Combo Remapper - use score text and symbols to switch articulations
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Logic 9 Logic 9.1.3. CPU spikes problem

Discussion in 'Logic 9' started by kogstudio, Dec 21, 2010.

  1. kogstudio

    kogstudio New Member

    Hey there

    Just wondering if anyone can help.

    I'm getting CPU spikes on logic sessions [i.e. from 1 or 2 bars on the CPU meter, to near full bars in a quick jump and then down to 1 or 2 bars again].
    The HDD bar goes in sync from 1 bar to say 4 or 5 bars.

    Often it also spikes to the maximum and then playback stops with an error saying not enough processing [-10011]

    I'm only playing back 20 audio track with no plugins on them, and recording in on 6 stereo tracks [24 bit 44.1K]. If I stop the recording of the stereo tracks and just play the recorded signal with the other tracks the problem still occurs

    The buffer size selected doesn't make a difference to this spiking (or how much it raises) whether it is at 64 samples or 1024 samples.
    Process buffer was set at medium or large
    Logic is using ~1.9 Gig of memory
    Tried in 32 and 64 bit mode, no difference

    Computer specs
    Hardware Overview:

    Model Name: Mac Pro
    Model Identifier: MacPro1,1
    Processor Name: Dual-Core Intel Xeon
    Processor Speed: 2.66 GHz
    Number Of Processors: 2
    Total Number Of Cores: 4
    L2 Cache (per processor): 4 MB
    Memory: 9 GB
    Bus Speed: 1.33 GHz
    Boot ROM Version: MP11.005C.B08
    SMC Version (system): 1.7f10

    Hard drives - ran off internal 7200 SATA drive and Firewire 800 and no difference to the CPU spiking problem [i.e. the same]

    Any help much appreciated
     
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