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Depending on resolution and frame rate 64GB usually result in something between 8-25minutes of raw footage.

Yes, that's normal.

The more frames per second have to be dumped simultaneously, the more the write speed drops.

My System:
Card Benchmark: 120 MB/s
1920 x 1080, 25fps: 90 MB/s
16xx x 560, 50fps: 70MB/s

I can't get a higher 50fps resolution to work beyond 1600 in 16:9. Recording more frames per second then 24/25/30 significantly seems to stress the dumping pipeline.

you can't "translate" pure card write speed to actual real world write speed while recording.

my cards benchmark at about 115 MB/s but with increasing frame size and fps whte actual continous recording write speed falls off quickly.

examples:
at 1920x1080 30fps i can write ~90mb/s continously
at 1600x500 50fps i can write ~70mb/s continously

so, the higher the fps, the harder a time the camera has to dump the frames without "choking".

only thing you can do, is actually test out, what resolutions/frame rates your cards can do without dropping frames.

Standard RAW settings, most important thing for me was "Memory Hack" turned on. Make sure to turn camera into "RAW" quality in photo canon settings.

I get 50fps continuous in that setting, your 10fps more for 60 might be the threshold for the buffer. Try 50 to verify. Every Resolution above 1600 isn't continous for me either.

The way I see it, high FPS is much more straining for the buffer. I get 100+MB/s with 24fps and high resolutions, but 50fps I only get about 78MB/s, too. Same card, KompBay 64GB.

Am I reading this funny or are some of you actually getting 50-60fps continuous without the buffer stopping ?
Someone tell me why I'm dreaming because if this is the case I have no interest in upgrading my camera to any other system ever

With a good CF card 16:9 resolutions up to 1600x560 (resulting 1600x900) is usually continuous at 50/60 fps. Only drawback is the squashed format atm and the resulting quality-loss/aliasing after stretching it back to intended height.

When i set 720/50 and record in crop mode he automatically sets fps override to 30, even if it was on 50 before. No matter what resolution... So FPS in crop mode seems to be max 30.

So crop is constricted to max 30fps at the moment, could anybody confirm? thx

1472 x 516, 60fps, continuous at 74mb/s

idle = not busy. not sure though if it means processing cycles or write cycles.

Update:

50fps:
1600 x 560: 81mb/s continuous, 7% idle
1700 x 606: 81mb/s about 15sec, no idle

25fps:
1920 x 1080: 97mb/s cont, 15% idle
1920 x 1152: 97mb/s cont, 7%idle
1920 x 1280: 97mb/s about 15sec, no idle

So is CPU the bottleneck at the moment?

[HUGE]

Hey guys,

I'm getting very inconsistent results when recording raw footage (5DM3, 64GB Komputerbay 1000x cards).

I'm mostly interested in a 50fps workflow, so I tested a few resolutions and settings to get the best results. 1600x560 works all the time, at about 72MB/s continuous. The next resolution (17xx) USUALLY starts dropping at about 350frames with about 80MB/s. Sometimes though (1 out of 10), after changing settings, I can record the 17xx resolution, continuously, straight out of nowhere. But only once, every record after that fails again. Additionally, I'm not able to reproduce this phenomenon, it just happens.

And: 1920 x 1080 in 25fps record flawlessy at about 95MB/s and I even get a few higher resolutions continous recording at about 105 MB/s.

Why does 50fps start dropping frames at about 80MB/s while I can record 25fps continuous up to 105 MB/s? If I turn off the LiveView even a little more. The card easily benchmarks somewhere between 115MB/s (ML benchmark) and 130MB/s (Windows).

Also, any tipps/hints on optimizations? NR, Auto-Stuff already off, Memory Hack on, Global Draw off, ML running from SD card, Recording on CF.

And again a HUGE thank you to all devs and the community: what you guys achieve here is simply outstanding and unbelievably appreciated.

TL, DR: Same problem as fatpig, no output with just cineform raw.
Installed Cineform Decoder Update: http://cineform.com/gopro-cineform-decoder
Cineform found update immediately after (1.3.2.170), installed update, finally worked.

Hey guys, extremely new to all of this, but had the same problem as fatpig and others: 422 worked, but just Cineform RAW didn't create any output file.

As Dan suggested, I tried looking for the bug within Cineform Studio itself, took a normal MP4-video and tried to convert it in Cineform Studio Free. Didn't work, progress bar immediately stopped at 0%, wihtout crashing though. Just didn't do anything. Apparently a lot of ppl have this problem without an obvious solution.

So some ppl suggestes updating Cineform Studio free, but mine was already at the newest version 1.3.2.169. One post suggested, updating the Cineform Decoders aka the former Neo Player: http://cineform.com/gopro-cineform-decoder

Strange thing then: I updated the decoders, immediately after updating, the Cineform Studio update service found an update (1.3.2.170, but the Premium version). Downloaded and installed the Premium, transcoding within Cineform Studio still didn't work, but now it worked within RAWanizer. Win7 64bit here, hope this is of any help.

@DAN: thank you for all your efforts. it is beyond appreciated.