unRAID Server Release 6.2.0-rc4 Available

First time using 6.2? please read the Original 6.2-beta Announcement Post first. Also please review the Announcement posts for previous 6.2-rc releases, especially if this is your first upgrade to 6.2-rc. IMPORTANT [*]Your server must have access to the Internet to use the unRAID 6.2 rc. [*]Posts in this thread should be to report bugs and comment on features ONLY. HOW TO REPORT A BUG Think you've found a bug or other defect? Ask yourself these questions before post

By limetech, August 18, 2016
185 replies

The Q calculation is pretty expensive, especially for less-capable CPU's. The kernel has a number of hand-coded assembly functions to do the math and it picks the "best" one upon boot (by measuring it). Refer to: http://lxr.free-electrons.com/source/lib/raid6/algos.c?v=4.4 Best performance is had when your CPU supports AVX2 instruction set: https://en.wikipedia.org/wiki/Advanced_Vector_Extensions#CPUs_with_AVX2