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Previous benchmark was measuring initialization of thread pools and their shutdown, not really measuring performance of Random.nextInt() shared Random instance vs ThreadLocalRandom.current() Example when run with 8 threads Benchmark Mode Cnt Score Error Units ThreadLocalRandomBenchMarker.randomValuesUsingRandom thrpt 20 9.597 ± 0.475 ops/us ThreadLocalRandomBenchMarker.randomValuesUsingThreadLocalRandom thrpt 20 2195.178 ± 109.579 ops/us
Core Java Concurrency Advanced Examples
This module contains articles about advanced topics about multithreading with core Java.
Relevant Articles:
- Semaphores in Java
- Daemon Threads in Java
- Priority-based Job Scheduling in Java
- Brief Introduction to Java Thread.yield()
- Print Even and Odd Numbers Using 2 Threads
- Java CyclicBarrier vs CountDownLatch
- Guide to the Fork/Join Framework in Java
- Guide to ThreadLocalRandom in Java
- The Thread.join() Method in Java
- Passing Parameters to Java Threads