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[Octave-bug-tracker] [bug #37509] `load -z` is very slow

From: Mike Miller
Subject: [Octave-bug-tracker] [bug #37509] `load -z` is very slow
Date: Fri, 05 Oct 2012 21:10:39 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.79 Safari/537.4

Follow-up Comment #5, bug #37509 (project octave):

Interesting, I see the same thing on my Debian development setup, but on RHEL5
I see a completely different error when it tries to load a gz-compressed ASCII
file as in your testcase

octave-3.6.3:1> load random.dat.gz 
error: load: failed to load matrix constant
error: load: trouble reading ascii file `random.dat.gz'
error: load: reading file random.dat.gz

This error does not occur in 3.6.1 but does occur in 3.6.3.

If I change your script to save with -ascii or -binary (keeping -z), this
error goes away, and the slowdown also goes away.


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