© Thomas Kunz 2000
SCE 574
236
TLB Performance
äMemory
access time = 60 nanoseconds
äAssociative
registers time = 20 nanosec
äHit
ratio = 80%
Effective access time
=
0.80 * (20 + 60) + 0.20 * (20 + 60 + 60)=
92 nanoseconds