I'm running GridSearchCV from sklearn to fine-tune my keras Sequential NN. I started with n_jobs = -1 but now I'm using n_jobs = 2. My PC has 8 processors but I'm still getting the message:
UserWarning: A worker stopped while some jobs were given to the executor. This can be caused by a too short worker timeout or by a memory leak.
"timeout or by a memory leak."
Even so, the GridSearchCV was completed. I'm just curious about why I keep getting this message and if it might mean the results are not reliable.