[LiSa] CPU load issues

Robert van Heumen robert at steim.nl
Thu Apr 24 16:49:29 CEST 2008


One more thing: just closing the junXion main window (so not  
minimizing, but really closing) also reduces the CPU use.
I actually never open it, as it's closed whenever I start junXion by  
default.
Robert




On 24 apr 2008, at 16:37, Ivo Bol wrote:
> Robert,
>
> Thanks for the tips. Also limiting the "maximum amount of sensor/ 
> device"
> in the preference pane helps a bit. Unchecking "Enable non-joystick
> devices" helps a lot more but causes one of my joysticks (TRUST SIGHT
> FIGHTER) not to be recognised. In any case, applying your advice, an  
> new
> empty JunXion setup asks for around 15 percent of CPU, Setups that  
> have
> some programming ask for a lot more. Maximising the JunXion windows  
> causes
> it to jump to 100 percent (even more than 100 occasionally..?!) in my
> computer, seems a lot.  If I get time I will rebuild my necessary  
> patches
> in the newest version of JunXion, see if that helps, and mabey  
> reinstall
> my OS...don't feel much like doing that but mabey that helps. If  
> anyone
> has more info on JunXion behavior with tiger versus Leopard I  
> appreciate
> it.
>
> Ivo
>
>> Hello all.
>>
>> Early 2008 STEIM added junXion support for Wiimotes and Audio Input.
>> With this new version of junXion some users experienced higher CPU
>> loads. Here are some tips concerning these issues:
>>
>>     * When setting the amount of Wii Inputs in junXion's preferences
>> to 1 or more, junXion will constantly check if a Wii tries to sync
>> with it, thus using extra CPU time. If you are not using a Wii in  
>> your
>> setup, set this preference to 0.
>>     * When the Audio Inputs are enabled in junXion's Preferences, the
>> program is continuously analyzing the audio source's input signal,
>> getting an audio envelope signal and pitch detection signal per  
>> input.
>> This eats up considerable CPU time, so if you are not using audio
>> inputs, disable this setting.
>>     * When you are not using the Quicktime synth, disable it, since
>> it will also save you some CPU time.
>>     * In general, when you have 'analog' input sensors connected to
>> Actions that send out MIDI continuous control data, make sure to  
>> check
>> the 'only send changes' box in the Action's 'output event' pane. This
>> will thin out the MIDI data stream considerable, thus saving you
>> valuable bandwidth and keeping it more relaxed for your Midi  
>> receiving
>> application.
>>
>> Hopefully this is helpfull to some of you.
>>
>> Best,
>> Robert
>>
>> ## Robert van Heumen ##
>> ## http://steim.nl/ http://hardhatarea.com/ ##
>>
>>
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