[Refactor] refactor trainer fit loop for better code organization#1388

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HAOCHENYE merged 2 commits intoInternLM:mainfrom

HAOCHENYE:yehc/beautify-trainer-fit

Jan 21, 2026

Commits on Jan 20, 2026

[Refactor] refactor trainer fit loop for better code organization
HAOCHENYE
committed
[Refactor] separate performance metrics computation from logging
HAOCHENYE
committed