[Eager] Slice (#40587)

* fix some slice bug, test=develop

* eager slice, test=develop

* eager slice, test=develop

* refine, test=develop

* refine, test=develop

* fix bug, test=develop

* refine, test=develop

* rename function name, test=develop

paddle/fluid/imperative/tracer.cc

@@ -176,6 +176,20 @@ void Tracer::TraceOp(const std::string& type, const NameVarMap<VarType>& ins,
                      const std::map<std::string, std::string>& inplace_map,
                      paddle::framework::AttributeMap* passed_default_attrs_,
                      bool use_default_attr_map) {
+  TraceOpImpl<VarType>(type, ins, outs, attrs, place, trace_backward,
+                       inplace_map, passed_default_attrs_,
+                       use_default_attr_map);
+}
+
+template <typename VarType>
+void Tracer::TraceOpImpl(const std::string& type,
+                         const NameVarMap<VarType>& ins,
+                         const NameVarMap<VarType>& outs,
+                         framework::AttributeMap& attrs,
+                         const platform::Place& place, bool trace_backward,
+                         const std::map<std::string, std::string>& inplace_map,
+                         paddle::framework::AttributeMap* passed_default_attrs_,
+                         bool use_default_attr_map) {
   platform::RecordEvent op_type_record_event(
       type + " trace_op", platform::TracerEventType::Operator, 1);
   platform::ScopedFlushDenormal flush;
@@ -340,25 +354,33 @@ void Tracer::TraceOp(const std::string& type, const NameVarBaseMap& ins,
 
 void Tracer::TraceOp(const std::string& type, const NameTensorMap& ins,
                      const NameTensorMap& outs,
-                     paddle::framework::AttributeMap attrs,
+                     paddle::framework::AttributeMap& attrs,
                      const paddle::platform::Place& place,
                      paddle::framework::AttributeMap* default_attrs,
                      bool use_default_attr_map,
                      const std::map<std::string, std::string>& inplace_map) {
   VLOG(6) << "Running On Eager TraceOp with use_default_attr_map: "
           << use_default_attr_map;
-  TraceOp<egr::EagerVariable>(type, ins, outs, std::move(attrs), place, false,
-                              inplace_map, default_attrs, use_default_attr_map);
+  TraceOpImpl<egr::EagerVariable>(type, ins, outs, attrs, place, false,
+                                  inplace_map, default_attrs,
+                                  use_default_attr_map);
+}
+
+void Tracer::TraceOp(const std::string& type, const NameTensorMap& ins,
+                     const NameTensorMap& outs,
+                     paddle::framework::AttributeMap attrs) {
+  VLOG(6) << "Running On Eager TraceOp(4 agrs): ";
+  TraceOpImpl<egr::EagerVariable>(type, ins, outs, attrs, expected_place_,
+                                  false, {}, nullptr, true);
 }
 
 void Tracer::TraceOp(const std::string& type, const NameTensorMap& ins,
                      const NameTensorMap& outs,
-                     paddle::framework::AttributeMap attrs,
+                     paddle::framework::AttributeMap& attrs,
                      const std::map<std::string, std::string>& inplace_map) {
   VLOG(6) << "Running On Eager TraceOp(less): ";
-  TraceOp<egr::EagerVariable>(type, ins, outs, std::move(attrs),
-                              expected_place_, false, inplace_map, nullptr,
-                              true);
+  TraceOpImpl<egr::EagerVariable>(type, ins, outs, attrs, expected_place_,
+                                  false, inplace_map, nullptr, true);
 }
 
 void Tracer::SetExpectedPlace(platform::Place place) {

paddle/fluid/imperative/tracer.h

@@ -74,16 +74,32 @@ class Tracer {
                paddle::framework::AttributeMap* passed_default_attrs_ = nullptr,
                bool use_default_attr_map = true);
 
+  template <typename VarType>
+  void TraceOpImpl(
+      const std::string& type, const NameVarMap<VarType>& ins,
+      const NameVarMap<VarType>& outs,
+      framework::AttributeMap& attrs,  // NOLINT
+      const platform::Place& place, bool trace_backward,
+      const std::map<std::string, std::string>& inplace_map = {},
+      paddle::framework::AttributeMap* passed_default_attrs_ = nullptr,
+      bool use_default_attr_map = true);
+
   void TraceOp(const std::string& type, const NameVarBaseMap& ins,
                const NameVarBaseMap& outs, framework::AttributeMap attrs,
                const std::map<std::string, std::string>& inplace_map = {});
 
   void TraceOp(const std::string& type, const NameTensorMap& ins,
-               const NameTensorMap& outs, paddle::framework::AttributeMap attrs,
+               const NameTensorMap& outs,
+               paddle::framework::AttributeMap& attrs,  // NOLINT
                const std::map<std::string, std::string>& inplace_map = {});
 
   void TraceOp(const std::string& type, const NameTensorMap& ins,
-               const NameTensorMap& outs, paddle::framework::AttributeMap attrs,
+               const NameTensorMap& outs,
+               paddle::framework::AttributeMap attrs);
+
+  void TraceOp(const std::string& type, const NameTensorMap& ins,
+               const NameTensorMap& outs,
+               paddle::framework::AttributeMap& attrs,  // NOLINT
                const paddle::platform::Place& place,
                paddle::framework::AttributeMap* default_attrs,
                bool use_default_attr_map,

