Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults

Caroline Concatto; Erika Cota; Marcelo Lubaszewski; Pedro Almeida; Fernanda Kastensmidt; Marcos Herve

doi:10.1109/IOLTS.2009.5195984

I
IOLTS
2009
2009 15th IEEE International On-Line Testing Symposium
Abstract - Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults

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2009 15th IEEE International On-Line Testing Symposium

Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults

Sesimbra-Lisbon, Portugal

June 24-June 26

ISBN: 978-1-4244-4596-7

	ASCII Text	x
	Caroline Concatto, Pedro Almeida, Fernanda Kastensmidt, Erika Cota, Marcelo Lubaszewski, Marcos Herve, "Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults," 11th IEEE International On-Line Testing Symposium, pp. 61-66, 2009 15th IEEE International On-Line Testing Symposium, 2009.

	BibTex	x
	@article{ 10.1109/IOLTS.2009.5195984, author = {Caroline Concatto and Pedro Almeida and Fernanda Kastensmidt and Erika Cota and Marcelo Lubaszewski and Marcos Herve}, title = {Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults}, journal ={11th IEEE International On-Line Testing Symposium}, volume = {0}, year = {2009}, isbn = {978-1-4244-4596-7}, pages = {61-66}, doi = {http://doi.ieeecomputersociety.org/10.1109/IOLTS.2009.5195984}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - 11th IEEE International On-Line Testing Symposium TI - Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults SN - 978-1-4244-4596-7 SP61 EP66 A1 - Caroline Concatto, A1 - Pedro Almeida, A1 - Fernanda Kastensmidt, A1 - Erika Cota, A1 - Marcelo Lubaszewski, A1 - Marcos Herve, PY - 2009 VL - 0 JA - 11th IEEE International On-Line Testing Symposium ER -

Caroline Concatto, PPGC - PGMICRO - Instituto de Informática, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Pedro Almeida, PPGC - PGMICRO - Instituto de Informática, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Fernanda Kastensmidt, PPGC - PGMICRO - Instituto de Informática, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Erika Cota, PPGC - PGMICRO - Instituto de Informática, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Marcelo Lubaszewski, PPGC - PGMICRO - Instituto de Informática, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

Marcos Herve, PPGC - PGMICRO - Instituto de Informática, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/IOLTS.2009.5195984

We propose a fault tolerance method for torus NoCs capable of increase the yield with minimal performance overhead. The proposed approach consists in detecting and diagnosing interconnect faults using BIST structures and activating alternative paths for the faulty links. Experimental results show that alternative fault-free paths are found by the dynamic routing for 95% of the diagnosed faults (stuck-at and pairwise shorts within a single link or between any two links).

Citation:

Caroline Concatto, Pedro Almeida, Fernanda Kastensmidt, Erika Cota, Marcelo Lubaszewski, Marcos Herve, "Improving yield of torus nocs through fault-diagnosis-and-repair of interconnect faults," iolts, pp.61-66, 2009 15th IEEE International On-Line Testing Symposium, 2009

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