Armchair quarterbacking is pointless. I had task manager open, available ram was like 7Gbs, started Ripbot264, and watched windows eat the ram to the last drop in less than a minute. Instead of trying to prove something that I know for a fact is wrong, do this: turn of superfetch. run an app, vista keeps it in memory, run another, same happens until system runs out of available ram and THEN vista starts to unload inactive programs from cached memory to make room for the active ones. Superfetch pre-emptively loads programs based on your usage habits into memory, with superfetch off, windows caches programs you've run for as long as there is space in memory for them. With ripbot264, obviously windows is not offloading all the working files to hard drive. This is where the speed factor kicks in because cached ram is 17x faster than a file on a hard drive. With the file sizes and high encoding settings I was dealing with, windows had use for every bit of the 8GBs on the system.
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