https://bugs.winehq.org/show_bug.cgi?id=51697
--- Comment #4 from Gabriele gab.pulcio@gmail.com --- (In reply to Zebediah Figura from comment #3)
Well, the proof of that diagnosis is that WINEDEBUG=-ntdll fixes performance. Does it?
Strangely enough, it doesn't, it could be a DXVK issue "D3D11Buffer::QueryInterface: Unknown interface query" spam in the log file, still how is RTL_CRITICAL_SECTION_FLAG_DYNAMIC_SPIN going to be supported?