Dynamic Voltage Scaling with Links for Power Optimization of Interconnection Networks Export

@article{citeulike:3856568, abstract = {Originally developed to connect processors and memories in multicomputers, prior research and design of interconnection networks have focused largely on performance. As these networks get deployed in a wide range of new applications, where power is becoming a key design constraint, we need to seriously consider power efficiency in designing interconnection networks. As the demand for network bandwidth increases, communication links, already a significant consumer of power now, will take up an ever larger portion of total system power budget. In this paper, we motivate the use of dynamic voltage scaling (DVS) for links, where the frequency and voltage of links are dynamically adjusted to minimize power consumption. We propose a history-based DVS policy that judiciously adjusts link frequencies and voltages based on past utilization. Our approach realizes up to 6.3X power savings (4.6X on average). This is accompanied by a moderate impact on performance (15.2\% increase in average latency before network saturation and 2.5\% reduction in throughput.) To the best of our knowledge, this is the first study that targets dynamic power optimization of interconnection networks.}, address = {Los Alamitos, CA, USA}, author = {Shang, Li and Peh, Li S. and Jha, Niraj K.}, booktitle = {High-Performance Computer Architecture, 2003. HPCA-9 2003. Proceedings. The Ninth International Symposium on}, citeulike-article-id = {3856568}, citeulike-linkout-0 = {http://doi.ieeecomputersociety.org/10.1109/HPCA.2003.1183527}, citeulike-linkout-1 = {http://dx.doi.org/10.1109/HPCA.2003.1183527}, citeulike-linkout-2 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1183527}, doi = {10.1109/HPCA.2003.1183527}, issn = {1530-0897}, journal = {High-Performance Computer Architecture, International Symposium on}, keywords = {dynamic-voltage-scaling, energy-analysis, interconnect}, pages = {91--102}, posted-at = {2009-09-10 12:09:26}, priority = {2}, publisher = {IEEE Computer Society}, title = {Dynamic Voltage Scaling with Links for Power Optimization of Interconnection Networks}, url = {http://dx.doi.org/10.1109/HPCA.2003.1183527}, volume = {0}, year = {2003} }

TY - JOUR ID - citeulike:3856568 L3 - citeulike-article-id:3856568 N2 - Originally developed to connect processors and memories in multicomputers, prior research and design of interconnection networks have focused largely on performance. As these networks get deployed in a wide range of new applications, where power is becoming a key design constraint, we need to seriously consider power efficiency in designing interconnection networks. As the demand for network bandwidth increases, communication links, already a significant consumer of power now, will take up an ever larger portion of total system power budget. In this paper, we motivate the use of dynamic voltage scaling (DVS) for links, where the frequency and voltage of links are dynamically adjusted to minimize power consumption. We propose a history-based DVS policy that judiciously adjusts link frequencies and voltages based on past utilization. Our approach realizes up to 6.3X power savings (4.6X on average). This is accompanied by a moderate impact on performance (15.2% increase in average latency before network saturation and 2.5% reduction in throughput.) To the best of our knowledge, this is the first study that targets dynamic power optimization of interconnection networks. JF - High-Performance Computer Architecture, International Symposium on SN - 1530-0897 AD - Los Alamitos, CA, USA EP - 102 TI - Dynamic Voltage Scaling with Links for Power Optimization of Interconnection Networks PB - IEEE Computer Society VL - 0 T2 - High-Performance Computer Architecture, 2003. HPCA-9 2003. Proceedings. The Ninth International Symposium on SP - 91 KW - dynamic-voltage-scaling KW - energy-analysis KW - interconnect AU - Shang, Li AU - Peh, Li AU - Jha, Niraj PY - 2003/// UR - http://dx.doi.org/10.1109/HPCA.2003.1183527 ER -