Wasabi is an app-specific dialect of VBScript used by one company to deploy a bug tracker to small teams. HipHop is a general-purpose PHP compiler whose output is used at scale by the world's largest social networking site.
I can write a file system that will work fine on my computer, with my workload, and maybe even write an essay about how productive that makes me. But I don't think you'd want to install it.
These two projects are not in the same league - they're not even in the same sport - and so I am baffled to see Wasabi come up in this thread at all.