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Optimal Test Access Mechanism Scheduling using Preemption and Reconfigurable Wrappers
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för datavetenskap, ESLAB - Laboratoriet för inbyggda system.
Computer Design and Test Lab. Nara Inst. of Science and Technology.
2002 (engelsk)Annet (Annet (populærvitenskap, debatt, mm))
Abstract [en]

In this paper, we show that the scheduling of tests on the test access mechanism (TAM) is equal to independent job scheduling on identical machines and we make use of an existing preemptive scheduling algorithm producing an optimal solution in linear time. We extend the algorithm to handle (1) test conflicts due to interconnection tests and (2) cases when a test limits an optimal usage of the TAM by using reconfigurable core test wrappers. Our extensions preserve the production of an optimal solution in respect to test time and minimizes the number of wrapper configurations and also the TAM usage at each core, which implicitly minimizes the TAM routing. Experiments with our implementation shows its efficiency in comparison with previous approaches.

sted, utgiver, år, sider
Guam, USA: Workshop on RTL and High Level Testing , 2002.
Emneord [en]
test access mechanism, test wrappers, TAM routing
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-23399Lokal ID: 2841OAI: oai:DiVA.org:liu-23399DiVA, id: diva2:243713
Tilgjengelig fra: 2009-10-07 Laget: 2009-10-07 Sist oppdatert: 2018-01-13

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