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Over the past decade, platforms at Los AlamosNational Laboratory (LANL) have experienced large increases in complexity and scale to reach computational targets. The changes to the compute platforms have presented new challenges to the production monitoring systems in which they must not only cope with larger volumes of monitoring data, but also must provide new capabilities for the management, distribution,...
This paper proposes the design of hierarchical piecewise-affine (PWA) controllers to alleviate the processing time or prohibitive memory requirements of large controller structures. The constituent PWA modules of the hierarchical solution have fewer inputs and/or coarser partitions, so that they can reduce considerably the hardware resources required and/or the time response of the controller. A design...
In addition to functional simulation for validation of hardware/software designs, there are additional robustness requirements that need advanced simulation techniques and tools to analyze the system behavior in the presence of faults. In this paper, we present the design of a fault injection framework for LEON3, a 32bit SPARC CPU based system used by the European Space Agency, described at Transaction...
Several traditional VHDL fault injection mechanisms like mutants or saboteurs have been adapted to SystemC model descriptions. The main drawback of these approaches is the necessity of source code modification to carry out the fault injection campaigns. In this paper, we propose the use of Dynamic Binary Instrumentation (DBI) to insert binary transaction saboteurs in SystemC TLM models. DBI is a technique...
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