Quote:
Originally Posted by kovidgoyal
3) The biggest bottleneck in conversion is parsing of CSS. calibre uses a CSS library that uses regular expression to parse CSS (the regular expression are again in compiled code). This library's performance can be improved, but I am not going to sit down and re-write it.
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As I said, I have no "complaints" at all - the speed is generally perfectly acceptable, and I've never known anyone fix reported bugs as rapidly as you do, so kudos for that!
Conversion speed from Mobi to ePub seems to be remarkably inconsistent. All my books are created via the same route: BD -> HTML -> Mobi Creator -> Calibre, and yet sometimes I have two books which are pretty much the same size, and not obviously of different "complexities", and yet one will convert in 15
seconds and the other will take 15
minutes. Not a problem - just an observation
.