Hello,

as i want to test the parallel computing i just tried to open a matlabpool with 4 workers on my Intel core i7 running on windows7 32 Bit with the following result:

matlabpool open local 4
Starting matlabpool using the 'local' configuration ... stopped.

??? Error using ==> matlabpool at 127
Failed to start matlabpool.
This is caused by:
You requested a minimum of 4 workers, but the scheduler's ClusterSize property is currently set to allow a maximum of 2 workers. The default value
for ClusterSize with a local scheduler is the number of cores on the local machine. To run a parallel job with more tasks than this, increase the
ClusterSize property setting in the local configuration.

i was just surprised and tried to find the 4 cores with findresource:

findresource

ans =

Local Scheduler Information
===========================

                      Type : local
             ClusterOsType : pc
               ClusterSize : 2

how can i use all 4 cores of my pc?

thanks for any hint

kinor

well.. for ur local scheduler, the number of workers available to schedule is stored as 2. so u have to change that. to do that follow the below..

    go to parallel manu-> manage configuration. it will show the configuration manager dialog box. right click local manager->properties. in the property dialog box go to scheduler tab. then set the number of workers available to schedule as 4(as ur desire). then click ok.. now u can check ur cluster size with the findResource command.
   
    if again it shows the cluster size as 2, then use this command after setting the local configuration property..

    matlabpool open

     then check ur cluster size

kalaiselvi <kalaiselvim@tce.edu> wrote in message <132960583.75588.1297401428635.JavaMail.root@gallium.mathforum.org>...
> well.. for ur local scheduler, the number of workers available to schedule is stored as 2. so u have to change that. to do that follow the below..
> 
>     go to parallel manu-> manage configuration. it will show the configuration manager dialog box. right click local manager->properties. in the property dialog box go to scheduler tab. then set the number of workers available to schedule as 4(as ur desire). then click ok.. now u can check ur cluster size with the findResource command.
>    
>     if again it shows the cluster size as 2, then use this command after setting the local configuration property..
> 
>     matlabpool open
> 
>      then check ur cluster size

Hi Kalaiselvi

that's it!

Thank you very much!

Cheers
kinor

Thanks !! this was very useful


kalaiselvi <kalaiselvim@tce.edu> wrote in message <132960583.75588.1297401428635.JavaMail.root@gallium.mathforum.org>...
> well.. for ur local scheduler, the number of workers available to schedule is stored as 2. so u have to change that. to do that follow the below..
> 
>     go to parallel manu-> manage configuration. it will show the configuration manager dialog box. right click local manager->properties. in the property dialog box go to scheduler tab. then set the number of workers available to schedule as 4(as ur desire). then click ok.. now u can check ur cluster size with the findResource command.
>    
>     if again it shows the cluster size as 2, then use this command after setting the local configuration property..
> 
>     matlabpool open
> 
>      then check ur cluster size