paddle/fluid/pybind/eager_method.cc

@@ -25,6 +25,7 @@ limitations under the License. */
 #include "paddle/fluid/eager/hooks.h"
 #include "paddle/fluid/eager/utils.h"
 #include "paddle/fluid/framework/convert_utils.h"
+#include "paddle/fluid/framework/python_headers.h"
 #include "paddle/fluid/memory/allocation/allocator.h"
 #include "paddle/fluid/memory/memcpy.h"
 #include "paddle/fluid/platform/enforce.h"
@@ -32,12 +33,14 @@ limitations under the License. */
 #include "paddle/fluid/pybind/eager_utils.h"
 #include "paddle/fluid/pybind/exception.h"
 #include "paddle/fluid/pybind/slice_utils.h"
+#include "paddle/fluid/pybind/tensor_py.h"
 #include "paddle/phi/api/include/api.h"
 #include "paddle/phi/common/data_type.h"
 #include "paddle/phi/core/compat/convert_utils.h"
 #include "paddle/phi/core/dense_tensor.h"
 #include "paddle/phi/core/sparse_coo_tensor.h"
 #include "paddle/phi/core/sparse_csr_tensor.h"
+#include "pybind11/detail/internals.h"
 
 namespace paddle {
 namespace pybind {
@@ -150,12 +153,22 @@ bool PyCheckTensor(PyObject* obj) {
 static PyObject* tensor_method_numpy(TensorObject* self, PyObject* args,
                                      PyObject* kwargs) {
   EAGER_TRY
-  PADDLE_ENFORCE_EQ(
-      self->tensor.initialized(), true,
-      platform::errors::InvalidArgument(
-          "Tensor data of %s is Empty that indicates we have null tensor for "
-          "now, please check if it has no data and initialize it first.",
-          self->tensor.name()));
+  auto& api = pybind11::detail::npy_api::get();
+  if (!self->tensor.impl()) {
+    Py_intptr_t py_dims[paddle::framework::DDim::kMaxRank];
+    Py_intptr_t py_strides[paddle::framework::DDim::kMaxRank];
+    py_dims[0] = 0;
+    py_strides[0] = 0;
+
+    PyObject* array = api.PyArray_NewFromDescr_(
+        api.PyArray_Type_,
+        api.PyArray_DescrFromType_(pybind11::detail::npy_api::NPY_FLOAT_), 1,
+        py_dims, py_strides, nullptr,
+        pybind11::detail::npy_api::NPY_ARRAY_ALIGNED_ |
+            pybind11::detail::npy_api::NPY_ARRAY_WRITEABLE_,
+        nullptr);
+    return array;
+  }
   auto tensor_dims = self->tensor.shape();
   auto numpy_dtype = TensorDtype2NumpyDtype(self->tensor.type());
   auto sizeof_dtype = paddle::framework::DataTypeSize(self->tensor.type());
@@ -167,7 +180,7 @@ static PyObject* tensor_method_numpy(TensorObject* self, PyObject* args,
     py_strides[i] = sizeof_dtype * numel;
     numel *= py_dims[i];
   }
-  auto& api = pybind11::detail::npy_api::get();
+
   PyObject* array = api.PyArray_NewFromDescr_(
       api.PyArray_Type_, api.PyArray_DescrFromType_(numpy_dtype),
       tensor_dims.size(), py_dims, py_strides, nullptr,
@@ -175,6 +188,10 @@ static PyObject* tensor_method_numpy(TensorObject* self, PyObject* args,
           pybind11::detail::npy_api::NPY_ARRAY_WRITEABLE_,
       nullptr);
 
+  if (!self->tensor.impl()->initialized()) {
+    return array;
+  }
+
   if (self->tensor.is_cpu() || self->tensor.is_gpu_pinned()) {
     auto dense_tensor =
         std::dynamic_pointer_cast<phi::DenseTensor>(self->tensor.impl());
@@ -213,6 +230,20 @@ static PyObject* tensor_method__is_initialized(TensorObject* self,
   EAGER_CATCH_AND_THROW_RETURN_NULL
 }
 
+static PyObject* tensor_method__is_dense_tensor_hold_allocation(
+    TensorObject* self, PyObject* args, PyObject* kwargs) {
+  EAGER_TRY
+  auto dense_tensor =
+      std::dynamic_pointer_cast<phi::DenseTensor>(self->tensor.impl());
+  if (dense_tensor) {
+    return ToPyObject(dense_tensor->IsInitialized());
+  } else {
+    return ToPyObject(false);
+  }
+
+  EAGER_CATCH_AND_THROW_RETURN_NULL
+}
+
 static PyObject* tensor_method__copy_to(TensorObject* self, PyObject* args,
                                         PyObject* kwargs) {
   EAGER_TRY
@@ -552,10 +583,13 @@ static PyObject* tensor__getitem_index_not_tensor(TensorObject* self,
     }
     if (op_type == "slice") {
       out = slice_dygraph_function(self->tensor, paddle::experimental::Tensor(),
-                                   paddle::experimental::Tensor(),
+                                   paddle::experimental::Tensor(), {}, {},
                                    std::move(attrs));
     } else if (op_type == "strided_slice") {
-      out = strided_slice_dygraph_function(self->tensor, attrs);
+      out = strided_slice_dygraph_function(
+          self->tensor, paddle::experimental::Tensor(),
+          paddle::experimental::Tensor(), paddle::experimental::Tensor(), {},
+          {}, {}, attrs);
     } else {
       PADDLE_THROW(platform::errors::InvalidArgument(
           "Slice is only support slice and strided_slice, but we got %s which "
@@ -604,6 +638,7 @@ static PyObject* tensor__getitem_index_not_tensor(TensorObject* self,
     auto select_index = paddle::experimental::Tensor(
         egr::Controller::Instance().GenerateUniqueName());
     auto idx_tensor = std::make_shared<phi::DenseTensor>();
+    select_index.set_impl(idx_tensor);
     auto* dev_ctx = platform::DeviceContextPool::Instance().Get(
         egr::Controller::Instance().GetExpectedPlace());
     paddle::framework::TensorFromVector(list_select_idxs, *dev_ctx,
@@ -617,6 +652,216 @@ static PyObject* tensor__getitem_index_not_tensor(TensorObject* self,
   EAGER_CATCH_AND_THROW_RETURN_NULL
 }
 
