Message-ID: <Pine.GSO.4.05.10101041025130.22275-100000@toucan.stats>
Date: 2001-01-04T10:28:26Z
From: Brian Ripley
Subject: memory trouble
In-Reply-To: <200101040955.KAA03084@lynne.ethz.ch>
On Thu, 4 Jan 2001, Martin Maechler wrote:
> In spite of Brian's good points,
> I believe we should help the users more.
>
> R-1.1.1 --vanilla had
>
> rnorm(1e7)
>
> >> Error: heap memory (6144 Kb) exhausted [needed 78125 Kb more]
> >> See "help(Memory)" on how to increase the heap size.
>
> which is much more helpful
> than the
>
> >> Error: cannot allocate vector of size 39062 Kb
>
> that R-1.2.0 reports (much much more rarely though,
> I couldn't reproduce it in a few tries !)
The error is different: it is coming from inside malloc. Under those
circumstances you really can't do much, in particular nothing that needs
memory allocation.
This is not a question of the heap being exhausted: it is a question of
the process having fit its limits.
--
Brian D. Ripley, ripley@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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