def test_tensor_construction():
""" Test that we can construct a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
tId = "t"
tType = _ir.TensorType.ActGrad
dc = _ir.DebugContext()
_ = _ir.Tensor(tId, tType, g)
_ = _ir.Tensor(tId, tType, g, dc)
def test_tensor_get_batch_axis():
""" Test the getBatchAxis() method of a popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
assert t.getBatchAxis() == -1
def test_tensor_str():
""" Test the str() method of a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
Tensor = lambda id: _ir.Tensor(id, _ir.TensorType.ActGrad, g)
assert Tensor("t0").str() == "t0"
assert Tensor("t1").str() == "t1"
def test_tensor_get_debug_info():
""" Test the getDebugInfo() method of a popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
_ = t.getDebugInfo()
def test_tensor_clone():
""" Test the clone() method of a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
t0 = _ir.Tensor("t0", _ir.TensorType.ActGrad, g)
t1 = t0.clone(g)
assert f"clone_{t0.str()}" == t1.str()
assert t0.info == t1.info
def test_tensor_tensor_type0():
""" Test the tensorType() method of a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
Tensor = lambda id, type: _ir.Tensor(id, type, g)
tTypes = [_ir.TensorType.ActGrad, _ir.TensorType.Const]
for i, tType in enumerate(tTypes):
assert Tensor(f"t{i}", tType).tensorType() == tType
def test_tensor_tensor_type1():
""" Test the tensor_type() method of a popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
Tensor = lambda id, type: _ir.Tensor(id, type, g)
tTypes = {_ir.TensorType.ActGrad: "ActGrad", _ir.TensorType.Const: "Const"}
for i, (tType, tTypeStr) in enumerate(tTypes.items()):
assert Tensor(f"t{i}", tType).tensor_type() == tTypeStr
def test_tensor_has_virtual_graph_id():
""" Test the hasVirtualGraphId() method of a popart._internal.ir.Tensor
object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
# TODO(T42205): Test that hasVirtualGraphId() returns the expected values.
t.hasVirtualGraphId()
def test_tensor_get_ir():
""" Test the getIr() method of a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
irFromTensor = t.getIr()
assert g.id == irFromTensor.getAllGraphs()[1].id
irFromTensor = t.getIr_const()
assert g.id == irFromTensor.getAllGraphs()[1].id
def test_tensor_get_graph():
""" Test the getGraph() method of a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
gFromTensor = t.getGraph()
assert g.id == gFromTensor.id
gFromTensor = t.getGraph_const()
assert g.id == gFromTensor.id
def test_tensor_get_virtual_graph_id_unsafe():
""" Test the getVirtualGraphIdUnsafe() method of a
popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
# TODO(T42205): Test that getVirtualGraphIdUnsafe() returns the expected
# values.
t.getVirtualGraphIdUnsafe()
def test_tensor_get_set_replicated_streaming_mode():
""" Test the getReplicatedStreamMode() and setReplicatedStreamMode() methods
of a popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
assert t.getReplicatedStreamMode() == popart.ReplicatedStreamMode.Replicate
t.setReplicatedStreamMode(popart.ReplicatedStreamMode.Broadcast)
assert t.getReplicatedStreamMode() == popart.ReplicatedStreamMode.Broadcast
def test_tensor_has_tensor_data():
""" Test the hasTensorData() method of a popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
assert t.hasTensorData() == False
buffer = np.random.rand(2, 3, 4)
tInfo = _ir.TensorInfo(_ir.DataType.FLOAT, buffer.shape)
t.setTensorData(tInfo, buffer)
assert t.hasTensorData() == True
def test_tensor_set_tensor_type():
""" Test the setTensorType() method of a popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
tTypeOld = _ir.TensorType.ActGrad
tTypeNew = _ir.TensorType.Const
t = _ir.Tensor("t", tTypeOld, g)
assert t.tensorType() == tTypeOld
t.setTensorType(tTypeNew)
assert t.tensorType() == tTypeNew
def test_tensor_get_virtual_graph_id():
""" Test the getVirtualGraphId() method of a popart._internal.ir.Tensor
object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
with pytest.raises(popart.popart_exception) as e_info:
t.getVirtualGraphId()
assert e_info.value.args[0] == (
"Invalid call to getVirtualGraphId, Tensor does not have one")
def test_tensor_tensor_data():
""" Test the tensorData() and setTensorData() methods of a
popart._internal.ir.Tensor object.
"""
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
with pytest.raises(popart.popart_exception) as e_info:
t.tensorData()
assert e_info.value.args[0] == "Data not set for t"
with pytest.raises(popart.popart_exception) as e_info:
t.tensorData_const()
assert e_info.value.args[0] == "Data not set for t"
buffer = np.random.rand(2, 3, 4)
tInfo = _ir.TensorInfo(_ir.DataType.FLOAT, buffer.shape)
t.setTensorData(tInfo, buffer)
# TODO(T42205): Test that the returned tensor data matches the one that was
# set.
t.tensorData()
t.tensorData_const()
def test_tensor_id():
""" Test the id attribute of a popart._internal.ir.Tensor object. """
ir = _ir.Ir()
g = ir.createGraph("g")
t = _ir.Tensor("t", _ir.TensorType.ActGrad, g)
assert t.id == "t"