Greetings! Robert Boyer <[EMAIL PROTECTED]> writes:
> > In principle you are right, but in practice things are far safer. > > Hmmmm. > > > most typically this is done at the kernel level by the system > > administrator. > > It is really cool that GCL can support services to the Internet via sockets > and that system administrators can restrict access to such sockets. > > However, I do doubt that one wants to use something as public as sockets at > all for ordinary interprocess communication in GCL in those cases in which > all one wants is the power of parallelism. What about all the thousands of > other users here at UTCS who may be running jobs on the machine I am running > on? I don't want to begin to think about giving other users access to my > processes via a socket merely to fork off a few processes to take advantages > of the possible presence of multiple-cores. GCL needs a very private method > for forks to communicate, besides sockets, I suspect. It probably has one > that I just don't know about. Which is not saying much. > Indeed -- totally agree. This is what I meant in my earlier post about preconnected pipe streams. Here is what I have locally now -- hope to commit soon: ============================================================================= (defun fib (n) (if (<= n 2) 1 (+ (fib (1- n)) (fib (- n 2))))) FIB >(compile 'fib) ;; Compiling ./gazonk1.lsp. ;; End of Pass 1. ;; End of Pass 2. ;; OPTIMIZE levels: Safety=0 (No runtime error checking), Space=0, Speed=3, (Debug quality ignored) ;; Finished compiling ./gazonk1.o. Loading /fix/t1/camm/debian/gcl/tmp/tmp/foo/unixport/gazonk1.o start address -T 0x13e8568 Finished loading /fix/t1/camm/debian/gcl/tmp/tmp/foo/unixport/gazonk1.o #<compiled-function FIB> NIL NIL >(time (values (fib 31) (fib 31))) real time : 14.050 secs run-gbc time : 5.820 secs child run time : 0.000 secs gbc time : 0.000 secs 1346269 1346269 >(time (let ((x (si::fork))) (if (= (car x) 0) (progn (print (fib 31) (cadr >x))(bye)) (values (fib 31) (read (cadr x)))))) real time : 8.170 secs run-gbc time : 2.980 secs child run time : 0.000 secs gbc time : 0.000 secs 1346269 1346269 > ============================================================================= Take care, > Bob > > > > > > -- Camm Maguire [EMAIL PROTECTED] ========================================================================== "The earth is but one country, and mankind its citizens." -- Baha'u'llah _______________________________________________ Gcl-devel mailing list Gcl-devel@gnu.org http://lists.gnu.org/mailman/listinfo/gcl-devel
