[magick-users] Transfer size considered harmful

[Seth Price]

The images that I've been working with are 21600x21600px. The full  
command used is:
montage -limit memory 2000 -limit map 2000 -limit area 466829236 - 
mode Concatenate -resize 50% -tile 2x2 maizearea_w.png  
maizearea_e.png 2km.png




On Feb 27, 2007, at 12:37 PM, omicronpersei8 at imagemagick.org wrote:

>> if it is possible to change the  transfer size 128 KB when  
>> compiling IM.
>
> The disk transfer size is typically defined by the width of the image
> since most algorithms read or write a single scanline of the image at
> a time.  Possible paths to improve speed is to force the pixel  
> cache to
> memory (add -limit area 4096 -limit memory 4096 to your command line)
> or use locally attached Raid 0 15K SAS disks.  If all else fails use a
> different image processing program such as vip or sip.
>
>
>