
1 Release N otes for R2008a
Simulation Performance
• Improved Rapid Accelerator sim command performance w hen running long
simulations of small models on Windows platforms
• Additional zero-crossing algorithm with adaptive detection and adjustable
threshold limits improves simu l ation performan ce
Component-Based Modeling
• Accelerator mode now supports an unlimited number of referenced models
on all platforms, including 32-bit Windows
• Improved model compilation time when using models refere nced in
accelerator mode by rebuilding parent models only when the interface to a
referenced model changes
Embedded MATLAB™
• Support for nontunable MATLAB structure parameters in Em bedded
MATLAB F unction blocks
Data Management
• Enhanced Data Type Assistant display of status and details of fixed-point
data type
• Enhanced signal range checking for both real and imaginary parts of a
complex number
• Enhanced Bus Editor importing/exporting of data from MAT-files and
M-files, defining bus elements with the Data Type Assistant, and expanding
bus hierarchies
• Simulink Editor graphical indication of signals that must resolve to signal
objects
• In models with asynchronous function calls, correct assignment of generic
sample times instead of trigge red sample times by some virtu al blo cks
• Changes to nontunable parameters during simulation ignored, matching
the behavior in generated code
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