What is the use for average_loss? Would someone please give an example of it or explain it in layman's terms?
You can check in the caffe.proto file. Line 151 in the present version gives the following comment for average_loss:
Display the loss averaged over the last average_loss iterations
来源：https://stackoverflow.com/questions/40190377/what-is-average-loss-field-in-caffe-solver-for