6.4.2 Direct-mapped cache Figure 6.27 P490 Simplest kind of cache Characterized by exactly one line per set set 0: valid tag cache block E=1 lines per set set 1: valida cache block set S-1: alid tag cache block 1212 6.4.2 Direct-mapped cache Figure 6.27 P490 • Simplest kind of cache • Characterized by exactly one line per set. valid valid valid tag tag tag • • • set 0: set 1: set S-1: cache block E=1 lines per set cache block cache block