[xep-support] Severe slow down with embedded images

Alexander Peshkov peshkov at renderx.com
Tue Dec 2 06:12:40 PST 2003


Hello Benoit,

Thanks for your feedback. I would like to have more information about
your system configuration. Temporary directory is of particular
interest. Does it resides on a kind of network disk?

Best regards,
Alexander Peshkov                             mailto:peshkov at renderx.com
RenderX


MB> Hi,

MB> XEP 3.6.3 (and several versions before that) gets extremely slow converting from XEP's area tree (AT) to PDF if we activate the image embedding feature.

MB> Using 2 versions of the same FO file containing about 16 images, with the only difference being the processing instruction <?xep-out-embed-images true?>, I get the following timings (AT to PDF):
MB> - without this PI: 12 seconds
MB> - with this PI: 3 minutes 43 seconds

MB> FO to AT timings are only slightly slower: about 6.5 seconds with the PI against about 6.1 seconds without it.

MB> This is repeatable and does not seem to be tied with the image format: it happens when embedding PNG, SVG and PDF.

MB> Is there any chance that this performance hit is reduced/removed in a future XEP version?

MB> Thanks,
MB> Benoit


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