Erlang port to the Java Virtual Machine
Tue May 30 23:37:37 CEST 2006
Robert Virding wrote:
> Not having tail recursion is a serious problem, Erlang is not usable
> without it! If the underlying machine does not directly support it then
> you have to implement it yourself which means you have to go in at a
> lower level and do more work yourself.
Sure. But the implementations of JRuby and JScheme seem to work fine
without support for JVM tail recursion.
> Many years ago there were attempts to implement other high-level
> languages on the JVM, there may be recent ones but I don't know about
> them, check the literature to see how they managed. Erlang has similar
They work, more or less. There are implementations of Ruby, Python,
are actually considered to be separate here because Scheme requires tail
recursion whereas Common Lisp does not.
> Another major difficulty is that JVM tasking is too heavy for Erlang.
So are OS threads. Erlang seems to sidestep that rather neatly.
In addition, the JVM is about to get a much lighter threading-type
primitive. People in the web server space have also been complaining
about the heft of Java threads, too.
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