1) compile:  Use a maxima compiler (see pvmmc)
    or the (comile ...) command in maxima  lisp level to compile the
    files

    maxima-hello.lsp  maxima-hello_other.lsp

   to obtain the corresponding .o files and distribute these to
   target hosts in your PVM.

2) distribute the executable files

   maxima-hello and maxima-hello_other

   to each host in your PVM.  (Use pvm_distrib if it works for you)

3) start your PVM

4) execute

    maxima-hello "hostname"

   to cause invocation of maxima-hello_other on the given host and
   the result exchange of data.

