Dynamic power saving in fat-tree interconnection networks using on/off links Export

@inproceedings{citeulike:3365590, abstract = {Current trends in high-performance parallel computers show that fat-tree interconnection networks are one of the most popular topologies. The particular characteristics of this topology, that provide multiple alternative paths for each source/destination pair, make it an excellent candidate for applying power consumption reduction techniques. Such techniques are being increasingly applied in computer systems and the interconnection network is not an exception, since its contribution to the system power budget is not negligible. In this paper, we present a mechanism that dynamically switches on and off network links as a function of traffic. The mechanism is designed to guarantee network connectivity, according to the underlying routing algorithm. In this way, the default routing algorithm can be used regardless of the power saving actions taken, thus simplifying router design. Our simulation results show that significant network power consumption reductions can be obtained at no cost. Latency remains the same although the number of operating network links is dynamically adjusted.}, author = {Alonso, M. and Coll, S. and Martinez, J. M. and Santonja, V. and Lopez, P. and Duato, J.}, booktitle = {Parallel and Distributed Processing Symposium, 2006. IPDPS 2006. 20th International}, citeulike-article-id = {3365590}, citeulike-linkout-0 = {http://dx.doi.org/10.1109/IPDPS.2006.1639599}, citeulike-linkout-1 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1639599}, doi = {10.1109/IPDPS.2006.1639599}, journal = {Parallel and Distributed Processing Symposium, 2006. IPDPS 2006. 20th International}, keywords = {consumption, energy, green, internet, network, snmpproject}, pages = {8 pp.+}, posted-at = {2008-10-02 09:45:47}, priority = {3}, title = {Dynamic power saving in fat-tree interconnection networks using on/off links}, url = {http://dx.doi.org/10.1109/IPDPS.2006.1639599}, year = {2006} }

TY - CONF ID - citeulike:3365590 L3 - citeulike-article-id:3365590 N2 - Current trends in high-performance parallel computers show that fat-tree interconnection networks are one of the most popular topologies. The particular characteristics of this topology, that provide multiple alternative paths for each source/destination pair, make it an excellent candidate for applying power consumption reduction techniques. Such techniques are being increasingly applied in computer systems and the interconnection network is not an exception, since its contribution to the system power budget is not negligible. In this paper, we present a mechanism that dynamically switches on and off network links as a function of traffic. The mechanism is designed to guarantee network connectivity, according to the underlying routing algorithm. In this way, the default routing algorithm can be used regardless of the power saving actions taken, thus simplifying router design. Our simulation results show that significant network power consumption reductions can be obtained at no cost. Latency remains the same although the number of operating network links is dynamically adjusted. JF - Parallel and Distributed Processing Symposium, 2006. IPDPS 2006. 20th International TI - Dynamic power saving in fat-tree interconnection networks using on/off links T2 - Parallel and Distributed Processing Symposium, 2006. IPDPS 2006. 20th International SP - 8 pp. KW - consumption KW - energy KW - green KW - internet KW - network KW - snmpproject AU - Alonso, M AU - Coll, S AU - Martinez, JM AU - Santonja, V AU - Lopez, P AU - Duato, J PY - 2006/// UR - http://dx.doi.org/10.1109/IPDPS.2006.1639599 ER -