Implement Callback to track epoch-runtime

Implement a Callback to

• track the runtime of each epoch
• log to file
• be used in CallbackHandler

changed due date to July 05, 2021

added Doing enhancement labels

assigned to @kleinert1

created merge request !307 (merged) to address this issue

mentioned in merge request !307 (merged)

marked the checklist item track the runtime of each epoch as completed

marked the checklist item log to file as completed

marked the checklist item be used in CallbackHandler as completed

mentioned in commit 6f29d408

removed Doing label

added .done merged in Develop labels

removed .done label

closed with merge request !318 (merged)

mentioned in commit 1634c669