@danluu Great post on the cache misses/aligned data issues! Tried your benchmark, but don't understand why pointer chasing makes difference
@grasbueschel pchase adds dependency between loads. otherwise, loads can execute OoO and we're limited by #outstanding loads and bandwith
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@grasbueschel I think. I didn't instrument with perf counters, so that's just speculation. http://oprofile.sourceforge.net/docs/intel-haswell-events.php … would tell you much more.Thanks. Twitter will use this to make your timeline better. UndoUndo
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