Rob what workload are you looking to compare? SSL would make use of the CPACF facility in the Z procs themselves. Crypto cards assist in key exchange and Z\OS type workloads. Zlinux workloads tend to use libs that don't use crypto card functionality much.
On Fri, Mar 6, 2015 at 5:35 AM, Rob van der Heij < [email protected]> wrote: > I am having fun measuring cryptographic operations to determine when > investment in Crypto Express cards has any performance benefit for a given > workload. > https://zvmperf.wordpress.com/2015/03/06/crypto-express-measurements/ > > If you looked at Crypto Express before, you will know there are different > configurations. Combined with different type of workload, there are a lot > of combinations to measure. If you have Crypto Express cards installed for > use with Linux on z/VM and have some spare moments to collect data in > return for fame and gratitude, drop me a note off-list. If you have the > hardware installed and would like to use it (or want to verify that it's > being used) then I would be happy to try answer your questions and > understand what performance questions need to be answered. > > Rob van der Heij > http://www.velocitysoftware.com/ > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
