27.437601 the system bu i
1.3849188 the return data from memori
92.92375 the origin
57.18995 the likelihood of a cach
80.52297 writeback
74.39202 separ queue
38.14951 the bu protocol
84.94388 other access
76.76969 cach invalid
72.62552 bu transact
41.499825 arbitr for bu grant
15.9828005 an id field
77.034325 address/data transact on the b
43.08969 a writeback cach
0.19762456 a pointer arrang
43.23865 a hierarch cach arrang
