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Topic: OMNISPHERE CPU load reduction- Eric, any advice?

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  1. #1

    OMNISPHERE CPU load reduction- Eric, any advice?

    I love using Omnisphere, but even on my 8-core DAW is still sucks a lot of CPU. I would love to hear what others are doing to try to reduce CPU/RAM load when using multiple patches on Omnisphere.

    Thanks!
    _______________________________________
    "I would rather compose than decompose."


    Sean C. Dockery
    www.SeanDockery.com




    Cubase 5, Komplete 6, Alchemy, PLAY, Vienna Instruments, Spectrasonics, and much more

    INTEL|CORE I7 980X 3.33G, 12G CORSAIR DDR3, SSD 160G|OCZ for OS.






  2. #2

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    one thing you could do is to check the patches in the multi for proverbs and put those into bypass.
    Use one global proverb in the mixer over aux1 instead.
    Depending on the patches that you use this can make a big difference.
    Also be aware that everything that happens in a single omnisphere has to be calculated on a single core.
    so if you run out of headroom in Omni because you are running too many parts in one instance open up a second one assign some of the patches to that one and distribute the load over 2 cores that way.

    Another way to reduce cpu usage is to lower the voice count in a patch.
    if you only play 4 voice chords f.e. you might be able to reduce the number of allocated voices from 8 to 5-6 depending on the release of the sound and the stuff that you play.

    Since Omnisphere has a very modular architecture you can switch off the filters to save even more CPU and depending on the soundsource you can use the timbreshift modulated by velocity to achieve a "filtered" sound.
    Works pretty good with the traditional soundsources.

    This is what i can think of right now.
    Hope that helps.
    I am using an 8core too and with these methods i can hardly get over 50% of CPU in my projects and i use a lot of Omniparts plus RMX, Kontakt and audiotracks.

  3. #3

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    See "Performance Issues" in the FAQs for some tips at support.spectrasonics.net.

    - Glenn

  4. #4

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    Thanks! I never knew Omni had to run on only 1 core. I will definitely try to use more instances of Omni then. Hopefully one day Eric and his team can make Omni run utilizing all cores on a CPU.

    Take care,

    Sean
    _______________________________________
    "I would rather compose than decompose."


    Sean C. Dockery
    www.SeanDockery.com




    Cubase 5, Komplete 6, Alchemy, PLAY, Vienna Instruments, Spectrasonics, and much more

    INTEL|CORE I7 980X 3.33G, 12G CORSAIR DDR3, SSD 160G|OCZ for OS.






  5. #5

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    AFAIK its true for all plugins or most at least.
    Sharing the load over several instances works great though and i am very happy to have 8 cores so i can run a maximum of parts simultaneously without ever freezing.

  6. #6

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    I don't know about you but I usually avoid freezing by wearing a coat.

    [drums] staga pshhhhhhh [/drums]

  7. #7

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    The buffer size you run at is also important.

    With my Mac Pro (8-core) and Focusrite Saffire Pro 10 interface, I can run sufficient instances (at least for my style of music with no problems with buffer set to 128 samples. If I go to 64 samples, I start to get cracking and CPU spikes.

    Lawrence
    Melodialworks Music
    Music for Relaxation and Inspiration
    www.lawrencelougheed.com


  8. #8

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    It eould be great if Eric chimed in here and let us know if there is any work being done on multiple core usage for Omnisphere - and Trilian for that matter???!!

    Any input Eric?

    Thanks in advance...

    Mac Pro 2.8 GHz 8-core
    14GB Ram
    10.6.2
    RME Fireface 400
    Logic 9.1.1 mainly 64-bit
    Kore 2+Komplete 5/BFD2/Softube/Nomad Factory/T-Racks/Spec's/Amplitubes etc

  9. #9

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    Multicore usage is handled by the host, not the plug-in. So there isn't anything for us to do.

    Make sure you are doing all of the suggestions in this thread and on this page....they make a HUGE difference:

    http://support.spectrasonics.net/omn...ts/page02.html

    The topic is covered very thoroughly there in the Reference Guide.

  10. #10

    Re: OMNISPHERE CPU load reduction- Eric, any advice?

    Thanks for your swift response Eric - I wondered if this was the case.

    Will read up on that section.

    So it's down to Apple then (for Logic users) to decide whether to make changes or not in this department...
    Mac Pro 2.8 GHz 8-core
    14GB Ram
    10.6.2
    RME Fireface 400
    Logic 9.1.1 mainly 64-bit
    Kore 2+Komplete 5/BFD2/Softube/Nomad Factory/T-Racks/Spec's/Amplitubes etc

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