Firefox 3.5 consume a lot of memory and CPU usage!

Firefox 3.5 consume a lot of memory and CPU usage!:

I tried the following on one of my personal laptops and it worked. I got this solution in one of the FF blogs.....

Please do it at your own risk

1. Type in about:config in the FF browser
2. You will get a warning! Click on 'I will be carefrul'
3. textIn the filter copy and paste browser.cache.memory.enable;true
4. textChange it to browser.cache.memory.enable;false by double clicking that entry.

I saw a significant change after doing it...try it yourself and let me know.