+static PyObject* tensor_method__setitem_eager_tensor(TensorObject* self,
+                                                     PyObject* args,
+                                                     PyObject* kwargs) {
+  EAGER_TRY
+  VLOG(4) << "Call __setitem_eager_tensor";
+
+  auto self_tensor = static_cast<phi::DenseTensor*>(self->tensor.impl().get());
+
+  PyObject* _index = PyTuple_GET_ITEM(args, 0);
+  PyObject* value_obj = PyTuple_GET_ITEM(args, 1);
+  // NOTE(zhiqiu): PyTuple_Pack increases refcount while PyTuple_New
+  // https://github.com/python/cpython/blob/24b63c695ae0a95b06379eaadace66735abac1e2/Objects/tupleobject.c#L251
+  PyObject* index_ptr =
+      !PyTuple_Check(_index) ? PyTuple_Pack(1, _index) : _index;
+  DEFINE_PADDLE_SCOPE_GUARD([index_ptr, &_index]() {
+    if (!PyTuple_Check(_index)) {
+      Py_DECREF(index_ptr);
+      VLOG(4) << "Call Py_DECREF";
+    }
+  });
+
+  // TODO(pangyoki) add inplace(BumpInplaceVersion) if need
+
+  // 1. Check argumnets
+  bool parse_index = true;
+
+  // Check whether _index can be parsed.
+  const int size = PyTuple_GET_SIZE(index_ptr);
+  for (int dim = 0; dim < size; ++dim) {
+    PyObject* slice_item = PyTuple_GetItem(index_ptr, dim);
+    if (!(PyCheckInteger(slice_item) || PySlice_Check(slice_item) ||
+          slice_item == Py_Ellipsis || slice_item == Py_None)) {
+      parse_index = false;
+      break;
+    }
+  }
+
+  // 2. Call op set_value to speed up if the condition is met,
+  // otherwise call TensorToPyArray.
+  // TODO(liym27): Try not to call TensorToPyArray because it always
+  // copys data to cpu place, which reduces performance.
+  if (parse_index) {
+    std::vector<int> axes, starts, ends, steps, decrease_axes, none_axes,
+        infer_flags, list_select_idxs;
+    // if index is a list, list_select_flag will be true
+    bool list_select_flag = false;
+    ParseIndexingSlice(self_tensor, index_ptr, &axes, &starts, &ends, &steps,
+                       &decrease_axes, &none_axes, &infer_flags,
+                       &list_select_idxs, &list_select_flag);
+
+    framework::AttributeMap attrs = {{"axes", axes},
+                                     {"starts", starts},
+                                     {"ends", ends},
+                                     {"steps", steps},
+                                     {"decrease_axes", decrease_axes},
+                                     {"none_axes", none_axes}};
+
+    if (egr::Controller::Instance().HasGrad()) {
+      PADDLE_ENFORCE_EQ(
+          egr::egr_utils_api::IsLeafTensor(self->tensor) &&
+              !egr::EagerUtils::autograd_meta(&self->tensor)->StopGradient(),
+          false, platform::errors::InvalidArgument(
+                     "Leaf Tensor (%s) that doesn't stop gradient can't use "
+                     "inplace strategy.",
+                     self->tensor.name()));
+    }
+
+    paddle::experimental::Tensor value_tensor;
+
+    if (PyCheckTensor(value_obj)) {
+      value_tensor = reinterpret_cast<TensorObject*>(value_obj)->tensor;
+
+      // pass the stop_gradient from value to tensor
+      if (!egr::EagerUtils::autograd_meta(&value_tensor)->StopGradient() &&
+          egr::EagerUtils::autograd_meta(&self->tensor)->StopGradient()) {
+        egr::EagerUtils::autograd_meta(&self->tensor)->SetStopGradient(false);
+      }
+    } else if (py::isinstance<py::array>(value_obj)) {
+      paddle::experimental::Tensor value_tensor_tmp(
+          std::make_shared<phi::DenseTensor>(),
+          egr::Controller::Instance().GenerateUniqueName());
+      py::object value_obj_tmp(py::handle(value_obj), true);
+      py::object value = value_obj_tmp;
+      if (self->tensor.dtype() == paddle::experimental::DataType::FLOAT32) {
+        if (!py::isinstance<py::array_t<float>>(value_obj_tmp)) {
+          value = pybind11::detail::CastNumpyArray<float>(value_obj_tmp);
+        }
+      } else if (self->tensor.dtype() ==
+                 paddle::experimental::DataType::FLOAT64) {
+        if (!py::isinstance<py::array_t<double>>(value_obj_tmp)) {
+          value = pybind11::detail::CastNumpyArray<double>(value_obj_tmp);
+        }
+      } else if (self->tensor.dtype() ==
+                 paddle::experimental::DataType::INT32) {
+        if (!py::isinstance<py::array_t<int32_t>>(value_obj_tmp)) {
+          value = pybind11::detail::CastNumpyArray<int32_t>(value_obj_tmp);
+        }
+      } else if (self->tensor.dtype() ==
+                 paddle::experimental::DataType::INT64) {
+        if (!py::isinstance<py::array_t<int64_t>>(value_obj_tmp)) {
+          value = pybind11::detail::CastNumpyArray<int64_t>(value_obj_tmp);
+        }
+      } else if (self->tensor.dtype() == paddle::experimental::DataType::BOOL) {
+        if (!py::isinstance<py::array_t<bool>>(value_obj_tmp)) {
+          value = pybind11::detail::CastNumpyArray<bool>(value_obj_tmp);
+        }
+      } else {
+        PADDLE_THROW(platform::errors::InvalidArgument(
+            "When assign a numpy.np value to a paddle.Tensor, "
+            "the data type of the paddle.Tensor must be bool, "
+            "float32, int32 or int64, "
+            "please check the type of tensor."));
+      }
+
