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Does Kotlin provide any performance boosts? Is there any benchmarking? Is Kotlin faster than Java? I found this in the Kotlin website. https://kotlinlang.org/docs/reference/comparison-to-java.html Talking about the language features but not performance.
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Kotlin generates very similar bytecode to Java, so the performance of Kotlin code is in most cases the same as the performance of the equivalent Java code.
Switching to Kotlin is simple. Because Kotlin is backwards compatible with Java, you won't have to rewrite all your code. You may gradually convert an application to Kotlin. Coding with Kotlin is shorter and easier to understand: You gain shorter code and higher readability using Kotlin.
No, Kotlin is not the same as Java in various points such as speed and performance. Java is a faster programming language than Kotlin. As one test revealed that Java has ~13% faster compilation speeds (with Gradle) than Kotlin (14.2 seconds vs 16.6 seconds) on average.
Specifically, we found that, on average, Java is faster than Kotlin at executing code by about 20%. We also found the Java Android App to be smaller than Kotlin by about 39%. However, Kotlin does have one good thing going for it, which is lines of code.
Kotlin generates very similar bytecode to Java, so the performance of Kotlin code is in most cases the same as the performance of the equivalent Java code.
One way in which Kotlin can be faster than Java is inline functions. With inline functions, code using higher-order functions such as filter or map can be compiled to simple loop-based bytecode that doesn't create any objects or use any virtual calls (unlike Java code that uses the same type of functions).
Some benchmarks for Kotlin can be found here, here and here.
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