| MacOSX: Xgrid+IDL Anyone? [message #37592] |
Thu, 08 January 2004 13:08  |
Steven V. Penton
Messages: 5
Registered: February 2003
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Junior Member |
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Ok, so Xgrid on MacOSX is cool, but it doesn't seem to
work with IDL. I've tried all the thread tweaks but I
couldn't get a serious Poly_2d call to work. I can get
Xgrid to pass around the IDL process to the fastest machine,
but no luck otherwise. Has anyone else tried ?? Am I
being naive to think that the threaded pieces of
IDL should work?
Steve P.
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| Re: MacOSX: Xgrid+IDL Anyone? [message #37854 is a reply to message #37592] |
Thu, 29 January 2004 07:34  |
Wolf Schweitzer
Messages: 21
Registered: October 2001
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Junior Member |
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I tried running stuff on multiple machines under Pooch
(http://www.daugerresearch.com) a while back. That would be an easy drag
and drop way to link up several machines.
Using Pooch on, say, a double processor Mac and another single processor
Mac, (together 3 processors), it is easily possible to start (launch)
software, like calling Terminal or X11. Yet this does not seem to cause
those programs to display any more than the 'number of local processors'
using the command 'hostinfo' in a terminal window.
So, I still don't know where the problem lies, but I suspect that those
applications are maybe not written in a way that allows them to take
advantage of such an environment - either at the level of the command
'hostinfo', or the application X11 or Terminal, or IDL. I assume that
IDL would be easily taking advantage of all processors if the
environment would do, too.
Dauger Research (correctly, imo) said it was a problem of the client
applications, not of Pooch per se, since specifically written
multiprocessor applications run nicely on multiple machines. Contacting
Apple about the possibility of getting more info on why X11 may not run
under Pooch did not result in relevant information so far. Maybe at this
time, it is too early?
Going to look at xgrid now.
Wolf.
Steven V. Penton wrote:
> Ok, so Xgrid on MacOSX is cool, but it doesn't seem to
> work with IDL. I've tried all the thread tweaks but I
> couldn't get a serious Poly_2d call to work. I can get
> Xgrid to pass around the IDL process to the fastest machine,
> but no luck otherwise. Has anyone else tried ?? Am I
> being naive to think that the threaded pieces of
> IDL should work?
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