I thought you might be interested in looking at Hotfix 1.22 Killed my fps??????.
https://forums.bohemia.net/forums/topic/169761-hotfix-122-killed-my-fps/?do=findComment&comment=2653278
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.