Re: Garbage Collector Cost

["Juris Kalnins" <juris@...>]

On Wed, 27 Oct 2010 11:58:16 +0300, Rob Kendrick <rjek@rjek.com> wrote:

> On Wed, Oct 27, 2010 at 08:39:58AM +0300, Juris Kalnins wrote:
>
> > If the script is short lived, and turning GC completely off is
> > an acceptable option, it's the most predictable way. It is possible  
> > then to
> > run full GC manually at known times.
>
> How is it possible to know how long the GC will take, even if you run it
> at known times?

If you know how much allocated data there is, and you know that collection
will not be delayed (e.g. because of __gc finalizers), then you have a
known upper bound on mark&sweep time.