Hi there,

I am working on an image sequence generator which produces image data around 20 
fps on my machine when I have turned off Viewer Cache (Disk cache) manually at 
the preferences panel.

If the Viewer cache is ON, the caching has actually slowed down the playback, I 
guess the procedurally generated data is kinda faster than cached playback in 
this case (My cache disk is slow anyway).  In addition, the cache system 
allocates additional memory which quickly hit the peak memory (as i was 
changing my params interactively) and the memory manger kicks in and caused 
additional slow-down.

So I would like to know if there is any means that may instruct Nuke not to 
generate Viewer cache of my output.  (at least allow my users to choose).  I 
have tried "asapUpdate()" as I saw from the documentation that it will disable 
Viewer cache but it didn't work.

Any idea or pointers?

Thanks,

Mike



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