Optional
Optional per-parameter LR multiplier (effective lr for param i is lr · lrScale[i]). Used for LoRA+ — the B leaves get a higher LR than A. Length must match params; missing/undefined entries default to 1.
lr · lrScale[i]
params
Optional per-parameter LR multiplier (effective lr for param i is
lr · lrScale[i]). Used for LoRA+ — the B leaves get a higher LR than A. Length must matchparams; missing/undefined entries default to 1.