What is the difference between controlling and computational kernels?

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I have just dowloaded Mma 11.3 with a trial licence. In the download page you can see:



enter image description here



That I can use 2 controlling kernels and 4 computing kernels.



What is the difference between controlling and computational kernels?










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    Have a look here.
    – b.gatessucks
    Sep 9 at 8:30















up vote
4
down vote

favorite












I have just dowloaded Mma 11.3 with a trial licence. In the download page you can see:



enter image description here



That I can use 2 controlling kernels and 4 computing kernels.



What is the difference between controlling and computational kernels?










share|improve this question

















  • 1




    Have a look here.
    – b.gatessucks
    Sep 9 at 8:30













up vote
4
down vote

favorite









up vote
4
down vote

favorite











I have just dowloaded Mma 11.3 with a trial licence. In the download page you can see:



enter image description here



That I can use 2 controlling kernels and 4 computing kernels.



What is the difference between controlling and computational kernels?










share|improve this question













I have just dowloaded Mma 11.3 with a trial licence. In the download page you can see:



enter image description here



That I can use 2 controlling kernels and 4 computing kernels.



What is the difference between controlling and computational kernels?







kernel






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share|improve this question











share|improve this question




share|improve this question










asked Sep 9 at 8:25









mattiav27

2,03211429




2,03211429







  • 1




    Have a look here.
    – b.gatessucks
    Sep 9 at 8:30













  • 1




    Have a look here.
    – b.gatessucks
    Sep 9 at 8:30








1




1




Have a look here.
– b.gatessucks
Sep 9 at 8:30





Have a look here.
– b.gatessucks
Sep 9 at 8:30











1 Answer
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In practice, the number of "controlling kernels" means how many instances of Mathematica you can run.



"Computing kernels" is how many subkernels may run when using Parallel... operations, i.e. how many CPU cores you can make use of.



Here's the explanation from Wolfram:



  • http://support.wolfram.com/kb/36293





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    up vote
    3
    down vote













    In practice, the number of "controlling kernels" means how many instances of Mathematica you can run.



    "Computing kernels" is how many subkernels may run when using Parallel... operations, i.e. how many CPU cores you can make use of.



    Here's the explanation from Wolfram:



    • http://support.wolfram.com/kb/36293





    share|improve this answer
























      up vote
      3
      down vote













      In practice, the number of "controlling kernels" means how many instances of Mathematica you can run.



      "Computing kernels" is how many subkernels may run when using Parallel... operations, i.e. how many CPU cores you can make use of.



      Here's the explanation from Wolfram:



      • http://support.wolfram.com/kb/36293





      share|improve this answer






















        up vote
        3
        down vote










        up vote
        3
        down vote









        In practice, the number of "controlling kernels" means how many instances of Mathematica you can run.



        "Computing kernels" is how many subkernels may run when using Parallel... operations, i.e. how many CPU cores you can make use of.



        Here's the explanation from Wolfram:



        • http://support.wolfram.com/kb/36293





        share|improve this answer












        In practice, the number of "controlling kernels" means how many instances of Mathematica you can run.



        "Computing kernels" is how many subkernels may run when using Parallel... operations, i.e. how many CPU cores you can make use of.



        Here's the explanation from Wolfram:



        • http://support.wolfram.com/kb/36293






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Sep 9 at 8:57









        Szabolcs

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