More/Slower vs. Fewer/Faster CPUs: Practical Considerations

Project and Program: MVS, MVS Performance

Tags: Proceedings , SHARE Atlanta 2016 , 2016

Mainframe customers have had a choice of processor speeds for years. This flexibility has been somewhat limited by the number of sub-capacity engines that can be configured. But now with the z13, up to 30 sub-capacity engines can be used in a single machine, which opens the consideration of sub-capacity engines to more sites. What are the advantages to using sub-capacity engines? Does your LPAR configuration matter? What metrics should be examined to determine if more/slower CPUs is a good fit for your workload? Is it possible that this choice might impact your software bill, either today or in the future?
Come to this session with Scott Chapman to learn why more/slower CPUs may be a better fit for many environments and how to determine what workloads might be at risk for moving to slower CPUs. Representative configurations will be examined and discussed.-Scott Chapman-Enterprise Performance Strategies Inc.

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