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While deep learning has celebrated many successes, its results often hinge on the meticulous selection of hyperparameters (HPs). However, the time-consuming nature of deep learning training makes HP optimization (HPO) a costly endeavor,…

Artificial Intelligence · Computer Science 2024-08-20 Shuhei Watanabe , Neeratyoy Mallik , Edward Bergman , Frank Hutter

We present a new software, HYPPO, that enables the automatic tuning of hyperparameters of various deep learning (DL) models. Unlike other hyperparameter optimization (HPO) methods, HYPPO uses adaptive surrogate models and directly accounts…

Hyperparameter optimization (HPO) is crucial for fine-tuning machine learning models but can be computationally expensive. To reduce costs, Multi-fidelity HPO (MF-HPO) leverages intermediate accuracy levels in the learning process and…

Machine Learning · Computer Science 2023-09-27 Romain Egele , Isabelle Guyon , Yixuan Sun , Prasanna Balaprakash

Hyperparameter optimization (HPO) is known to be costly in deep learning, especially when leveraging automated approaches. Most of the existing automated HPO methods are accuracy-based, i.e., accuracy metrics are used to guide the trials of…

Machine Learning · Computer Science 2026-03-02 Zhongyi Pei , Zhiyao Cen , Yipeng Huang , Chen Wang , Lin Liu , Philip Yu , Mingsheng Long

Hyper-parameter optimization is crucial for pushing the accuracy of a deep learning model to its limits. A hyper-parameter optimization job, referred to as a study, involves numerous trials of training a model using different training…

Machine Learning · Computer Science 2020-06-23 Ahnjae Shin , Do Yoon Kim , Joo Seong Jeong , Byung-Gon Chun

As model sizes grow, finding efficient and cost-effective hyperparameter optimization (HPO) methods becomes increasingly crucial for deep learning pipelines. While multi-fidelity HPO (MF-HPO) trades off computational resources required for…

Machine Learning · Computer Science 2025-04-18 Timur Carstensen , Neeratyoy Mallik , Frank Hutter , Martin Rapp

Recent years have seen an increase in the development of large deep learning (DL) models, which makes training efficiency crucial. Common practice is struggling with the trade-off between usability and performance. On one hand, DL…

Machine Learning · Computer Science 2023-12-27 Hongzheng Chen , Cody Hao Yu , Shuai Zheng , Zhen Zhang , Zhiru Zhang , Yida Wang

Hyperparameters of Deep Learning (DL) pipelines are crucial for their downstream performance. While a large number of methods for Hyperparameter Optimization (HPO) have been developed, their incurred costs are often untenable for modern DL.…

High-fidelity physics simulations are powerful tools in the design and optimization of charged particle accelerators. However, the computational burden of these simulations often limits their use in practice for design optimization and…

Accelerator Physics · Physics 2020-04-15 Auralee Edelen , Nicole Neveu , Yannick Huber , Mattias Frey , Christopher Mayes , Andreas Adelmann

Multi-fidelity (gray-box) hyperparameter optimization techniques (HPO) have recently emerged as a promising direction for tuning Deep Learning methods. However, existing methods suffer from a sub-optimal allocation of the HPO budget to the…

Machine Learning · Computer Science 2023-06-02 Martin Wistuba , Arlind Kadra , Josif Grabocka

Finely tuning MPI applications and understanding the influence of keyparameters (number of processes, granularity, collective operationalgorithms, virtual topology, and process placement) is critical toobtain good performance on…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-10 Tom Cornebize , Arnaud Legrand

Hyperparameter optimization (HPO) is an important step in machine learning (ML) model development, but common practices are archaic -- primarily relying on manual or grid searches. This is partly because adopting advanced HPO algorithms…

Machine Learning · Computer Science 2024-02-08 Sungduk Yu , Mike Pritchard , Po-Lun Ma , Balwinder Singh , Sam Silva

To achieve peak predictive performance, hyperparameter optimization (HPO) is a crucial component of machine learning and its applications. Over the last years, the number of efficient algorithms and tools for HPO grew substantially. At the…

An open problem in differentially private deep learning is hyperparameter optimization (HPO). DP-SGD introduces new hyperparameters and complicates existing ones, forcing researchers to painstakingly tune hyperparameters with hundreds of…

Machine Learning · Computer Science 2024-05-07 Ashwinee Panda , Xinyu Tang , Saeed Mahloujifar , Vikash Sehwag , Prateek Mittal

Hyperparameter optimization (HPO) is a billion-dollar problem in machine learning, which significantly impacts the training efficiency and model performance. However, achieving efficient and robust HPO in deep reinforcement learning (RL) is…

Machine Learning · Computer Science 2025-08-04 Mingqi Yuan , Bo Li , Xin Jin , Wenjun Zeng

Hyperparameter optimization (HPO) is a critical component of machine learning pipelines, significantly affecting model robustness, stability, and generalization. However, HPO is often a time-consuming and computationally intensive task.…

Machine Learning · Computer Science 2025-03-10 Ruinan Wang , Ian Nabney , Mohammad Golbabaee

Large Language Models (LLMs) increasingly rely on Chain-of-Thought (CoT) reasoning to improve accuracy on complex tasks. However, always generating lengthy reasoning traces is inefficient, leading to excessive token usage and higher…

Most machine learning algorithms are configured by one or several hyperparameters that must be carefully chosen and often considerably impact performance. To avoid a time consuming and unreproducible manual trial-and-error process to find…

Hyperparameter optimization, also known as hyperparameter tuning, is a widely recognized technique for improving model performance. Regrettably, when training private ML models, many practitioners often overlook the privacy risks associated…

Machine Learning · Computer Science 2023-11-28 Hua Wang , Sheng Gao , Huanyu Zhang , Weijie J. Su , Milan Shen

Zero-shot hyperparameter optimization (HPO) is a simple yet effective use of transfer learning for constructing a small list of hyperparameter (HP) configurations that complement each other. That is to say, for any given dataset, at least…

Machine Learning · Statistics 2020-07-28 Fela Winkelmolen , Nikita Ivkin , H. Furkan Bozkurt , Zohar Karnin
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