When PTQ Calibration Helps or Hurts: Dose-Driven Collapse and Validation-Gated Abstention in Quantized Text Embedders

arXiv:2610.27397 · cs.AI · Submitted 2026-10-19 · Read on arXiv

cs.AI

Submitted: 2026-10-19

Updated: 2026-10-19

Comments: 9 pages, 4 tables, 2 figures

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

Terminology

• Abstention — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 9 episodes

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