. 31.2 ( ).
. 31.2. . .
L1 Sandy Bridge 32 (8-way) . , , , . , () , . , .
, Sandy Bridge .
Sandy Bridge - , - L0m. - . . , - L0m, , - L0m. , , , , . , - , , - .
- L0m - - L1, , , , . , , - 80%.
(branch target buffer, BTB) , Nehalem. , , . , , , , .