load op add seletedRows

paddle/fluid/operators/load_op.cc

+
 /* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
@@ -45,22 +46,19 @@ class LoadOp : public framework::OperatorBase {
                    out_var_name);
 
     if (out_var->IsType<framework::LoDTensor>()) {
-      SaveLodTensor(filename, place, out_var);
+      LoadLodTensor(filename, place, out_var);
     } else if (out_var->IsType<framework::SelectedRows>()) {
-      SaveSelectedRows(filename, scope, place, out_var);
+      LoadSelectedRows(filename, scope, place, out_var);
     } else {
       PADDLE_ENFORCE(
           false,
           "Load only support LoDTensor and SelectedRows, %s has wrong type",
-          iname);
-    }
+          out_var_name);
     }
     }
 
   void LoadLodTensor(const std::string &filename, const platform::Place &place,
                      framework::Variable *var) const {
-    auto &tensor = var->Get<framework::LoDTensor>();
-
     // get device context from pool
     platform::DeviceContextPool &pool = platform::DeviceContextPool::Instance();
     auto &dev_ctx = *pool.Get(place);
@@ -68,10 +66,10 @@ class LoadOp : public framework::OperatorBase {
     // FIXME(yuyang18): We save variable to local file now, but we should change
     // it to save an output stream.
     std::ifstream fin(filename);
-    PADDLE_ENFORCE(static_cast<bool>(fout), "Cannot open %s to write",
+    PADDLE_ENFORCE(static_cast<bool>(fin), "Cannot open %s to read",
                    filename);
 
-      auto *tensor = out_var->GetMutable<framework::LoDTensor>();
+      auto *tensor = var->GetMutable<framework::LoDTensor>();
 
     DeserializeFromStream(fin, tensor, *dev_ctx);
 
@@ -90,11 +88,12 @@ class LoadOp : public framework::OperatorBase {
                                &fp16_tensor);
 
       // reset output tensor
-      out_var->Clear();
-      tensor = out_var->GetMutable<framework::LoDTensor>();
+      var->Clear();
+      tensor = var->GetMutable<framework::LoDTensor>();
       tensor->set_lod(fp16_tensor.lod());
       tensor->ShareDataWith(fp16_tensor);
       }
+  }
 
   void LoadSelectedRows(const std::string &filename,
                         const framework::Scope &scope,
@@ -110,7 +109,7 @@ class LoadOp : public framework::OperatorBase {
     // FIXME(yuyang18): We save variable to local file now, but we should change
     // it to save an output stream.
     std::ifstream fin(filename);
-    PADDLE_ENFORCE(static_cast<bool>(fin), "Cannot open %s to write",
+    PADDLE_ENFORCE(static_cast<bool>(fin), "Cannot open %s to read",
                    filename);
     framework::DeserializeFromStream(fin, selectedRows, dev_ctx);
   }