At 7:09 PM +0100 1/14/06, you wrote:
although the topic is a bit old, i'd like to add the following command;

for a project that involves many cpu-intensive tasks, mainly in graphics manipulation/-analysing, after alot of testing i finally ended-up splitting-up different tasks between two seperate projectors that communicate with the localConnect-object, in order to truely use both CPU's of the G5.

this to me indicates that director is mainly single-threaded,

yes

even when using multiple windows. maybe i'm wrong, and director is multithreaded, but just not multi-cpu-aware..

anyway, using two different projectors, for me increased performance close to 100%.
this can ofcourse only be true on multi-processor setups.

cool!




gr
\rri


On Dec 20, 2005, at 4:27 PM, Alan Skinner wrote:
Hi,

Easy question for the Gurus ;o)

If I have a number Timeouts running at the same and they all access  say
the same List.
Does director run them off a single thread or might it possibly use
multiple threads to run them?

Im talking mutual exclusion or critical sections here. Can both my
timeouts modify the same data safely?

There is no provision for critical sections in lingo so I was  hoping it
would only run one timer callback function at a time until it was
completed before it went on to the next one, but that might not be  very
efficient?

Does anybody have any ideas about this type of thing?

Cheers alan.

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