def test_duallinker_mismatch():
if not theano.config.cxx:
raise SkipTest("G++ not available, so we need to skip this test.")
x, y, z = inputs()
# bad_sub is correct in C but erroneous in Python
e = bad_sub(mul(x, y), mul(y, z))
g = Env([x, y, z], [e])
lnk = DualLinker(checker=_my_checker).accept(g)
fn = lnk.make_function()
# good
assert CLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -4.0
# good
assert OpWiseCLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -4.0
# (purposely) wrong
assert PerformLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -10.0
try:
# this runs OpWiseCLinker and PerformLinker in parallel and feeds
# variables of matching operations to _my_checker to verify that they
# are the same.
fn(1.0, 2.0, 3.0)
raise Exception("An exception should have been raised here!")
except MyExc as e:
pass
def test_0(self):
nodes = []
def wrap(i, node, th):
nodes.append(node.op)
x, y, z = inputs()
e = mul(add(x, y), div(x, y))
fn, i, o = wrap_linker(FunctionGraph([x, y, z], [e]),
[PerformLinker(allow_gc=False)],
wrap).make_thunk()
i[0].data = 1
i[1].data = 2
fn()
assert nodes == [div, add, mul]
assert o[0].data is None
def test_duallinker_mismatch():
x, y, z = inputs()
# bad_sub is correct in C but erroneous in Python
e = bad_sub(mul(x, y), mul(y, z))
g = Env([x, y, z], [e])
lnk = DualLinker(checker=_my_checker).accept(g)
fn = lnk.make_function()
# good
assert CLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -4.0
# good
assert OpWiseCLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -4.0
# (purposely) wrong
assert PerformLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -10.0
with pytest.raises(MyExc):
# this runs OpWiseCLinker and PerformLinker in parallel and feeds
# variables of matching operations to _my_checker to verify that they
# are the same.
fn(1.0, 2.0, 3.0)
def test_duallinker_mismatch():
x, y, z = inputs()
e = sub(mul(x, y), mul(y,
z)) # sub is correct in C but erroneous in Python
g = Env([x, y, z], [e])
lnk = DualLinker(checker=_my_checker).accept(g)
fn = lnk.make_function()
assert CLinker().accept(g).make_function()(1.0, 2.0, 3.0) == -4.0 # good
assert OpWiseCLinker().accept(g).make_function()(1.0, 2.0,
3.0) == -4.0 # good
assert PerformLinker().accept(g).make_function()(
1.0, 2.0, 3.0) == -10.0 # (purposely) wrong
try:
# this runs OpWiseCLinker and PerformLinker in parallel and feeds
# variables of matching operations to _my_checker to verify that they
# are the same.
res = fn(1.0, 2.0, 3.0)
raise Exception("An exception should have been raised here!")
except MyExc, e:
pass
def perform_linker(fgraph):
lnk = PerformLinker().accept(fgraph)
return lnk