Update protos to match 2.9rc1

tensorboard/compat/proto/attr_value.proto

@@ -27,7 +27,7 @@ message AttrValue {
     repeated TensorProto tensor = 8;             // "list(tensor)"
     repeated NameAttrList func = 9;              // "list(attr)"
   }
-  // LINT.ThenChange(https://www.tensorflow.org/code/tensorflow/c/c_api.cc)
+  // LINT.ThenChange(//tensorflow/c/c_api.cc)
 
   oneof value {
     bytes s = 2;                 // "string"

tensorboard/compat/proto/config.proto

@@ -212,6 +212,11 @@ message GPUOptions {
 
     // When true, use CUDA cudaMallocAsync API instead of TF gpu allocator.
     bool use_cuda_malloc_async = 11;
+
+    // By default, BFCAllocator may sleep when it runs out of memory, in the
+    // hopes that another thread will free up memory in the meantime.  Setting
+    // this to true disables the sleep; instead we'll OOM immediately.
+    bool disallow_retry_on_allocation_failure = 12;
   }
 
   // Everything inside experimental is subject to change and is not subject

tensorboard/compat/proto/coordination_config.proto

@@ -22,11 +22,25 @@ message CoordinationServiceConfig {
   // Maximum wait time for all members in the cluster to be registered.
   int64 cluster_register_timeout_in_ms = 4;
 
-  // Heartbeat timeout, if a worker does not record heartbeat in this time
+  // Heartbeat timeout, if a task does not record heartbeat in this time
   // window, it will be considered disconnected.
+  // Note: This is also used as a grace period to accept any heartbeats after
+  // the agent has disconnected, to account for the lag time between the service
+  // recording the state change and the agent stopping heartbeats.
   int64 heartbeat_timeout_in_ms = 5;
 
   // The list of jobs that partipate in the coordination service. If empty, all
   // jobs will be included in the coordination service by default.
   repeated string coordinated_jobs = 6;
+
+  // Denotes how long to wait for all coordination agents to reach the barriers
+  // (after the first shutdown request) before disconnecting together. If
+  // set to 0, no barrier is imposed upon shutdown and each worker can
+  // disconnect individually.
+  int64 shutdown_barrier_timeout_in_ms = 7;
+
+  // If set, agents do not make an explicit Shutdown() call. Service will only
+  // find out about the disconnecte agent via stale heartbeats. Used for
+  // testing.
+  bool agent_destruction_without_shutdown = 8;
 }

tensorboard/compat/proto/full_type.proto

@@ -8,6 +8,7 @@ option java_multiple_files = true;
 option java_package = "org.tensorflow.framework";
 option go_package = "github.com/tensorflow/tensorflow/tensorflow/go/core/framework/full_type_go_proto";
 
+// LINT.IfChange
 // Experimental. Represents the complete type information of a TensorFlow value.
 enum FullTypeId {
   // The default represents an uninitialized values.
@@ -274,3 +275,4 @@ message FullTypeDef {
     // TODO(mdan): list/tensor, map? Need to reconcile with TFT_RECORD, etc.
   }
 }
+// LINT.ThenChange(../ir/types/attributes.td)

tensorboard/compat/proto/rewriter_config.proto

@@ -37,6 +37,13 @@ message RewriterConfig {
     // may break. For example, assume the shape of a placeholder matches its
     // actual feed.
     AGGRESSIVE = 3;
+    // Run MLIR pass if there's one implemented in TFG, do nothing otherwise.
+    // I.e., if there's no corresponding TFG pass, it's an OFF. This is supposed
+    // to be mapped with `ON` and there's no `AGGRESSIVE` in MLIR pass now.
+    EXPERIMENTAL_MLIR = 4;
+    // Run both MLIR and Grappler passes consecutively and MLIR pass will come
+    // first.
+    EXPERIMENTAL_BOTH = 5;
   }
 
   // Enum for layout conversion between NCHW and NHWC on CPU. Default is OFF.

tensorboard/compat/proto/saved_object_graph.proto

@@ -38,7 +38,8 @@ message SavedObject {
   // Objects which this object depends on: named edges in the dependency
   // graph.
   //
-  // Note: currently only valid if kind == "user_object" or "resource".
+  // Note: All kinds of SavedObject may have children, except
+  // "constant" and "captured_tensor".
   repeated TrackableObjectGraph.TrackableObject.ObjectReference children = 1;
 
   // Ordered list of dependencies that must be loaded before this object.

tensorboard/compat/proto/trackable_object_graph.proto

@@ -33,10 +33,10 @@ message TrackableObjectGraph {
       string full_name = 2;
       // The generated name of the Tensor in the checkpoint.
       string checkpoint_key = 3;
-      // Whether checkpoints should be considered as matching even without this
-      // value restored. Used for non-critical values which don't affect the
-      // TensorFlow graph, such as layer configurations.
-      bool optional_restore = 4;
+      // Deprecated bool field for optional restore. This field has never been
+      // set to True.
+      reserved "optional_restore";
+      reserved 4;
     }
 
     message SlotVariableReference {