Struct SignatureDef 

pub struct SignatureDef {
    pub inputs: HashMap<String, TensorInfo>,
    pub outputs: HashMap<String, TensorInfo>,
    pub method_name: String,
}

SignatureDef defines the signature of a computation supported by a TensorFlow graph.

For example, a model with two loss computations, sharing a single input, might have the following signature_def map.

Note that across the two SignatureDefs “loss_A” and “loss_B”, the input key, output key, and method_name are identical, and will be used by system(s) that implement or rely upon this particular loss method. The output tensor names differ, demonstrating how different outputs can exist for the same method.

signature_def { key: “loss_A” value { inputs { key: “input” value { name: “input:0” dtype: DT_STRING tensor_shape: … } } outputs { key: “loss_output” value { name: “loss_output_A:0” dtype: DT_FLOAT tensor_shape: … } } } … method_name: “some/package/compute_loss” } signature_def { key: “loss_B” value { inputs { key: “input” value { name: “input:0” dtype: DT_STRING tensor_shape: … } } outputs { key: “loss_output” value { name: “loss_output_B:0” dtype: DT_FLOAT tensor_shape: … } } } … method_name: “some/package/compute_loss” }

Fields

inputs: HashMap<String, TensorInfo>

Named input parameters.

outputs: HashMap<String, TensorInfo>

Named output parameters.

method_name: String

Extensible method_name information enabling third-party users to mark a SignatureDef as supporting a particular method. This enables producers and consumers of SignatureDefs, e.g. a model definition library and a serving library to have a clear hand-off regarding the semantics of a computation.

Note that multiple SignatureDefs in a single MetaGraphDef may have the same method_name. This is commonly used to support multi-headed computation, where a single graph computation may return multiple results.

Trait Implementations

impl Clone for SignatureDef

fn clone(&self) -> SignatureDef

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SignatureDef

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SignatureDef

fn default() -> Self

Returns the “default value” for a type.

impl Message for SignatureDef

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited<B>(&self, buf: &mut B) -> Result<(), EncodeError>

where B: BufMut, Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited<B>(buf: B) -> Result<Self, DecodeError>

where B: Buf, Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited<B>(&mut self, buf: B) -> Result<(), DecodeError>

where B: Buf, Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for SignatureDef

fn eq(&self, other: &SignatureDef) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for SignatureDef