Am 10.01.2016 um 17:36 schrieb Anton Ivanov: > On 10/01/16 16:00, Richard Weinberger wrote: >> On Mon, Dec 21, 2015 at 8:04 PM, Anton Ivanov >> <anton.iva...@kot-begemot.co.uk> wrote: >>> Hi list, hi Richard, >>> >>> This rather primitive patchset pushes disk IO by ~ 15%. >>> >>> dd to /dev/null on a host memory cached 16G sparse disk image with >>> ubuntu on it goes from 512MB/s on my machine to 580MB/s. >>> >>> Part 2 will be ring buffers and read/write poll loop in the io_thread as >>> well as elimination of "partial read/write" workarounds. While it does >>> not push disk benchmarks a lot it makes UML more responsive. >>> >>> Part 3 will be merging adjacent IO transactions (by file location) via >>> vector IO. This pushes trhoughput even further by quite a bit. >>> >>> While I can try to submit all of that in one go, I'd rather submit it in >>> chunks so it is easier to review even if this will result in patch churn >>> (the whole do_safe_read malarkey will bite the bullet once part 2 is out). >> Is this already stable enough for this merge window? >> At least checkpatch.pl dislikes part 1. :( >> > You can leave this one out. I will be working further on this to squeeze > ~ 10% more and introduce vector IO.
Ok! Thanks, //richard ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
