[PDPD] fix ops for baidu customer (#27222)

### Details:
 - *fix the negative dim issue when run into `reduce_fusion` pass*
 - *enable eye op*
 - *enable elu op*
 - *add tests*
 - *upgrade paddlepaddle to 2.6.2*
 - *upgrade opset to 14 version*

### Tickets:
 - *N/A*

src/frontends/paddle/src/default_opset.hpp

@@ -2,13 +2,13 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 
-#include "openvino/opsets/opset9.hpp"
+#include "openvino/opsets/opset14.hpp"
 
 namespace ov {
 namespace frontend {
 namespace paddle {
 namespace op {
-namespace default_opset = ov::opset9;
+namespace default_opset = ov::opset14;
 
 }  // namespace op
 }  // namespace paddle

src/frontends/paddle/src/op/elu.cpp

@@ -0,0 +1,23 @@
+// Copyright (C) 2018-2024 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "default_opset.hpp"
+#include "openvino/frontend/paddle/node_context.hpp"
+#include "openvino/frontend/paddle/visibility.hpp"
+
+namespace ov {
+namespace frontend {
+namespace paddle {
+namespace op {
+NamedOutputs elu(const NodeContext& node) {
+    auto data = node.get_input("X");
+    auto alpha = node.get_attribute<float>("alpha", 1.0);
+    const auto& elu_node = std::make_shared<default_opset::Elu>(data, alpha);
+    return node.default_single_output_mapping({elu_node}, {"Out"});
+}
+
+}  // namespace op
+}  // namespace paddle
+}  // namespace frontend
+}  // namespace ov

src/frontends/paddle/src/op/expand_v2.cpp

@@ -19,8 +19,16 @@ NamedOutputs expand_v2(const NodeContext& node) {
         auto inputs = node.get_ng_inputs("expand_shapes_tensor");
         ov::NodeVector node_vec;
         for (auto& input : inputs) {
+            if (input.get_partial_shape().rank().get_length() == 0) {
+                // should unsqueeze the input with non-shape.
+                auto unsqueeze_scalar = default_opset::Constant::create(ov::element::i32, {}, {0});
+                input = std::make_shared<default_opset::Unsqueeze>(input, unsqueeze_scalar);
+            }
+            PADDLE_OP_CHECK(node,
+                            input.get_partial_shape().rank().get_length() == 1,
+                            "the rank of conv input must == 1");
             auto cast = std::make_shared<Convert>(input, element::i32);
-            node_vec.push_back(cast);
+            node_vec.emplace_back(cast);
         }
         shape_expected_node = std::make_shared<Concat>(node_vec, 0);
     } else {

src/frontends/paddle/src/op/eye.cpp

@@ -0,0 +1,36 @@
+// Copyright (C) 2018-2024 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+//
+
+#include "default_opset.hpp"
+#include "openvino/frontend/paddle/node_context.hpp"
+
+namespace ov {
+namespace frontend {
+namespace paddle {
+namespace op {
+NamedOutputs eye(const NodeContext& node) {
+    auto row = node.get_attribute<int64_t>("num_rows");
+    auto col = node.get_attribute<int64_t>("num_columns", row);
+    auto dtype = node.get_attribute<ov::element::Type>("dtype", ov::element::f32);
+
+    const auto& row_node = std::make_shared<default_opset::Constant>(ov::element::i64, Shape{}, (row));
+    const auto& col_node = std::make_shared<default_opset::Constant>(ov::element::i64, Shape{}, (col));
+    const auto& diagonal_index_node = std::make_shared<default_opset::Constant>(ov::element::i32, Shape{}, (0));
+
+    std::shared_ptr<Node> out_node;
+    if (dtype == ov::element::i32 || dtype == ov::element::i64) {
+        out_node = std::make_shared<default_opset::Eye>(row_node, col_node, diagonal_index_node, dtype);
+    } else {
+        const auto& eye_node =
+            std::make_shared<default_opset::Eye>(row_node, col_node, diagonal_index_node, ov::element::i32);
+        out_node = std::make_shared<default_opset::Convert>(eye_node, dtype);
+    }
+
+    return node.default_single_output_mapping({out_node}, {"Out"});
+}
+
+}  // namespace op
+}  // namespace paddle
+}  // namespace frontend
+}  // namespace ov

src/frontends/paddle/src/op/fill_constant.cpp

@@ -29,6 +29,10 @@ NamedOutputs fill_constant(const NodeContext& node) {
         PADDLE_OP_CHECK(node, false, "fill_constant only supports i32, f32, i64");
     }
 
