Rounding in Preconditioner Space: Redesigning 4-bit AdamW Optimizer-State Quantization

8 Oct 2026Reported by arXiv21

Rounding in Preconditioner Space: Redesigning 4-bit AdamW Optimizer-State Quantization. It centres on GPT, and also names Llama and Fine-tuning. Reported by arXiv. Bharat Hunt files it under AI Models — the section covering a new or updated model, its capabilities, benchmarks or availability.

Written by Bharat Hunt from the headline and the coverage below. The original reporting is the source of truth.

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Reported by arXiv

First seen 8 oct 2026

arXivRounding in Preconditioner Space: Redesigning 4-bit AdamW Optimizer-State Quantization8 Oct 2026Hanyang Li

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Principled Under Pressure: Post-Training Decides Whether LLMs Act on Their Own Moral Judgment

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Rounding in Preconditioner Space: Redesigning 4-bit AdamW Optimizer-State Quantization

Companies, models and people in this story

Reported by arXiv

Measuring the Serving Stack Instead of the Model: Hidden Confounds in Local Tool-Use Evaluation

Principled Under Pressure: Post-Training Decides Whether LLMs Act on Their Own Moral Judgment

Fine-Tuning LLMs for Translation: General Forgetting Mitigation Does Not Preserve MT-Specific Instruction Following

Stale-Document Poisoning: When Outdated Retrieval Overrides Correct Model Answers

Companies, models and people in this story

Reported by arXiv

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Measuring the Serving Stack Instead of the Model: Hidden Confounds in Local Tool-Use Evaluation

Principled Under Pressure: Post-Training Decides Whether LLMs Act on Their Own Moral Judgment

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Stale-Document Poisoning: When Outdated Retrieval Overrides Correct Model Answers