From: Bart Schaefer <schaefer@brasslantern.com>
To: zsh-workers@zsh.org
Subject: Re: segmentation fault with {1..1234567}
Date: Sun, 06 Jul 2014 12:46:29 -0700 [thread overview]
Message-ID: <140706124629.ZM19578@torch.brasslantern.com> (raw)
In-Reply-To: <20140706193055.209f7a2b@pws-pc.ntlworld.com>
On Jul 6, 7:30pm, Peter Stephenson wrote:
} Subject: Re: segmentation fault with {1..1234567}
}
} On Sun, 06 Jul 2014 09:16:09 -0700
} Bart Schaefer <schaefer@brasslantern.com> wrote:
} > IIRC the use of VARARR() was introduced in order to more evenly split the
} > memory use between the heap and the stack on systems that had limited RAM.
} > Obviously more recent hardware is likely to have divided process address
} > space differently, and this former optimization has become a liability.
}
} Well, all I can say is that without the following change it crashes on
} my system (where I have not tweaked any limits) and with the following
} change it doesn't.
}
} Maybe I'm just selfish but I prefer the latter.
I do not disagree.
The question is, do we fix this one instance (your patch), do we redefine
VARARR() [possibly conditionally] to change all the usages at once, or do
we individually evaluate the 50-odd uses of VARARR()?
What constitutes "a lot" to avoid using alloca() upon?
next prev parent reply other threads:[~2014-07-06 19:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-04 17:25 Vincent Lefevre
2014-07-05 1:40 ` Bart Schaefer
2014-07-05 11:12 ` Vincent Lefevre
2014-07-05 16:57 ` Bart Schaefer
2014-07-05 23:39 ` Vincent Lefevre
2014-07-06 0:09 ` Vincent Lefevre
2014-07-06 19:46 ` Bart Schaefer
2014-07-07 1:12 ` Vincent Lefevre
2014-07-06 16:16 ` Bart Schaefer
2014-07-06 18:30 ` Peter Stephenson
2014-07-06 19:46 ` Bart Schaefer [this message]
2014-07-06 22:23 ` Mikael Magnusson
2014-07-07 19:33 ` Peter Stephenson
2014-07-08 1:08 ` Bart Schaefer
2014-07-08 10:38 ` Peter Stephenson
2014-07-24 9:44 ` Peter Stephenson
2014-07-24 15:35 ` Bart Schaefer
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