Re: gitk graph routing problem

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Paul Mackerras, Tue, Dec 11, 2007 23:26:10 +0100:
> Alex Riesen writes:
> 
> > To reproduce, try running in git repo:
> > 
> >     gitk 02f630448e5d48e..06ea6ba9cf46ef5
> > 
> > Than go some pages (around 5) forward. You should notice system load
> > going up rapidly. Now try paging back - and graph starts stretching
> > to the right, to the point nothing fits on the screen anymore.
> 
> I finally got back to look at this.  The problem is not so much the
> layout algorithm per se as the fact that I haven't worked out a good
> way to pack lots of downward-pointing arrows in without using up
> arbitrarily large amounts of horizontal space.  You have managed to
> find an example where just about every commit is a merge needing one
> or more downward-pointing arrows.
> 
> Incidentally, gitk from the dev branch of my gitk.git repo does much
> better on this example, since it is able to hoist the open-circle
> (excluded) commits up to the row below their merge children, which
> looks much nicer.

could you point to a specific commit where it does that?

Because the current head of dev branch at //git.kernel.org/pub/scm/gitk/gitk
(3de07118f0993e6f7bc7ce02276751795d80b877) does not look any
different and still almost locks up drawing all the horizontal lines.

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