prefetching$550724$ - meaning and definition. What is prefetching$550724$
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What (who) is prefetching$550724$ - definition

ACCOUNT NUMBER
DNS prefetching

Cache prefetching         
COMPUTER PROCESSING TECHNIQUE TO BOOST MEMORY
Instruction prefetch; Cache Prefetching
Cache prefetching is a technique used by computer processors to boost execution performance by fetching instructions or data from their original storage in slower memory to a faster local memory before it is actually needed (hence the term 'prefetch'). Most modern computer processors have fast and local cache memory in which prefetched data is held until it is required.
Link prefetching         
Link prefetching allows web browsers to pre-load resources. This speeds up both the loading and rendering of web pages.
instruction prefetch         
COMPUTER PROCESSING TECHNIQUE TO BOOST MEMORY
Instruction prefetch; Cache Prefetching
<architecture> A technique which attempts to minimise the time a processor spends waiting for instructions to be fetched from memory. Instructions following the one currently being executed are loaded into a prefetch queue when the processor's external bus is otherwise idle. If the processor executes a branch instruction or receives an interrupt then the queue must be flushed and reloaded from the new address. Instruction prefetch is often combined with pipelining in an attempt to keep the pipeline busy. By 1995 most processors used prefetching, e.g. {Motorola 680x0}, Intel 80x86. [First processors using prefetch?] (1998-03-29)

Wikipedia

Link prefetching

Link prefetching allows web browsers to pre-load resources. This speeds up both the loading and rendering of web pages. Prefetching was first introduced in HTML5.

Prefetching is accomplished through hints in web pages. These hints are used by the browser to prefetch links. Resources which can be prefetched include: JavaScript, CSS, image, audio, video, and web fonts. DNS names and TCP connections can also be hinted for prefetching.