Press Releases 2018 ()

Precise, Fast, and Parallel Simulation

The simulation solutions of IPG Automotive’s CarMaker product family enable virtual test driving with high-performance computing clusters

As the complex technologies required for advanced driver assistance systems and automated driving functions in particular call for extensive validation tests, the test effort in vehicle development has risen significantly. Given that development departments cannot cover all test cases with real test drives, virtual test driving is increasingly coming to the fore. Due to the variety of potential test scenarios, solutions are in demand that run as many test drives as possible in the shortest time achievable with concentrated computing power. The new release 7.0 of the simulation solutions of IPG Automotive’s CarMaker product family now enables the parallel simulation on several processors or rather processor cores using high-performance computing (HPC) clusters.

For tests of advanced driver assistance systems, and especially for the release of highly automated driving functions, a vast number of test kilometers is necessary to cover any conceivable traffic situation. In the case of Google’s self-driving car project and the relevant test cases, for instance, more than three million miles are simulated every day, which roughly corresponds to 4.8 million kilometers, or circling the equator five times per hour. These complex calculations can only be managed by drawing on the capacity of large data centers. Using HPC, it is possible to run tests even faster thanks to distributed computing on high-performance computers. Vehicle development requires the validation of a multitude of scenarios. Using such high-performance computers to test these brings a massive reduction of computing time and thus major savings in time and costs.

The open integration and test platform CarMaker by IPG Automotive has two qualities that are indispensable for a simulation environment to be suitable for large-scale parallelization and thus for HPC: stability and performance. “This requires a software architecture that accommodates the requirements and the setup of HPC clusters. With the release 7.0, CarMaker enables the parallelization of test catalogs with one scenario per CPU core,” Andreas Höfer, Product Manager at IPG Automotive, explained about the new product feature.

For straightforward parallel computing on a workstation with several CPU cores, CarMaker offers the “HPC Light” mode, enabling engineers to simultaneously test new functions in a variety of scenarios with little investment of time. As a result, users can achieve major savings in time even when working on common workstation computers or laptops. For more complex computer architectures and larger numbers of cores, HPC in its original sense is made possible using a scheduler. A cloud-based solution can also be implemented as an alternative to the conventional HPC options. This solution involves running jobs on an external infrastructure, offering high flexibility at a relatively low organizational effort since own hardware is not required.

More information can be found on our website under Products and Services/Simulation Software as well as on our YouTube channel.

 

 

Using CarMaker on high-performance computing clusters, users benefit from an increase in computing power while simultaneously running a very high number of tests. (c) IPG Automotive

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