Re: Merging scratch/no-purespace to remove unexec and purespace

[Stefan Monnier <monnier@iro.umontreal.ca>]

>> We, the maintainers, believe that the scratch/no-purespace branch is
>> now ready to merge, and would appreciate any final feedback, testing,
>> and code reviews.  Specifically, the branch has been primarily tested
>> on GNU/Linux and macOS, so testing on other systems would be greatly
>> appreciated.
>
> Do you have an estimate what removing purespace will cost in terms of GC
> time?  I mean something like "1ms per collection".  Or perhaps a
> suggestion how I could measure it?

In the pdump case it should have no effect at all, or maybe even
a slight *speedup*.

That's because the pdump already fails to take advantage of the
purespace (i.e. the GC traces through the purespace like the rest of
the heap).


        Stefan