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ImageMagick - possible problem

#1 apprentice

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Posted 02 November 2011 - 03:41 AM

Resizing a relatively small picture (1024x768, 600kb) using ImageMagick command line utility takes 8-9 seconds. I tried this on 2 different MDD shared hosting servers - the time it took to complete was similar.
I am using a test php page with only one line >>> exec( "convert t.jpg -resize 200x200 ts.jpg")
Any idea why it is so slow? From what I am seeing online, the task should take no more than 0.5 seconds (from replays on http://www.imagemagi...php?f=1&t=12106)
Thanks.

#2 Scott S

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Posted 02 November 2011 - 06:11 PM

If you haven't already, please open a support ticket regarding this so we can try to reproduce the delay and debug what is causing it.

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#3 apprentice

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Joined: 02-November 11

Posted 02 November 2011 - 11:19 PM

Thanks Scott - I just opened a support ticket for this.

I also did some more testing - resizing of the images to 200px wide (retaining proportions) took:

image 1 (.jpg, 400x266, 42KB) completed in 7.5 sec
image 2 (.jpg, 1024x768, 606KB) completed in 8.25 sec
image 3 (.jpg, 3032x2007, 1.9MB) completed in 8.5 sec
image 4 (.jpg, 4872x3248, 9.4MB) completed in 10.3 sec

Seems that there is a 7+ seconds delay in execution... Image 1 should have converted instantaneously.
If anyone knows why this is happening please let me know.