ding ding ding. >Essentially the issue is that you want your L2 to stay hot Exactly the reason a 'parallel' app can slow down as you get more cores. More con

ding ding ding. >Essentially the issue is that you want your L2 to stay hot Exactly the reason a 'parallel' app can slow down as you get more cores. More contention means more ACTUAL locking which mean more cache flushes, from my understanding.