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RTI-MP

For graphical setup of multiprocessor structures

The multiprocessor option for Real-Time Interface (RTI-MP) supports multiprocessor and multicore systems based on dSPACE‘s modular hardware and helps increase the performance of real-time simulations.

  • Interprocessor interrupts for synchronized tasks across several CPUs
  • Graphical setup of multiprocessor systems within Simulink®

Application Areas

The multiprocessor option for Real-Time Interface (RTI-MP) supports multiprocessor and multicore systems based on dSPACE‘s modular hardware and helps increase the performance of real-time simulations. It assists in setting up multiprocessor networks, including the communication channels. Multicore applications are configured in the same way as multiprocessor applications.

Working with RTI-MP

RTI-MP lets you partition your system model and allocate the parts to the processors or cores by using simple drag & drop operations. Each processor submodel can be adjusted individually for optimum performance, including step sizes, integration algorithms and trigger conditions. After specification, you can implement your model on the processor boards with a single mouse click. Build procedures can also be automated with the help of scripts.

RTI-MP for dSPACE Simulator

RTI handles any kind of continuous-time, discrete-time, and multirate system. Depending on the I/O hardware, different channels of the same I/O board can be used with different sample rates, and even in different subsystems. RTI supports asynchronous events and lets you set task priorities and task overrun strategies for executing the interrupt-driven subsystems. It also supports time-triggered tasks and timetables, which let you implement tasks and groups of tasks with variable or predefined delay times in relation to an associated trigger event. This makes task handling in your model very flexible. In addition, RTI offers checks that help avoid double or improper use of channels.

Benefits

RTI-MP offers a maximum of convenience to accomplish tasks such as:

  • Partitioning the system for optimum processor load
  • Defining interprocessor communication channels
  • Producing the communication code for a network of several processors or cores

System dynamics can be designed in Simulink. 

Functionality Description
Partitioning the Simulink® model
  • Adding Simulink blocks for model partitioning via drag & drop
  • Generating highly optimized real-time simulation engine and communication code
  • Support of triggered subsystems distributed over multiple processors or cores
  • Full support of interprocessor interrupts
Optimizing speed and accuracy
  • Integration algorithm and step size specific to each processor and core
  • Single/multitasking mode
  • Swinging buffer or shared memory communication mechanism for each individual connection
  • Interprocessor communication at different sampling rates
Testing and documenting
  • Documentation of entire multiprocessor setup
Implementing the model on multiprocessor or multicore hardware
  • Automatic code generation for one processor or complete system
  • Download and start with a single click
  • Data acquisition with time stamps
  • Profile information for communication channels for optimizing the partitioning
Communication mechanisms
  • Communication via high-speed optical connection (Gigalink) enabled
  • Asynchronous data transfer in shared memory mode
  • Synchronized and unsynchronized block data transfer in swinging buffer mode
  • Buffering and unbuffering of data via communication connection

Real-Time Interface (RTI) Automatic implementation of MATLAB®/Simulink®/Stateflow® models on dSPACE hardware Compiler Generates executable object code for dSPACE processing hardware DS1006 Processor Board Processing hardware for very complex, processing-intensive models, and for use in laboratories DS1007 PPC Processor Board Processing hardware with high computing power combined with fast I/O access MicroLabBox Hardware Compact prototyping unit for the laboratory
Further Information Related Topics