On 03/23/2012 08:05 AM, Albert Kottke wrote:
> I am having problems clearing figures from memory. After saving the
> figure, I use pyplot.close() on the figure handle and then del all of
> the data and figure, as shown here:
>
> fig.savefig('plots/%(record_id)05i' % recording)
> plt.close(fig)
>
> del accel, fourier_amp, fig, time, disp
> gc.collect()
>
> Despite this, the figures don't appear to be closing. I am trying to
> make 30k plots and I have to kill script every couple thousand and
> restart because I run out of memory.
>
> Any suggestions?
You are running a standalone script, correct? Make sure you are using
only the agg backend. Before the first import of pyplot, do
import matplotlib
matplotlib.use("agg")
I don't know if that will help, but it can't hurt.
You might find matplotlib.cbook.report_memory() to be useful in tracking
down the problem.
Eric
>
>
> Albert
>
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