I just chucked something together to try and demonstrate. I don't see the massive 20x slowdown, only about a 3x slowdown (5x on release build). Still enough to

I just chucked something together to try and demonstrate. I don't see the massive 20x slowdown, only about a 3x slowdown (5x on release build). Still enough to be painful for the use case in question. https://github.com/Moggers/rusqlitebenchmark https://github.com/Moggers/rusqlitebenchmark Do you think you could look through it and point out what you think the reason is? I think they've both got the same WAL and mutex settings. Its a very contrived and synthetic example but actually somewhat representative of what the original code wanted to do.