File: passage_embeddings_model_metadata.proto

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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto3";

option optimize_for = LITE_RUNTIME;

package optimization_guide.proto;

message PassageEmbeddingsModelMetadata {
  // The size of the input window expected by the model.
  uint32 input_window_size = 1;

  // The size (length) of the output embeddings.
  uint32 output_size = 2;

  // The similarity score threshold that two embeddings must exceed to be
  // considered a match. Must be within [0.0, 1.0] since that is the range of
  // all passage embeddings similarity scores.
  double score_threshold = 3;
}