Sondrel modelling flow cuts ASIC modelling time from months to days


Modelling tools are available as standard items from leading vendors but what Sondrel does is to wrap the vendor’sofferings with its own custom flow. The vendor’s tools arelimited in terms of automation and ways that they can be adjusted but Sondrel’s new modelling flow tool adds a framework with a much greater number of settings that can be tweaked by the Sondrel Systems Architect who is working on the project.

This is added using hooks into the vendor’ssoftware that are provided for this very purpose. Typically, users create customisation wrappers that are specific to the designs that they work on if not already present in a library of an evergrowing number of such wrappers.

However, because Sondrel works on a wide variety of projects for a plethora of customers, it has defined a methodology and flows that areunique and broader in scope so that they can be used for almost any architectural exploration project.

The biggest benefit of the modelling flow’s dramatic reduction in the time it takes to create a model and run simulations, is that Sondrel can provide customers with data on the likely performance of a proposed ASIC in a matter of few days to determine if the architecture proposed gives an appropriate set of numbers.

If not, it is very easy and quick to run variants of the model simply by changing the settings of the existing model to decide which is the best one for the customer’s application usecase. Running each variation takes anywhere between a few minutes to an hour, so the whole process of model creation and running variants can still be done in the same timeframe.

For comparison, converging on a candidate architecture without Sondrel’s modelling flow tool would rely heavily on static spreadsheet modelling which would take several weeks and then each variant of the model to evaluate different architectures would each take weeks as each variant model would have to be created from scratch. Overall, that could total a number of months.





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