[PD] pix_multiblob cpu usage

chris clepper cgclepper at gmail.com
Mon May 14 16:56:03 CEST 2007

pix_multiblob is not the most efficient code but it should run at that low
resolution.  Where did you get the GEM binary?  It could be built without

On 5/11/07, nosehair911 at bellsouth.net <nosehair911 at bellsouth.net> wrote:
> I made a 400x300 motion JPEG-a movie 15 fps with 5 solid blue circles
> moving on a black background
> to test pix_mutiblob. I open it up with pix_film, flip it with pix_flip
> and send it to pix_multiblob.  I suddenly
> notices PD getting very, very slow.  When I look at the cpu usage in
> activity monitor (if you can believe
> activity monitor) I get 100-104% cpu usage.  I cant do anything else in PD
> because PD gets so slow.  I
> am using a dual 2Ghz G5 with ATI Radeon 9800 XT and 3GB of internal
> memory.  Is this normal? What
> can I do to lower cpu usage?  What else can I use within Gem to get the
> same results? I eventually want
> to be able to track 20-30 objects but It looks like it would be imposible
> at this rate.
> Thanks,
> Alain
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