Does the performance improve in fullscreen? I can see having to share time with the rest of the GUI, but in full screen there is nothing else taking time.<br><br><div class="gmail_quote"> Sat, May 21, 2011 at 7:12 AM, cyrille henry <span dir="ltr"><<a href="mailto:ch@chnry.net">ch@chnry.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">hello,<br>
<br>
from my experience, Gem is 2 times faster on the same computer using ubuntu than osX.<br>
thanks to nvidia profiling tools, Nicolas pointed that gem is limited to 50% usage of the GPU.<br>
there is certainly a limitation somewhere on osX preventing application to use full performance of the hardware.<br>
<br>
so, you applications are slower, but the interface will always be smooth...<br>
<br>
Cyrille<br>
<br>
Le 21/05/2011 12:59, <a href="mailto:jack@rybn.org" target="_blank">jack@rybn.org</a> a écrit :<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Hello Chris,<br>
<br>
If I have time to do this test the next time i will do it (putting the<br>
graphic card on the 4x PCIe bus).<br>
Now, it works fine with 2 MacPro (with one graphic card and 2 PS3 Eye on<br>
each MacPro) and Ubuntu 10.04.<br>
I have installed PureData 0.42.5, last GEM from SVN and ATI driver<br>
Catalyst for the Radeon HD 5770 and the acceleration is OK.<br>
When i was using 'dialog' message, i can't remember what i got.<br>
Thanx for your help and suggestion. I will try to test all your<br>
recommandations the next time.<br>
One remark : it seems the graphic acceleration is better under Ubuntu than<br>
MacOSX. Is there a problem with the driver under MacOSX ? (The same patch<br>
worked faster under Ubuntu).<br>
++<br>
<br>
Jack<br>
<br>
<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Jack<br>
<br>
I think two of those cards might draw too much power to run at the same<br>
time? Also, check the PCIe lane speeds and try running them at 4x or 8x<br>
rather than 16x.<br>
<br>
AS far as getting 4 of the same cam running, it depends on how the driver<br>
presents multiple cams to Quicktime. It might show up as one device with<br>
four inputs, for example. Use the 'dialog' message to check it out.<br>
<br>
On Thu, May 19, 2011 at 5:00 AM, Jack<<a href="mailto:jack@rybn.org" target="_blank">jack@rybn.org</a>> wrote:<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Thanx Mathieu,<br>
<br>
I will give it a try with your tips.<br>
I have started to install Ubuntu 10.04 on the Mac Pro and i think i will<br>
use this OS.<br>
<br>
In fact, i am crazy because i have installed two ATI Radeon HD 5770 on<br>
this Mac Pro (version 5.1). Each card has 2 Mini Display Ports and 1 DVI<br>
port. On the Apple website it is write each graphic card accept a<br>
resolution of 2560x1600 px. When i plug 2 TV screen (HDMI and each<br>
screen with 1280x768px) on the 2 Mini Display Port on one card (with an<br>
adapter Mini Display Port/HDMI), it works fine. But if i use the second<br>
card with the same configuration (so 4 TV screen on the 4 Mini Display<br>
Port), it seems the computer have not enough power, the Finder quit each<br>
10 second.<br>
I use MacOSX.6.6 and this is not the lastest version (the lastest is<br>
X.6.7 and maybe it is working with this version but now i have no time<br>
to test this config).<br>
<br>
With Ubuntu, the sytem start to load then the 4 screens stay black. I<br>
have to unplug the 2 cables on one graphic card to boot normaly. So i<br>
can only use 2 screens.<br>
<br>
I don't know where is the problem (power ? Apple computers ?).<br>
If someone have any experience on this problem, i will be happy to<br>
listen him.<br>
<br>
Now, the solution that i am going to use :<br>
1 Mac Pro with Ubuntu and one graphic card (ATI Radeon HD 5770)<br>
1 PC with Ubuntu and one graphic card (NVidia GT 440 or NVidia GTX 460)<br>
++<br>
<br>
Jack<br>
<br>
<br>
<br>
<br>
Le mercredi 18 mai 2011 à 11:58 -0400, Mathieu Bouchard a écrit :<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
On Wed, 18 May 2011, <a href="mailto:jack@rybn.org" target="_blank">jack@rybn.org</a> wrote:<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
I'm going to work on a Mac Pro with MacOsX.6.7 and the latest stable<br>
Pd-extended 0.42.5. I would like to connect four PS3 Eye on this<br>
computer and use GEM with pix_video to read these four devices in<br>
</blockquote></blockquote>
four<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
instance of Pd (=> one camera per instance of pd). I will use Macam<br>
driver (or something else ?) Is it easy to get each camera working<br>
</blockquote></blockquote>
in<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
the same time on this system ? Do you have experience in this area ?<br>
</blockquote>
<br>
My experience with just one cam on OSX and Pd-extended 42 was that<br>
</blockquote>
object<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
creation order mattered because each [pix_video] object automatically<br>
opens the first available camera AND the "device 1" method didn't<br>
</blockquote>
work.<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
So, to access only the 2nd camera, I had to create two objects and<br>
</blockquote>
only<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
use the 2nd one.<br>
<br>
using 4 [pix_video] objects for 4 cameras may work, but they will be<br>
assigned by creation order.<br>
<br>
_______________________________________________________________________<br>
| Mathieu Bouchard ---- tél: <a href="tel:%2B1.514.383.3801" value="+15143833801" target="_blank">+1.514.383.3801</a> ---- Villeray, Montréal,<br>
</blockquote>
QC<br>
<br>
<br>
_______________________________________________<br>
<a href="mailto:Pd-list@iem.at" target="_blank">Pd-list@iem.at</a> mailing list<br>
UNSUBSCRIBE and account-management -><br>
<a href="http://lists.puredata.info/listinfo/pd-list" target="_blank">http://lists.puredata.info/listinfo/pd-list</a><br>
<br>
<br>
</blockquote>
<br>
</blockquote>
<br>
<br>
<br>
_______________________________________________<br>
<a href="mailto:Pd-list@iem.at" target="_blank">Pd-list@iem.at</a> mailing list<br>
UNSUBSCRIBE and account-management -> <a href="http://lists.puredata.info/listinfo/pd-list" target="_blank">http://lists.puredata.info/listinfo/pd-list</a><br>
<br>
</blockquote>
<br>
_______________________________________________<br>
<a href="mailto:Pd-list@iem.at" target="_blank">Pd-list@iem.at</a> mailing list<br>
UNSUBSCRIBE and account-management -> <a href="http://lists.puredata.info/listinfo/pd-list" target="_blank">http://lists.puredata.info/listinfo/pd-list</a><br>
</blockquote></div><br>