The low-latency kernel in Studio versions 18 and 19 caused my system to slow down dramatically; I solved this by installing a standard kernel version so I could continue to use the environment.  The slowdown seemed to be due to my use of a 3ware RAID controller (very slow reads/writes, normal performance once in memory).

This problem does not exist with 20.04.  I ran the old UnixBench benchmark and the scores are nearly the same as those I clocked with the standard kernel on v19.

Hardware is a Supermicro X7DAE, dual quad core Xeon E5335, 3ware 9750 RAID controller, 2 Seagate SATA 2 TB drives in RAID 1 array, AMD HD 5500 video.  Sound is an older M-Audio PCI card (Delta 66).

Thank you very much!

Mike Squires

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Michael L. Squires, Ph.D., M.P.A.
546 North Park Ridge Road
Bloomington, IN 47408
Known in the SCA as Alan Culross, KSCA, OP, etc.
"Michael Leslie Squires" on FB
Home phone: 812-333-6564
Cell phone: 812-369-5232
www.siralan.org (personal) or
www.smithgreensound.com (PA)
UN*X at home since 1985

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