Although they still have a way to go, and this release isn't representative of the impact this JEP will provide it's going to be interesting to see how performance and memory usage improve as Valhalla progresses.
Over in /r/java, someone posted an online editor you can try out the new functionality in: https://run.mccue.dev/?release=23&gist=08f81022668c9f3419f67...
Although they still have a way to go, and this release isn't representative of the impact this JEP will provide it's going to be interesting to see how performance and memory usage improve as Valhalla progresses.