http://bugs.winehq.org/show_bug.cgi?id=55981
--- Comment #32 from Jacek Caban jacek@codeweavers.com --- (In reply to Trass3r from comment #31)
What about the more specific wined3d mapping inefficiencies described in https://bugs.winehq.org/show_bug.cgi?id=55981#c20 ?
They don't apply when wined3d uses persistent memory mappings (and it's now able to do so).