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| Main Authors: | , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.24963 |
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| _version_ | 1866908917300199424 |
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| author | Liu, Jiang Landy, John Martabano Xuan, Yao Muddu, Swamy Le, Nhat Sahaf, Munaf Hang, Luc Kien Khandpour, Rupinder De Angeli, Kevin Yang, Chang Chen, Shouyuan Sadik, Shiblee Agrawal, Anirudh Gligorijevic, Djordje Qin, Jingzheng Yao, Peggy Vahdatpour, Alireza |
| author_facet | Liu, Jiang Landy, John Martabano Xuan, Yao Muddu, Swamy Le, Nhat Sahaf, Munaf Hang, Luc Kien Khandpour, Rupinder De Angeli, Kevin Yang, Chang Chen, Shouyuan Sadik, Shiblee Agrawal, Anirudh Gligorijevic, Djordje Qin, Jingzheng Yao, Peggy Vahdatpour, Alireza |
| contents | Modern computational advertising platforms typically rely on recommendation systems to predict user responses, such as click-through rates, conversion rates, and other optimization events. To support a wide variety of product surfaces and advertiser goals, these platforms frequently maintain an extensive ecosystem of machine learning (ML) models. However, operating at this scale creates significant development and efficiency challenges. Substantial engineering effort is required to regularly refresh ML models and propagate new techniques, which results in long latencies when deploying ML innovations across the ecosystem.
We present a large-scale empirical study comparing model performance, efficiency, and ML technique propagation between a standardized model-building approach and independent per-model optimization in recommendation systems. To facilitate this standardization, we propose the Standard Model Template (SMT) -- a framework that generates high-performance models adaptable to diverse data distributions and optimization events. By utilizing standardized, composable ML model components, SMT reduces technique propagation complexity from $O(n \cdot 2^k)$ to $O(n + k)$ where $n$ is the number of models and $k$ the number of techniques.
Evaluating an extensive suite of models over four global development cycles within Meta's production ads ranking ecosystem, our results demonstrate: (1) a 0.63% average improvement in cross-entropy at neutral serving capacity, (2) a 92% reduction in per-model iteration engineering time, and (3) a $6.3\times$ increase in technique-model pair adoption throughput. These findings challenge the conventional wisdom that diverse optimization goals inherently require diversified ML model design. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_24963 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Design Once, Deploy at Scale: Template-Driven ML Development for Large Model Ecosystems Liu, Jiang Landy, John Martabano Xuan, Yao Muddu, Swamy Le, Nhat Sahaf, Munaf Hang, Luc Kien Khandpour, Rupinder De Angeli, Kevin Yang, Chang Chen, Shouyuan Sadik, Shiblee Agrawal, Anirudh Gligorijevic, Djordje Qin, Jingzheng Yao, Peggy Vahdatpour, Alireza Artificial Intelligence Machine Learning Modern computational advertising platforms typically rely on recommendation systems to predict user responses, such as click-through rates, conversion rates, and other optimization events. To support a wide variety of product surfaces and advertiser goals, these platforms frequently maintain an extensive ecosystem of machine learning (ML) models. However, operating at this scale creates significant development and efficiency challenges. Substantial engineering effort is required to regularly refresh ML models and propagate new techniques, which results in long latencies when deploying ML innovations across the ecosystem. We present a large-scale empirical study comparing model performance, efficiency, and ML technique propagation between a standardized model-building approach and independent per-model optimization in recommendation systems. To facilitate this standardization, we propose the Standard Model Template (SMT) -- a framework that generates high-performance models adaptable to diverse data distributions and optimization events. By utilizing standardized, composable ML model components, SMT reduces technique propagation complexity from $O(n \cdot 2^k)$ to $O(n + k)$ where $n$ is the number of models and $k$ the number of techniques. Evaluating an extensive suite of models over four global development cycles within Meta's production ads ranking ecosystem, our results demonstrate: (1) a 0.63% average improvement in cross-entropy at neutral serving capacity, (2) a 92% reduction in per-model iteration engineering time, and (3) a $6.3\times$ increase in technique-model pair adoption throughput. These findings challenge the conventional wisdom that diverse optimization goals inherently require diversified ML model design. |
| title | Design Once, Deploy at Scale: Template-Driven ML Development for Large Model Ecosystems |
| topic | Artificial Intelligence Machine Learning |
| url | https://arxiv.org/abs/2603.24963 |