The output line shows the following:
(5s):380.6 (avg):378.8 Mh/s | A:3381  R:8  HW:0  U:5.0/m  WU:5.0/m

Each column is as follows:
5s:  A 5 second exponentially decaying average hash rate
avg: An all time average hash rate
A:   The number of Accepted shares
R:   The number of Rejected shares
HW:  The number of HardWare errors
U:   The Utility defined as the number of shares / minute
WU:  The Work Utility defined as the number of diff1 shares work / minute  (accepted or rejected).