Example of the Scala aggregate function

Question

I have been looking and I cannot find an example or discussion of the aggregate function in Scala that I can understand. It seems pretty powerful.

Can t

Answer 1

Here is the blog on how aggregate enable performance on the multi cores processor with bench mark. http://markusjais.com/scalas-parallel-collections-and-the-aggregate-method/

Here is video on "Scala parallel collections" talk from "Scala Days 2011". http://days2011.scala-lang.org/node/138/272

The description on the video

Scala Parallel Collections

Aleksandar Prokopec

Parallel programming abstractions become increasingly important as the number of processor cores grows. A high-level programming model enables the programmer to focus more on the program and less on low-level details such as synchronization and load-balancing. Scala parallel collections extend the programming model of the Scala collection framework, providing parallel operations on datasets. The talk will describe the architecture of the parallel collection framework, explaining their implementation and design decisions. Concrete collection implementations such as parallel hash maps and parallel hash tries will be described. Finally, several example applications will be shown, demonstrating the programming model in practice.