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Re: Sluggish performance in Save, bug?

• To: mathgroup at smc.vnet.net
• Subject: [mg89048] Re: Sluggish performance in Save, bug?
• From: David Bailey <dave at Remove_Thisdbailey.co.uk>
• Date: Sat, 24 May 2008 03:56:25 -0400 (EDT)
• References: <g15qri$pfm$1@smc.vnet.net>

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.
> 
Why not put the file on a website somewhere and post a link to it.

David Bailey
http://www.dbaileyconsultancy.co.uk