Forum Replies Created

  • Raido Hang

    March 9, 2017 at 10:43 am in reply to: Does Vegas display rendering speed?

    Thank you both for answering.
    Well Graham, that’s exactly what I was looking for.
    It’s not less accurate than my calculator. It’s actually better than I expected.

    It displays everything I wanted Vegas to display:
    Time
    Percentage
    Current/Total Frames
    FPS/FPS Average
    Current File Output Size/Estimated.
    Data Rate

    I just noticed that the output stats are blank when using MainConcept, for some reason.
    Switching to SonyAVC brings the output stats back.

    I was actually comparing rendering speeds cause I have loads of videos waiting to get rendered.
    I also installed Window 7 on one of the machines to see what speeds can be achieved when using CUDA.
    I’m going to test OpenCL later but CUDA is fast.
    My test results show that it’s ~4 times faster than CPU when using MainConcept. The card is a very old 9800 GTX.

    I was more surprised when I started using SonyAVC. Sony AVC (CPU Rendering) seems to be 8 times faster than MainConcept CPU rendering and twice as fast as MainConcept CUDA. – And I though CUDA was fast…

    That’s when I stopped and scratched my head for a minute. SonyAVC got me confused, how can it be so fast? Is doing a lousy job? Well, `it’s not. The output file size is pretty much the same (700Mb.)
    I can only tell the difference between the two when using a large +40 inch screen. SonyAVC at 16-26Mbps seems to be more blocky, especially when looking at reflections. However, the both look the same, when using a smaller FullHD screen (24″.)

    Is the SonyAVC newer, more optimized, improved over time and better overall?

    I also wanted to see how Adobe was handling these tasks but…
    My rusty old CS3 Premier couldn’t handle it. The rendering times were 4 times slower than the slowest MainConcept CPU Rendering in Vegas. It was only utilizing 2 CPU threads and crashed every now and then.

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