Aaron Boxer
Aaron Boxer
@axboe fantastic! let me know if I can help in any way re testing
@axboe does O_DIRECT also have similar efficiency improvements on BTRFS as well as XFS ? as this is Fedora default.
great, thanks!
> How do you invoke your test program? Is it required to pass parameters? if no parameters,then it will iterate through all concurrency levels from 2 to `std::thread::hardware_concurrency()`, or you...
@shrfb that's basically correct, except that most of the work is done in the lambda method before calling encodePixels. And, with uring, the requests go into the ring and can...
I found a bug in my benchmark code: I've updated the timings above, this time for a 6 core laptop. With the bug fixed, the uring timing is equal to...
> > With the bug fixed, the uring timing is equal to or greater than the synchronous timing. > > Can you clarify what you mean here? I can interpret...
@axboe woops, I got the specs reversed : laptop has 5.17 and btrfs. desktop has 5.11 and ext4. But, yeah, twice as long seems too big a gap - I...
@axboe I've fixed some bugs in the benchmark, and updated the timings for desktop and laptop. I also managed to remove the single locked ring - now there is one...
I have enabled work queue sharing across threads. ~This errors out on 5.11, but running a 5.17 VM on my desktop 48 thread machine,~ I can now almost consistently get...