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Curated by: Linux Plumbers Conference (224 videos)
In order to emulate Windows NT kernel synchronization primitives, Wine currently uses a single server process, which fields operations on those primitives via RPC from client processes. This has historically worked well, but has turned out to be a severe performance bottleneck in heavily multithreaded applications such as modern games. In this talk, I propose to emulate the complexity of NT synchronization primitives in a kernel driver, which according to proof-of-concept tests can improve performance up to twice the speed of current Wine. Proof-of-concept trees are available here: https://repo.or.cz/linux/zf.git/shortlog/refs/heads/ntsync4 https://repo.or.cz/wine/zf.git/shortlog/refs/heads/ntsync4