as always: i forgot the attachment........
On Wed, 2007-02-28 at 23:24 +0100, Roman Haefeli wrote: > On Wed, 2007-02-28 at 07:14 -0600, chris clepper wrote: > > On 2/28/07, Roman Haefeli <[EMAIL PROTECTED]> wrote: > > > > > > i might be wrong but in my eyes it doesn't make sense to do > > all the work > > that could be done in 50ms in only 1.45ms. > > > > What? GEM doesn't use the DSP clock. It will take as much time as > > needed to render. > > oops. ok.... > > > For example, the current work I have uses three or four 1080i clips, a > > live feed and records to disk and there is no way that all runs in > > 1.45ms. It takes about 12-15ms! > > anyway, i get dropouts when doing gem-rendering, although 'top' tells me > that pd uses only 20% cpu-time. i don't care much about the audio (as > IOhannes mentioned, i could run two instances of pd). the problem is > that the timing is not nice. i'd like to run the patch with 20 frames > per second. but in praxis each cycle needs 70ms, which gives me a > framerate of 14. > > is my gpu too slow? what happens, when the gpu is overloaded? can that > cause pd to stuck? > > i attached a little gem-benchmark-test. although you say, gem doesn't > use the dsp-clock, it takes much longer to compute the first block after > a gem-rendering command. why is that? > and: here on my system, the [realtime] measures up to 70ms, when i go > over [repeat 1400] (under 1400 it's 50ms). the funny thing is, that it > stays around 70ms, even if i set the [repeat] up to 3000 or more. why is > that? here on my system, cpu-time used by pd is always 20%. > > sorry to ask you so much...... but i try to understand things a bit > better....... > > roman > > > > > > > > > > > > ___________________________________________________________ > Der frhe Vogel fngt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: > http://mail.yahoo.de > > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list
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