Considering the following results, what could be the cause for the low occupancy?
GPU TIME = 191.904
CPU TIME = 222
GRID SIZE X = 5
BLOCK SIZE X = 96
STATIC SHARED MEM PER BLOCK = 6328
REGISTER PER THREAD = 14
OCCUPANCY = 0.25
SM CTA LAUNCHED = 5
BRANCH = 3280
DIVERGENT BRANCH = 20
INSTRUCTIONS = 24321
CTA LAUNCHED = 5
GLD UNCOALESCED = 2550
GLD COALESCED = 40
GSD UNCOALESCED = 4800
GSD COALESCED = 1920
LOCAL LOAD = 300
LOCAL STORE = 40
My card has compute capability 1.1. It has only one S.M.