50.639435 a branch instruct type
55.83933 the pre fetch address
79.27237 target address in return buffer
4.740392 system for return from subrouti
83.31238 output from the buffer
58.563286 branch type inform in bht
40.5641 branch histori inform in a branc
80.824524 an uncondit branch instruct
41.049904 an address of a branch instruc
29.781265 a return buffer
95.716125 a return address for a return 
89.94609 a look up oper
