeScale.TRIAL)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [
A, set([A, C]), B, A, set([A, C]), B, D
]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_1b(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
C = TransferMechanism(function=Linear(intercept=1.5), name='scheduler-pytests-C')
for m in [A, B, C]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), B, C)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
sched.add_condition(B, Any(EveryNCalls(A, 2), AfterPass(1)))
sched.add_condition(C, EveryNCalls(B, 3))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(C, 4, time_scale=TimeScale.TRIAL)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [
A, A, B, A, B, A, B, C,
A, B, A, B, A, B, C,
A, B, A, B, A, B, C,
A, B, A, B, A, B, C,
]
# pprint.pprint(output)
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_five_ABABCDE(self):
A = TransferMechanism(
name='A',
default_variable=[0],
function=Linear(slope=2.0),
)
B = TransferMechanism(
name='B',
default_variable=[0],
function=Linear(slope=2.0),
)
C = IntegratorMechanism(name='C',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
D = TransferMechanism(
name='D',
default_variable=[0],
function=Linear(slope=1.0),
)
E = TransferMechanism(
name='E',
default_variable=[0],
function=Linear(slope=2.0),
)
c = Composition(pathways=[[A, C, D], [B, C, E]])
term_conds = {TimeScale.TRIAL: AfterNCalls(E, 1)}
stim_list = {A: [[1]], B: [[2]]}
sched = Scheduler(composition=c)
sched.add_condition(C, Any(EveryNCalls(A, 1), EveryNCalls(B, 1)))
sched.add_condition(D, EveryNCalls(C, 1))
sched.add_condition(E, EveryNCalls(C, 1))
c.scheduler = sched
c.run(inputs=stim_list, termination_processing=term_conds)
terminal_mechs = [D, E]
expected_output = [
[
numpy.array([3.]),
],
[
numpy.array([6.]),
],
]
for m in range(len(terminal_mechs)):
for i in range(len(expected_output[m])):
numpy.testing.assert_allclose(
expected_output[m][i],
terminal_mechs[m].get_output_values(c)[i])
def test_four_integrators_mixed(self):
A = IntegratorMechanism(name='A',
default_variable=[0],
function=SimpleIntegrator(rate=1))
B = IntegratorMechanism(name='B',
default_variable=[0],
function=SimpleIntegrator(rate=1))
C = IntegratorMechanism(name='C',
default_variable=[0],
function=SimpleIntegrator(rate=1))
D = IntegratorMechanism(name='D',
default_variable=[0],
function=SimpleIntegrator(rate=1))
c = Composition(pathways=[[A, C], [A, D], [B, C], [B, D]])
term_conds = {
TimeScale.TRIAL: All(AfterNCalls(C, 1), AfterNCalls(D, 1))
}
stim_list = {A: [[1]], B: [[1]]}
sched = Scheduler(composition=c)
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, EveryNCalls(A, 1))
sched.add_condition(D, EveryNCalls(B, 1))
c.scheduler = sched
c.run(inputs=stim_list, termination_processing=term_conds)
mechs = [A, B, C, D]
expected_output = [
[
numpy.array([2.]),
],
[
numpy.array([1.]),
],
[
numpy.array([4.]),
],
[
numpy.array([3.]),
],
]
for m in range(len(mechs)):
for i in range(len(expected_output[m])):
numpy.testing.assert_allclose(expected_output[m][i],
mechs[m].get_output_values(c)[i])
def test_four_ABBCD(self):
A = TransferMechanism(
name='A',
default_variable=[0],
function=Linear(slope=2.0),
)
B = IntegratorMechanism(name='B',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
C = IntegratorMechanism(name='C',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
D = TransferMechanism(
name='D',
default_variable=[0],
function=Linear(slope=1.0),
)
p = Process(default_variable=[0], pathway=[A, B, D], name='p')
q = Process(default_variable=[0], pathway=[A, C, D], name='q')
s = System(processes=[p, q], name='s')
term_conds = {TimeScale.TRIAL: AfterNCalls(D, 1)}
stim_list = {A: [[1]]}
sched = Scheduler(system=s)
sched.add_condition(B, EveryNCalls(A, 1))
sched.add_condition(C, EveryNCalls(A, 2))
sched.add_condition(D, Any(EveryNCalls(B, 3), EveryNCalls(C, 3)))
s.scheduler_processing = sched
s.run(inputs=stim_list, termination_processing=term_conds)
terminal_mechs = [D]
expected_output = [
[
numpy.array([4.]),
],
]
for m in range(len(terminal_mechs)):
for i in range(len(expected_output[m])):
numpy.testing.assert_allclose(
expected_output[m][i],
terminal_mechs[m].get_output_values(s)[i])
def test_termination_conditions_reset(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
for m in [A, B]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(B, EveryNCalls(A, 2))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(B, 2)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, A, B, A, A, B]
