memset() performance on Nehalem-EX is six times slower than the performance of Nehalem-EP.
Issue
- memset() performance on Nehalem-EX is six times slower than the performance of Nehalem-EP
CPU real(sec) user(sec) sys(sec)
--------------------------------------------------------------------------
Server-A: Nehalem-EP (Xeon E5503) 1.424 1.423 0.000
Server-B: Nehalem-EX (Xeon E7520) 8.180 8.163 0.000 Much slower!
Environment
- Red Hat Enterprise Linux 5
- Kernel-2.6.18-194.el5
- glibc-2.5-49
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