There are two distinct and orthogonal questions here:
1) Is it possible to package an R program/system in such a way that it
can be distributed as a single executable file (including the R
system, any necessary loaded packages, plus the application program)
and run without an installation of R (which sets up library
directories etc.)?
2) Is it possible to compile R to bytecodes or machine language?
The answers to these questions are independent. It is perfectly
possible to have an interpreted system which is distributed as a
single executable file (using e.g. unexec to save the fully-loaded
state). It is also perfectly possible to have a compiled system which
requires configuration of library directories etc.
I believe the original question on this thread was about (1), but I am
not certain. It also appears that the answer to (1) is 'no', but I am
not certain about that either. I wouldn't think that it would be
impossible to add 'unexec' to R, but I don't know R's internals.
-s
On Wed, May 13, 2009 at 4:17 PM, Matthew Dowle <mdo...@mdowle.plus.com> wrote:
>
> Does Ra get close to compiled R ? "The R code is compiled on the fly to
> bytecode which is executed internally by an interpreter in C." The timing
> tests look impressive.
> http://www.milbo.users.sonic.net/ra/
>
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