[API compatibility] support inplace and input parameter for silu api (#74788)

* support inplace and input parameter for silu api

* add test

* change position

* fix codestyle

* add print test for silu

* add test

Author: Starrysea996

paddle/fluid/pir/dialect/operator/interface/infer_symbolic_shape/same_operands_result.cc

@@ -195,6 +195,7 @@ OP_SAME_OPERANDS_AND_RESULT(Polygamma_)
 OP_SAME_OPERANDS_AND_RESULT(EnableCheckModelNanInf)
 OP_SAME_OPERANDS_AND_RESULT(ViewShape)
 OP_SAME_OPERANDS_AND_RESULT(Silu)
+OP_SAME_OPERANDS_AND_RESULT(Silu_)
 OP_SAME_OPERANDS_AND_RESULT(ViewDtype)
 OP_SAME_OPERANDS_AND_RESULT(FusedSoftmaxMaskUpperTriangle)
 OP_SAME_OPERANDS_AND_RESULT(Gammaln)

paddle/fluid/pir/dialect/operator/interface/infer_symbolic_shape/same_operands_result.h

@@ -151,6 +151,7 @@ OP_DECLARE_INFER_SYMBOLIC_SHAPE(ShadowFeed)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(ShareData_)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Sign)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Silu)
+OP_DECLARE_INFER_SYMBOLIC_SHAPE(Silu_)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Sin)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Sin_)
 OP_DECLARE_INFER_SYMBOLIC_SHAPE(Sinh)

paddle/phi/ops/yaml/ops.yaml

@@ -5066,12 +5066,13 @@
 
 - op : silu
   args : (Tensor x)
-  output : Tensor
+  output : Tensor(out)
   infer_meta :
     func : UnchangedInferMeta
     spmd_rule : ElementwiseUnaryInferSpmd
   kernel :
     func : silu
+  inplace : (x -> out)
   backward : silu_grad
   interfaces : paddle::dialect::LayoutTransformationInterface, paddle::dialect::InferSymbolicShapeInterface
   traits: pir::UnaryElementWiseTrait

python/paddle/nn/functional/activation.py

@@ -1078,7 +1078,7 @@ def selu(
 
 
 @param_one_alias(["x", "input"])
-def silu(x: Tensor, name: str | None = None) -> Tensor:
+def silu(x: Tensor, inplace: bool = False, name: str | None = None) -> Tensor:
     r"""
     silu activation
 
@@ -1095,6 +1095,7 @@ def silu(x: Tensor, name: str | None = None) -> Tensor:
     Parameters:
         x (Tensor): The input Tensor with data type bfloat16, float16, float32, float64, complex64, complex128.
             alias: ``input``.
+        inplace (bool, optional): Whether to use inplace operation. Default: False.
         name (str|None, optional): For details, please refer to :ref:`api_guide_Name`. Generally, no setting is required. Default: None.
 
     Returns:
@@ -1111,10 +1112,21 @@ def silu(x: Tensor, name: str | None = None) -> Tensor:
             >>> print(out)
             Tensor(shape=[4], dtype=float32, place=Place(cpu), stop_gradient=True,
             [0.73105860, 1.76159406, 2.85772228, 3.92805505])
+
+            >>> out = F.silu(x, True)
+            >>> print(out)
+            Tensor(shape=[4], dtype=float32, place=Place(cpu), stop_gradient=True,
+            [0.73105860, 1.76159406, 2.85772228, 3.92805505])
+            >>> print(x)
+            Tensor(shape=[4], dtype=float32, place=Place(cpu), stop_gradient=True,
+            [0.73105860, 1.76159406, 2.85772228, 3.92805505])
     """
 
     if in_dynamic_or_pir_mode():
-        return _C_ops.silu(x)
+        if inplace:
+            return _C_ops.silu_(x)
+        else:
+            return _C_ops.silu(x)
     else:
         check_variable_and_dtype(
             x,

python/paddle/nn/layer/activation.py

@@ -1263,6 +1263,7 @@ class Silu(Layer):
     Where :math:`x` is the input Tensor.
 
     Parameters:
+        inplace (bool, optional): Whether to use inplace operation. Default: False.
         name (str|None, optional): For details, please refer to :ref:`api_guide_Name`. Generally, no setting is required. Default: None.
 
     Shape:
@@ -1280,17 +1281,29 @@ class Silu(Layer):
             >>> print(out)
             Tensor(shape=[4], dtype=float32, place=Place(cpu), stop_gradient=True,
             [0.73105860, 1.76159406, 2.85772228, 3.92805505])
+
+            >>> m = paddle.nn.Silu(True)
+            >>> out = m(x)
+            >>> print(out)
+            Tensor(shape=[4], dtype=float32, place=Place(cpu), stop_gradient=True,
+            [0.73105860, 1.76159406, 2.85772228, 3.92805505])
+            >>> print(x)
+            Tensor(shape=[4], dtype=float32, place=Place(cpu), stop_gradient=True,
+            [0.73105860, 1.76159406, 2.85772228, 3.92805505])
     """
 
-    def __init__(self, name: str | None = None) -> str:
+    def __init__(self, inplace: bool = False, name: str | None = None) -> str:
         super().__init__()
         self._name = name
+        self._inplace = inplace
 
     def forward(self, x: Tensor) -> Tensor:
-        return F.silu(x, self._name)
+        return F.silu(x, self._inplace, self._name)
 
     def extra_repr(self) -> str:
-        name_str = f'name={self._name}' if self._name else ''
+        name_str = f'inplace={self._inplace}' + (
+            f', name={self._name}' if self._name else ''
+        )
         return name_str