2 [KernelThread.com] Making an Operating System Faster (10 Things Apple did to make Mac OS X Faster)
https://www.kernelthread.com/mac/apme/optimizations/
The prebinding might be a possible improvement on CE. We could start by experimenting with a power tool sort of thing, perhaps.
The working set detection might be interesting to improve paging of code, but probably not worth all the extra complexity.
The list of perf tools is kind of interesting to know; a fairly redundant-sounding mishmash of heap and profiling tools, none of which sound super sophisticated.