Ya after getting 12 gb of ram the playback is still not great. so the next step is to get a raid setup going or get a better cpu but il live for now.
I just built a PC with X58A-UD3R 6gig ram and a GTX 470.
I'm getting 2 layers of R3D at 1/2 res playing fine if they pull from 2 different drives. 1/4 res is probably where I'd live for editing. Still a helluvalot better than FCP. At least you can drop r3d's on the timeline, toss in some CC and go edit.
Seems to me one layer should play off any sata hard drive. They should all be at least 70MB/sec sustained read. REDCODE is typically 36MB/sec. So I don't see the drive being the bottleneck on one layer. Two layers... well now you're going to need some drive speed. 3 layers sounds like trouble.
I'll know more in a day or two but it does seem like a pretty good solution for viewing dailies and doing quick edits.
You gotta remember film guys edited movies at SD resolution forever. You don't need a big window to edit. Avoiding transcoding and proxies is a pretty big deal. Color Finesse seems like a pretty good color corrector. I know some other cool CC tools are on the way.
I've done some more tests and the playback resolution really impacts CPU usage. On one layer I'm getting around 50%-65% CPU on 8 cores at 1/4 resolution. I get 100% at 1/2 rez. Adding CC or FX doesn't seem to add any CPU so the GPU is really doing it's job there. Guess I'll be editing at 1/8 probably. Still.. that's not really a problem.
Ram even at half rez is still on a couple gigs used. So I'm not sure what having 16 gigs really helps. Many layers? Many effects?
anyway, you should be fine with 3.5Ghz.. and believe me, don't upgrade to any 4-core CPU.. it won't give you more performance than what you have now with 3.5GHz.. wait for 6 core i7 970 or the i7 990X.. 990X is 6-core and will sport 3.46 GHz natively without turbo boost..
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