On 09/12/2020 06:50, Christoph Hellwig wrote: > On Wed, Dec 09, 2020 at 02:19:50AM +0000, Pavel Begunkov wrote: >> A benchmark got me 430KIOPS vs 540KIOPS, or +25% on bare metal. And perf >> shows that bio_iov_iter_get_pages() was taking ~20%. The test is pretty >> silly, but still imposing. I'll redo it closer to reality for next >> iteration, anyway need to double check some cases. > > That is pretty impressive. The difference will go down with BS=~1-2 pages, just need to to find a moment to test properly. > But I only got this cover letter, not the > actual patches.. Apologies, that goes for everyone as lost CCs in the patches. -- Pavel Begunkov
