Technical Papers 

Pain Killers for the Fixed-Point Design Flow
In this article the challenges of different fixed-point design flows are presented, such as using native integral data types of the host machine to represent fixed-point data, or to use dedicated fixed-point types along with their operations and casting modes. The advantages and disadvantages of these flows are discussed, and how System Studio’s fast fixed-point optimization manages to combine the best of these two approaches to a solution that offers both, high simulation speed and excellent support for modeling and debugging.
Holger Keding, Ph.D., Corporate Application Engineer, Synopsys GmbH, Germany

Pain Killers for the Fixed-Point Design Flow (Chinese)
Download Chinese-translated version
Holger Keding, Ph.D., Corporate Application Engineer, Synopsys GmbH, Germany

Speeding up System Studio Simulations
This article describes how to speed up a System Studio simulation. Runtime performance analysis or profiling will be used to measure how much simulation time is consumed by each model instance in a System Studio design. This will let you zero in on those parts of your design that consume the most CPU time. The new profiling feature built into System Studio Debugging Solutions will be introduced. Then a brief comparison to general software profilers, such as IBM Rational® Quantify™, GNU gprof, Valgrind/Callgrind and Intel® VTune™, so that an informed choice can be made of what tool to use in different situations. The remainder of the article is focused on how to apply the profiling feature to a simple example and how to interpret the results.
Petri Solanti, Synopsys Finland Oy and Markus Wloka, Synopsys GmbH, Germany



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