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12th IEEE European Test Symposium (ETS'07)
On the Automatic Generation of Test Programs for Path-Delay Faults in Microprocessor Cores
Freiburg, Germany
May 20-May 24
ISBN: 0-7695-2827-9
P. Bernardi, Politecnico di Torino, Italy
M. Grosso, Politecnico di Torino, Italy
E. Sanchez, Politecnico di Torino, Italy
M. Sonza Reorda, Politecnico di Torino, Italy
Delay testing is mandatory for guaranteeing the correct behavior of today?s high-performance microprocessors. Several methodologies have been proposed to tackle this issue resorting to additional hardware or to software self-test techniques. Software techniques are particularly promising as they resort to Assembly programs in normal mode of operation, without requiring circuit modifications; however, the problem of generating effective and efficient test programs for path-delay fault detection is still open. This paper presents an innovative approach for the generation of path-delay self-test programs for microprocessors, based on an evolutionary algorithm and on ad-hoc software simulation/hardware emulation heuristic techniques. Experimental results show how the proposed methodology allows generating suitable test programs in reasonable times.
Citation:
P. Bernardi, M. Grosso, E. Sanchez, M. Sonza Reorda, "On the Automatic Generation of Test Programs for Path-Delay Faults in Microprocessor Cores," ets, pp.179-184, 12th IEEE European Test Symposium (ETS'07), 2007
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