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Displaying 1-11 out of 11 total
Improving HPC Application Performance in Cloud through Dynamic Load Balancing
Found in: 2013 13th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid)
By Abhishek Gupta,Osman Sarood,Laxmikant V. Kale,Dejan Milojicic
Issue Date:May 2013
pp. 402-409
Driven by the benefits of elasticity and pay-as-you-go model, cloud computing is emerging as an attractive alternative and addition to in-house clusters and supercomputers for some High Performance Computing (HPC) applications. However, poor interconnect p...
 
“Cool” Load Balancing for High Performance Computing Data Centers
Found in: IEEE Transactions on Computers
By Osman Sarood,Phil Miller,Ehsan Totoni,Laxmikant V. Kalé
Issue Date:December 2012
pp. 1752-1764
As we move to exascale machines, both peak power demand and total energy consumption have become prominent challenges. A significant portion of that power and energy consumption is devoted to cooling, which we strive to minimize in this work. We propose a ...
 
Parallelizing Information Set Generation for Game Tree Search Applications
Found in: 2012 24th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD)
By Mark Richards,Abhishek Gupta,Osman Sarood,Laxmikant V. Kale
Issue Date:October 2012
pp. 116-123
Information Set Generation (ISG) is the identification of the set of paths in an imperfect information game tree that are consistent with a player's observations. The ability to reason about the possible a history is critical to the performance of game-pla...
 
Assessing Energy Efficiency of Fault Tolerance Protocols for HPC Systems
Found in: 2012 24th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD)
By Esteban Meneses,Osman Sarood,Laxmikant V. Kale
Issue Date:October 2012
pp. 35-42
An exascale machine is expected to be delivered in the time frame 2018-2020. Such a machine will be able to tackle some of the hardest computational problems and to extend our understanding of Nature and the universe. However, to make that a reality, the H...
 
Cloud Friendly Load Balancing for HPC Applications: Preliminary Work
Found in: 2012 41st International Conference on Parallel Processing Workshops (ICPPW)
By Osman Sarood,Abhishek Gupta,Laxmikant V. Kale
Issue Date:September 2012
pp. 200-205
Cloud computing is increasingly being explored as a cost effective alternative and addition to supercomputers for some High Performance Computing (HPC) applications. However, dynamic environment and interference by other virtual machines are some of the fa...
 
Efficient 'Cool Down' of Parallel Applications
Found in: 2012 41st International Conference on Parallel Processing Workshops (ICPPW)
By Osman Sarood,Laxmikant V. Kale
Issue Date:September 2012
pp. 222-231
As we move to exascale machines, both peak power and total energy consumption have become prominent major challenges. There has been a lot of research on saving machine energy consumption for HPC data centers. However, a significant part of energy consumpt...
 
A 'cool' load balancer for parallel applications
Found in: SC Conference
By Osman Sarood,Laxmikant V. Kale
Issue Date:November 2011
pp. 1-11
Meeting power requirements of huge exascale machines of the future will be a major challenge. Our focus in this paper is to minimize cooling power and we propose a technique that uses a combination of DVFS and temperature aware load balancing to constrain ...
 
Temperature Aware Load Balancing for Parallel Applications: Preliminary Work
Found in: Parallel and Distributed Processing Workshops and PhD Forum, 2011 IEEE International Symposium on
By Osman Sarood,Abhishek Gupta,Laxmikant V. Kalé
Issue Date:May 2011
pp. 796-803
Increasing number of cores and clock speeds on a smaller chip area implies more heat dissipation and an ever increasing heat density. This increased heat, in turn, leads to higher cooling cost and occurrence of hot spots. Effective use of dynamic voltage a...
 
Thermal aware automated load balancing for HPC applications
Found in: 2013 IEEE International Conference on Cluster Computing (CLUSTER)
By Harshitha Menon,Bilge Acun,Simon Garcia De Gonzalo,Osman Sarood,Laxmikant Kale
Issue Date:September 2013
pp. 1-8
As we move towards the exascale era, power and energy have become major challenges. Some of the supercomputers draw more than 10 megawatts, leading to high energy bills. A significant portion of this energy is spent in cooling. In this paper, we propose an...
   
Optimizing power allocation to CPU and memory subsystems in overprovisioned HPC systems
Found in: 2013 IEEE International Conference on Cluster Computing (CLUSTER)
By Osman Sarood,Akhil Langer,Laxmikant Kale,Barry Rountree,Bronis de Supinski
Issue Date:September 2013
pp. 1-8
Energy consumption and power draw pose two major challenges to the HPC community for designing larger systems. Present day HPC systems consume as much as 10MW of electricity and this is fast becoming a bottleneck. Although energy bills will significantly i...
   
A 'cool' way of improving the reliability of HPC machines
Found in: Proceedings of SC13: International Conference for High Performance Computing, Networking, Storage and Analysis (SC '13)
By Laxmikant V. Kale, Esteban Meneses, Osman Sarood
Issue Date:November 2013
pp. 1-12
Soaring energy consumption, accompanied by declining reliability, together loom as the biggest hurdles for the next generation of supercomputers. Recent reports have expressed concern that reliability at exascale level could degrade to the point where fail...
     
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