move trace infer shape (#39517)

paddle/fluid/operators/trace_op.cc

@@ -12,8 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include "paddle/fluid/framework/infershape_utils.h"
 #include "paddle/fluid/framework/op_registry.h"
 #include "paddle/fluid/framework/op_version_registry.h"
+#include "paddle/pten/core/infermeta_utils.h"
+#include "paddle/pten/infermeta/unary.h"
 
 namespace paddle {
 namespace operators {
@@ -21,57 +24,6 @@ namespace operators {
 class TraceOp : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
-
-  void InferShape(framework::InferShapeContext *ctx) const override {
-    PADDLE_ENFORCE_EQ(
-        ctx->HasInput("Input"), true,
-        platform::errors::NotFound("Input of TraceOp is not found."));
-
-    PADDLE_ENFORCE_EQ(
-        ctx->HasOutput("Out"), true,
-        platform::errors::NotFound("Output of TraceOp is not found."));
-
-    int dim1 = ctx->Attrs().Get<int>("axis1");
-    int dim2 = ctx->Attrs().Get<int>("axis2");
-
-    auto x_dims = ctx->GetInputDim("Input");
-
-    int dim1_ = dim1 < 0 ? x_dims.size() + dim1 : dim1;
-    int dim2_ = dim2 < 0 ? x_dims.size() + dim2 : dim2;
-
-    PADDLE_ENFORCE_GE(
-        x_dims.size(), 2,
-        platform::errors::OutOfRange(
-            "Input's dim is out of range (expected at least 2, but got %ld).",
-            x_dims.size()));
-    PADDLE_ENFORCE_LT(
-        dim1_, x_dims.size(),
-        platform::errors::OutOfRange(
-            "Attr(dim1) is out of range (expected to be in range of [%ld, "
-            "%ld], but got %ld).",
-            -(x_dims.size()), (x_dims.size() - 1), dim1));
-    PADDLE_ENFORCE_LT(
-        dim2_, x_dims.size(),
-        platform::errors::OutOfRange(
-            "Attr(dim2) is out of range (expected to be in range of [%ld, "
-            "%ld], but got %ld).",
-            -(x_dims.size()), (x_dims.size() - 1), dim2));
-    PADDLE_ENFORCE_NE(dim1_, dim2_,
-                      platform::errors::InvalidArgument(
-                          "The dimensions should not be identical "
-                          "%ld vs %ld.",
-                          dim1, dim2));
-
-    auto sizes = vectorize(x_dims);
-    if (x_dims.size() == 2) {
-      sizes.clear();
-      sizes.push_back(1);
-    } else {
-      sizes.erase(sizes.begin() + std::max(dim1_, dim2_));
-      sizes.erase(sizes.begin() + std::min(dim1_, dim2_));
-    }
-    ctx->SetOutputDim("Out", framework::make_ddim(sizes));
-  }
 };
 
 class TraceOpMaker : public framework::OpProtoAndCheckerMaker {
@@ -155,9 +107,12 @@ DECLARE_NO_NEED_BUFFER_VARS_INFERER(TraceGradNoNeedBufferVarsInferer, "Input");
 }  // namespace paddle
 
 namespace ops = paddle::operators;
+DELCARE_INFER_SHAPE_FUNCTOR(trace, TraceInferShapeFunctor,
+                            PT_INFER_META(pten::TraceInferMeta));
 REGISTER_OPERATOR(trace, ops::TraceOp, ops::TraceOpMaker,
                   ops::TraceGradOpMaker<paddle::framework::OpDesc>,
-                  ops::TraceGradOpMaker<paddle::imperative::OpBase>);
+                  ops::TraceGradOpMaker<paddle::imperative::OpBase>,
+                  TraceInferShapeFunctor);
 
 REGISTER_OPERATOR(trace_grad, ops::TraceOpGrad,
                   ops::TraceGradNoNeedBufferVarsInferer);

paddle/pten/infermeta/unary.cc

@@ -444,8 +444,59 @@ void SplitInferMeta(const MetaTensor& x,
       (*out)[i].share_lod(x);
     }
   }
+}
+
+void TraceInferMeta(
+    const MetaTensor& x, int offset, int axis1, int axis2, MetaTensor* out) {
+  int dim1 = axis1;
+  int dim2 = axis2;
+
+  auto x_dims = x.dims();
 
-  return;
+  int dim1_ = dim1 < 0 ? x_dims.size() + dim1 : dim1;
+  int dim2_ = dim2 < 0 ? x_dims.size() + dim2 : dim2;
+
+  PADDLE_ENFORCE_GE(
+      x_dims.size(),
+      2,
+      pten::errors::OutOfRange(
+          "Input's dim is out of range (expected at least 2, but got %ld).",
+          x_dims.size()));
+  PADDLE_ENFORCE_LT(
+      dim1_,
+      x_dims.size(),
+      pten::errors::OutOfRange(
+          "Attr(dim1) is out of range (expected to be in range of [%ld, "
+          "%ld], but got %ld).",
+          -(x_dims.size()),
+          (x_dims.size() - 1),
+          dim1));
+  PADDLE_ENFORCE_LT(
+      dim2_,
+      x_dims.size(),
+      pten::errors::OutOfRange(
+          "Attr(dim2) is out of range (expected to be in range of [%ld, "
+          "%ld], but got %ld).",
+          -(x_dims.size()),
+          (x_dims.size() - 1),
+          dim2));
+  PADDLE_ENFORCE_NE(
+      dim1_,
+      dim2_,
+      pten::errors::InvalidArgument("The dimensions should not be identical "
+                                    "%ld vs %ld.",
+                                    dim1,
+                                    dim2));
+
+  auto sizes = vectorize(x_dims);
+  if (x_dims.size() == 2) {
+    sizes.clear();
+    sizes.push_back(1);
+  } else {
+    sizes.erase(sizes.begin() + std::max(dim1_, dim2_));
+    sizes.erase(sizes.begin() + std::min(dim1_, dim2_));
+  }
+  out->set_dims(framework::make_ddim(sizes));
 }
 
 }  // namespace pten

paddle/pten/infermeta/unary.h

@@ -80,4 +80,8 @@ void SplitInferMeta(const MetaTensor& x_meta,
                     const Scalar& axis,
                     std::vector<MetaTensor>* out,
                     MetaConfig config = MetaConfig());
+
+void TraceInferMeta(
+    const MetaTensor& x, int offset, int axis1, int axis2, MetaTensor* out);
+
 }  // namespace pten