Re: Guile + Boehm GC: First Remarks

[Han-Wen Nienhuys]

Ludovic Courtès schreef:
> > > But please, relax about performance, we still haven't run any meaningful
> > > benchmark.  ;-)
> > btw, is there any news on this patch?  I'm quite keen on dumping
> > LilyPond's Rational class in favor of Scheme rationals, but adding gc
> > mark functions for that is just too much work; BGC would be a nice
> > soluiton to this.
>
> Well, no real news.  My "not-so-meaningful benchmarks" (running a
> loop[*]) reproductively show that "GBGC" is noticeably slower than "real
> Guile" (1.5 to 2 times slower).

tuning down GC_free_space_divisor to 2 sped things up a little bit, 
around 10 %. I'm now at 77sec (vs GUILE 1.8: 52 sec)

I'm on dual-core nowadays, so real time it's actually still a bit 
faster, as BGC is multithreaded.


--
 Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen