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Re: MPS: Forwording symbols


From: Helmut Eller
Subject: Re: MPS: Forwording symbols
Date: Mon, 17 Jun 2024 20:10:05 +0200
User-agent: Gnus/5.13 (Gnus v5.13)

On Mon, Jun 17 2024, Gerd Möllmann wrote:

> The whole dumping of these structs looks highly dubious to me,
> independent of MPS. They are constants, always have been, AFAICT, even
> from what I remember from the 90s.

The patch below creates the necessary relocs so that no forwarding
structs end up in the dump.

> Looking forward to the time when the mirror code is gone :-).

I'm not so optimistic.  The first collection is very slow:

   time ./emacs -batch -f igc--collect
   
   real    0m12.555s
   user    0m11.708s
   sys     0m0.097s

That's not good.  Maybe there is some unfixed problem that is causing
this slowness, but it could also be that MPS simply is so slow for this
allocation pattern.

Attachment: 0001-Don-t-dump-lispfwd-objects.patch
Description: Text Data


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