Saurabh Kumar Garg Chee Shin Yeo Arun Anandasivam Rajkumar Buyya Energy-Efficient Scheduling of HPC Applications in Cloud Computing Environments http://arxiv.org/abs/0909.1146 2009 CoRR abs/0909.1146 db/journals/corr/corr0909.html#abs-0909-1146 informal publication