Cycling '74 Forums » Topic: Upgrade to 4.6/1.6 -- Major Drop in FPS

Cycling '74 Forums » Topic: Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287 Cycling '74 Forums » Topic: Upgrade to 4.6/1.6 -- Major Drop in FPS en-US Tue, 07 Sep 2010 02:32:37 +0000 http://bbpress.org/?v=1.0.2 Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39315 Sun, 08 Apr 2007 23:15:32 +0000 Adam Kendall 39315@http://cycling74.com/forums/ Thanks Anton. Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39314 Sun, 08 Apr 2007 18:57:26 +0000 Johnny deKam 39314@http://cycling74.com/forums/ ahso thanks vade - html who would have thunk it ; ) ok - so what happens if we increase the threadcount or thresh? say 8 threads on a dual core? or 1000 cells instead of 10k? -dek > guys! html docs! > > <a href="http://cycling74.com/documentation/group-mess-jitter" rel="nofollow">http://cycling74.com/documentation/group-mess-jitter</a> > > :) > > parallel [0/1 (int)] > Turns parallel processor support on/off. Default is on if machine > has multiple processors (or cores), and otherwise off. > > parallelthreads [threadcount (int)] > Specifies the number of threads used for parallel processor > support. Default is the number of processors (or cores). > > parallelthresh [threshold (int)] > Specifies matrix cellcount above which parallel processors are > used. Default is 10000 cells. > > > Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39313 Sun, 08 Apr 2007 17:55:49 +0000 vade 39313@http://cycling74.com/forums/ guys! html docs! <a href="http://cycling74.com/documentation/group-mess-jitter" rel="nofollow">http://cycling74.com/documentation/group-mess-jitter</a> :) parallel [0/1 (int)] Turns parallel processor support on/off. Default is on if machine has multiple processors (or cores), and otherwise off. parallelthreads [threadcount (int)] Specifies the number of threads used for parallel processor support. Default is the number of processors (or cores). parallelthresh [threshold (int)] Specifies matrix cellcount above which parallel processors are used. Default is 10000 cells. On Apr 8, 2007, at 12:57 PM, dekam wrote: > The Max Topics pdf page 106-115 documents the 'messages to max' > available - but surely there are a number of 'undocumented' > messages (the use of processors for example) -- also, there are > some messages that can be sent to the jitter kernel, but i've found > no documentation of these (?) It would be great if someone at c74 > could create a list of pertinent undocumented kernel messages that > might help intrepid users. > > thanks > > deKam > > > > >> I don't know what else to say about it -- Cycling pointed me to a >> message that explicitly tells Max how many CPUs to use. I can't >> find the message anywhere, even though I played around with it in >> September. In my experience on XP, Max defaults to using both >> CPUs without prodding. >> >> Adam > v a d e // <a href="http://www.vade.info" rel="nofollow">http://www.vade.info</a> abstrakt.vade.info Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39312 Sun, 08 Apr 2007 16:57:53 +0000 Johnny deKam 39312@http://cycling74.com/forums/ The Max Topics pdf page 106-115 documents the 'messages to max' available - but surely there are a number of 'undocumented' messages (the use of processors for example) -- also, there are some messages that can be sent to the jitter kernel, but i've found no documentation of these (?) It would be great if someone at c74 could create a list of pertinent undocumented kernel messages that might help intrepid users. thanks deKam > I don't know what else to say about it -- Cycling pointed me to a > message that explicitly tells Max how many CPUs to use. I can't > find the message anywhere, even though I played around with it in > September. In my experience on XP, Max defaults to using both CPUs > without prodding. > > Adam Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39311 Sun, 08 Apr 2007 14:07:26 +0000 Adam Kendall 39311@http://cycling74.com/forums/ Quote: Wetterberg wrote on Sat, 07 April 2007 16:14 ---------------------------------------------------- > Hi Adam, could you elaborate on this a bit? It's news to me... > I don't know what else to say about it -- Cycling pointed me to a message that explicitly tells Max how many CPUs to use. I can't find the message anywhere, even though I played around with it in September. In my experience on XP, Max defaults to using both CPUs without prodding. Adam Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39310 Sun, 08 Apr 2007 14:01:37 +0000 Adam Kendall 39310@http://cycling74.com/forums/ Quote: Mattijs wrote on Sat, 07 April 2007 16:10 > Note that this doesn't mean that you'll see one cpu using 100% >and others 0% in your cpu monitor. The workload will be done >alternately on different cpu's, but only one at a time. A cpu >monitor usually displays an average and will make it seem that >with two processors, your framerate will start to drop when the >cpu load reaches exactly 50% at both processors. Ok, I see. Adam Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39309 Sat, 07 Apr 2007 22:14:11 +0000 Wetterberg 39309@http://cycling74.com/forums/ Adam Kendall skrev: > There is a "message to max" to explicitly tell Max to use n processors. I played around with it when I got my Core2Duo. Hi Adam, could you elaborate on this a bit? It's news to me... Thanks, Andreas. Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39308 Sat, 07 Apr 2007 22:10:58 +0000 Mattijs 39308@http://cycling74.com/forums/ Quote: Adam Kendall wrote on Sat, 07 April 2007 23:49 ---------------------------------------------------- > I want to emphasize that my Jitter work is all 2D, I don't know how Jitter handles multiple processors with 3D. > Yeah, certain '2D' (matrix processing) objects make good use of multiple processors, although I don't know where to find the list of which objects do and which don't. Still, the actual message passing system of max itsself is done in one thread, thus running on a maximum 100% of one cpu. Note that this doesn't mean that you'll see one cpu using 100% and others 0% in your cpu monitor. The workload will be done alternately on different cpu's, but only one at a time. A cpu monitor usually displays an average and will make it seem that with two processors, your framerate will start to drop when the cpu load reaches exactly 50% at both processors. Mattijs Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39307 Sat, 07 Apr 2007 21:49:35 +0000 Adam Kendall 39307@http://cycling74.com/forums/ I can only respond with my personal experience (which is all 2D video, no OpenGL) -- Both my processors are used, and the load is distributed pretty evenly among the two. When I switched from a single-core P4 3.x ghz chip to a Core2Duo 2.x ghz chip, my FPS were noticeably higher on the same patches. There is a "message to max" to explicitly tell Max to use n processors. I played around with it when I got my Core2Duo. Cycling told me at the time that Max may not automatically recognize the two processors, though in my experience it did. I want to emphasize that my Jitter work is all 2D, I don't know how Jitter handles multiple processors with 3D. Adam Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39306 Wed, 04 Apr 2007 08:07:34 +0000 Mattijs 39306@http://cycling74.com/forums/ Quote: Adam Kendall wrote on Tue, 03 April 2007 14:15 ---------------------------------------------------- > What's the message to explicitly tell the computer to use both CPUs? (Task Manager said both were working, but maybe I should be explicit to be safe?). Jitter and Max together use only one cpu, except for certain 2D processing objects. Have a look at this: <a href="http://www.cycling74.com/forums/index.php?t=msg&goto=78171&rid=3579&S=266c595fbb6d78dcb5fdfea86037a9a2#msg_78171" rel="nofollow">http://www.cycling74.com/forums/index.php?t=msg&goto=78171&rid=3579&S=266c595fbb6d78dcb5fdfea86037a9a2#msg_78171</a> Mattijs Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39305 Wed, 04 Apr 2007 00:12:39 +0000 Adam Kendall 39305@http://cycling74.com/forums/ Thanks, Jeremy, I'll try that when I have time to reinstall 4.6/1.6 Adam Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39304 Tue, 03 Apr 2007 12:19:51 +0000 Jeremy Bernstein 39304@http://cycling74.com/forums/ One change which might be affecting you: hiquality is on by default in jit.qt.movie, whereas it wasn't before. Depending on your media, this could affect your output rate. jb Am 03.04.2007 um 14:15 schrieb Adam Kendall: > Any ideas? I can't post patches, because my "apps" are too dense > with subpatches. > > Any checklists for me to over with 4.6.x/1.6.x? Do I need the a > different version of QT? What's the message to explicitly tell the > computer to use both CPUs? (Task Manager said both were working, > but maybe I should be explicit to be safe?). Are there any known > problems I didn't find in my searches? Upgrade to 4.6/1.6 -- Major Drop in FPS http://cycling74.com/forums/topic.php?id=7287#post-39303 Tue, 03 Apr 2007 12:15:37 +0000 Adam Kendall 39303@http://cycling74.com/forums/ I'm going to report this problem the way everyone hates -- General vague statement with no supporting patch, details, etc. But I don't know how else to do it. I'm on XP, on a Dell 6400 laptop. Core2Duo 2.16. 2Gb RAM. Radeon x1400. QuickTime 6.5.1 I *was* running Max 4.5.x/Jitter 1.5.x Everything was great. Over the weekend, upgraded to 4.6.2/1.6.2 All my Jitter apps had a major drop in FPS, approx. 40-50% drop. I thought it meant only a single processor was being used, but in Windows Task Manager, I could see both being utilized. My patches are all QT-based (no OpenGL). No slabs. Performance Settings didn't make a difference. Reverted to 4.5.x/1.5.x, everything's back to normal, i.e., got my FPS back. Any ideas? I can't post patches, because my "apps" are too dense with subpatches. Any checklists for me to over with 4.6.x/1.6.x? Do I need the a different version of QT? What's the message to explicitly tell the computer to use both CPUs? (Task Manager said both were working, but maybe I should be explicit to be safe?). Are there any known problems I didn't find in my searches? Any guidance appreciated.