Clip intermediate output of op when save inference model (#48026)

* clip extra and intermediate output of op

* fix bug

* fix bug

* polich code

* polich log

paddle/fluid/framework/operator.cc

@@ -511,7 +511,7 @@ void OperatorBase::CheckAllInputOutputSet() const {
   }
 
   for (auto& out : info_->Proto().outputs()) {
-    if (!out.dispensable() && !out.extra()) {
+    if (!out.dispensable() && !out.extra() && !out.intermediate()) {
       PADDLE_ENFORCE_NE(
           outputs_.find(out.name()),
           outputs_.end(),

paddle/fluid/operators/batch_norm_op.cc

@@ -158,12 +158,14 @@ void BatchNormOp::InferShape(framework::InferShapeContext *ctx) const {
                           bias_dim[0]));
   }
   ctx->SetOutputDim("Y", x_dims);
+  ctx->ShareLoD("X", "Y");
   VLOG(4) << x_dims;
   ctx->SetOutputDim("MeanOut", {C});
   ctx->SetOutputDim("VarianceOut", {C});
+  if (!test_mode) {
     ctx->SetOutputDim("SavedMean", {C});
     ctx->SetOutputDim("SavedVariance", {C});
-  ctx->ShareLoD("X", "Y");
+  }
   if (ctx->HasOutput("ReserveSpace")) {
     ctx->SetOutputDim("ReserveSpace", {-1});
   }

paddle/fluid/operators/reshape_op.cc

@@ -518,10 +518,7 @@ class Reshape2Op : public ReshapeOp {
              const framework::AttributeMap &attrs)
       : ReshapeOp(type, inputs, outputs, attrs) {}
   void InferShape(framework::InferShapeContext *ctx) const override {
-    PADDLE_ENFORCE_EQ(ctx->HasOutput("XShape"),
-                      true,
-                      platform::errors::InvalidArgument(
-                          "Output(XShape) of ReshapeOp should not be null."));
+    if (ctx->HasOutput("XShape")) {
       const auto &x_dims = ctx->GetInputDim("X");
       std::vector<int64_t> xshape_dims(x_dims.size() + 1);
       xshape_dims[0] = 0;
@@ -530,7 +527,7 @@ class Reshape2Op : public ReshapeOp {
       }
       ctx->SetOutputDim("XShape", phi::make_ddim(xshape_dims));
       ctx->ShareLoD("X", /*->*/ "XShape");
-
+    }
     ReshapeOp::InferShape(ctx);
   }
 };

python/paddle/fluid/dygraph/io.py

@@ -25,7 +25,7 @@ from paddle.fluid.dygraph import layers
 from paddle.fluid.layers import nn
 from paddle.fluid.layers.utils import _hash_with_id
 from paddle.fluid.dygraph.base import switch_to_static_graph
-from paddle.fluid.framework import _non_static_mode
+from paddle.fluid.framework import _non_static_mode, OpProtoHolder
 from paddle.fluid.executor import (
     _is_enable_standalone_executor,
     _is_dy2st_enable_standalone_executor,
@@ -563,6 +563,35 @@ class _ProgramHolder:
                             stop_gradient=True,
                         )
                         op.desc.set_output("ReserveSpace", [reserve_space.name])
+                    continue
+
+                proto = OpProtoHolder.instance().get_op_proto(op.type)
+                has_create_intermediate_out = False
+                for output_proto in proto.outputs:
+                    if output_proto.intermediate:
+                        intermediate_name = output_proto.name
+                        if intermediate_name not in op.output_names:
+                            has_create_intermediate_out = True
+                            intermediate_var = block.create_var(
+                                name=unique_name.generate_with_ignorable_key(
+                                    ".".join(
+                                        [
+                                            op.type + '_' + intermediate_name,
+                                            'tmp',
+                                        ]
+                                    )
+                                ),
+                                type=core.VarDesc.VarType.LOD_TENSOR,
+                                persistable=False,
+                                stop_gradient=True,
+                            )
+                            op.desc.set_output(
+                                intermediate_name, [intermediate_var.name]
+                            )
+                if has_create_intermediate_out:
+                    op.desc.infer_var_type(block.desc)
+                    op.desc.infer_shape(block.desc)
+
         return program
 
     @switch_to_static_graph

python/paddle/fluid/framework.py

@@ -6175,8 +6175,8 @@ class Program:
                     if not find:
                         remove_output_list.append(name)
                 # The extra output of op will be removed in the future
-                # for name in remove_output_list:
-                #     op.remove_output(name)
+                for name in remove_output_list:
+                    op.remove_output(name)
 
                 op_quant_name = (
                     core.op_proto_and_checker_maker.kOpWithQuantAttrName()