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Bruce Fontaine

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11:30
2026-10-14
databricks.com
large-language-models

Reducing Qwen training time by 6x on AI Runtime

Databricks engineers Bruce Fontaine and Pardis Beikzadeh cut Qwen 3.8 27B fine-tuning time on AI Runtime by 6x, from 7 hours 44 minutes to 1 hour 17 minutes on a fixed dataset, despite GPU utilization…

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Databricks 1 AI Runtime 1 Qwen 3.8 27B 1 Pardis Beikzadeh 1 HuggingFaceH4/ultrachat_200k 1 transformers 1 torch trace 1
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large language models 1 ai infrastructure 1 mlops 1 ai research 1