How to handle a "wait for file" situation

[Mark Smith]

Scott, that certainly tallies with my experience of the "with  
messages" form - it's the tight polling loops that seem to be greedy.

best,

Mark

On 9 Jun 2009, at 21:53, Scott Rossi wrote:

> Recently, Mark Smith wrote:
>
>> Yes, I think you have to be careful with mouse stuff:
>>
>> on mouseDown
>>     repeat
>>        if the mouse is up then exit repeat
>>        put the mouseloc
>>     end repeat
>> end mouseDown
>
> In my experience, the processor load is relative to the frequency  
> of Rev's
> messages.  Messages sent with a frequency of once a second or  
> longer do not
> appear to significantly impact the processor.  As message frequency
> increases to intervals less than one second, processor load begins to
> increase significantly.
>
> One interesting exception is "wait... with messages".  This can  
> effectively
> act as an ultra fast loop or repeat but does not appear to impact  
> processor
> load (at least not according to OS X's Activity Monitor).
>
> on mouseUp
>    wait until mouseH() > 200 with messages
>    put "done"
> end mouseUp
>
> Regards,
>
> Scott Rossi
> Creative Director
> Tactile Media, Multimedia & Design
>
>
>
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