Improving Throughput of Power-Constrained Many-Core Processors Based on Unreliable Devices

Using slightly less device-level redundancy than is necessary to make all processor cores defect free actually makes cores smaller, faster, and more power efficient. Under the same power and yield constraints, a carbon nanotube processor with less device-level redundancy can provide 1.75x higher throughput, while also being nearly 2x smaller than a similar processor that has more device-level redundancy and makes all cores defect free.