Using multiple kernels at the same time?

[zhenyuzeng]

Hello,

Two years ago, when I used Mathematica, it seemed I could run multiple kernels at the same time. For example, one notebook would use one kernel, and five notebooks could each use a different kernel. But now, in version 14, it seems only one kernel can be used. Is this the case for you as well? Why was this limitation introduced?

Thanks.

[ahmed (Ahmed Elbanna)]

This can be achieved by creating new kernels and assign every notebook to one of them. All can be done using the Evaluation tab menu

[zhenyuzeng]

Yes. We can add kernels by “Kernel Configuration Options”. When use three different kernels at the same time, there is the error of