Here’s the link http://teambeyond.net/forum/topic/15381-proven-fix-for-heavy-aim-incoming-josh-menke/#
There’s a long running topic on this here, probably best to continue there:
https://www.halowaypoint.com/en-us/forums/6e35355aecdf4fd0acdaee3cc4156fd4/topics/heavy-aiming-server-cpu-stress-tips/edc2890d-30a9-4242-8851-c474ac95a22f/posts