On Wed, Mar 4, 2009 at 9:56 PM, Rick R <[email protected]> wrote: > I have read about a generational garbage collector that operated approx. 20% > faster than hand coded memory over the lifetime of a non-trivial, real world > application. The downside is that it required 3x the available heap space of > the hand coded one. At 2x the available memory, it operated at approx. 90% > of the hand standard.
This has been historically typical, but it is a misleading analysis. The reason for the 2x overhead is that the underlying OS does not provide support. The non-current generation does not need to be backed by real memory most of the time, so that real memory overhead can, in principle, be shared across a large number of programs. Current implementations don't tend to do that. > e7 Lisp was built explicitly for live sound processing applications and > mixers. It features an incremental red/gray/black GC suitable for "hard > realtime". To my knowledge it achieves that goal (it's written in C++, but > may be worth borrowing) Hmm. Tried to go look at it. Either the site is temporarily down or it's dead. Do you know which? shap _______________________________________________ bitc-dev mailing list [email protected] http://www.coyotos.org/mailman/listinfo/bitc-dev
