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RE: Very slow reading of a 2D matirx

From: John W. Eaton
Subject: RE: Very slow reading of a 2D matirx
Date: Thu, 20 Oct 2005 01:29:30 -0400

On 19-Oct-2005, Mike Miller wrote:

| On Thu, 20 Oct 2005, Alireza wrote:
| > It seems that octave spends too much time on parsing each individual 
| > element. Perhaps someone that knows about the internals of the parsing 
| > of matrices can shed some light on this.
| I thought adding commas might help, but it didn't seem to help.

The slow part is not the parsing, it is the code in
tree_matrix::rvalue() in src/ that concatenates the values.


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