+      if (value_tensor_tmp.place() == paddle::PlaceType::kUNK) {
+#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
+        SetTensorFromPyArray(
+            static_cast<phi::DenseTensor*>(value_tensor_tmp.impl().get()),
+            value, platform::Place(platform::CUDAPlace(0)), false);
+#else
+        SetTensorFromPyArray(
+            static_cast<phi::DenseTensor*>(value_tensor_tmp.impl().get()),
+            value, platform::Place(platform::CPUPlace()), false);
+#endif
+      } else {
+        SetTensorFromPyArray(
+            static_cast<phi::DenseTensor*>(value_tensor_tmp.impl().get()),
+            value, value_tensor_tmp.inner_place(), false);
+      }
+
+      value_tensor = value_tensor_tmp;
+    } else {
+      py::object value_obj_tmp(py::handle(value_obj), true);
+      // convert the value to self data type
+      if (py::isinstance<py::float_>(value_obj_tmp) ||
+          py::isinstance<py::int_>(value_obj_tmp) ||
+          py::isinstance<py::bool_>(value_obj_tmp)) {
+        if (self->tensor.dtype() == paddle::experimental::DataType::FLOAT32) {
+          attrs["fp32_values"] =
+              std::vector<float>{value_obj_tmp.cast<float>()};
+        } else if (self->tensor.dtype() ==
+                   paddle::experimental::DataType::FLOAT64) {
+          attrs["fp64_values"] =
+              std::vector<double>{value_obj_tmp.cast<double>()};
+        } else if (self->tensor.dtype() ==
+                   paddle::experimental::DataType::INT32) {
+          attrs["int32_values"] =
+              std::vector<int32_t>{value_obj_tmp.cast<int32_t>()};
+        } else if (self->tensor.dtype() ==
+                   paddle::experimental::DataType::INT64) {
+          attrs["int64_values"] =
+              std::vector<int64_t>{value_obj_tmp.cast<int64_t>()};
+        } else if (self->tensor.dtype() ==
+                   paddle::experimental::DataType::BOOL) {
+          attrs["bool_values"] = std::vector<int>{value_obj_tmp.cast<bool>()};
+        } else {
+          PADDLE_THROW(platform::errors::InvalidArgument(
+              "When assign a value to a paddle.Tensor, "
+              "the data type of the paddle.Tensor must be bool, "
+              "float32, int32 or int64, "
+              "please check the type of tensor."));
+        }
+        attrs["shape"] = std::vector<int64_t>{1};
+
+      } else {
+        PADDLE_THROW(platform::errors::InvalidArgument(
+            "Value type error. The assign value allows "
+            "numpy.ndarray, integer, float or bool, "
+            "but received %s.",
+            Py_TYPE(value_obj)));
+      }
+    }
+
+    {
+      // Release gil and do tracing
+      py::gil_scoped_release release;
+      self->tensor = set_value_dygraph_function(self->tensor, value_tensor, {},
+                                                {}, {}, attrs);
+    }
+  } else {
+    auto self_numpy = TensorToPyArray(*self_tensor);
+    VLOG(4) << "parse_index is false";
+    if (PyCheckTensor(_index)) {
+      VLOG(4) << "index is tensor";
+      auto index_tensor = static_cast<phi::DenseTensor*>(
+          reinterpret_cast<TensorObject*>(_index)->tensor.impl().get());
+      auto index_numpy = TensorToPyArray(*index_tensor);
+      self_numpy[index_numpy] = py::object(py::handle(value_obj), true);
+    } else {
+      VLOG(4) << "index is not tensor";
+      self_numpy[_index] = py::object(py::handle(value_obj), true);
+    }
+    if (self->tensor.place() == paddle::PlaceType::kUNK) {
+#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
+      SetTensorFromPyArray(self_tensor, self_numpy,
+                           platform::Place(platform::CUDAPlace(0)), false);
+#else
+      SetTensorFromPyArray(self_tensor, self_numpy,
+                           platform::Place(platform::CPUPlace()), false);
+#endif
+    } else {
+      SetTensorFromPyArray(self_tensor, self_numpy, self->tensor.inner_place(),
+                           false);
+    }
+  }
+  Py_INCREF(Py_None);
+  return Py_None;
+  EAGER_CATCH_AND_THROW_RETURN_NULL
+}
+
 static PyObject* tensor_register_grad_hook(TensorObject* self, PyObject* args,
                                            PyObject* kwargs) {
   EAGER_TRY
@@ -825,6 +1070,10 @@ PyMethodDef variable_methods[] = {
     {"_is_initialized",
      (PyCFunction)(void (*)(void))tensor_method__is_initialized,
      METH_VARARGS | METH_KEYWORDS, NULL},
+    {"_is_dense_tensor_hold_allocation",
+     (PyCFunction)(
+         void (*)(void))tensor_method__is_dense_tensor_hold_allocation,
+     METH_VARARGS | METH_KEYWORDS, NULL},
     {"_copy_to", (PyCFunction)(void (*)(void))tensor_method__copy_to,
      METH_VARARGS | METH_KEYWORDS, NULL},
     {"copy_", (PyCFunction)(void (*)(void))tensor_method_copy_,
@@ -857,6 +1106,9 @@ PyMethodDef variable_methods[] = {
     {"_getitem_index_not_tensor",
      (PyCFunction)(void (*)(void))tensor__getitem_index_not_tensor,
      METH_VARARGS | METH_KEYWORDS, NULL},
+    {"__setitem_eager_tensor__",
+     (PyCFunction)(void (*)(void))tensor_method__setitem_eager_tensor,
+     METH_VARARGS | METH_KEYWORDS, NULL},
     {"_register_grad_hook",
      (PyCFunction)(void (*)(void))tensor_register_grad_hook,
      METH_VARARGS | METH_KEYWORDS, NULL},

