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[Octave-bug-tracker] [bug #43495] Crash when reading large TIFF with imr


From: Carnë Draug
Subject: [Octave-bug-tracker] [bug #43495] Crash when reading large TIFF with imread()
Date: Thu, 30 Oct 2014 11:58:38 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Firefox/31.0 Iceweasel/31.1.0

Follow-up Comment #6, bug #43495 (project octave):

If it's taking 19 minutes on your system, there's something wrong with your
installation:


$ octave
octave-cli-3.8.2:1> tic; a1 = imread ("./Erik_1_2400dpi.tiff"); toc
warning: your version of GraphicsMagick limits images to 16 bits per pixel
Elapsed time is 1.08101 seconds.
octave-cli-3.8.2:2> tic; a2 = imread ("./Erik_1_4800dpi.tiff"); toc
Elapsed time is 4.68481 seconds.
octave-cli-3.8.2:3> tic; a3 = imread ("./Erik_1_6000dpi.tiff"); toc
Elapsed time is 7.49605 seconds.
octave-cli-3.8.2:4> whos
Variables in the current scope:

   Attr Name        Size                     Bytes  Class
   ==== ====        ====                     =====  ===== 
        a1       6062x8051                48805162  logical
        a2      12123x16102              195204546  logical
        a3      15153x20127              304984431  logical

Total is 548994139 elements using 548994139 bytes

octave-cli-3.8.2:5> octave_config_info ("USE_64_BIT_IDX_T")
ans = no


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