Affiliation:
1. Embedded Systems Lab (ESL), EPFL, Lausanne, Switzerland
2. IMEC, Leuven, Belgium
Abstract
Recent process technology advances trigger reliability issues that degrade the Quality-of-Service (QoS) required by embedded Systems-on-Chip (SoCs). To maintain the required QoS with acceptable overheads, we propose OCEAN, a novel cross-layer error mitigation.
OCEAN
enforces on-chip SRAMs reliability with a fault-tolerant buffer. We utilize this buffer to protect a portion of the processed data used to restore from runtime error. We optimally select the buffer size to minimize the energy overhead, with timing and area constraints.
OCEAN
achieves full error mitigation with 10.1% average energy overhead compared to base-line operation that does not include any error correction capability, and 65% energy savings, compared to a cross-layer error mitigation mechanism.
Funder
EC FP7 FET SCoRPiO project (no. 323872)
BodyPoweredSenSE RTD project (no. 20NA21_143069) evaluated by the Swiss NSF
Nano-Tera.ch with Swiss Confederation financing
joint research grant for ESL-EPFL by IMEC
Publisher
Association for Computing Machinery (ACM)
Subject
Hardware and Architecture,Software
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