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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: dwz@sourceware.org
Subject: [Bug default/25024] dwz: Multifile temporary files too large
Date: Tue, 01 Jan 2019 00:00:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D25024

--- Comment #13 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #12)
> (In reply to Tom de Vries from comment #11)
> > I'm currently trying out the patch:
> > that implements the 'continue multifile optimization' strategy.
>=20
> Result:
> ...
> $ ./reproduce.sh
> maxmem: 27212104
> real: 5215.06
> user: 4418.86
> system: 400.27
> ...
> So, this took 87 minutes real (74 minutes user, 7 minutes sys) and 26 GB =
(on
> a server with 256GB).
>=20
> The resulting multifile is 823MB:
> ...
> $ du -h merged
> 823M    merged
> ...

Compared to without the patch:
...
maxmem: 17332160
real: 2539.16
user: 2063.37
system: 201.93
...
So, 42 minutes real (34 minutes user, 3 minutes user) and 16.5 GB.

--=20
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