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syntax = "proto3";
package tensorflow;
option cc_enable_arenas = true;
option java_outer_classname = "SummaryProtos";
option java_multiple_files = true;
option java_package = "org.tensorflow.framework";
option go_package = "github.com/tensorflow/tensorflow/tensorflow/go/core/framework";
import "tensorflow/core/framework/tensor.proto";
// Metadata associated with a series of Summary data
message SummaryDescription {
// Hint on how plugins should process the data in this series.
// Supported values include "scalar", "histogram", "image", "audio"
string type_hint = 1;
}
// Serialization format for histogram module in
// core/lib/histogram/histogram.h
message HistogramProto {
double min = 1;
double max = 2;
double num = 3;
double sum = 4;
double sum_squares = 5;
// Parallel arrays encoding the bucket boundaries and the bucket values.
// bucket(i) is the count for the bucket i. The range for
// a bucket is:
// i == 0: -DBL_MAX .. bucket_limit(0)
// i != 0: bucket_limit(i-1) .. bucket_limit(i)
repeated double bucket_limit = 6 [packed = true];
repeated double bucket = 7 [packed = true];
};
// A SummaryMetadata encapsulates information on which plugins are able to make
// use of a certain summary value.
message SummaryMetadata {
message PluginData {
// The name of the plugin this data pertains to.
string plugin_name = 1;
// The content to store for the plugin. The best practice is for this to be
// a binary serialized protocol buffer.
bytes content = 2;
}
// Data that associates a summary with a certain plugin.
PluginData plugin_data = 1;
// Display name for viewing in TensorBoard.
string display_name = 2;
// Longform readable description of the summary sequence. Markdown supported.
string summary_description = 3;
};
// A Summary is a set of named values to be displayed by the
// visualizer.
//
// Summaries are produced regularly during training, as controlled by
// the "summary_interval_secs" attribute of the training operation.
// Summaries are also produced at the end of an evaluation.
message Summary {
message Image {
// Dimensions of the image.
int32 height = 1;
int32 width = 2;
// Valid colorspace values are
// 1 - grayscale
// 2 - grayscale + alpha
// 3 - RGB
// 4 - RGBA
// 5 - DIGITAL_YUV
// 6 - BGRA
int32 colorspace = 3;
// Image data in encoded format. All image formats supported by
// image_codec::CoderUtil can be stored here.
bytes encoded_image_string = 4;
}
message Audio {
// Sample rate of the audio in Hz.
float sample_rate = 1;
// Number of channels of audio.
int64 num_channels = 2;
// Length of the audio in frames (samples per channel).
int64 length_frames = 3;
// Encoded audio data and its associated RFC 2045 content type (e.g.
// "audio/wav").
bytes encoded_audio_string = 4;
string content_type = 5;
}
message Value {
// This field is deprecated and will not be set.
string node_name = 7;
// Tag name for the data. Used by TensorBoard plugins to organize data. Tags
// are often organized by scope (which contains slashes to convey
// hierarchy). For example: foo/bar/0
string tag = 1;
// Contains metadata on the summary value such as which plugins may use it.
// Take note that many summary values may lack a metadata field. This is
// because the FileWriter only keeps a metadata object on the first summary
// value with a certain tag for each tag. TensorBoard then remembers which
// tags are associated with which plugins. This saves space.
SummaryMetadata metadata = 9;
// Value associated with the tag.
oneof value {
float simple_value = 2;
bytes obsolete_old_style_histogram = 3;
Image image = 4;
HistogramProto histo = 5;
Audio audio = 6;
TensorProto tensor = 8;
}
}
// Set of values for the summary.
repeated Value value = 1;
}
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