How Fast is Fast: How to Get the Most Out of Your EC12 or z13

Project and Program: Linux & VM, VM

Tags: Proceedings, SHARE in Orlando 2015, 2015

z/VM 6.3 performance guidelines are just "different".  Does vertical scheduling really help?  How do you measure it?  If an EC12 processor has a clock speed of 5.5 Ghz, really, just how many mips is that? If a z13 is only 5.0 Ghz, is it slower? How can you make them go faster?  In theory, reducing level 1 / level 2 cache misses means less cycles per instruction. Does vertical scheduling help as advertized? This presentation will look at optimizing your configuration and utilizing processor cache statistics for validating the benefit of your configuration changes.-Barton Robinson-Velocity Software

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