With Java 9, support for parallel execution on HSA-compatible processors will be native, Rogers said in an interview following the presentation.

Sun Microsystems Laboratories (Sun Labs) is working on a research effort to address issues with the memory footprint, startup and execution times when running multiple Java applications ...

Sumatra will repurpose Java 8’s multi-core APIs called Stream or Lambda to enable both CPU or GPU computing, but it will need an extra layer of code for parallel execution.