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The multiqueue (mq) policy has three sets of 16 queues, using the first set for entries waiting for the cache and the remaining two sets for entries already in the cache, with the latter separated so the clean and dirty entries belong to each of the two sets. The age of cache entries in the queues is based on their associated logical time.
Set-associative cache is a trade-off between direct-mapped cache and fully associative cache. A set-associative cache can be imagined as a n × m matrix. The cache is divided into ‘n’ sets and each set contains ‘m’ cache lines. A memory block is first mapped onto a set and then placed into any cache line of the set.
CMake ships with numerous .cmake script files and development tools that facilitate tasks such as finding dependencies (both built-in and external, e.g. FindXYZ modules), testing the toolchain environment and executables, packaging releases (CPack), and managing dependencies on external projects (ExternalProject module).
CacheFS is a family of software technologies designed to speed up distributed file system file access for networked computers. [citation needed] They store copies of files on secondary memory, typically a local hard disk, so that if a file is accessed again, it can be fetched locally at much higher speeds than networks typically allow.
bcache (abbreviated from block cache) is a cache mechanism in the Linux kernel's block layer, which is used for accessing secondary storage devices. It allows one or more fast storage devices, such as flash-based solid-state drives (SSDs), to act as a cache for one or more slower storage devices, such as hard disk drives (HDDs); this ...
The Time aware Least Recently Used (TLRU) [1] is a variant of LRU designed for the situation where the stored contents in cache have a valid life time. The algorithm is suitable in network cache applications, such as information-centric networking (ICN), content delivery networks (CDNs) and distributed networks in general. TLRU introduces a new ...
NetworkManager is a daemon that sits on top of libudev and other Linux kernel interfaces (and a couple of other daemons) and provides a high-level interface for the configuration of the network interfaces.
Readahead is a system call of the Linux kernel that loads a file's contents into the page cache.This prefetches the file so that when it is subsequently accessed, its contents are read from the main memory rather than from a hard disk drive (HDD), resulting in much lower file access latencies.