From owner-freebsd-current@FreeBSD.ORG Tue Feb 22 20:31:34 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 1233) id 693001065672; Tue, 22 Feb 2011 20:31:34 +0000 (UTC) Date: Tue, 22 Feb 2011 20:31:34 +0000 From: Alexander Best To: Garrett Cooper Message-ID: <20110222203134.GA53262@freebsd.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Cc: Eir Nym , Dimitry Andric , FreeBSD Current Subject: Re: Wow... (<-- blown away at performance) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Feb 2011 20:31:34 -0000 On Tue Feb 22 11, Garrett Cooper wrote: > On Tue, Feb 22, 2011 at 2:10 AM, Eir Nym wrote: > > On 22 February 2011 11:15, Garrett Cooper wrote: > >>    I don't know what to say, but r218938 screams with flash videos > >> (native Linux speed). Not sure if it's the new binutils or if it's the > >> new linuxulator patches, but I can run multiple instances of youtube > >> in parallel (5 total with other miscellaneous flash animation) without > >> it totally lagging out Firefox/X11, and it appears to close the > >> instances of firefox properly now. Hopefully this version fares better > >> than r218113 did (I think I hit a kernel bug after 2 weeks uptime, > >> where my system just hardlocked for no apparent reason). > >>    Anyhow, hope others have similar results. > >> Cheers! > >> -Garrett > >> > >> $ uname -a > >> FreeBSD bayonetta.local 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r218938M: > >> Mon Feb 21 23:10:51 PST 2011 > >> gcooper@bayonetta.local:/usr/obj/usr/src/sys/BAYONETTA  amd64 > > > > Which FlashPlayer version do you test? Adobe has made significant > > performance changes in 10.2 (from 10.1). You can search for StageVideo > > performance to learn more about. Youtube already use them since 10.2 > > beta > > linux-f10-flashplugin-10.1r102.65 . The performance increases are > claimed to be "up to 85%" on the Stage Video site, but I'm seeing a > more than 200% increase (now it actually scales between multiple > instances, instead of croaks with one instance, tiling up and down the > screen when moving the window slider for instance or switching tabs). > Besides, it seems like it needs external support from the video > driver, and I'm not sure that that bridge exists in the linuxulator. > Also, it looks like npviewer.bin still hangs to resources on until > Firefox closes (or I kill it :)..), so something still needs to be > resolved there, but that isn't a regression (it's acted that way for > ages), and shouldn't be too hard to do. i think the problem with npviewer.bin having to be killed by hand is a futex issue in combination with a high number of threads. this is the output of a test from darren hart's futex test suite under freebsd 9.0: futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=1 Result: 18622 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=2 Result: 15469 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=3 Result: 12713 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=4 Result: 12247 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=5 Result: 11814 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=6 Result: 13468 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=8 Result: 12061 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=10 Result: 12854 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=12 Result: 12999 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=16 Result: 12402 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=24 Result: 9815 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=32 Result: 8518 Kiter/s futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=64 ERROR: Resource temporarily unavailable: pthread_create Result: ERROR futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=128 ERROR: Resource temporarily unavailable: pthread_create Result: ERROR futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=256 ERROR: Resource temporarily unavailable: pthread_create Result: ERROR futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=512 ERROR: Resource temporarily unavailable: pthread_create Result: ERROR futex_wait: Measure FUTEX_WAIT operations per second Arguments: iterations=100000000 threads=1024 ERROR: Resource temporarily unavailable: pthread_create Result: ERROR cheers. alex > Thanks, > -Garrett -- a13x