assert output == pytest.helpers.setify_expected_output(expected_output)
# reset the RUN because schedulers run TRIALs
sched.clock._increment_time(TimeScale.RUN)
sched._reset_counts_total(TimeScale.RUN)
output = list(sched.run())
expected_output = [A, A, B]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_two_AAB(self):
A = IntegratorMechanism(name='A',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
B = TransferMechanism(
name='B',
default_variable=[0],
function=Linear(slope=2.0),
)
c = Composition(pathways=[A, B])
term_conds = {TimeScale.TRIAL: AfterNCalls(B, 1)}
stim_list = {A: [[1]]}
sched = Scheduler(composition=c)
sched.add_condition(B, EveryNCalls(A, 2))
c.scheduler = sched
c.run(inputs=stim_list, termination_processing=term_conds)
terminal_mech = B
expected_output = [
numpy.array([2.]),
]
for i in range(len(expected_output)):
numpy.testing.assert_allclose(
expected_output[i],
terminal_mech.get_output_values(c)[i])
def test_triangle_4b(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
C = TransferMechanism(function=Linear(intercept=1.5), name='scheduler-pytests-C')
for m in [A, B, C]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), A, C)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, All(WhenFinished(A), AfterNCalls(B, 3)))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(C, 1)
output = []
i = 0
for step in sched.run(termination_conds=termination_conds):
if i == 10:
A._is_finished = True
output.append(step)
i += 1
expected_output = [A, A, B, A, A, B, A, A, B, A, A, set([B, C])]
# pprint.pprint(output)
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_three_ABAC_convenience(self):
A = IntegratorMechanism(name='A',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
B = TransferMechanism(
name='B',
default_variable=[0],
function=Linear(slope=2.0),
)
C = TransferMechanism(
name='C',
default_variable=[0],
function=Linear(slope=2.0),
)
p = Process(default_variable=[0], pathway=[A, B], name='p')
q = Process(default_variable=[0], pathway=[A, C], name='q')
s = System(processes=[p, q], name='s')
term_conds = {TimeScale.TRIAL: AfterNCalls(C, 1)}
stim_list = {A: [[1]]}
s.scheduler_processing.add_condition(
B, Any(AtNCalls(A, 1), EveryNCalls(A, 2)))
s.scheduler_processing.add_condition(C, EveryNCalls(A, 2))
s.run(inputs=stim_list, termination_processing=term_conds)
terminal_mechs = [B, C]
expected_output = [
[
numpy.array([1.]),
],
[
numpy.array([2.]),
],
]
for m in range(len(terminal_mechs)):
for i in range(len(expected_output[m])):
numpy.testing.assert_allclose(
expected_output[m][i],
terminal_mechs[m].get_output_values(s)[i])
def test_multisource_2(self):
comp = Composition()
A1 = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A1')
A2 = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A2')
B1 = TransferMechanism(function=Linear(intercept=4.0), name='B1')
B2 = TransferMechanism(function=Linear(intercept=4.0), name='B2')
B3 = TransferMechanism(function=Linear(intercept=4.0), name='B3')
C1 = TransferMechanism(function=Linear(intercept=1.5), name='C1')
C2 = TransferMechanism(function=Linear(intercept=.5), name='C2')
for m in [A1, A2, B1, B2, B3, C1, C2]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A1, B1)
comp.add_projection(MappingProjection(), A1, B2)
comp.add_projection(MappingProjection(), A2, B1)
comp.add_projection(MappingProjection(), A2, B2)
comp.add_projection(MappingProjection(), A2, B3)
comp.add_projection(MappingProjection(), B1, C1)
comp.add_projection(MappingProjection(), B2, C1)
comp.add_projection(MappingProjection(), B1, C2)
comp.add_projection(MappingProjection(), B3, C2)
sched = Scheduler(composition=comp)
sched.add_condition_set({
A1: Always(),
A2: Always(),
B1: EveryNCalls(A1, 2),
B3: EveryNCalls(A2, 2),
B2: All(EveryNCalls(A1, 4), EveryNCalls(A2, 4)),
C1: Any(AfterNCalls(B1, 2), AfterNCalls(B2, 2)),
C2: Any(AfterNCalls(B2, 2), AfterNCalls(B3, 2)),
})
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = All(AfterNCalls(C1, 1), AfterNCalls(C2, 1))
output = list(sched.run(termination_conds=termination_conds))
expected_output = [
set([A1, A2]), set([A1, A2]), set([B1, B3]), set([A1, A2]), set([A1, A2]), set([B1, B2, B3]), set([C1, C2])
]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_linear_ABB(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
for m in [A, B]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(A, Any(AtPass(0), EveryNCalls(B, 2)))
