3 ms·
L1 cache is optimized for speed. You can't make a large L1 cache... the access is too frequent meaning more bandwidth is needed. L1 has many parallel pipelines
by phonethrowaway 5y ago
L1 cache is optimized for speed. You can't make a large L1 cache... the access is too frequent meaning more bandwidth is needed. L1 has many parallel pipelines vs L2 or 3 which are larger caches, respectively, with less pipelining, respectively.
- phonethrowaway 5y agoBigger size means more latency. L1 needs to be fast due to frequent access. Is that what you mean by expensive?