prefetching

Loading data early

Prefetching is loading data or instructions before they're explicitly requested, anticipating what will be needed next.

In computing, a processor might prefetch the next likely instructions while executing current ones.

Web browsers prefetch linked pages while you read the current one.

The goal is reducing wait time by working ahead: The app uses prefetching to load images before you scroll to them.

performance

latency

Delay in system response

bandwidthData transmission capacity
throughputProcessing rate over time
optimizationMaximizing efficiency or performance

parallelism · pipelining · streaming · acceleration · concurrency · bottleneck · overhead · scalability · utilization · warmup

computing

cache

Concealed storage spot

bufferProtective intermediate space
preloadInstall in advance
speculativeBased on conjecture

memory · CPU · instruction · pipeline · data · I/O · disk · hardware · processor · lookahead

strategy

algorithm

Finite problem-solving procedure

predictionForecast of coming events
heuristicPractical solving shortcut
schedulingAssigning times to events

sequential · adaptive · aggressive · conservative · stride · pattern · locality · speculation · hint · directive

Categories

cachingFIFO, TTL, eviction, write-back, browser cache
optimizationoptimization, caching, optimum, indexing, batching
web performanceload time, response time, caching, browser cache, CDN
network optimizationload balancing, throughput, CDN, caching, data compression
PC maintenancedefrag, defragmentation, disk cleanup, antivirus, malware removal
data operationsedit, backup, modify, read, write

Opposites

data retrieval timing

prefetchinglazy loading

Postponing retrieval until necessary

caching strategy

prefetchingeviction

Forced departure from rental

flushing · purging · cache clearing · discarding · write-back

Family

fetch, fetching, fetched, fetches, fetcher, prefetch

Familiarity: Top 1,000,000
Profile: Used worldwide · Timeless · Abstract · Rated G