Published on March 27, 2011
Did you know Gimp can very effectively use multiple processing cores? If you Batch Process images or apply multiple filters at the same time, this can considerably decrease your processing time. With multiple cores being common even in laptops, it is an essential setting for speed gain. Go to ‘Edit>Preferences>Processors to Use’ and set it to number suited to your needs and Hardware.
A lot of filters will just work on the selected area of the image if there is any, and it can get difficult to remove a selection once done. In that case, simply go to the ‘Select’ Menu and choose ‘None’ or press [Shift] + [Ctrl] + [A]. You can press [Ctrl] + [F] to repeat the last filter, very helpful when batch processing images, and to save some space you can press [Ctrl] + [E] to shrink wrap your window to the size of the image.
A common complaint that many users have (especially those migrating from Photoshop) is that Gimp opens a separate window which floats independently around. You can of course fix this by using GimpShop (http://www.gimpshop.com/) which will make your GIMP look exactly like Photoshop including menu structure, but then it is proper fork of the GIMP project. If you just want a single window mode, then you can use a simple python script called ‘GimpBox’, you can download it from wget http://gimpbox.googlecode.com/hg/gimpbox.py Linux user don’t forget it grant it Executable permissions [From the terminal, in the directory where it is located, simple type chmod +x gimpbox.py.
Further detailed instructions can be found at http://ranjith.zfs.in/gimpbox-gimp-in-single-window-for-gimp-2-6-10-or-older-gimp/.