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Re: Sluggish performance in Save, bug?

Possibly.  If you can send me the notebook and details for reproducing the 
problem (i.e. give me the "small change" you make), I can determine whether or 
not it's a bug and, if it is, file it in our bugs database.  Warning, response might not be so quick with the holiday weekend coming up.

John Fultz
jfultz at
User Interface Group
Wolfram Research, Inc.

On Fri, 23 May 2008 03:09:28 -0400 (EDT), Art wrote:
> Hi All,
> I am trying to debug a problem with very sluggish Saving of a
> notebook, as well as cutting and pasting of cells in a notebook, with
> around 10 GraphicsGrid's of 10x8 MatrixPlot's that are around 10x10
> each. When I save the notebook, it takes quite a while, enough to make
> the notebook unusable. If I make a small change and save it again, it
> takes just as long (10+ minutes). But the CPU is idle during this
> time. It seems like Mathematica is either doing nothing or waiting on
> something.
> Was wondering if this is a bug and if there is a workaround. The
> notebook itself is about 1mb, so it's relatively small. The
> MatrixPlot's seem to be stored as
> GraphicsBox[RasterBox[CompressedData["<string>"]]]. I know very little
> about the internal format of Notebook's
> I'm using 6.0.2 on Linux 64-bit.
> Thanks,
> Art.

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