+    if (shape.empty()) {
+        shape.emplace_back(1);
+    }
+
     PADDLE_OP_CHECK(node,
                     shape.size() > 0 || node.has_input("ShapeTensor") || node.has_input("ShapeTensorList"),
                     "fill_constant shape not set");

src/frontends/paddle/src/op/interp.cpp

@@ -4,6 +4,7 @@
 
 #include "default_opset.hpp"
 #include "openvino/frontend/paddle/node_context.hpp"
+#include "openvino/opsets/opset4.hpp"
 
 namespace ov {
 namespace frontend {
@@ -147,8 +148,9 @@ static NamedOutputs interpolate(const NodeContext& node,
     attrs.pads_begin = {0, 0, 0, 0};
     attrs.pads_end = {0, 0, 0, 0};
 
-    return node.default_single_output_mapping({std::make_shared<Interpolate>(x, target_spatial_shape, scales, attrs)},
-                                              {"Out"});
+    return node.default_single_output_mapping(
+        {std::make_shared<ov::opset4::Interpolate>(x, target_spatial_shape, scales, attrs)},
+        {"Out"});
 }
 
 NamedOutputs linear_interp_v2(const NodeContext& node) {

src/frontends/paddle/src/op/reduce_ops.hpp

@@ -31,6 +31,10 @@ NamedOutputs reduce_ops(const NodeContext& node) {
         dims = node.get_attribute<std::vector<int64_t>>("dim");
     }
 
+    std::transform(dims.begin(), dims.end(), dims.begin(), [&input_rank](int64_t value) {
+        return value >= 0 ? value : value + input_rank;
+    });
+
     int64_t axis_size = static_cast<int64_t>(dims.size());
     reduce_all = reduce_all || (axis_size == input_rank || axis_size == 0);
 

src/frontends/paddle/src/op_table.cpp

@@ -39,9 +39,11 @@ OP_CONVERTER(elementwise_sub);
 OP_CONVERTER(equal);
 OP_CONVERTER(greater_equal);
 OP_CONVERTER(not_equal);
+OP_CONVERTER(elu);
 OP_CONVERTER(embedding);
 OP_CONVERTER(exp);
 OP_CONVERTER(expand_v2);
+OP_CONVERTER(eye);
 OP_CONVERTER(flip);
 OP_CONVERTER(flatten_contiguous_range);
 OP_CONVERTER(floor);
@@ -173,9 +175,11 @@ std::map<std::string, CreatorFunction> get_supported_ops() {
             {"elementwise_sub", op::elementwise_sub},
             {"dropout", op::dropout},
             {"elementwise_pow", op::elementwise_pow},
+            {"elu", op::elu},
             {"equal", op::equal},
             {"exp", op::exp},
             {"expand_v2", op::expand_v2},
+            {"eye", op::eye},
             {"fill_any_like", op::fill_any_like},
             {"fill_constant", op::fill_constant},
             {"fill_constant_batch_size_like", op::fill_constant_batch_size_like},

