test(mge/optimizer): fix test for new optimizer api

GitOrigin-RevId: 482ee6265224f7fcc4c21300a597d36b4333cca3

imperative/python/megengine/distributed/functional.py

@@ -40,7 +40,7 @@ __all__ = [
 ]
 
 
-@apply.add
+@apply.register()
 def _(op: RemoteSend, *args: Tensor):
     ret = tensor_apply(op, *args)
 

imperative/python/test/integration/test_dp_correctness.py

@@ -133,7 +133,7 @@ def update_model(model_path):
     data = Tensor(checkpoint["data"], dtype=np.float32)
     label = Tensor(checkpoint["label"], dtype=np.int32)
 
-    opt.zero_grad()
+    opt.clear_grad()
     loss = train(data, label, net=net, opt=opt)
     opt.step()
 

imperative/python/test/integration/test_optimizer.py

@@ -73,17 +73,18 @@ def _test_optimizer(opt_str, test_case, check_class, update_lr=False):
     for symbolic in (False, True):
 
         @trace(symbolic=symbolic)
-        def train_func(data, *, opt=None):
-            opt.zero_grad()
-            with opt.record():
+        def train_func(data, *, opt=None, gm=None):
+            opt.clear_grad()
+            with gm.record():
                 pred = net(data)
                 loss = pred.sum()
-                opt.backward(loss)
+                gm.backward(loss)
             opt.step()
 
         # reset net and opt
         net = Simple()
         opt = getattr(optimizer, opt_str)(net.parameters(), **test_case)
+        gm = ad.GradManager().register(net.parameters())
         check_func = check_class(net, **test_case)
         step = 0
         for i in range(iter_num):
@@ -96,7 +97,7 @@ def _test_optimizer(opt_str, test_case, check_class, update_lr=False):
             for param in net.parameters():
                 ori_params[param] = np.copy(param.numpy())
 
-            train_func(np.random.random(data_shape).astype(np.float32), opt=opt)
+            train_func(np.random.random(data_shape).astype(np.float32), opt=opt, gm=gm)
             step += 1
             check_func(ori_params, net.parameters(), step)
 

imperative/python/test/integration/test_sgd_momentum.py

@@ -67,23 +67,24 @@ def test_sgd_momentum_trace():
     for symbolic in (True, False):
 
         @trace(symbolic=symbolic)
-        def train_func(data, *, model=None, optim=None):
-            optim.zero_grad()
-            with optim.record():
+        def train_func(data, *, model=None, optim=None, gm=None):
+            optim.clear_grad()
+            with gm.record():
                 loss = net(data)
-                optim.backward(loss)
+                gm.backward(loss)
             optim.step()
             return loss
 
         @trace(symbolic=symbolic)
-        def eval_func(data, *, model=None, optim=None):
+        def eval_func(data, *, model=None, optim=None, gm=None):
             loss = net(data)
             return loss
 
         net = Simple()
         optim = optimizer.SGD(net.parameters(), lr=1.0, momentum=0.9)
+        gm = ad.GradManager().register(net.parameters())
         data = tensor([2.34])
-        train_func(data, model=net, optim=optim)
+        train_func(data, model=net, optim=optim, gm=gm)
         np.testing.assert_almost_equal(
             optim._state[net.a]["momentum_buffer"].numpy(), 2.34
         )
@@ -97,7 +98,7 @@ def test_sgd_momentum_trace():
             )
 
         # do a step of train
-        train_func(data, model=net, optim=optim)
+        train_func(data, model=net, optim=optim, gm=gm)
         np.testing.assert_almost_equal(loss.numpy(), 2.34 * (1.23 - 2.34), 5)
         np.testing.assert_almost_equal(
             optim._state[net.a]["momentum_buffer"].numpy(), 0.9 * 2.34 + 2.34

imperative/python/test/integration/test_trace_dump.py

@@ -17,6 +17,7 @@ import megengine.functional as F
 import megengine.module as M
 import megengine.optimizer as optim
 from megengine import tensor
+from megengine.autodiff import GradManager
 from megengine.jit import trace
 
 
@@ -61,17 +62,18 @@ class XORNet(M.Module):
 def test_xornet_trace_dump():
     net = XORNet()
     opt = optim.SGD(net.parameters(requires_grad=True), lr=0.01, momentum=0.9)
+    gm = GradManager().register(net.parameters(requires_grad=True))
     batch_size = 64
     train_dataset = minibatch_generator(batch_size)
     val_dataset = minibatch_generator(batch_size)
 
     @trace
     def train_fun(data, label):
-        with opt.record():
+        with gm.record():
             net.train()
             pred = net(data)
             loss = F.cross_entropy_with_softmax(pred, label)
-            opt.backward(loss)
+            gm.backward(loss)
         return pred, loss
 
     @trace
@@ -95,7 +97,7 @@ def test_xornet_trace_dump():
             break
         data = tensor(minibatch["data"])
         label = tensor(minibatch["label"])
-        opt.zero_grad()
+        opt.clear_grad()
         _, loss = train_fun(data, label)
         train_loss.append((step, loss.numpy()))
         if step % 50 == 0: