The L1 Caches

L1 Code Cache Characteristics

The characteristics of the Pentium® III's L1 Code Cache are:

• It is 16KB in size.

• It is implemented as a 4-way set-associative cache.

• The cache line size is 32 bytes.

• It implements an SI subset of the MESI coherency protocol.

L1 Data Cache Characteristics

The characteristics of the Pentium® III's L1 Data Cache are:

• It is 16KB in size.

• It is implemented as a 4-way set-associative cache.

• Each cache bank is subdivided into two subbanks.

• The cache line size is 32 bytes.

• It implemented the full MESI coherency protocol.

• It was a non-blocking cache.