• Cache invalidation is a process in a computer system whereby entries in a cache are replaced or removed. It can be done explicitly, as part of a cache...
    3 KB (433 words) - 19:19, 7 December 2023
  • Thumbnail for Cache coherence
    computer architecture, cache coherence is the uniformity of shared resource data that is stored in multiple local caches. In a cache coherent system, if...
    15 KB (1,984 words) - 06:29, 27 May 2025
  • (HTTP) defines three basic mechanisms for controlling caches: freshness, validation, and invalidation. This is specified in the header of HTTP response messages...
    6 KB (496 words) - 05:11, 29 June 2025
  • an "Invalidation" transaction is sent on the bus to invalidate all the other caches. - The cache is set (or remains) M and all the other caches are set...
    60 KB (7,289 words) - 08:39, 27 May 2025
  • device, avoiding the cache, while all writes go directly to the origin device; any cache write hits also cause invalidation of the cached blocks. The pass-through...
    16 KB (1,872 words) - 22:44, 16 March 2024
  • a correct or incomplete cache. An alternate cache-invalidation strategy is to store a random number in an agreed-upon cache entry and to incorporate...
    18 KB (1,996 words) - 04:09, 25 July 2025
  • integrated internal cache instead. Cache walking on deletes or invalidation events: Cache designs that leverage external cache engines such as Redis or Hazelcast...
    7 KB (1,053 words) - 18:12, 5 November 2024
  • MESI protocol (category Cache coherency)
    CPU can't scan the invalidation queue, as that CPU and the invalidation queue are physically located on opposite sides of the cache. As a result, memory...
    20 KB (2,543 words) - 13:44, 1 August 2025
  • and L2. Now, if there is an eviction from L2, the L2 cache sends a back invalidation to the L1 cache, so that inclusion is not violated. As illustrated...
    9 KB (1,439 words) - 17:04, 25 January 2025
  • signaled to the cache controller which then performs a cache invalidation for DMA writes or cache flush for DMA reads. Non-coherent systems leave this to...
    28 KB (3,924 words) - 17:05, 11 July 2025
  • Thumbnail for Parallel computing
    caches that may store the same value in more than one location, with the possibility of incorrect program execution. These computers require a cache coherency...
    74 KB (8,380 words) - 19:27, 4 June 2025
  • engineering, directory-based cache coherence is a type of cache coherence mechanism, where directories are used to manage caches in place of bus snooping...
    7 KB (1,059 words) - 02:46, 6 June 2024
  • located within a few bytes to the one of the modifying code. The cache invalidation issue on modern processors usually means that self-modifying code...
    41 KB (4,981 words) - 15:26, 16 March 2025
  • hugepage) L : cache-line size (e.g. 32L = 32-byte cache line size) S : cache sector size (e.g. 2S means that the cache uses sectors of 2 cache-lines each)...
    238 KB (13,515 words) - 12:13, 1 August 2025
  • Bus snooping (redirect from Cache snooping)
    action to ensure cache coherency. The action can be a flush or an invalidation of the cache block. It also involves a change of cache block state depending...
    10 KB (1,517 words) - 19:25, 21 May 2025
  • through the addition of a 'volatile' bit tag, providing control over cache invalidation, and reducing the impact of simultaneous graphical and general purpose...
    46 KB (4,416 words) - 05:52, 6 August 2025
  • Thumbnail for Computer cluster
    window Array Coordination Multiprocessing Memory coherence Cache coherence Cache invalidation Barrier Synchronization Application checkpointing Programming...
    34 KB (3,744 words) - 00:28, 3 May 2025
  • Bcache (category Solid-state caching)
    I/O is not cached, to avoid rapid SSD cache invalidation on such operations that are already suitable enough for HDDs; going around the cache for big sequential...
    14 KB (1,544 words) - 13:19, 27 July 2025
  • window Array Coordination Multiprocessing Memory coherence Cache coherence Cache invalidation Barrier Synchronization Application checkpointing Programming...
    51 KB (6,554 words) - 18:00, 25 July 2025
  • operation. Instead, all invalidation is done by writes to main memory. For any given pair of caches, the permitted states of a given cache line are as follows...
    5 KB (649 words) - 04:26, 26 June 2025
  • MOESI protocol (category Cache coherency)
    Owned cache line, it must notify the other processors which are sharing that cache line. The standard implementation simply tells them to invalidate their...
    6 KB (823 words) - 18:22, 26 February 2025
  • window Array Coordination Multiprocessing Memory coherence Cache coherence Cache invalidation Barrier Synchronization Application checkpointing Programming...
    45 KB (4,756 words) - 17:14, 28 May 2025
  • computing, a cache control instruction is a hint embedded in the instruction stream of a processor intended to improve the performance of hardware caches, using...
    7 KB (839 words) - 08:06, 25 February 2025
  • A CPU cache is a piece of hardware that reduces access time to data in memory by keeping some part of the frequently used data of the main memory in a...
    15 KB (2,318 words) - 06:59, 11 July 2025
  • Thumbnail for Multi-core network packet steering
    Multi-core network packet steering (category Cache (computing))
    another hardware supported technique, born with the idea of leveraging cache locality to improve performances by routing incoming packet flows to specific...
    18 KB (1,751 words) - 02:00, 1 August 2025
  • MSI protocol (category Cache coherency)
    cache or has been invalidated by a bus request, and must be fetched from memory or another cache if the block is to be stored in this cache. These coherency...
    7 KB (1,077 words) - 07:42, 3 January 2024
  • Thumbnail for Directory (computing)
    implement a form of caching to RAM of recent path lookups. In the Unix world, this is usually called Directory Name Lookup Cache (DNLC), although it is...
    9 KB (952 words) - 12:00, 27 July 2025
  • MESIF protocol (category Cache coherency)
    The MESIF protocol is a cache coherency and memory coherence protocol developed by Intel for cache coherent non-uniform memory architectures. The protocol...
    6 KB (885 words) - 18:22, 26 February 2025
  • remove it from the cache, in case of a tie (i.e., two or more keys with the same frequency), the Least Recently Used key would be invalidated. Ideal LFU: there...
    4 KB (507 words) - 16:03, 25 May 2025
  • template engine Inheritance of web templates Cache framework with trigger-based and timeout-based invalidation Support of Ajax and Comet programming Form...
    3 KB (206 words) - 12:21, 9 May 2022