def validate(shape, value, dtype):
def before_left(x, elem_op, full):
return elem_op(full, x)
def after_left(x, elem_op, value):
return elem_op(relay.const(value, dtype), x)
def before_right(x, elem_op, full):
return elem_op(x, full)
def after_right(x, elem_op, value):
return elem_op(x, relay.const(value, dtype))
x = relay.var("x", shape=shape, dtype=dtype)
elem_ops = [relay.add, relay.multiply, relay.subtract, relay.divide]
full_ops = []
if value == 0:
full_ops.append(relay.zeros(shape, dtype))
full_ops.append(relay.zeros_like(x))
if value == 1:
full_ops.append(relay.ones(shape, dtype))
full_ops.append(relay.ones_like(x))
else:
full_ops.append(relay.full(relay.const(value, dtype), shape))
full_ops.append(relay.full_like(x, relay.const(value, dtype)))
for op in elem_ops:
for full in full_ops:
z = before_left(x, op, full)
zz = run_opt_pass(z, transform.SimplifyExpr())
after = run_opt_pass(after_left(x, op, value),
transform.InferType())
assert tvm.ir.structural_equal(zz, after)
z = before_right(x, op, full)
zz = run_opt_pass(z, transform.SimplifyExpr())
after = run_opt_pass(after_right(x, op, value),
transform.InferType())
assert tvm.ir.structural_equal(zz, after)
# Test the case in which x is broadcast to full's shape
full_ops = []
if value == 0:
full_ops.append(relay.zeros(shape * 2, dtype))
if value == 1:
full_ops.append(relay.ones(shape * 2, dtype))
else:
full_ops.append(relay.full(relay.const(value, dtype), shape * 2))
for op in elem_ops:
for full in full_ops:
z = before_left(x, op, full)
zz = run_opt_pass(z, transform.SimplifyExpr())
after = run_opt_pass(before_left(x, op, full),
transform.InferType())
assert tvm.ir.structural_equal(zz, after)
z = before_right(x, op, full)
zz = run_opt_pass(z, transform.SimplifyExpr())
after = run_opt_pass(before_right(x, op, full),
transform.InferType())
assert tvm.ir.structural_equal(zz, after)
def test_concretize_ones_like():
dtype = "int32"
shape_like = relay.var("shape_like", shape=(3, 4, 5), dtype=dtype)
expr = relay.ones_like(shape_like)
expected = run_infer_type(relay.ones((3, 4, 5), dtype))
actual = run_opt_pass(expr, relay.transform.SimplifyExpr())
assert tvm.ir.structural_equal(actual, expected)
def test_ones_like(self):
c = relay.expr.const(np.ones((1, 6, 4, 4), np.float32))
net = relay.ones_like(c)
net = relay.Function([], net)
mod = tvm.IRModule.from_expr(net)
mod = relay.transform.InferType()(mod)
xgraph = xf_relay.from_relay(mod, {})
layers = xgraph.get_layers()
assert layers[0].type[0] == "Constant"
assert layers[1].type[0] == "AnyOp"
assert layers[1].shapes == [1, 6, 4, 4]
def test_ones_like():
"""Simple test using "ones_like" op"""
mod = tvm.IRModule()
shape = (10, 10)
dtype = "float32"
t = relay.TensorType(shape, dtype)
x = relay.var("x", t)
y = relay.Function([x], x + relay.ones_like(x))
mod["main"] = y
mod = transform.InferType()(mod)
mod = transform.LazyGradientInit()(mod)
y = mod["main"]
assert mod["main"].checked_type == relay.FuncType([t], t)
x = rand(dtype, *shape)
y = create_executor(mod=mod).evaluate(y)(x)
assert_allclose(y.numpy(), x.numpy() + np.ones_like(x.numpy()))
def test_concretize_multiple():
x = relay.var("x", shape=(2, 3), dtype="float32")
y = relay.var("y", shape=(3, ), dtype="float32")
l = x + y
dl = relay.ones_like(l)
dx = relay.zeros_like(x)
dy = relay.zeros_like(y)
dx = dx + relay.collapse_sum_like(dl, dx)
dy = dy + relay.collapse_sum_like(dl, dy)
ret = relay.Tuple([dx, dy])
dl_c = relay.ones((2, 3), "float32")
# NOTE: these are removed by EliminateIdentity
# dx_c = relay.zeros((2, 3), "float32")
# dy_c = relay.zeros((3,), "float32")
dx_c = relay.collapse_sum_to(dl_c, (2, 3))
dy_c = relay.collapse_sum_to(dl_c, (3, ))
ret_c = relay.Tuple([dx_c, dy_c])
expected = run_infer_type(ret_c)
actual = run_opt_pass(ret, relay.transform.SimplifyExpr())
assert tvm.ir.structural_equal(actual, expected)
