What is the fastest cyclic synchronization in Java (ExecutorService vs. CyclicBarrier vs. X)?

Question

Which Java synchronization construct is likely to provide the best performance for a concurrent, iterative processing scenario with a fixed number of threads like the one outli

Answer 1

It does seem that you do not need any synchronization between the workers. Maybe you should consider using the ForkJoin framework which is available in Java 7, as well as a separate library. Some links:

• Tutorial at Oracle
• Original paper by Doug Lea