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» Application performance on the Direct Access File System
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130
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TCOM
2008
106views more  TCOM 2008»
15 years 5 months ago
Walsh coded training signal aided time domain channel estimation for MIMO-OFDM systems
This letter proposes a novel Walsh coded training signal design and decoding method to estimate the channel response in MIMO-OFDM systems. The Walsh coded training signals, designe...
Hyoung-Goo Jeon, Hyoung-Kyu Song, Erchin Serpedin
128
Voted
WWW
2007
ACM
16 years 5 months ago
Improving the Performance of Online Auctions Through Server-side Activity-based Caching
Online auction sites have very specific workloads and user behavior characteristics. Previous studies on workload characterization conducted by the authors showed that i) bidding a...
Daniel A. Menascé, Vasudeva Akula
148
Voted
ICPADS
2006
IEEE
15 years 11 months ago
The Impact of Information Availability and Workload Characteristics on the Performance of Job Co-allocation in Multi-clusters
In this paper, we utilize a bandwidth-centric job communication model that captures the interaction and impact of simultaneously co-allocating jobs across multiple clusters. We ma...
William M. Jones, Walter B. Ligon III, Nishant Shr...
PVLDB
2010
204views more  PVLDB 2010»
15 years 3 months ago
Cheetah: A High Performance, Custom Data Warehouse on Top of MapReduce
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
Songting Chen
ASPLOS
2010
ACM
15 years 10 months ago
An asymmetric distributed shared memory model for heterogeneous parallel systems
Heterogeneous computing combines general purpose CPUs with accelerators to efficiently execute both sequential control-intensive and data-parallel phases of applications. Existin...
Isaac Gelado, Javier Cabezas, Nacho Navarro, John ...