https://adtmag.com/articles/2019/12/16/valhalla-update.aspx > Brian Goetz, Oracle's Java language architect, has posted a "State of Valhalla" update to the OpenJDK mailing list on the progress to date on this now five-year-old effort to bring more flexible flattened data types to JVM-based languages and to bring the Java programming model back in line with the performance characteristics of modern hardware. > Over the past five years, Goetz and company have built five prototypes to understand different aspects of the problems Valhalla seeks to remedy.