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When we use coroutine, we can either have the normal kotlin coroutine or the native-mt version.
i.e.
implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0'
or
implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.5.0-native-mt'
Is there any difference between them? When should we use which?
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Basically, there are two types of Coroutines: Stackless. Stackful.
Multithreaded coroutines A special branch of the kotlinx. coroutines library provides support for using multiple threads. It is a separate branch for the reasons listed in the future concurrency model blog post. However, you can still use the multithreaded version of kotlinx.
coroutines for Kotlin/Native was single-threaded. You could suspend execution, but not schedule work on different threads. This was due to Kotlin/Native's memory model. Ktor was designed to run on this single-threaded model.
Kotlin's Coroutines enabling you to write parallel code easily, in a sequential way, and without worrying about the contextual overheads you know from using threads in Java.
It basically provides capability to use multiple threads in Kotlin/Native code (typically as part of a Kotlin Multiplatform (KMP) project). Some more info at https://kotlinlang.org/docs/mobile/concurrency-and-coroutines.html#multithreaded-coroutines. This is also version used now by many KMP libraries (e.g. Ktor) and is generally a requirement when developing KMP apps.
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