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http://www.openoffice.org/issues/show_bug.cgi?id=106692
User aw changed the following:
What |Old value |New value
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Status|NEW |STARTED
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------- Additional comments from [email protected] Tue Apr 6 15:09:47 +0000
2010 -------
AW->ftoth: Thanks for the example, i can see the problem now. What a bad import
quality, BTW. Dragging the group tace roughly 3sec on my 2.6Ghz system, dropping
is about 6sec. With AA off, it's roghly about the same, thus it's not the AA but
the shear amount of objects.
BTW: 4 cores is of no use currently; we are on changing as much and fast as we
can, but currently OOo still uses a single core in most cases; a known problem
coming from the old codebase.
The original PDF having no problems will mostly come from PDF not needing to
edit it and thus not needing to clone objects for the interaction visualisation.
The expensive part seems clearly not to be AA here but the core handling and the
interaction preparations and change applyings at interaction end.
Your measurement of 20sec/5sec with/without AA shows that there is also still
potential with AA visualisation on Your system; we are preparing faster
trapezoid decomposition for polygons already (XRender can only paint triangles,
triangle strips and trapezoids AAed). I will keep this task to see if/how far
this will help. We are also working on the (rather old) internal model, but i
cannot promise too much.
Changing back owner.
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