Name
Title | ||
|---|---|---|
Tangle: Route-oriented dynamic voltage minimization for variation-afflicted, energy-efficient on-chip networks |
Abstract | ||
|---|---|---|
On-chip networks are especially vulnerable to within-die parameter variations. Since they connect distant parts of the chip, they need to be designed to work under the most unfavorable parameter values in the chip. This results in energy-inefficient designs. To improve the energy efficiency of on-chip networks, this paper presents a novel approach that relies on monitoring the errors of messages as they traverse the network. Based on the observed errors of messages, the system dynamically decreases or increases the voltage (Vdd) of groups of network routers. With this approach, called Tangle, the different Vdd values applied to different groups of network routers progressively converge to their lowest, variation-aware, error-free values - always keeping the network frequency unchanged. This saves substantial network energy. In a simulated 64-router network with 4 Vdd domains, Tangle reduces the network energy consumption by an average of 22% with negligible performance impact. In a future network design with one Vdd domain per router, Tangle lowers the network Vdd by an average of 21%, reducing the network energy consumption by an average of 28% with negligible performance impact. |
Year | DOI | Venue |
|---|---|---|
2014 | 10.1109/HPCA.2014.6835953 | HPCA |
Keywords | Field | DocType |
within-die parameter variations,network routers,power aware computing,network frequency,tangle approach,variation-afflicted energy-efficient on-chip networks,energy conservation,route-oriented dynamic voltage minimization,multiprocessing systems,negligible performance impact,network energy consumption reduction,parameter value,message error monitoring,steady state,tuning,switches,system on chip | Tangle,System on a chip,Network planning and design,Computer science,Efficient energy use,Real-time computing,Chip,Router,Energy consumption,Traverse | Conference |
ISSN | Citations | PageRank |
1530-0897 | 15 | 0.59 |
References | Authors | |
39 | 4 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Amin Ansari | 1 | 361 | 15.88 |
| Asit K. Mishra | 2 | 1216 | 46.21 |
| Jianping Xu | 3 | 53 | 1.76 |
| Josep Torrellas | 4 | 3838 | 262.89 |