sched.add_condition(B, Any(EveryNCalls(A, 1), EveryNCalls(B, 1)))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(B, 8, time_scale=TimeScale.TRIAL)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, B, B, A, B, B, A, B, B, A, B, B]
assert output == pytest.helpers.setify_expected_output(expected_output)
def _validate_conditions(self):
unspecified_nodes = []
for node in self.nodes:
if node not in self.conditions:
dependencies = list(self.dependency_dict[node])
if len(dependencies) == 0:
cond = Always()
elif len(dependencies) == 1:
cond = EveryNCalls(dependencies[0], 1)
else:
cond = All(*[EveryNCalls(x, 1) for x in dependencies])
self.conditions.add_condition(node, cond)
unspecified_nodes.append(node)
if len(unspecified_nodes) > 0:
logger.info(
'These nodes have no Conditions specified, and will be scheduled with conditions: {0}'
.format({
node: self.conditions[node]
for node in unspecified_nodes
}))
def test_no_termination_conds(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
C = TransferMechanism(function=Linear(intercept=1.5), name='scheduler-pytests-C')
for m in [A, B, C]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), B, C)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, EveryNCalls(B, 3))
output = list(sched.run())
expected_output = [
A, A, B, A, A, B, A, A, B, C,
]
# pprint.pprint(output)
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_termination_conditions_reset(self):
A = IntegratorMechanism(name='A',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
B = TransferMechanism(
name='B',
default_variable=[0],
function=Linear(slope=2.0),
)
p = Process(default_variable=[0], pathway=[A, B], name='p')
s = System(processes=[p],
name='s',
reinitialize_mechanisms_when=Never())
term_conds = {TimeScale.TRIAL: AfterNCalls(B, 2)}
stim_list = {A: [[1]]}
sched = Scheduler(system=s)
sched.add_condition(B, EveryNCalls(A, 2))
s.scheduler_processing = sched
s.run(inputs=stim_list, termination_processing=term_conds)
# A should run four times
terminal_mech = B
expected_output = [
numpy.array([4.]),
]
for i in range(len(expected_output)):
numpy.testing.assert_allclose(
expected_output[i],
terminal_mech.get_output_values(s)[i])
s.run(inputs=stim_list, )
# A should run an additional two times
terminal_mech = B
expected_output = [
numpy.array([6.]),
]
for i in range(len(expected_output)):
numpy.testing.assert_allclose(
expected_output[i],
terminal_mech.get_output_values(s)[i])
def test_partial_override_scheduler(self):
comp = Composition()
A = TransferMechanism(name='scheduler-pytests-A')
B = TransferMechanism(name='scheduler-pytests-B')
for m in [A, B]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(B, EveryNCalls(A, 2))
termination_conds = {TimeScale.TRIAL: AfterNCalls(B, 2)}
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, A, B, A, A, B]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_six_integrators_threelayer_mixed(self):
A = IntegratorMechanism(name='A',
default_variable=[0],
function=SimpleIntegrator(rate=1))
B = IntegratorMechanism(name='B',
default_variable=[0],
function=SimpleIntegrator(rate=1))
C = IntegratorMechanism(name='C',
default_variable=[0],
function=SimpleIntegrator(rate=1))
D = IntegratorMechanism(name='D',
default_variable=[0],
function=SimpleIntegrator(rate=1))
E = IntegratorMechanism(name='E',
default_variable=[0],
function=SimpleIntegrator(rate=1))
F = IntegratorMechanism(name='F',
default_variable=[0],
function=SimpleIntegrator(rate=1))
c = Composition(pathways=[[A, C, E], [A, C, F], [A, D, E], [A, D, F],
[B, C, E], [B, C, F], [B, D, E], [B, D, F]])
term_conds = {
TimeScale.TRIAL: All(AfterNCalls(E, 1), AfterNCalls(F, 1))
}
stim_list = {A: [[1]], B: [[1]]}
sched = Scheduler(composition=c)
sched.add_condition(B, EveryNCalls(A, 2))
sched.add_condition(C, EveryNCalls(A, 1))
sched.add_condition(D, EveryNCalls(B, 1))
sched.add_condition(E, EveryNCalls(C, 1))
sched.add_condition(F, EveryNCalls(D, 2))
c.scheduler = sched
c.run(inputs=stim_list, termination_processing=term_conds)
# Intermediate time steps
#
# 0 1 2 3
#
# A 1 2 3 4
# B 1 2
# C 1 4 8 14
# D 3 9
# E 1 8 19 42
# F 23
#
expected_output = {
A: [
numpy.array([4.]),
],
B: [
numpy.array([2.]),
],
C: [
numpy.array([14.]),
],
D: [
numpy.array([9.]),
],
E: [
numpy.array([42.]),
],
F: [
numpy.array([23.]),
],
}
for m in expected_output:
for i in range(len(expected_output[m])):
numpy.testing.assert_allclose(expected_output[m][i],
m.get_output_values(c)[i])
