allocator
C2Pronunciation
UK
- /ˈæl.ə.keɪ.tə/noun
US
- /ˈæləˌkeɪtər/
Description
- resource distributor
- resource assigner
- manager of limited resources
An allocator is someone or something that distributes resources—like time, money, or computer memory—according to a plan or set of rules. Think of a parent allocating chores among their children, or a company allocating a budget to different departments.
The word often pops up in the world of computers! A memory allocator manages how programs use the computer's RAM. But it's not just tech; project managers are allocators of time and tasks, and even nature can seem like an allocator, distributing sunlight and water to plants. If someone is known for being a good allocator, they're efficient at getting things where they need to be.
An allocator is any entity—person, system, or process—responsible for the distribution of limited resources among competing demands. It's about making decisions about who gets what and when. This concept appears in many different fields, from economics to computer science, but the core idea remains consistent: managing scarcity.
In finance, an allocator might be a fund manager deciding how to invest capital across various assets. In project management, it's the person assigning tasks and timelines to team members. A school principal is an allocator of classrooms and teachers.
However, "allocator" frequently appears in technical contexts. In computer science, a memory allocator is a crucial component that manages how programs request and release blocks of memory. A CPU scheduler acts as an allocator of processing time among different running processes. These allocators are often complex algorithms designed to optimize performance and prevent conflicts.
The effectiveness of an allocator depends on its fairness, efficiency, and ability to adapt to changing circumstances. A poor allocator can lead to bottlenecks, waste, or even system failure. So whether it's a person carefully dividing resources or a sophisticated computer program, the role of the allocator is vital for ensuring things run smoothly.
Examples
- 1
Game engine
The game engine uses a fast memory allocator to handle thousands of small objects.
- 2
Custom allocator
We switched to a custom allocator after the default one started causing delays.
Phrase
custom allocator
one built for a particular program or system
- 3
Library API
This library lets you supply your own allocator for large data structures.
- 4
Performance testing
Different allocators behave differently under heavy load, so we tested three before choosing one.
Forms and spellings
1 form open this card.
Main spelling
- allocatornoun