I purchased Aperture 3 about a year ago. I hardly use it because it is so slow. If I uninstall the sample library, will that help the processing speed to edit pictures? If so, how do I uninstall just the sample library?

Question

I purchased Aperture 3 about a year ago.  I hardly use it because it's processing speed is so slow when editing pictures.  Can I uninstall the sample library to increase the processing ability of the program? If so, how do I do that?  I need simple instructions because I am not a professional at knowing how to do this.
Thank you.  Any help will be appreciated.  The following is information on my IMac:
Model Name:          iMac
  Model Identifier:          iMac5,1
  Processor Name:          Intel Core 2 Duo
  Processor Speed:          2 GHz
  Number Of Processors:          1
  Total Number Of Cores:          2
  L2 Cache:          4 MB
  Memory:          1 GB
  Bus Speed:          667 MHz
  Boot ROM Version:          IM51.0090.B09
  SMC Version (system):          1.8f2

Answer 1

poppy-
Aperture is a hardware hog. Unfortunately your iMac  has a weak processing unit and relatively weak graphics, both of which are important for Aperture performance. Your iMac will never run Aperture particularly well; it may or may not be adequate for your needs.
I ran Aperture with weak hardware (2.33 GHz Core 2 Duo 2006 Macbook Pro, 3 GB RAM) for years. It was tolerable because I also used a Mac Pro for heavy editing work. With weak hardware we need to optimize everywhere we can. I suggest:
• Do not bother running Aperture until you add RAM.
• Before each Aperture session restart the Mac to clear possible memory leaks, and run only Aperture by itself unless you have 6 GB or more RAM on board.
• Drives slow as they fill so verify that all hard drives are no more than approximately 70% full as a guideline. Even less full is better.
• Keep the Library size reasonable by using a referenced-Masters workflow with Masters on external drives. Back up originals before import into Aperture or any other images app.
Good luck!
-Allen