Re: Opportunistic GC

[Andrea Corallo]

Pip Cet <pipcet@gmail.com> writes:

> On Mon, Mar 8, 2021 at 3:37 AM Stefan Monnier <monnier@iro.umontreal.ca> 
> wrote:
>> I've been running with the code below recently to try and see if
>> opportunistic GC can be worth the trouble.
>
> Just a random idea: What if we exploit the fact most people have more
> than one CPU core these days, garbage-collect in a separate fork()ed
> process, then do only the sweeping in the main process?

It's an interesting concept, I thought about something similar in the
past but, I've two questions:

Are we really sure that a non trivial process can long survive
or work as expected after being forked?

Do we have (an efficient) fork on all supported systems?

Thanks

  Andrea