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CHAMPAIGN --The Linux Clusters Institute (LCI) will hold its seventh workshop March 24-28 at the National Center for Supercomputing Applications (NCSA) on the campus of the University of Illinois, Urbana-Champaign. Registration is limited and will close Feb. 24. To register, go to http://www.linuxclustersinstitute.org/ and click on "register." LCI workshops are intensive, hands-on sessions aimed at computational scientists, engineers, and Linux cluster system administrators. Computational scientists and engineers learn to develop applications that achieve maximum performance and scalability on Linux clusters of all sizes. System administrators learn about issues related to administering Linux clusters that support secure, reliable, high-performance computing. For prospective users of Linux clusters, the workshops offer a detailed introduction to configuring, acquiring, and using Linux clusters. Each LCI workshop spans a full week and consists of two modules: *Two days covering systems administration/management issues *Three days devoted to scientific and technical application development and optimization The systems module of the workshop covers such topics as network administration, job scheduling, account management, security, backup, monitoring tools, and tools and scripts for common tasks. The application module includes topics such as Intel Architecture details, memory subsystem and cache tuning, CPU tuning (including SSE/Vectorization), distributed memory optimization using MPI, graphical debugging with TotalView, multithreaded code optimization, hardware performance toolkit, MPI tracing tools, and dynamic instrumentation tools. Each module will be limited to 20 participants. A second person from the same institution can also participate by sharing a workstation at a much-reduced cost. In addition, the NCSA workshop will focus on scientific visualization using Linux and Linux clusters. The visualization session will cover the advantages of visualization, visualization hardware and software requirements, how to set up a visualization laboratory, and software installation. The LCI is a partnership founded by NCSA, the High Performance Computing, Education, and Research Center (HPCERC) at the University of New Mexico, and the Advanced Computing Technology Center (ACTC) at the IBM Watson Research Center. The LCI provides education and advanced technical training to the worldwide high-performance computing community for the deployment and use of Linux-based computing clusters.