runtime
runtime — noun
1. the total length of time from the beginning to the end of a film, television pro
the total length of time from the beginning to the end of a film, television programme, or online video
The film has a runtime of just over two hours, including the closing credits.
collocation: a runtime of [time period]
Astrid checked the DVD case for the runtime before deciding whether to watch it tonight.
With a runtime of nearly three hours, the director's cut is much longer.
Nala was surprised that the documentary had a much shorter runtime than most Hollywood films.
文法句型
a runtime of [length]
with a runtime of [length]
用法筆記
Often used with 'of' or 'with' to specify the length. Common in film reviews, streaming-service descriptions, and DVD packaging.
常見錯誤
2. the period during which a computer program is actively running and carrying out
the period during which a computer program is actively running and carrying out its instructions, or the length of that period
The app's runtime increased significantly after the latest update, frustrating many users.
collocation: runtime increases / decreases
Saira measured the runtime of each search algorithm to compare their efficiency.
verb + runtime: measure runtime
Errors during runtime are often harder to fix than those found while writing code.
The new processor reduced the algorithm's runtime from ten minutes to just thirty seconds.
- execution time
more precise; used in performance measurement contexts
- run time
alternative spelling; means the same thing
- compile time
the period when a program is being compiled, before it runs
文法句型
during runtime
at runtime
runtime of [program]
用法筆記
In programming, 'runtime' is often contrasted with 'compile time' or 'design time.' 'At runtime' refers to the moment when the program is actually executing, as opposed to when it is being written or compiled.
常見錯誤
3. a software system that provides the basic tools, libraries, and environment need
a software system that provides the basic tools, libraries, and environment needed for a particular computer program to be executed and run correctly
To play this game on your computer, you first need to install the Java runtime.
collocation: install a / the [name] runtime
The development team chose a runtime that supports multiple operating systems for their new application.
verb + runtime: choose / select a runtime
A runtime handles memory management and other low-level tasks, letting programmers focus on writing features.
Dahlia updated the runtime on her server before deploying the new web application.
- runtime environment
fuller term; slightly more formal and precise
- runtime system
emphasises the system-level infrastructure aspect
文法句型
[programming language] runtime
install a runtime
runtime for [language/platform]
用法筆記
Often referred to as a 'runtime environment' or 'runtime system.' Common examples include the Java Runtime Environment (JRE) and the .NET runtime. The term is most frequently used in discussions about programming languages and software deployment.