Adjective
(computing, of data) Not cached.
(computing, of a device) Having no cache.
Source: en.wiktionary.orgDuring a cache miss, the CPU usually ejects some other entry in order to make room for the previously uncached data. Source: Internet
The SA-110 was designed to be used with slow (and therefore low-cost) memory and therefore the high set associativity allows a higher hit rate than competing designs, and the use of virtual addresses allows memory to be simultaneously cached and uncached. Source: Internet
The previously uncached data fetched from the backing store during miss handling is usually copied into the cache, ready for the next access. Source: Internet
Imagine a program scanning bytes in a 32bit address space, but being served by a 128bit off chip data bus; individual uncached byte accesses would only allow 1/16th of the total bandwidth to be used, and 80% of the data movement would be addresses. Source: Internet