[Eager] Support SelectedRows in eager mode (#40858)

* [Eager] Support SelectedRows in eager mode

* Remove unnecessary codes

* Adapt new dygraph flag

paddle/fluid/pybind/eager_method.cc

@@ -193,23 +193,53 @@ static PyObject* tensor_method_numpy(TensorObject* self, PyObject* args,
   }
 
   if (self->tensor.is_cpu() || self->tensor.is_gpu_pinned()) {
+    platform::CPUPlace place;
+    if (self->tensor.is_selected_rows()) {
+      VLOG(6) << "Getting SelectedRows's numpy value";
+      auto* selected_rows =
+          static_cast<phi::SelectedRows*>(self->tensor.impl().get());
+      auto* dense_tensor = static_cast<paddle::framework::LoDTensor*>(
+          selected_rows->mutable_value());
+
+      // deep copy
+      paddle::memory::Copy(
+          place,
+          reinterpret_cast<void*>(pybind11::detail::array_proxy(array)->data),
+          place, dense_tensor->data(), sizeof_dtype * numel);
+    } else {
+      VLOG(6) << "Getting DenseTensor's numpy value";
       auto dense_tensor =
           std::dynamic_pointer_cast<phi::DenseTensor>(self->tensor.impl());
-    platform::CPUPlace place;
       // deep copy
-    paddle::memory::Copy(place, reinterpret_cast<void*>(
-                                    pybind11::detail::array_proxy(array)->data),
+      paddle::memory::Copy(
+          place,
+          reinterpret_cast<void*>(pybind11::detail::array_proxy(array)->data),
           place, dense_tensor->data(), sizeof_dtype * numel);
+    }
+
 #if defined(PADDLE_WITH_CUDA)
   } else if (self->tensor.is_gpu()) {
+    if (self->tensor.is_selected_rows()) {
+      VLOG(6) << "Getting SelectedRows's numpy value";
+      auto* selected_rows =
+          static_cast<phi::SelectedRows*>(self->tensor.impl().get());
+      auto* dense_tensor = static_cast<paddle::framework::LoDTensor*>(
+          selected_rows->mutable_value());
+      paddle::platform::GpuMemcpySync(
+          pybind11::detail::array_proxy(array)->data, dense_tensor->data(),
+          paddle::framework::DataTypeSize(dense_tensor->dtype()) *
+              dense_tensor->numel(),
+          cudaMemcpyDeviceToHost);
+    } else {
+      VLOG(6) << "Getting DenseTensor's numpy value";
       auto dense_tensor =
           std::dynamic_pointer_cast<phi::DenseTensor>(self->tensor.impl());
-
       paddle::platform::GpuMemcpySync(
           pybind11::detail::array_proxy(array)->data, dense_tensor->data(),
           paddle::framework::DataTypeSize(dense_tensor->dtype()) *
               dense_tensor->numel(),
           cudaMemcpyDeviceToHost);
+    }
 #endif
   } else {
     PADDLE_THROW(platform::errors::InvalidArgument(
@@ -1149,6 +1179,26 @@ static PyObject* tensor__inplace_version(TensorObject* self, PyObject* args,
   EAGER_CATCH_AND_THROW_RETURN_NULL
 }
 
+static PyObject* tensor_method_is_selected_rows(TensorObject* self,
+                                                PyObject* args,
+                                                PyObject* kwargs) {
+  EAGER_TRY
+  return ToPyObject(self->tensor.is_selected_rows());
+  EAGER_CATCH_AND_THROW_RETURN_NULL
+}
+
+static PyObject* tensor_method_get_rows(TensorObject* self, PyObject* args,
+                                        PyObject* kwargs) {
+  EAGER_TRY
+  PADDLE_ENFORCE(self->tensor.is_selected_rows(),
+                 paddle::platform::errors::Fatal(
+                     "this method is only effective for SelectedRows"));
+  auto selected_rows =
+      std::dynamic_pointer_cast<phi::SelectedRows>(self->tensor.impl());
+  return ToPyObject(selected_rows->rows());
+  EAGER_CATCH_AND_THROW_RETURN_NULL
+}
+
 PyMethodDef variable_methods[] = {
     {"numpy", (PyCFunction)(void (*)(void))tensor_method_numpy,
      METH_VARARGS | METH_KEYWORDS, NULL},
@@ -1237,6 +1287,11 @@ PyMethodDef variable_methods[] = {
     /***the method of sparse tensor****/
     {"_inplace_version", (PyCFunction)(void (*)(void))tensor__inplace_version,
      METH_VARARGS | METH_KEYWORDS, NULL},
+    {"is_selected_rows",
+     (PyCFunction)(void (*)(void))tensor_method_is_selected_rows,
+     METH_VARARGS | METH_KEYWORDS, NULL},
+    {"rows", (PyCFunction)(void (*)(void))tensor_method_get_rows,
+     METH_VARARGS | METH_KEYWORDS, NULL},
     {NULL, NULL, 0, NULL}};
 
