Re: [matplotlib-devel] pdf memory leak: rendering text

[John H. <jd...@gm...>]

On Sat, Jul 26, 2008 at 7:20 PM, Eric Firing <ef...@ha...> wrote:

> The attached script gives a quick and simple illustration of the pdf backend
> memory leak noted earlier by Paul Kienzle.  It seems to be entirely related
> to rendering text.  Adding axes, lines, and images does not seem to matter,
> except insofar as adding an axes will trigger the rendering of text for the
> tick labels.  The leak per loop is roughly proportional to the number of
> *different* characters being rendered--about 100 bytes per character.
>
> I don't think I could find the leak in any reasonable time; I hope someone
> else who is more familiar with the pdf backend and more clever at such
> things will be able to track it down ASAP.

In the past, if I recall correctly, these leaks have been in ttconv,
which is Michael's area of expertise, so let's see if he has any
flashes of insight Monday...  If this is the case it would likely
affect ps and pdf but not the other backends.

JDH