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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 = "proto2";
option optimize_for = LITE_RUNTIME;
option java_package = "org.chromium.components.optimization_guide.proto";
option java_outer_classname = "OnDeviceBaseModelMetadataProto";
package optimization_guide.proto;
// Specifies the version information of the currently downloaded on-device base
// model. This is used to maintain compatibility of additional data requested
// from the server for new features.
message OnDeviceBaseModelMetadata {
// The name of the base model currently stored on-device.
optional string base_model_name = 1;
// The version of the base model currently stored on-device.
optional string base_model_version = 2;
// The performance hints supported for the device and base model combination.
//
// If not set, the device only supports the highest quality performance hint.
repeated OnDeviceModelPerformanceHint supported_performance_hints = 3;
}
enum OnDeviceModelPerformanceHint {
ON_DEVICE_MODEL_PERFORMANCE_HINT_UNSPECIFIED = 0;
// Allows for use of the highest quality model for the feature, which is only
// supported for "high-end" devices.
ON_DEVICE_MODEL_PERFORMANCE_HINT_HIGHEST_QUALITY = 1;
// Allows for use of the smaller model for the feature, which can result in
// degraded quality but results in higher user reach.
ON_DEVICE_MODEL_PERFORMANCE_HINT_FASTEST_INFERENCE = 2;
}
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