CPU usage in ableton raise 2x times (OS X)

Discussion in 'Digital Audio' started by NoroHadzi, Mar 8, 2011.

  1. NoroHadzi macrumors newbie

    Mar 8, 2011
    hello... i just started ableton yesterday and my projects which uses about 20-25 percent CPU now use about 40 percent (without changing any VSTs, Samples)... i was checking mine activity monitor and theres no other programs run which use too much CPU or RAM. Do anybody have idea what could cost it?
    i tried this thinks: software Cocktail, Disk Warrior, Cleanmymac, reset pram nvram, repair disc permissions and it didnt help., reinstaling CoreAudio Drivers
    I was not installing any software except gfxCardStatus and nVIdia Cuda drivers (for chancing GPU - i tried uninstal it , thats not problem)

    im running OS X 10.6.6 on macbook pro (mid 2010) with 2.66 Ghz intel i7 processor, HDD 5400 rotation rate,
    m-audio fast track pro with 512 buffer size, 44.1 sample rate
    Ableton Live 8.2.1

    only weird think i notice that can cost it, its maybe Macbook temperature, it goes about 70-80 °C when i work in ableton (or maybe its normal?) and that when i open project, cpu shows about 17-20 percent usage without playing sound (stopped playback).

    (sorry for my bad english) i hope somebody can help me
  2. Plumbstone macrumors regular


    Feb 6, 2007
    You're probably best off asking on the ableton forums really.

    40% seems pretty normal though and should still allow you to do plenty of work, is it causing you any problems?
  3. NoroHadzi thread starter macrumors newbie

    Mar 8, 2011

    40% its ok, but project that was using before 40%, now use about 70%, and thats a lot, if i will continue working on it i will be soon on 100% (becouse now every instrument use 2x more cpu)....

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