1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// 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.
#include "components/segmentation_platform/embedder/default_model/compose_promotion.h"
#include <memory>
#include "base/task/sequenced_task_runner.h"
#include "components/compose/core/browser/config.h"
#include "components/segmentation_platform/internal/metadata/metadata_writer.h"
#include "components/segmentation_platform/public/config.h"
#include "components/segmentation_platform/public/constants.h"
#include "components/segmentation_platform/public/features.h"
#include "components/segmentation_platform/public/proto/aggregation.pb.h"
#include "components/segmentation_platform/public/proto/model_metadata.pb.h"
namespace segmentation_platform {
namespace {
using proto::SegmentId;
// Default parameters for ComposePromotion model.
constexpr SegmentId kSegmentId =
SegmentId::OPTIMIZATION_TARGET_SEGMENTATION_COMPOSE_PROMOTION;
constexpr int64_t kModelVersion = 1;
// Store 28 buckets of input data (28 days).
constexpr int64_t kSignalStorageLength = 28;
// No signals are being collected, so no collection length is required.
constexpr int64_t kMinSignalCollectionLength = 0;
} // namespace
// static
std::unique_ptr<Config> ComposePromotion::GetConfig() {
if (!base::FeatureList::IsEnabled(
features::kSegmentationPlatformComposePromotion)) {
return nullptr;
}
auto config = std::make_unique<Config>();
config->segmentation_key = kComposePromotionKey;
config->segmentation_uma_name = kComposePromotionUmaName;
config->AddSegmentId(kSegmentId, std::make_unique<ComposePromotion>());
config->auto_execute_and_cache = false;
return config;
}
ComposePromotion::ComposePromotion() : DefaultModelProvider(kSegmentId) {}
std::unique_ptr<DefaultModelProvider::ModelConfig>
ComposePromotion::GetModelConfig() {
proto::SegmentationModelMetadata metadata;
MetadataWriter writer(&metadata);
writer.SetDefaultSegmentationMetadataConfig(kMinSignalCollectionLength,
kSignalStorageLength);
writer.AddCustomInput(MetadataWriter::CustomInput{
.tensor_length = 1,
.fill_policy = proto::CustomInput::FILL_RANDOM,
.name = "random"});
writer.AddOutputConfigForBinaryClassifier(
0.5,
/*positive_label=*/kComposePrmotionLabelShow,
kComposePrmotionLabelDontShow);
return std::make_unique<ModelConfig>(std::move(metadata), kModelVersion);
}
void ComposePromotion::ExecuteModelWithInput(
const ModelProvider::Request& inputs,
ExecutionCallback callback) {
// Invalid inputs.
if (inputs.size() != 1) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), std::nullopt));
return;
}
float result = 0;
if (inputs[0] <
compose::GetComposeConfig().proactive_nudge_show_probability) {
result = 1;
}
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(std::move(callback), ModelProvider::Response(1, result)));
}
} // namespace segmentation_platform
|
