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FIFO's opposite is LIFO, last-in-first-out, where the youngest entry or "top of the stack" is processed first. [2] A priority queue is neither FIFO or LIFO but may adopt similar behaviour temporarily or by default. Queueing theory encompasses these methods for processing data structures, as well as interactions between strict-FIFO queues.
FIFO and LIFO accounting are methods used in managing inventory and financial matters involving the amount of money a company has to have tied up within inventory of produced goods, raw materials, parts, components, or feedstocks. They are used to manage assumptions of costs related to inventory, stock repurchases (if purchased at different ...
FIFO (computing and electronics), a method of queuing or memory management Queue (abstract data type), data abstraction of the queuing concept; FIFO and LIFO accounting, methods used in managing inventory and financial matters
Stock rotation is a way of mitigating stock loss. It is the practice, used in hospitality and retail, especially in food stores such as restaurants and supermarkets, of moving products with an earlier sell-by date to the front of a shelf (or in the cooler if the stored item is on repack so they get worked out before the new product), [1] so they get picked up and sold first, and of moving ...
First Expired, First Out (FEFO) is a term used in field inventory management to describe a way of dealing with the logistics of products that have a limited shelf life.These items include perishable products or consumer goods with a specified expiration date.
A first in, first out (FIFO) backup scheme saves new or modified files onto the "oldest" media in the set, i.e. the media that contain the oldest and thus least useful previously backed up data. [1] Performing a daily backup onto a set of 14 media, the backup depth would be 14 days.
S3-FIFO demonstrates that FIFO queues are sufficient to design efficient and scalable eviction algorithms. Compared to LRU and LRU-based algorithms, S3-FIFO can achieve 6x higher throughput. Besides, on web cache workloads, S3-FIFO achieves the lowest miss ratio among 11 state-of-the-art algorithms the authors compared with. [19]
A modified form of the FIFO page replacement algorithm, known as the Second-chance page replacement algorithm, fares relatively better than FIFO at little cost for the improvement. It works by looking at the front of the queue as FIFO does, but instead of immediately paging out that page, it checks to see if its referenced bit is set.