T2 IPsec & crypto_taskq_threads

When running IPsec on the UltraSPARC T2, performance can frequently be improved by increasing the number of worker threads provided by the Solaris kernel crypto framework. The number of worker threads is controlled by the crypto_taskq_threads variable. This can be set in /etc/system or altered using mdb (n2cp should be unloaded and reloaded after changing via mdb).


UltraSPARC T2 IPsec performance when using the HW crypto accelerators is, not surprisingly, pretty impressive -- especially, if you use jumbo frames.

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Posted by impressive on December 10, 2008 at 02:33 PM PST #

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About

Dr. Spracklen is a senior staff engineer in the Architecture Technology Group (Sun Microelectronics), that is focused on architecting and modeling next-generation SPARC processors. His current focus is hardware accelerators.

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