paddle/fluid/pybind/eager_properties.cc

@@ -52,6 +52,12 @@ PyObject* tensor_properties_get_type(TensorObject* self, void* closure) {
   EAGER_CATCH_AND_THROW_RETURN_NULL
 }
 
+PyObject* tensor_properties_is_leaf(TensorObject* self, void* closure) {
+  EAGER_TRY
+  return ToPyObject(egr::egr_utils_api::IsLeafTensor(self->tensor));
+  EAGER_CATCH_AND_THROW_RETURN_NULL
+}
+
 int tensor_properties_set_name(TensorObject* self, PyObject* value,
                                void* closure) {
   EAGER_TRY
@@ -179,6 +185,7 @@ struct PyGetSetDef variable_properties[] = {
      nullptr},
     {"dtype", (getter)tensor_properties_get_dtype, nullptr, nullptr, nullptr},
     {"type", (getter)tensor_properties_get_type, nullptr, nullptr, nullptr},
+    {"is_leaf", (getter)tensor_properties_is_leaf, nullptr, nullptr, nullptr},
     {nullptr, nullptr, nullptr, nullptr, nullptr}};
 
 }  // namespace pybind

paddle/fluid/pybind/imperative.cc

@@ -386,46 +386,6 @@ GetVarBaseListFromPyHandle(const py::handle &handle) {
   return result;
 }
 
-// cast numpy type form S to T, this may allocate new memory
-template <class T, class S>
-static py::array_t<T> CastNumpyType(py::array_t<S> array) {
-  if (std::is_same<T, S>::value) {
-    return array;
-  }
-  auto dim = array.ndim();
-  std::vector<py::ssize_t> result_shape(dim);
-  for (auto i = 0; i < dim; i++) {
-    result_shape[i] = array.shape(i);
-  }
-
-  py::array_t<T> result(result_shape);
-
-  return py::vectorize([](S s) { return static_cast<T>(s); })(array);
-}
-
-template <class T>
-static py::array_t<T> CastNumpyArray(const py::object &array) {
-  if (py::isinstance<py::array_t<float>>(array)) {
-    return CastNumpyType<T>(array.cast<py::array_t<float>>());
-  } else if (py::isinstance<py::array_t<double>>(array)) {
-    return CastNumpyType<T>(array.cast<py::array_t<double>>());
-  } else if (py::isinstance<py::array_t<int32_t>>(array)) {
-    return CastNumpyType<T>(array.cast<py::array_t<int32_t>>());
-  } else if (py::isinstance<py::array_t<int64_t>>(array)) {
-    return CastNumpyType<T>(array.cast<py::array_t<int64_t>>());
-  } else if (py::isinstance<py::array_t<bool>>(array)) {
-    return CastNumpyType<T>(array.cast<py::array_t<bool>>());
-  } else {
-    PADDLE_THROW(platform::errors::InvalidArgument(
-        "Value type error. The assign numpy value allows integer, float, "
-        "double and bool, "
-        "but received %s.",
-        Py_TYPE(array.ptr())->tp_name));
-  }
-  // can't reach here
-  return py::array_t<T>();
-}
-
 static imperative::NameVarBaseMap ConvertToNameVarBaseMap(
     const PyNameVarBaseMap &map) {
   imperative::NameVarBaseMap result;
@@ -854,27 +814,29 @@ void BindImperative(py::module *m_ptr) {
                 py::object value = value_obj;
                 if (self->DataType() == framework::proto::VarType::FP32) {
                   if (!py::isinstance<py::array_t<float>>(value_obj)) {
-                    value = CastNumpyArray<float>(value_obj);
+                    value = pybind11::detail::CastNumpyArray<float>(value_obj);
                   }
                 } else if (self->DataType() ==
                            framework::proto::VarType::FP64) {
                   if (!py::isinstance<py::array_t<double>>(value_obj)) {
-                    value = CastNumpyArray<double>(value_obj);
+                    value = pybind11::detail::CastNumpyArray<double>(value_obj);
                   }
                 } else if (self->DataType() ==
                            framework::proto::VarType::INT32) {
                   if (!py::isinstance<py::array_t<int32_t>>(value_obj)) {
-                    value = CastNumpyArray<int32_t>(value_obj);
+                    value =
+                        pybind11::detail::CastNumpyArray<int32_t>(value_obj);
                   }
                 } else if (self->DataType() ==
                            framework::proto::VarType::INT64) {
                   if (!py::isinstance<py::array_t<int64_t>>(value_obj)) {
-                    value = CastNumpyArray<int64_t>(value_obj);
+                    value =
+                        pybind11::detail::CastNumpyArray<int64_t>(value_obj);
                   }
                 } else if (self->DataType() ==
                            framework::proto::VarType::BOOL) {
                   if (!py::isinstance<py::array_t<bool>>(value_obj)) {
-                    value = CastNumpyArray<bool>(value_obj);
+                    value = pybind11::detail::CastNumpyArray<bool>(value_obj);
                   }
                 } else {
                   PADDLE_THROW(platform::errors::InvalidArgument(

