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-rw-r--r--tensorflow/core/framework/tensor.proto7
1 files changed, 5 insertions, 2 deletions
diff --git a/tensorflow/core/framework/tensor.proto b/tensorflow/core/framework/tensor.proto
index 86c5b88153..5d383bcc66 100644
--- a/tensorflow/core/framework/tensor.proto
+++ b/tensorflow/core/framework/tensor.proto
@@ -28,8 +28,11 @@ message TensorProto {
// to represent a constant Tensor with a single value.
int32 version_number = 3;
- // Serialized content from Tensor::AsProtoTensorContent(). This representation
- // can be used for all tensor types.
+ // Serialized raw tensor content from either Tensor::AsProtoTensorContent or
+ // memcpy in tensorflow::grpc::EncodeTensorToByteBuffer. This representation
+ // can be used for all tensor types. The purpose of this representation is to
+ // reduce serialization overhead during RPC call by avoiding serialization of
+ // many repeated small items.
bytes tensor_content = 4;
// Type specific representations that make it easy to create tensor protos in