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New Technical Paper - Getting high performance on NUMA-based Nehalem-EX system with MKL without controlling NUMA policy for shared memory

Kathy_F_Intel
Employee
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"Traditional MKL performance tests being executed on Nehalem-EX by default got rather poor performance on a number of MKL LAPACK functions, particularly on DGETRF. It's been detected that using such utility as numactll on that system under Linux, namely controlling NUMA policy for shared memory, improves performance dramatically , that is, starting an application in this way." - Excerpt fromMichael Chuvelev's new article.

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