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Having been mysteriously spared all these memory headaches others have had, I think I finally got caught. I'm noticing Logic's memory footprint growing by leaps and bounds, for no apparent reason.
In a fresh template I just finished, it uses around 700 MB real memory when loaded. So I import a QT movie, save a new screenset with it, locate to a few markers and mute/unmute a stereo temp (audio) track. Logic is now using 1.02 GB. I haven't edited or moved anything, haven't opened any plugins - all I've done is what I just described.
What gives?!? All my big samplers (Kontakt, Play, VSL) are running outside Logic via IAC MIDI - all I have in the song are a bunch of empty MIDI tracks, my EXS sampler tracks, some audio input strips and auxes with Space Designers on them. Nothing's even recorded yet!
I also noticed memory "mushrooming" while I was building this template; after simply renaming a few dozen empty tracks, Logic would be sucking up about 300 MB more (real) RAM. This is NOT good. BTW, I keep my undo level set at 10 and I ALWAYS delete undo history just before saving.
Back in 10.5.6 Logic 8.0.2 I could get up past 3 GB of real RAM usage and work all day long without a glitch. Now in 10.6.2 and Logic 9.1 I've finally seen the dreaded "memory is running low" message, but with only 1.02 GB real ram usage (~700 MB virtual)?
I suppose I could use 64-bit mode since I'm not using any 3rd party stuff in the writing phase, but then I'm afraid I couldn't open the sessions back in 32-bit mode when necessary...
Grrrrr...
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