UI demo performance, GC

[Sam Phillips]

On Tue, Jul 18, 2006, at 09:57 GMT, Brian T. Rice wrote:
> A user in the IRC channel was nice enough to bother making a full profile
> of the VM under load while running the SDL UI demo. A lot of the time is
> focussed on GC:
> http://paste.lisp.org/display/22751

Thanks for posting that Brian.  I have just gotten the chance to get on
the list here.

For anyone's additional reference here is the full output of gprof that
the paste was taken from:
    
    http://www.dasbistro.com/~sam/slate-profile.txt

As with all statistics your interpretation may vary.

> So, there's a distinct likelihood that a simple generational GC somewhat
> like Squeak's would benefit us enough to have a workable UI. I sketched
> one out originally in the first VM design, but it was never fully tested
> and we let it rot and fade from the repository after a while. I could
> bring it up, or someone could take it on as a short project.

I'm still wrapping my brain around the bootstrap/Pidgin process, and my
GC knowlege is a bit rusty, but I'll probably poke at it a little bit.

-- 
Sam Phillips <sam at dasbistro.com>          http://www.dasbistro.com/~sam/
San Francisco                                                 California