Added export_meta_graph() and import_meta_graph() for

serializing/de-serializing the graph and other Python objects necessary
restarting training, running eval, or running inference into a MetaGraphDef
protocol buffer. MetaGraphDef contains the following:
  - MetaInfoDef: For storing version and other meta data associated with the
    meta graph.
  - GraphDef: The Graph.
  - SaverDef: The Saver.
  - CollectionDef
    * Int64List
    * FloatList
    * BytesList
    * NodeList
    * AnyList

These are evolving APIs and subject to change.
Change: 114026857

1 files changed, 30 insertions, 0 deletions

diff --git a/tensorflow/core/framework/variable.proto b/tensorflow/core/framework/variable.proto
new file mode 100644
index 0000000000..3e46ff76b5
--- /dev/null
+++ b/tensorflow/core/framework/variable.proto
@@ -0,0 +1,30 @@
+syntax = "proto3";
+
+package tensorflow;
+// option cc_enable_arenas = true;
+
+// Protocol buffer representing a Variable.
+message VariableDef {
+  // Name of the variable tensor.
+  string variable_name = 1;
+
+  // Name of the initializer op.
+  string initializer_name = 2;
+
+  // Name of the snapshot tensor.
+  string snapshot_name = 3;
+
+  // Support for saving variables as slices of a larger variable.
+  SaveSliceInfoDef save_slice_info_def = 4;
+}
+
+message SaveSliceInfoDef {
+  // Name of the full variable of which this is a slice.
+  string full_name = 1;
+  // Shape of the full variable.
+  repeated int32 full_shape = 2;
+  // Offset of this variable into the full variable.
+  repeated int32 var_offset = 3;
+  // Shape of this variable.
+  repeated int32 var_shape = 4;
+}