Date: Tue, 30 Oct 2012 15:58:10 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: Threaded 6.4 code compiled under 9.0 uses a lot more memory?.. Message-ID: <k6opu0$u8t$1@ger.gmane.org> In-Reply-To: <1351608465.1120.30.camel@revolution.hippie.lan> References: <A92CE63E6E6DB93B366F4A42@MightyAtom.tdx.co.uk> <20121030134614.1a42f0e3@fabiankeil.de> <1351608465.1120.30.camel@revolution.hippie.lan>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig0C557084087D2E1B53E710D3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 30/10/2012 15:47, Ian Lepore wrote: > On Tue, 2012-10-30 at 13:46 +0100, Fabian Keil wrote: >> Karl Pielorz <kpielorz_lst@tdx.co.uk> wrote: >> >>> Can anyone think of any quick pointers as to why some code originally= =20 >>> written under 6.4 amd64 - when re-compiled under 9.0-stable amd64 tak= es >>> up a *lot* more memory when running? >> >> 6.4 comes with phkmalloc while 9.0 uses jemalloc. Maybe you are >> allocating memory in a way that is less space-efficiently handled by >> jemalloc's default configuration. >> >> Fabian >=20 > jemalloc is certainly the first thing that came to my mind. Does > MALLOC_PRODUCTION need to be defined on a 9.0 system, or is that > something that gets turned on automatically in an official release > build? (I'm always working with non-release stuff so I'm not sure how > that gets handled). It is turned on by default on -stable, by a commit from release engineers= =2E --------------enig0C557084087D2E1B53E710D3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAlCP6wIACgkQ/QjVBj3/HSyT0QCfRZ+5AcJeSrKXtHv+VvmfsRst H0YAn0VCNK7CCNHVPVe9TIl4AP9wtzkV =TXsp -----END PGP SIGNATURE----- --------------enig0C557084087D2E1B53E710D3--
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