Randy Clarksean writes: > I guess I was not worried about major improvements from kernel changes as > much as I was disappointed in the XP 2100+ delivering a nice speed up in > general. As suggested by you and others, the kernel should NOT have make > that much difference. I am just disappointed in overall CPU performance. > > Comments to other replies ... > > There is a lot of memory management. The run takes around 450-500 MB of > RAM, and it is an iterative solution, which means things have to be operated > on a lot ... moving to and from the CPU. Are you sure you've got RAM allocated statically in a good way (i.e., so that you are never reclaiming and reallocating memory)? Should you be looking for compilation options that optimize your user-mode code for Athlons instead of the kernel (I'm not sure what this would be --- I don't know much about architectural differences)? R