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ScaleImage benchmarks and long psd times
Posted: 2011-08-12T10:48:32-07:00
by llamadave
My customers upload large image files for me to print. I use IM/PHP/imagick for making thumbnails and 800 size for slide shows. I would like to allow Photoshop files (psd) but conversion times are much too long. See my
benchmark results (this page has technical details).
Is there anything I can do to speed up psd read times?
I tried changing the bit depth from 16 to 8 but none of the times went down significantly. Is that expected?
David
Re: ScaleImage benchmarks and long psd times
Posted: 2011-08-12T10:56:18-07:00
by fmw42
Do you have enough memory to hold and process your large files?
One way to save memory is the compile IM in Q8 mode.
Otherwise, see
http://www.imagemagick.org/Usage/files/#massive
You don't say what version of IM. Perhaps an upgrade would be in order?
Re: ScaleImage benchmarks and long psd times
Posted: 2011-08-12T11:02:50-07:00
by Bonzo
From memory the final image is all contained in layer [0] Have you tried working on that layer alone e.g.
Code: Select all
convert image.psd[0] -resize 100x100 output.jpg
Re: ScaleImage benchmarks and long psd times
Posted: 2011-08-12T11:09:50-07:00
by llamadave
I just installed the latest IM 6.7.1-3 today with Q8 as it says on the page I posted
here along with other details. And yes, I have tried [0] after the file name. The server has 1000 MB memory and convert was using 30% which is plenty for the 2304x3072 pixel psd file.