White Papers

Call-Chain Software Instruction Prefetching in J2EE Server Applications

Overview This paper presents a detailed characterization of instruction cache performance for IBM's J2EE-enabled web server, WebSphere Application Server (WAS). When running two J2EE benchmarks on WebSphere, they find that instruction cache misses cause a 12% performance penalty on current-generation Power5-based multiprocessor systems. To mitigate this performance loss, they describe a new call-chain based algorithm for inserting software prefetch instructions, and evaluate its potential for improved instruction cache performance. The performance of this algorithm depends on the selection of several independent parameters which control the distance and number of prefetches inserted for a particular method.

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Publisher
University of California
File Format
PDF
Date Published
Nov 29, 2008
Format
White Papers
Topics
J2EE, Application Servers, Programming Languages

University of California White Papers

Stateless Load Balancing Over Multiple MPLS Paths

Stateless Load Balancing Over Multiple MPLS Paths

The paper proposes a flow-independent approach to balance the load coming from several multimedia applications (i.e., IP

Publisher: University of California  |  Tags: applications, ip, mpls, network

Escape From the Computer Lab: Education in Mobile Wireless Networks

Escape From the Computer Lab: Education in Mobile Wireless Networks

As mobile wireless network technology becomes widespread, the importance of education about this new form of communicati

Publisher: University of California  |  Tags: computing, mobile wireless, mobility, network, portable devices, university of california

Parallel Spectral Clustering Algorithm for Large-Scale Community Data Mining

Parallel Spectral Clustering Algorithm for Large-Scale Community Data Mining

The spectral clustering algorithm has been shown to be very effective in finding clusters of non-linear boundaries. Unfo

Publisher: University of California

Directed Diffusion for Wireless Sensor Networking

Directed Diffusion for Wireless Sensor Networking

Advances in processor, memory and radio technology will enable small and cheap nodes capable of sensing, communication a

Publisher: University of California  |  Tags: data, network

Mesh Topology Construction for Interconnected Wireless LANs

Mesh Topology Construction for Interconnected Wireless LANs

The 802.11s working group has been formed recently to recommend an Extended Service Set (ESS) that enables wider area co

Publisher: University of California  |  Tags: network