Then that code is assembled and linked by LTspice for execution. Another important technique introduced at that time was code generation that generates an assembly listing optimized for your circuit. That s when we developed a means to dynamically adjust each threads cache size to stochastic cool the threads to keep the work load spread evenly. The problem was that the LTspice object code had been so optimized (much had already been implemented in optimized assembly language) that it didn t take very many microseconds per timestep and that was a short time compared to how well one can synchronize multiple threads. The biggest recent advance in LTspice was when it went multi-threaded in We found it easy to distribute the computations over multiple cores but challenging to make the simulation actually run faster. It let me implement a number of numerical methods that make LTspice better than traditional SPICE programs: a new numerical integration method, node reduction, a native circuit element that behaves like a power MOSFET, and new time step size control to name a few. I appreciate his work writing this book and hope you benefit from his labors. 1 THE LTSPICE IV SIMULATOR THE LTSPICE IV SIMULATOR MANUAL, METHODS AND APPLICATIONS GILLES BROCARD MANUAL, METHODS AND APPLICATIONS Preface by Mike Engelhardt 1 st edition 1 st edition Swiridoff Verlag ISBN:Ģ Preface It is an honor to write a preface for Gilles Brocard.
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