What is the Main Difference between Simulink Desktop Real Time and Simulink Real Time Kernels?

What is the main difference (advantages / disadvantages) between Simulink Desktop Real-Time (SLDRT) kernel and Simulink Real-Time(SLRT) kernels? Do we use both of the for real-time (External Mode) applications, i.e. PID-Control? or not.

Answer 1

[Jon Lobo]

Simulink Desktop Real-Time (SLDRT) kernel is installed with the desktop OS (Mac or Windows). It is limited to using a single cpu core. Simulink Real-Time (SLRT) kernel runs on a dedicated computer so it will be able to leverage multicore platforms.

They are both able to use external mode type features (tunable parameters etc). The I/O offerings are slightly different (SLRT supports use of FPGAs).

Answer 2

[Stefanie Schwarz]

Please see the following MATLAB Answers Post:

https://www.mathworks.com/matlabcentral/answers/536419-what-are-the-differences-between-simulink-real-time-slrt-and-simulink-desktop-real-time-sldrt-an