This is a set of JMH-benchmarks to test various types of alternatives for ThreadLocal within a web-application. These alternatives are mainly intended for very quick use of slow-to-create objects like NumberFormat.
If you want to test it yourself, clone this repository and use maven to prepare your environment.
mvn install should do the trick. Note: some of the code requires Java 1.8.
Afterwards you can run java -jar target/benchmarks.jar -l to see all the benchmarks.
For a 'quick' run, use java -jar target/benchmarks.jar -f1 which will run all benchmarks once and create a nice summary at the end.
The benchmarks will take several minutes (they take 10 seconds per benchmark, with 5 benchmarks per class).
If you want to test your own implementation, just create a subclass of AbstractMultiThreadedFormatBench and run mvn clean install.
To actually run just your benchmark use java -jar target/benchmarks.jar -f1 UniqueuPartOfYourBenchmark (use -l to see which ones are matched).
See the JMH website for more information. And Maven if you need help installing that.