From: ludo@gnu.org (Ludovic Courtès)
To: guile-devel@gnu.org
Subject: GLIL->C compilation
Date: Sat, 20 Nov 2010 00:11:16 +0100 [thread overview]
Message-ID: <87zkt4vrhn.fsf_-_@gnu.org> (raw)
In-Reply-To: 201011052219.54556.stefan.itampe@gmail.com
Hi,
Stefan Israelsson Tampe <stefan.itampe@gmail.com> writes:
> #include "cfkn.h"
> #define LOCAL_REF(i) fp[i]
> #define LOCAL_SET(i,v) fp[i] = (v)
> void cfkn3676(SCM *fp, SCM **spp)
> {
> /* setup of environment */
> SCM *objects, *free, program, *sp, sss[100];
> sp = sss;
> program = fp[-1];
> objects = SCM_I_VECTOR_WELTS (SCM_PROGRAM_OBJTABLE (program));
> free = SCM_PROGRAM_FREE_VARIABLES(program);
> /* compiled section */
> LCASE3666:
>
>
> goto L3668;
> LCASE3665:
> sp++; *sp = LOCAL_REF(1);
> sp++; *sp = SCM_I_MAKINUM(0);
> sp-=2; if(!scm_is_eq(sp[1],sp[2])) goto L3669;
> sp++; *sp = LOCAL_REF(2);
[...]
Comparing this to the VM’s bytecode interpreter should show the overhead
incurred by instruction dispatch.
Did you try to measure this? That’d be interesting.
Thanks,
Ludo’.
next prev parent reply other threads:[~2010-11-19 23:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 20:23 The progress of hacking guile and prolog Stefan Israelsson Tampe
2010-11-03 23:43 ` Ludovic Courtès
2010-11-04 2:40 ` Noah Lavine
2010-11-10 17:55 ` Stefan Israelsson Tampe
2010-11-11 19:10 ` Noah Lavine
2010-11-11 16:26 ` Ludovic Courtès
2010-11-11 19:13 ` Noah Lavine
2010-11-11 19:15 ` Noah Lavine
2010-11-15 23:10 ` Typechecking I Stefan Israelsson Tampe
2010-11-20 11:46 ` Andy Wingo
2010-11-20 11:25 ` The progress of hacking guile and prolog Andy Wingo
2010-11-24 1:54 ` Noah Lavine
2010-11-24 16:45 ` Stefan Israelsson Tampe
2010-11-24 18:00 ` piper schemigan Stefan Israelsson Tampe
2010-11-24 20:18 ` Andreas Rottmann
2010-11-25 21:17 ` Ludovic Courtès
2010-11-26 22:18 ` Stefan Israelsson Tampe
2010-11-28 22:30 ` Guile-SCSH Ludovic Courtès
2010-11-28 23:02 ` Guile-SCSH Stefan Israelsson Tampe
2010-11-28 23:24 ` Guile-SCSH Jose A. Ortega Ruiz
2010-11-29 18:56 ` Guile-SCSH Stefan Israelsson Tampe
2010-11-29 21:26 ` http://gitorious.org/guile-scsh/guile-scsh Stefan Israelsson Tampe
2010-11-30 23:21 ` Guile-Facade Ludovic Courtès
2010-11-25 21:26 ` The progress of hacking guile and prolog Ludovic Courtès
2010-11-26 16:41 ` Noah Lavine
2010-11-26 10:45 ` Andy Wingo
2010-11-20 11:26 ` Andy Wingo
2010-11-04 17:57 ` Stefan Israelsson Tampe
2010-11-05 21:19 ` Stefan Israelsson Tampe
2010-11-19 23:11 ` Ludovic Courtès [this message]
2010-11-19 23:20 ` GLIL->C compilation Stefan Israelsson Tampe
2010-11-19 23:56 ` Ludovic Courtès
2010-11-20 12:18 ` Andy Wingo
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