fix(LoRA): update default model to gemma3_1B_qat_4bit for fast on-device training - #493
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Summary
Fixes #476.
In
Applications/LoRATrainingExample, the default model was hardcoded toLLMRegistry.mistral7B4bit. Fine-tuning a 7B parameter model in an example app on memory-constrained devices (such as iOS/iPadOS or lower-memory M-series Macs) frequently resulted in process termination (jetsam/OOM) or extremely long download times.Solution
LoRATrainingExampletoLLMRegistry.gemma3_1B_qat_4bit(consistent withLLMBasic).LoRATrainingExample/README.mdto reflect the updated default model.swift-format lint --strict.