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 z/VM V5R2 LSPR FAQ
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Question 1:
What is the performance improvement a z/VM customer might experience on the z10 EC?
Answer:
The performance ratios that a z/VM customer workload might experience when migrating to z10 EC from older processors will vary. For z/VM, the published z10 to z9 ratio in the LSPR for a 16-way configuration is approximately 1.30. However, customers may experience a range of performance. It is suggested that you consult the full range of LSPR workloads. The 30% improvement is in the lower end of the improvement range. The lower the memory or processor over-commitment, the greater the potential for the improvement to be in the upper end of the range. A z/VM partition with a lower number of logical processors will also have more potential for being in the upper end of the range.
Question 2:
Where can I read more about the performance of z/VM in relationship to the z10 EC processor family?
Answer:
The z/VM Performance Resources Page, located at http://www.vm.ibm.com/perf/, contains information on z/VM Performance. It will be updated by March 21, 2008 to include additional information on z/VM workloads running on the z10 EC processor.
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