 }  // namespace pybind

python/paddle/fluid/clip.py

@@ -26,7 +26,7 @@ from . import core
 from . import name_scope
 from .dygraph import base as imperative_base
 from .data_feeder import check_variable_and_dtype
-from .framework import _non_static_mode
+from .framework import _non_static_mode, in_dygraph_mode, _in_legacy_dygraph
 from .layer_helper import LayerHelper
 from .framework import default_main_program
 from paddle import _C_ops
@@ -70,7 +70,13 @@ def _squared_l2_norm(x):
         sum_square = layers.reduce_sum(square)
         return sum_square
 
-    if _non_static_mode():
+    if in_dygraph_mode():
+        if x.is_selected_rows():
+            new_x = paddle.to_tensor(x.numpy())
+            return _C_ops.squared_l2_norm(new_x)
+        return _C_ops.squared_l2_norm(x)
+    else:
+        if _in_legacy_dygraph():
             return _C_ops.squared_l2_norm(x)
 
     op_type = 'squared_l2_norm'

python/paddle/fluid/dygraph/varbase_patch_methods.py

@@ -325,7 +325,8 @@ def monkey_patch_varbase():
         if framework._in_eager_mode_:
             if self.grad is None:
                 return None
-            # TODO(wanghuancoder) support SELECTED_ROWS
+            if self.grad.is_selected_rows():
+                return (np.array(self.grad.numpy()), np.array(self.grad.rows()))
             return self.grad.numpy()
         else:
             if self._grad_ivar() is None:

python/paddle/fluid/tests/unittests/test_imperative_selected_rows.py

@@ -22,6 +22,7 @@ from paddle.fluid.optimizer import SGDOptimizer
 import numpy as np
 import paddle.fluid.core as core
 import paddle
+from paddle.fluid.framework import _test_eager_guard
 
 
 class SimpleNet(paddle.nn.Layer):
@@ -39,7 +40,7 @@ class SimpleNet(paddle.nn.Layer):
 
 
 class TestSimpleNet(unittest.TestCase):
-    def test_selectedrows_gradient1(self):
+    def func_selectedrows_gradient1(self):
         places = [fluid.CPUPlace()]
         if core.is_compiled_with_cuda():
             places.append(fluid.CUDAPlace(0))
@@ -77,7 +78,12 @@ class TestSimpleNet(unittest.TestCase):
                     self.assertTrue(input_emb.gradient() is not None)
                     paddle.enable_static()
 
-    def test_selectedrows_gradient2(self):
+    def test_selectedrows_gradient1(self):
+        with _test_eager_guard():
+            self.func_selectedrows_gradient1()
+        self.func_selectedrows_gradient1()
+
+    def func_selectedrows_gradient2(self):
         places = [fluid.CPUPlace()]
         if core.is_compiled_with_cuda():
             places.append(fluid.CUDAPlace(0))
@@ -113,6 +119,11 @@ class TestSimpleNet(unittest.TestCase):
                     input_emb.clear_gradient()
                     self.assertTrue(input_emb.gradient() is not None)
 
+    def test_selectedrows_gradient2(self):
+        with _test_eager_guard():
+            self.func_selectedrows_gradient2()
+        self.func_selectedrows_gradient2()
+
 
 if __name__ == '__main__':
     unittest.main()