The hierarchical cache includes a first cache, a second cache, and the content library, where the first cache has a length based on an age of the second cache.

The cache memory (110) includes partitioned cache (120) and shared cache (115).

A cache controller (20) is provided for selecting those cache lines (6) in the cache (5), which are to be evicted from the cache (5).

A data cache of the processor is a one-level cache, wherein the one-level cache comprises a private data cache and a shared data cache.

The cache directory is in communication with the write cache and the at least one read cache.

Provided are a cache optimization method, a cache and a cache optimization system.

A cache directory is also provided to track cache lines in the write cache and the at least one read cache.

A cache controller may be configured to predict whether the first cache block stored in the cache memory is identified as a dead cache block based on a cache burst of the first cache block.

The cache memory system may include fully configurable caches, partially configurable caches, or a combination of configurable and dedicated caches.

In one embodiment, a cache subsystem includes a cache memory and a cache controller coupled to the cache memory.

The progressive cache includes caches arranged in an order from least finished cache elements to most finished cache elements.

The cache memory is typically called level two cache.

The cache can be a database cache.

The cache lines include a first cache line.

The apparatus comprises a first data cache, a second data cache, and cache logic.