paddle/fluid/pybind/op_function_generator.h

@@ -38,7 +38,15 @@ std::map<std::string, std::set<std::string>> op_ins_map = {
     {"assign", {"X"}},
     {"reshape2", {"X", "Shape"}},
     {"expand", {"X", "ExpandTimes"}},
-    {"slice", {"Input", "StartsTensor", "EndsTensor"}},
+    {"slice",
+     {"Input", "StartsTensor", "EndsTensor", "StartsTensorList",
+      "EndsTensorList"}},
+    {"strided_slice",
+     {"Input", "StartsTensor", "EndsTensor", "StridesTensor",
+      "StartsTensorList", "EndsTensorList", "StridesTensorList"}},
+    {"set_value",
+     {"Input", "ValueTensor", "StartsTensorList", "EndsTensorList",
+      "StepsTensorList"}},
     {"fake_quantize_dequantize_moving_average_abs_max",
      {"X", "InScale", "InAccum", "InState"}},
     {"nll_loss", {"X", "Label", "Weight"}},

paddle/fluid/pybind/tensor_py.h

@@ -52,6 +52,46 @@ constexpr int NPY_UINT16_ = 4;
 constexpr int NPY_COMPLEX64 = 14;
 constexpr int NPY_COMPLEX128 = 15;
 
+// cast numpy type form S to T, this may allocate new memory
+template <class T, class S>
+static py::array_t<T> CastNumpyType(py::array_t<S> array) {
+  if (std::is_same<T, S>::value) {
+    return array;
+  }
+  auto dim = array.ndim();
+  std::vector<py::ssize_t> result_shape(dim);
+  for (auto i = 0; i < dim; i++) {
+    result_shape[i] = array.shape(i);
+  }
+
+  py::array_t<T> result(result_shape);
+
+  return py::vectorize([](S s) { return static_cast<T>(s); })(array);
+}
+
+template <class T>
+static py::array_t<T> CastNumpyArray(const py::object &array) {
+  if (py::isinstance<py::array_t<float>>(array)) {
+    return CastNumpyType<T>(array.cast<py::array_t<float>>());
+  } else if (py::isinstance<py::array_t<double>>(array)) {
+    return CastNumpyType<T>(array.cast<py::array_t<double>>());
+  } else if (py::isinstance<py::array_t<int32_t>>(array)) {
+    return CastNumpyType<T>(array.cast<py::array_t<int32_t>>());
+  } else if (py::isinstance<py::array_t<int64_t>>(array)) {
+    return CastNumpyType<T>(array.cast<py::array_t<int64_t>>());
+  } else if (py::isinstance<py::array_t<bool>>(array)) {
+    return CastNumpyType<T>(array.cast<py::array_t<bool>>());
+  } else {
+    PADDLE_THROW(paddle::platform::errors::InvalidArgument(
+        "Value type error. The assign numpy value allows integer, float, "
+        "double and bool, "
+        "but received %s.",
+        Py_TYPE(array.ptr())->tp_name));
+  }
+  // can't reach here
+  return py::array_t<T>();
+}
+
 // Note: Since float16 is not a builtin type in C++, we register
 // paddle::platform::float16 as numpy.float16.
 // Ref: https://github.com/pybind/pybind11/issues/1776

python/paddle/fluid/dygraph/varbase_patch_methods.py

@@ -768,8 +768,11 @@ def monkey_patch_varbase():
             return _setitem_impl_(self, item, value)
 
         else:
-            # Call c++ func __setitem_varbase__ to speedup.
-            return self.__setitem_varbase__(item, value)
+            if core._in_eager_mode():
+                return self.__setitem_eager_tensor__(item, value)
+            else:
+                # Call c++ func __setitem_varbase__ to speedup.
+                return self.__setitem_varbase__(item, value)
 
     @framework.dygraph_only
     def _grad_ivar(self):

python/paddle/fluid/layers/nn.py

@@ -11189,8 +11189,8 @@ def slice(input, axes, starts, ends):
             ends_tensor.stop_gradient = True
             infer_flags = list(-1 for i in range(len(axes)))
 
-        return _C_ops.slice(input, starts_tensor, ends_tensor, 'axes', axes,
-                            'infer_flags', infer_flags, *attrs)
+        return _C_ops.slice(input, starts_tensor, ends_tensor, None, None,
+                            'axes', axes, 'infer_flags', infer_flags, *attrs)
 
     if not isinstance(starts, (list, tuple, Variable)):
         raise ValueError(

python/paddle/fluid/layers/tensor.py

@@ -632,7 +632,7 @@ def assign(input, output=None):
             dtype = VarDesc.VarType.FP32
         if dtype == VarDesc.VarType.BOOL:
             value_name = "bool_values"
-            values = [bool(v) for v in input.flat]
+            values = [int(v) for v in input.flat]
         elif dtype == VarDesc.VarType.FP32:
             value_name = "fp32_values"
             values = [float(v) for v in input.flat]

python/paddle/fluid/tests/unittests/npu/test_assign_value_op_npu.py

@@ -71,7 +71,7 @@ class TestAssignValueNPUOp4(TestAssignValueNPUOp):
     def init_data(self):
         self.value = numpy.random.choice(
             a=[False, True], size=(2, 5)).astype(numpy.bool)
-        self.attrs["bool_values"] = [bool(v) for v in self.value.flat]
+        self.attrs["bool_values"] = [int(v) for v in self.value.flat]
 
 
 class TestAssignApi(unittest.TestCase):

