Hi, i create a test scene (in attachment) . Format setting : PAL, duration : 10 frame. Set Viewer zoom to x1. Set the disk cache size to high 50Gb. the rest is using default. I create a bit ‘heavy’ animated clip (couple of nodes in a tree) and to play the clip , For the first cycle/loop, it takes 3 sec to refresh every frame. I clean up the disk cache then i add a diskcache node and run the ‘precache’ . The precache takes about 6-8 second to render each frame. After finished, if i press ‘precache’ again and again it will show up the render progress window but it’s now much much faster , so it’s doing nothing coz it’s already precached. so far so good.
Now i create branch from the diskcache node , i create two stream , one is pipe into ‘grade’ node and the other into ‘transform’ node.
(1) Connect the viewer to grade node, then play the clip….. well, it doesn’t play the clip immadiately, it takes 3 sec each frame to run through the clip, the next cycle it plays real time. Now while the clip still playing , i can change color on the fly in ‘grade’ node, and it’s updated in almost realtime. Precache works ! But what about that 3 sec per frame? where does it come from? any logical explanation for it? the cache from disk should be played almost real time (for 10 frames pal on my disk).
(2) connect the viewer to the transform node, now everytime i changed the transform (translate only) , It took almost 3 sec to update every frame. And it’s not like ‘grade’ in case-1, everytime i change the transform, it needs to recalculating up stream again and again. Diskcache is not working ??
(3) after running (2) , i go back to ‘grade’ node, now if i play the clip then change the color (grade), it will ask me for another 3 sec per frame for the first cycle. Something is wrong? there’s no change in the up stream. So where the hell this 3 sec is coming from? everytime i switch to (2) then go back to ‘grade’ node, i will have to waste 3 sec per frame.
Does anyone have any experience on this ? I test it using 6.2v2.
Thanx.
