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In computing, a memory access pattern or IO access pattern is the pattern with which a system or program reads and writes memory on secondary storage.These patterns differ in the level of locality of reference and drastically affect cache performance, [1] and also have implications for the approach to parallelism [2] [3] and distribution of workload in shared memory systems. [4]
In computer science, locality of reference, also known as the principle of locality, [1] is the tendency of a processor to access the same set of memory locations repetitively over a short period of time. [2] There are two basic types of reference locality – temporal and spatial locality.
LIRS (Low Inter-reference Recency Set) is a page replacement algorithm with an improved performance over LRU (Least Recently Used) and many other newer replacement algorithms. [1] This is achieved by using "reuse distance" [ 2 ] as the locality metric for dynamically ranking accessed pages to make a replacement decision.
Transactional memory model [7] is the combination of cache coherency and memory consistency models as a communication model for shared memory systems supported by software or hardware; a transactional memory model provides both memory consistency and cache coherency. A transaction is a sequence of operations executed by a process that ...
Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). [1] NUMA is beneficial for workloads with high memory locality of reference and low lock contention , because a processor may operate on a subset of memory mostly or entirely within its ...
Starting in January a new state law will make it harder for children under 16 to access social media in Ohio. On Jan. 15, Ohio’s Social Media Parental Notification Act will go into effect, and ...
Cache coherence is the discipline which ensures that the changes in the values of shared operands (data) are propagated throughout the system in a timely fashion. [2] The following are the requirements for cache coherence: [3] Write Propagation Changes to the data in any cache must be propagated to other copies (of that cache line) in the peer ...
The Minnesota Vikings have agreed to a trade to acquire left tackle Cam Robinson from the Jacksonville Jaguars, NFL Network reports. The deal provides protection for Sam Darnold's blind slide ...