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

@@ -58,7 +58,7 @@ class TestAssignValueOp4(TestAssignValueOp):
     def init_data(self):
         self.value = numpy.random.choice(
             a=[False, True], size=(2, 5)).astype(numpy.bool)
-        self.attrs["bool_values"] = [bool(v) for v in self.value.flat]
+        self.attrs["bool_values"] = [int(v) for v in self.value.flat]
 
 
 class TestAssignApi(unittest.TestCase):

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

@@ -22,6 +22,7 @@ import numpy as np
 import paddle
 from paddle.fluid.layer_helper import LayerHelper
 from functools import reduce
+from paddle.fluid.framework import _test_eager_guard, _in_eager_mode
 
 
 class TestSetValueBase(unittest.TestCase):
@@ -69,7 +70,7 @@ class TestSetValueApi(TestSetValueBase):
         paddle.enable_static()
         return out
 
-    def test_api(self):
+    def func_test_api(self):
         static_out = self._run_static()
         dynamic_out = self._run_dynamic()
         self._get_answer()
@@ -82,6 +83,11 @@ class TestSetValueApi(TestSetValueBase):
             (self.data == dynamic_out).all(),
             msg=error_msg.format("dynamic", self.data, dynamic_out))
 
+    def test_api(self):
+        with _test_eager_guard():
+            self.func_test_api()
+        self.func_test_api()
+
 
 # 1. Test different type of item: int, Python slice, Paddle Tensor
 # 1.1 item is int
@@ -995,9 +1001,9 @@ class TestBackward(unittest.TestCase):
             fetch_list=[var.name + "@GRAD", z.name + "@GRAD"])
 
         self.assertTrue((var_grad == z_grad[0, :]).all())
-
-    def test_dynamic(self):
         paddle.disable_static()
+
+    def func_test_dynamic(self):
         model = Model()
         x = paddle.ones([1, 12, 3, 3]).astype("float32")
         y = paddle.ones([1, 12, 3, 3]).astype("float32")
@@ -1006,11 +1012,18 @@ class TestBackward(unittest.TestCase):
 
         self.assertTrue(var.grad.shape == x.grad[0, :, 0, 0].shape)
         # 
-        self.assertTrue((0 == x.grad[0, :, 0, 0]).all())
+        # TODO(pangyoki) add inplace and delete if
+        if not _in_eager_mode():
+            self.assertTrue((0 == x.grad[0, :, 0, 0]).all())
+
+    def test_dynamic(self):
+        with _test_eager_guard():
+            self.func_test_dynamic()
+        self.func_test_dynamic()
 
 
 class TestGradientTruncated(unittest.TestCase):
-    def test_consistent_with_competitor(self):
+    def func_test_consistent_with_competitor(self):
         paddle.disable_static()
 
         def set_value(t, value):
@@ -1182,6 +1195,11 @@ class TestGradientTruncated(unittest.TestCase):
         self.assertTrue(~x.stop_gradient)
         self.assertTrue(~x.is_leaf)
 
+    def test_consistent_with_competitor(self):
+        with _test_eager_guard():
+            self.func_test_consistent_with_competitor()
+        self.func_test_consistent_with_competitor()
+
     def test_static_graph(self):
         paddle.enable_static()
 
@@ -1328,6 +1346,7 @@ class TestGradientTruncated(unittest.TestCase):
                 self.assertTrue((numel(out1[0][0:5:3].shape) == out3[0]).all())
 
             array = array[0]
+        paddle.disable_static()
 
 
 class TestSetValueInplace(unittest.TestCase):

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

@@ -22,6 +22,7 @@ import copy
 import paddle
 import paddle.fluid as fluid
 import paddle.fluid.core as core
+from paddle.fluid.framework import _test_eager_guard, _in_eager_mode
 
 
 class TestVarBase(unittest.TestCase):
@@ -874,7 +875,7 @@ class TestVarBase(unittest.TestCase):
         col = np.array([2, 1, 3])
         self.assertTrue(np.array_equal(array[row, col], x[row, col].numpy()))
 
-    def test_slice(self):
+    def func_test_slice(self):
         with fluid.dygraph.guard():
             self._test_slice()
             self._test_slice_for_tensor_attr()
@@ -899,6 +900,11 @@ class TestVarBase(unittest.TestCase):
                 mask = np.array([1, 0, 1, 0], dtype=bool)
                 var[paddle.to_tensor([0, 1]), mask]
 
+    def test_slice(self):
+        with _test_eager_guard():
+            self.func_test_slice()
+        self.func_test_slice()
+
     def test_var_base_to_np(self):
         with fluid.dygraph.guard():
             var = fluid.dygraph.to_variable(self.array)
@@ -1125,7 +1131,6 @@ class TestVarBase(unittest.TestCase):
 
 class TestVarBaseSetitem(unittest.TestCase):
     def setUp(self):
-        paddle.disable_static()
         self.set_dtype()
         self.tensor_x = paddle.to_tensor(np.ones((4, 2, 3)).astype(self.dtype))
         self.np_value = np.random.random((2, 3)).astype(self.dtype)
@@ -1135,12 +1140,13 @@ class TestVarBaseSetitem(unittest.TestCase):
         self.dtype = "int32"
 
     def _test(self, value):
-        paddle.disable_static()
-        self.assertEqual(self.tensor_x.inplace_version, 0)
+        if not _in_eager_mode():
+            self.assertEqual(self.tensor_x.inplace_version, 0)
 
