on 15/04/2010 07:28 Maho NAKATA said the following: > right. Pinning might not be so important I guess. Core i7 is not NUMA. It still should be beneficial from the point of view of core local caches. If a thread that works on the same data set (non shared) stays on the same core the chances are greater that the data stays in cache. -- Andriy Gapon