Am Tue, 30 Aug 2022 12:02:24 +0200 schrieb Pavel Sanda <sa...@lyx.org>:
> On Mon, Aug 29, 2022 at 03:52:19PM -0400, Scott Kostyshak wrote: > > I think the speedup will be even faster if we could make Paragraph::latex() > > thread-safe. > > Before tuning threads - are you sure that the sequential run can be broken in > this way, > i.e. whether subsequent paragraphs are not dependent on some information > produced > before (like some counters, etc)? > > > > > If I protect it with a mutex, then things work much better. But that's > > exactly the > > code that I need to run in parallel for my knitr child documents to export > > in > > parallel. Could someone explain intuitively why this code is not > > thread-safe? Is > > there any hope of making it thread-safe without major surgery? > > The bottlenecks I typically experience are of two kinds: > 1) pictures conversion (having parallel code would be great even for document > load when > ton of pics gets converted!) 2) final pdflatex compilation > > The latex generation part is just neligible. The latex part may help in find algorithm though, where is is often called. > Point 1 seems to be a good candidate for paralelization. External calls (like > knitr) > might be as well in case, again, its evaluation can't be dependent on the > previous > insets. But in this case I am almost sure some previous knitr inset might > produce > something needed for the subsequent ones ... > > Pavel Kornel
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