         id_origin = id(self.tensor_x)
         self.tensor_x[0] = value
-        self.assertEqual(self.tensor_x.inplace_version, 1)
+        if not _in_eager_mode():
+            self.assertEqual(self.tensor_x.inplace_version, 1)
 
         if isinstance(value, (six.integer_types, float)):
             result = np.zeros((2, 3)).astype(self.dtype) + value
@@ -1152,27 +1158,47 @@ class TestVarBaseSetitem(unittest.TestCase):
         self.assertEqual(id_origin, id(self.tensor_x))
 
         self.tensor_x[1:2] = value
-        self.assertEqual(self.tensor_x.inplace_version, 2)
+        if not _in_eager_mode():
+            self.assertEqual(self.tensor_x.inplace_version, 2)
         self.assertTrue(np.array_equal(self.tensor_x[1].numpy(), result))
         self.assertEqual(id_origin, id(self.tensor_x))
 
         self.tensor_x[...] = value
-        self.assertEqual(self.tensor_x.inplace_version, 3)
+        if not _in_eager_mode():
+            self.assertEqual(self.tensor_x.inplace_version, 3)
         self.assertTrue(np.array_equal(self.tensor_x[3].numpy(), result))
         self.assertEqual(id_origin, id(self.tensor_x))
 
-    def test_value_tensor(self):
-        paddle.disable_static()
+    def func_test_value_tensor(self):
         self._test(self.tensor_value)
 
-    def test_value_numpy(self):
-        paddle.disable_static()
+    def test_value_tensor(self):
+        with _test_eager_guard():
+            self.setUp()
+            self.func_test_value_tensor()
+        self.setUp()
+        self.func_test_value_tensor()
+
+    def func_test_value_numpy(self):
         self._test(self.np_value)
 
-    def test_value_int(self):
-        paddle.disable_static()
+    def test_value_numpy(self):
+        with _test_eager_guard():
+            self.setUp()
+            self.func_test_value_numpy()
+        self.setUp()
+        self.func_test_value_numpy()
+
+    def func_test_value_int(self):
         self._test(10)
 
+    def test_value_int(self):
+        with _test_eager_guard():
+            self.setUp()
+            self.func_test_value_int()
+        self.setUp()
+        self.func_test_value_int()
+
 
 class TestVarBaseSetitemInt64(TestVarBaseSetitem):
     def set_dtype(self):

python/paddle/fluid/variable_index.py

@@ -382,7 +382,7 @@ def _getitem_impl_(var, item):
             idx = assign(np.array(slice_item).astype("int32"))
             return index_select(var, index=idx, axis=0)
 
-        elif isinstance(slice_item, (Variable)):
+        elif isinstance(slice_item, (Variable, core.eager.Tensor)):
             if len(item) == 1:
 
                 from ..tensor import index_select, gather_nd
@@ -636,7 +636,7 @@ def _setitem_impl_(var, item, value):
         shape = list(value.shape)
         if dtype == core.VarDesc.VarType.BOOL:
             value_name = "bool_values"
-            values = [bool(v) for v in value.flat]
+            values = [int(v) for v in value.flat]
         elif dtype == core.VarDesc.VarType.FP32:
             value_name = "fp32_values"
             values = [float(v) for v in value.flat]
@@ -657,7 +657,7 @@ def _setitem_impl_(var, item, value):
         attrs[value_name] = values
         attrs["shape"] = shape
 
-    elif isinstance(value, Variable):
+    elif isinstance(value, (Variable, core.eager.Tensor)):
         inputs["ValueTensor"] = value
     else:
         raise TypeError(
@@ -665,7 +665,9 @@ def _setitem_impl_(var, item, value):
             "paddle.Tensor to a paddle.Tensor, but received {}".format(
                 type(value)))
 
-    if paddle.fluid.framework.in_dygraph_mode():
+    if paddle.fluid.framework.in_dygraph_mode(
+    ) and not paddle.fluid.framework._in_eager_mode():
+        # TODO(pangyoki) add inplace(BumpInplaceVersion) if need
         var._bump_inplace_version()
 
     cur_block = default_main_program().current_block()

python/paddle/tensor/math.py

@@ -3789,13 +3789,13 @@ def diff(x, n=1, axis=-1, prepend=None, append=None, name=None):
         attrs_1 += ('starts', starts_1)
         ends_1 = [dim_len - 1]
         attrs_1 += ('ends', ends_1)
-        input_front = _C_ops.slice(new_input, None, None, 'axes', axes, \
+        input_front = _C_ops.slice(new_input, None, None, None, None, 'axes', axes, \
             'infer_flags', infer_flags, *attrs_1)
         starts_2 = [1]
         attrs_2 += ('starts', starts_2)
         ends_2 = [dim_len]
         attrs_2 += ('ends', ends_2)
-        input_back = _C_ops.slice(new_input, None, None, 'axes', axes, \
+        input_back = _C_ops.slice(new_input, None, None, None, None, 'axes', axes, \
             'infer_flags', infer_flags, *attrs_2)
 
         if x.dtype == paddle.bool:

python/paddle/tensor/to_string.py

@@ -317,7 +317,7 @@ def tensor_to_string(tensor, prefix='Tensor'):
 
     _template = "{prefix}(shape={shape}, dtype={dtype}, place={place}, stop_gradient={stop_gradient},\n{indent}{data})"
 
-    if not tensor._is_initialized():
+    if not tensor._is_dense_tensor_hold_allocation():
         return "Tensor(Not initialized)"
 
     if tensor.is_sparse():