Porting the Scala 2 optimizer to Scala 3

"We are porting the optimizer from the Scala 2 compiler to the Scala 3 compiler, improving the performance of Scala 3 applications without requiring developers to write more complex code."

"In early microbenchmarks of code written in a high-level functional style, we're seeing 10-30% faster execution."

"High-level code is easier to read and maintain, in addition to being shorter to write."

"Without compiler help, you might have to write it if that function is critical to your application's performance."

The Scala Center is porting the optimizer from the Scala 2 compiler to the Scala 3 compiler, enhancing performance for Scala 3 applications. Early microbenchmarks show a 10-30% increase in execution speed for high-level functional code. Scala's design allows developers to express intentions clearly, but high-level APIs can complicate optimization for the JVM. The new optimizer aims to bridge this gap, enabling efficient execution without requiring developers to revert to less maintainable low-level code.

Read at Scala-lang