mckeed wrote:Frameserving vobs and filtering them you only need a certain amount of ram and them any more is fluff.
Bullshit. Where's your data, or, indeed, where's your reasoning? The amount of RAM necessary to process a given filter chain is directly dependent on the complexity of that filter chain. If you're swapping in preprocessing, that is definitely going to impact rendering time.
The only thing that will help render time is a faster processor and fast hard drives.
Or, say, a dedicated hardware video processor.
Video is pretty basic stuff really. What takes time is calculating opacity, transitions, overlays, masks, etc. RAM doesn't help you here, but processors will.
RAM certainly still helps. If you're using a multi-frame video effect (say, some sort of time-average) that requires multiple frames to be kept in the computer's active set BUT you cannot store all of those frames in (relatively fast) main memory, guess what you have to do? Oh no, here comes secondary memory; oh no, here comes swap.
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