[Snippets] Serialization/Deserialization enabled

src/common/snippets/include/snippets/op/broadcastload.hpp

@@ -24,22 +24,9 @@ class BroadcastLoad : public BroadcastMove {
     BroadcastLoad(const Output<Node>& x, Shape output_shape);
     BroadcastLoad() = default;
 
-    bool visit_attributes(AttributeVisitor& visitor) override;
-
     std::shared_ptr<Node> clone_with_new_inputs(const OutputVector& new_args) const override;
 
     void validate_and_infer_types() override;
-
-    void set_broadcast_info(const Shape& bct) {
-        broadcast_info = bct;
-    }
-
-    bool is_broadcast(size_t idx) {
-        return broadcast_info[idx] == 1;
-    }
-
-private:
-    Shape broadcast_info;
 };
 
 } // namespace op

src/common/snippets/include/snippets/op/powerstatic.hpp

@@ -20,6 +20,7 @@ namespace op {
 class PowerStatic : public ov::op::util::UnaryElementwiseArithmetic {
 public:
     OPENVINO_OP("PowerStatic", "SnippetsOpset", ov::op::util::UnaryElementwiseArithmetic);
+    BWDCMP_RTTI_DECLARATION;
 
     PowerStatic() = default;
     PowerStatic(const Output <Node> &arg, float power) : UnaryElementwiseArithmetic(arg), power(power) {

src/common/snippets/include/snippets/op/scalar.hpp

@@ -19,6 +19,9 @@ namespace op {
 class Scalar  : public ov::op::v0::Constant {
 public:
     OPENVINO_OP("Scalar", "SnippetsOpset", ov::op::v0::Constant);
+    BWDCMP_RTTI_DECLARATION;
+
+    Scalar() = default;
 
     template <class T, class = typename std::enable_if<std::is_fundamental<T>::value>::type>
     Scalar(const element::Type& type, Shape shape, T value) : Constant(type, shape, value) {

src/common/snippets/include/snippets/op/subgraph.hpp

@@ -7,6 +7,7 @@
 #include <memory>
 
 #include <openvino/core/model.hpp>
+#include <openvino/op/util/sub_graph_base.hpp>
 #include <ngraph/op/op.hpp>
 #include <ngraph/rt_info.hpp>
 #include <ngraph/pass/manager.hpp>
@@ -22,9 +23,10 @@ namespace op {
  * @brief An operation that is implemented by a model
  * @ingroup snippets
  */
-class Subgraph : public ngraph::op::Op {
+class Subgraph : public ov::op::util::SubGraphOp {
 public:
-    OPENVINO_OP("Subgraph", "SnippetsOpset");
+    OPENVINO_OP("Subgraph", "SnippetsOpset", ov::op::util::SubGraphOp);
+    BWDCMP_RTTI_DECLARATION;
 
     // < 1, 42, 17, 15, 16> < 0, 1, 2, 3, 1>
     // should be:
@@ -70,6 +72,8 @@ class Subgraph : public ngraph::op::Op {
     using BlockedShape = std::tuple<ngraph::Shape, ngraph::AxisVector, ngraph::element::Type>;
     using BlockedShapeVector = std::vector<BlockedShape>;
 
+    Subgraph() = default;
+
     Subgraph(const OutputVector& args, std::shared_ptr<ov::Model> body);
 
     Subgraph(const NodeVector& args, std::shared_ptr<ov::Model> body);
@@ -80,11 +84,29 @@ class Subgraph : public ngraph::op::Op {
 
     std::shared_ptr<Node> clone_with_new_inputs(const OutputVector& inputs) const override;
 
-    std::shared_ptr<ov::Model> get_body() const {
-        return m_body;
+    // we introduce this method instead of using SubGraphOp::get_function()
+    // to align naming with other methods
+    const std::shared_ptr<ov::Model> & body_ptr() const {
+        return m_bodies[0];
+    }
+
+    std::shared_ptr<ov::Model> & body_ptr() {
+        return m_bodies[0];
     }
 
-    std::shared_ptr<ngraph::snippets::Generator> get_generator() const {
+    const ov::Model & body() const {
+        return *m_bodies[0];
+    }
+
+    ov::Model & body() {
+        return *m_bodies[0];
+    }
+
+    const std::shared_ptr<ngraph::snippets::Generator> & get_generator() const {
+        return m_generator;
+    }
+
+    std::shared_ptr<ngraph::snippets::Generator> & get_generator() {
         return m_generator;
     }
 
@@ -123,13 +145,13 @@ class Subgraph : public ngraph::op::Op {
 private:
     void align_element_types(const BlockedShapeVector& outputShapes, const BlockedShapeVector& inputShapes);
     void convert_to_snippet_dialect();
+
     // Count of potentional non-scalar Consants that will be created after some tranformations
     // At the moment it's relevant only for FakeQuantize decomposition
     // NOTE: To avoid overheads in each calcution of this count (for example, in validate_and_type_infer()),
     //       we should MANUALLY calculate it where it needed.
     size_t m_non_scalar_constants_count = 0;
     Shape exec_domain = {};
-    std::shared_ptr<ov::Model> m_body = nullptr;
     std::shared_ptr<ngraph::snippets::Generator> m_generator = nullptr;
 
     // TODO: Change logic of insert Converts. This exec element type can be different for plugins

src/common/snippets/src/op/broadcastload.cpp

@@ -12,20 +12,14 @@ using namespace std;
 using namespace ngraph;
 
 snippets::op::BroadcastLoad::BroadcastLoad(const Output<Node>& x, Shape shape)
-: BroadcastMove(x, shape), broadcast_info(x.get_shape().size(), 0) {
+: BroadcastMove(x, shape) {
     constructor_validate_and_infer_types();
 }
 
-bool snippets::op::BroadcastLoad::visit_attributes(AttributeVisitor& visitor) {
-    return true;
-}
-
 std::shared_ptr<Node> snippets::op::BroadcastLoad::clone_with_new_inputs(const OutputVector& new_args) const {
     INTERNAL_OP_SCOPE(BroadcastLoad);
     check_new_args_count(this, new_args);
-    auto other = std::make_shared<BroadcastLoad>(new_args.at(0), output_shape);
-    other->set_broadcast_info(this->broadcast_info);
-    return other;
+    return std::make_shared<BroadcastLoad>(new_args.at(0), output_shape);
 }
 
 void snippets::op::BroadcastLoad::validate_and_infer_types() {

src/common/snippets/src/op/broadcastmove.cpp

@@ -17,6 +17,7 @@ snippets::op::BroadcastMove::BroadcastMove(const Output<Node>& x, Shape shape) :
 }
 
 bool snippets::op::BroadcastMove::visit_attributes(AttributeVisitor& visitor) {
+    visitor.on_attribute("output_shape", output_shape);
     return true;
 }
 

src/common/snippets/src/op/powerstatic.cpp

@@ -0,0 +1,15 @@
+// Copyright (C) 2018-2022 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "snippets/op/powerstatic.hpp"
+
+namespace ngraph {
+namespace snippets {
+namespace op {
+
+BWDCMP_RTTI_DEFINITION(PowerStatic);
+
+} // namespace op
+} // namespace snippets
+} // namespace ngraph

src/common/snippets/src/op/scalar.cpp

@@ -6,6 +6,8 @@
 
 using namespace ngraph;
 
+BWDCMP_RTTI_DEFINITION(snippets::op::Scalar);
+
 std::shared_ptr<Node> snippets::op::Scalar::clone_with_new_inputs(const OutputVector& new_args) const {
     check_new_args_count(this, new_args);
     return std::make_shared<Scalar>(*this);