Re: packing engine now independent of numcols

I believe this got fixed somewhere along the way.  It hasn't crashed
my machine yet ;)

  - a

Tupshin Harper <[email protected]> writes:
> Adam Megacz wrote:
>
>>This is a first.  The packing/constraining engine is now totally
>>independent of the number of columns and depends only on the number of
>>boxes.  The pre-simplex renderer could never do this.
>>
>>The following template renders just as fast as if you divide all the
>>col/colspan's by 1,000:
>>
>>  <ui:box fill="blue" id="blue"                       cols="5000">
>>      <ui:box width="10" id="a" fill="gray"           colspan="1000"/>
>>      <ui:box height="10" fill="white" maxwidth="100" colspan="1000"/>
>>      <ui:box height="10" fill="black" minwidth="100" colspan="2000"/>
>>      <ui:box width="10" id="b" fill="gray"           colspan="1000"/>
>>  </ui:box>
>>
>>  -
>>
>>
>>
> With those last couple of checkins, my games sampler (which mostly
> consists of a reversi board, at the moment), changed from suffering
> from bug 518, to having the following symptoms:
> 1) unless java is called with -Xmx512M (or thereabout, certainly 256M
> is not enough) it gives a Java.Lang.OutofmemoryError at startup
> 2) if called with -Xmx512M, it launches but I get the error below.
>
> Unfortunately, I don't have the time to make a simple test case for
> the next couple days, but I thought  might as well let you know
> anyways. My widgets archive which includes the games sampler is at:
> http://darcs.smallmerchant.com/ibex_widgets
>
> The "test cas" is runnable by launching src/games.t in that archive.
>
> -Tupshin
>         org.ibex.Box: simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
>                       simplex solver claims infeasibility; this should
> never happen
> java.lang.Error: not enough rows; this should never happen
>         at
> org.ibex.util.LinearProgramming$Simplex.add_constraint(LinearProgramming.java:373)
>         at org.ibex.Box.place_children(Box.java:382)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Box.place_children(Box.java:461)
>         at org.ibex.Surface.render(Surface.java:251)
>         at org.ibex.Surface$DoubleBufferedSurface.render(Surface.java:351)
>         at org.ibex.plat.AWT$AWTSurface.render(AWT.java:338)
>         at org.ibex.Scheduler.renderAll(Scheduler.java:35)
>         at org.ibex.Scheduler.defaultRun(Scheduler.java:79)
>         at org.ibex.Scheduler.run(Scheduler.java:54)
>         at org.ibex.Scheduler.init(Scheduler.java:17)
>         at org.ibex.Main.main(Main.java:101)
>
>
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