Do Existing Preconditioners Improve Biomedical Tabular Foundation Learning? An Empirical Study on TabPFN Optimization

arXiv:2609.25013 · cs.AI · Submitted 2026-08-01 · Read on arXiv

cs.AI

Submitted: 2026-08-01

Updated: 2026-08-01

Code: https://github.com/PriorLabs/TabPFN

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 74× in this paper · explained in 1 episode
• Foundation Model — 23× in this paper · explained in 3 episodes
• Benchmark — 20× in this paper · explained in 2 episodes
• Foundation Models — 18× in this paper · explained in 7 episodes
• Fine-Tuning — 16× in this paper · explained in 5 episodes
• Significant Memory Concern — 10× in this paper
• Generalization — 9× in this paper · explained in 13 episodes
• Transformer — 9× in this paper · explained in 2 episodes
• AdamW Optimizer — 6× in this paper · explained in 1 episode
• Computational overhead — 5× in this paper · explained in 2 episodes
• Robustness — 5× in this paper · explained in 5 episodes
• Adaptation — 4× in this paper · explained in 1 episode
• Regularization — 4× in this paper · explained in 3 episodes
• Feature Extraction — 3× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Downstream Tasks — 2× in this paper · explained in 2 episodes
• Fisher Information — 2× in this paper · explained in 3 episodes
• In-Context Learning — 2× in this paper · explained in 4 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Bayesian Inference — 1× in this paper · explained in 5 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Feature Engineering — 1× in this paper · explained in 3 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes
• Transformer Models — 1× in this paper · explained in 2 episodes

Sources

• Scalable Second Order Optimization for Deep Learning
• Adam: A Method for Stochastic Optimization
• Optimization for deep learning: theory and algorithms
• Evaluating TabPFN for Mild Cognitive Impairment to Alzheimer's Disease Conversion in Data Limited Settings

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