Funding

This research is/was supported in part by the Gigascale Sytems Research Center (funded under FCRP, an SRC program), the National Science Foundation under Grants NSF CCF 05-41383, CNS 07-20743, CCF 08-11693, and NGS 04-06351, and an OpenSPARC Center of Excellence supported by Sun Microsystems. Pradeep Ramachandran is supported by an Intel PhD fellowship and an IBM PhD Scholarship, and Xin Fu is supported by NSF Computing Innovation fellowship.