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MaxMSP CPU at 103% level without doing nothing !!

May 16 2010 | 8:37 pm

can someone please help me to understand why the MaxMSP activity is so high (103 % of CPU usage dixit Activity Monitor) without doing anything : even if no patch is loaded .
Can it be a configuration (preferences) issue ?
or may it be due to a very old extensions or externals somewhere in my file preference option ? If yes how can I clean my database up ?

thanks for help

my configuration :
Model Name: MacBook Pro
Model Identifier: MacBookPro2,2
Processor Name: Intel Core 2 Duo
Processor Speed: 2.33 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 3 GB
Bus Speed: 667 MHz

May 16 2010 | 9:00 pm


strandely, i had some trouble with cpu usage these days too (max 5.1.4).
my patch was running randomly fine/heavy cpu (163%), with a "relatively small" jitter patch. no idea what went on…

i use the same config.


May 17 2010 | 5:51 pm

Max 5.1.3 for mine
I have also Max4Live installed (if that does matter)

May 19 2010 | 6:22 pm

no help ?


May 20 2010 | 9:12 am

well if you can provide a patch here, this could be better.
i personally can’t…


May 22 2010 | 6:56 am

Thanks G for your support ,
for now I have disconnected my huge "database" folder in which I think there are very old extensions and externals that are surely disturbing ?
Now the cpu usage of Max/MSP is normally low (around 7%) when nothing is running .
Then I have to check one by one all the packages in that database and I’ll find the culprit ;-)
I’ll report here if that can help.

thx again

May 22 2010 | 6:57 am

here is a view of that database


  1. Screen_shot_2010-05-22_at_8.56.44_AM.jpg


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Forums > MaxMSP