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» Power and performance optimization at the system level
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HPCC
2007
Springer
15 years 4 months ago
Optimizing Array Accesses in High Productivity Languages
One of the outcomes of DARPA’s HPCS program has been the creation of three new high productivity languages: Chapel, Fortress, and X10. While these languages have introduced impro...
Mackale Joyner, Zoran Budimlic, Vivek Sarkar
CORR
2010
Springer
131views Education» more  CORR 2010»
14 years 10 months ago
Ergodic and Outage Performance of Fading Broadcast Channels with 1-Bit Feedback
In this paper, the ergodic sum-rate and outage probability of a downlink single-antenna channel with K users are analyzed in the presence of Rayleigh flat fading, where limited cha...
Bo Niu, Osvaldo Simeone, Oren Somekh, Alexander M....
PVLDB
2008
98views more  PVLDB 2008»
14 years 9 months ago
Performance profiling with EndoScope, an acquisitional software monitoring framework
We propose EndoScope, a software monitoring framework that allows users to pose declarative queries that monitor the state and performance of running programs. Unlike most existin...
Alvin Cheung, Samuel Madden
ICC
2009
IEEE
179views Communications» more  ICC 2009»
15 years 4 months ago
Distributed Power Control for Interference-Limited Cooperative Relay Networks
— In this paper, a distributed power control algorithm is proposed for wireless relay networks in interference-limited environments. The objective is to minimize the total transm...
Sheng Zhou, Hongda Xiao, Zhisheng Niu
GLOBECOM
2009
IEEE
14 years 7 months ago
Optimizing Training-Based Transmission for Correlated MIMO Systems with Hybrid Feedback
Abstract--In this paper, we consider multiple-input multipleoutput (MIMO) communication systems with combined channel covariance feedback (CCF) and channel gain feedback (CGF), her...
Xiangyun Zhou, Tharaka A. Lamahewa, Parastoo Sadeg...