src/frontends/paddle/tests/op_fuzzy.cpp

@@ -188,6 +188,7 @@ static const std::vector<std::string> models{
     std::string("elementwise_floordiv_int64_2/elementwise_floordiv_int64_2.pdmodel"),
     std::string("elementwise_floordiv_int64_3/elementwise_floordiv_int64_3.pdmodel"),
     std::string("elementwise_mul_bool1/elementwise_mul_bool1.pdmodel"),
+    std::string("elu/elu.pdmodel"),
     std::string("embedding_0/embedding_0.pdmodel"),
     std::string("embedding_sparse/embedding_sparse.pdmodel"),
     std::string("embedding_none_weight/embedding_none_weight.pdmodel"),
@@ -201,6 +202,9 @@ static const std::vector<std::string> models{
     std::string("expand_v2_tensor_list/expand_v2_tensor_list.pdmodel"),
     std::string("expand_v2_tensor_list2/expand_v2_tensor_list2.pdmodel"),
     std::string("exp_test_float32/exp_test_float32.pdmodel"),
+    std::string("eye/eye.pdmodel"),
+    std::string("eye_int32/eye_int32.pdmodel"),
+    std::string("eye_int64/eye_int64.pdmodel"),
     std::string("flip_1/flip_1.pdmodel"),
     std::string("flip_2/flip_2.pdmodel"),
     std::string("flip_3/flip_3.pdmodel"),

src/frontends/paddle/tests/test_models/gen_scripts/generate_elu.py

@@ -0,0 +1,44 @@
+# Copyright (C) 2018-2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+#
+# relu6 paddle model generator
+#
+import numpy as np
+from save_model import saveModel
+import paddle
+import sys
+
+
+def elu(name: str, x, alpha=None, data_type='float32'):
+    paddle.enable_static()
+
+    with paddle.static.program_guard(paddle.static.Program(), paddle.static.Program()):
+        node_x = paddle.static.data(name='x', shape=x.shape, dtype=data_type)
+
+        if paddle.__version__ >= '2.0.0':
+            out = paddle.nn.functional.elu(node_x, alpha, name='elu')
+        else:
+            out = paddle.fluid.layers.elu(node_x, alpha, name='elu')
+        cpu = paddle.static.cpu_places(1)
+        exe = paddle.static.Executor(cpu[0])
+        # startup program will call initializer to initialize the parameters.
+        exe.run(paddle.static.default_startup_program())
+
+        outs = exe.run(
+            feed={'x': x},
+            fetch_list=[out])             
+
+        saveModel(name, exe, feed_vars=[node_x], fetchlist=[out],
+                  inputs=[x], outputs=[outs[0]], target_dir=sys.argv[1])
+
+    return outs[0]
+
+
+def main():
+    data_type = 'float32'
+    data = np.random.randn(2, 3, 4).astype('float32')
+    elu("elu", data)
+
+if __name__ == "__main__":
+    main()

src/frontends/paddle/tests/test_models/gen_scripts/generate_eye.py

@@ -0,0 +1,41 @@
+# Copyright (C) 2018-2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+#
+# fill_const paddle model generator
+#
+import numpy as np
+from save_model import saveModel
+import paddle
+import sys
+
+
+def eye(name : str, rows, cols = None, dtype = None):
+    paddle.enable_static()
+    with paddle.static.program_guard(paddle.static.Program(), paddle.static.Program()):
+        if paddle.__version__ >= '2.0.0':
+            x1 = paddle.eye(num_rows=rows, num_columns=cols, dtype=dtype, name='fill')
+            x2 = paddle.eye(num_rows=rows, num_columns=cols, dtype=dtype, name='fill')
+        else:
+            x1 = paddle.fluid.layers.eye(num_rows=rows, num_columns=cols, dtype=dtype, name='fill_constant')
+            x2 = paddle.fluid.layers.eye(num_rows=rows, num_columns=cols, dtype=dtype, name='fill_constant')
+        out = paddle.add(x1, x2)
+        cpu = paddle.static.cpu_places(1)
+        exe = paddle.static.Executor(cpu[0])
+        # startup program will call initializer to initialize the parameters.
+        exe.run(paddle.static.default_startup_program())
+
+        outs = exe.run(
+            fetch_list=[out])             
+
+        saveModel(name, exe, feed_vars=[], fetchlist=[out], inputs=[], outputs=[outs[0]], target_dir=sys.argv[1])
+
+    return outs[0]
+
+def main():
+    eye("eye", 3)
+    eye("eye_int32", 2, 3, "int32")
+    eye("eye_int64", 2, 3, "int64")
+
+if __name__ == "__main__":
+    main()