2010 needs for processores preformace

hi

can any one help with this:

file of 20mb, multi patterned, mirrored using the "mirror bodies" function,  processed/saved or rebuild 7-9 min, or even crashing, when its drawn, well its ....... ! !

with a machine :

Q8200 4 CORE,

xp 64bit 8G,

fx 1700

I understood that SW do not work simultaneity with all 4 cores, but in a linear way, only with one each time ? ? ? ? ?  ! ! ! !

so, what must i do, buy pentuim 4 again .... is there a recomended monster machine. any one ???

what must I do

SolidworksAdministration