Date: Tue, 27 Sep 2011 11:12:38 +0800 From: Li-Wen Hsu <lwhsu@FreeBSD.org> To: Doug Barton <dougb@FreeBSD.org> Cc: cvs-ports@FreeBSD.org, cvs-all@FreeBSD.org, ports-committers@FreeBSD.org Subject: Re: cvs commit: ports UPDATING ports/lang/python24 Makefile ports/lang/python25 Makefile ports/lang/python26 Makefile ports/lang/python27 Makefile ports/lang/python31 Makefile ports/lang/python32 Makefile Message-ID: <20110927031238.GA27471@FreeBSD.cs.nctu.edu.tw> In-Reply-To: <4E7F84F0.7030107@FreeBSD.org> References: <201109251505.p8PF5ILo082611@repoman.freebsd.org> <4E7F84F0.7030107@FreeBSD.org>
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--5mCyUwZo2JvN/JJP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable It's the default stack size of the system it runs on. If you don't set THREAD_STACK_SIZE while building python, it will be defined to 0. When running, python will skip calling pthread_attr_setstacksize(), and pthread_create() will use the system's default value: 2MB on amd64 and 1MB on i386. But in python27+, if there is no THREAD_STACK_SIZE defined by user when building, it will be hard-coded to 0x400000 (4MB) on FreeBSD. It is because our default stack size for new threads is too small. [1] Anyway, now all the values are larger or equal than the original size we defined in ports: 128K or 1MB (with HUGE_STACK_SIZE). I think it is right way for nowadays. There are some users reported about small stack size causes problems for complex applications like Django. [2] [1] http://bugs.python.org/issue9670 [2] http://www.freebsd.org/cgi/query-pr.cgi?pr=3Dports/158679 Li-Wen On Sun, Sep 25, 2011 at 12:45:52 -0700, Doug Barton wrote: > Since I don't know that much about python it is not clear to me if this > is using the default stack size of the system it's built on, or the > system it's running on. Can you clarify? >=20 >=20 > Doug >=20 >=20 > On 09/25/2011 08:05, Li-Wen Hsu wrote: > > lwhsu 2011-09-25 15:05:18 UTC > >=20 > > FreeBSD ports repository > >=20 > > Modified files: > > . UPDATING=20 > > lang/python24 Makefile=20 > > lang/python25 Makefile=20 > > lang/python26 Makefile=20 > > lang/python27 Makefile=20 > > lang/python31 Makefile=20 > > lang/python32 Makefile=20 > > Log: > > - Remove the HUGE_STACK_SIZE option, now Python will use default > > thread stack size of the system. > > =20 > > Revision Changes Path > > 1.1146 +9 -1 ports/UPDATING > > 1.174 +1 -7 ports/lang/python24/Makefile > > 1.165 +1 -6 ports/lang/python25/Makefile > > 1.176 +1 -6 ports/lang/python26/Makefile > > 1.179 +1 -7 ports/lang/python27/Makefile > > 1.174 +1 -6 ports/lang/python31/Makefile > > 1.179 +1 -6 ports/lang/python32/Makefile > >=20 > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/UPDATING.diff?&r1=3D1.1145&= r2=3D1.1146&f=3Dh > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/lang/python24/Makefile.diff= ?&r1=3D1.173&r2=3D1.174&f=3Dh > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/lang/python25/Makefile.diff= ?&r1=3D1.164&r2=3D1.165&f=3Dh > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/lang/python26/Makefile.diff= ?&r1=3D1.175&r2=3D1.176&f=3Dh > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/lang/python27/Makefile.diff= ?&r1=3D1.178&r2=3D1.179&f=3Dh > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/lang/python31/Makefile.diff= ?&r1=3D1.173&r2=3D1.174&f=3Dh > > http://www.FreeBSD.org/cgi/cvsweb.cgi/ports/lang/python32/Makefile.diff= ?&r1=3D1.178&r2=3D1.179&f=3Dh > >=20 >=20 >=20 >=20 > --=20 >=20 > Nothin' ever doesn't change, but nothin' changes much. > -- OK Go >=20 > Breadth of IT experience, and depth of knowledge in the DNS. > Yours for the right price. :) http://SupersetSolutions.com/ --=20 Li-Wen Hsu <lwhsu AT FreeBSD.org> http://lwhsu.org --5mCyUwZo2JvN/JJP Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (FreeBSD) iEYEARECAAYFAk6BPyUACgkQQWsOOSiXsii9pQCfUKlgjjAqIo/z2VxC/EsvoVt6 lSAAn2AxN9DomnZwinOao/zDQqsOkyDO =s0GH -----END PGP SIGNATURE----- --5mCyUwZo2JvN/JJP--
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