While David had dismissed CPU affinity because of the potential of other threads in the stack not benefitting from additional cores, I wanted to test and see wh

While David had dismissed CPU affinity because of the potential of other threads in the stack not benefitting from additional cores, I wanted to test and see what impact it would have. Granted these are single run #'s on linux, but it's interesting to see that even a single thread adds minor overhead. Code: http://gmr.privatepaste.com/7ee226e690 Single call of the function: gmr@binti ~ $ ./test.sh real 0m10.840s user 0m10.824s sys 0m0.008s With Processor Affinity on Single CPU: gmr@binti ~ $ taskset 01 ./test.sh real 0m11.210s user 0m11.207s sys 0m0.004s Without Processor Affinity: gmr@binti ~ $ ./test.sh real 0m14.389s user 0m12.488s sys 0m3.789s