[OMP] Threadprivate common dramatically decrease performance

tim18
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July 6, 2009 9:37 AM PDT
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You would expect to pay the cost of copying data in and out of threadprivate at the beginning and end of each parallel region, which could be substantially more than the bare allocation cost.  I don't know how the out-dated compiler would affect this, except that it doesn't include the current version of OpenMP library.

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