The '''CAD and Visualization Laboratory''' or '''CVL''' is a computer lab running mainly [[w:CentOS|CentOS]] machines maintained by the [[Bradley Department of Electrical and Computer Engineering]]. It is located in 432 [[Whittemore Hall]]. Access is through a keypad, the number to which can be obtained through official channels from ECE systems administrator [http://search.vt.edu/search/person.html?person=1181337 Branden McKagen]. Disk quotas are enforced when home folders become unreasonably large, unless you have a good reason to need the space. The lab contains nine workstations (most with CentOS, a Core 2 Duo, 4 GB of memory, and dual monitors), a printer, and a microscope. The CVL cluster is available via ssh to account holders on <code>cvl.ece.vt.edu</code> and has MPI, MATLAB, Cadence, and other software installed.

Printer== Physical Resources in the CVL ==The lab in 432 Whittemore Hall contains: * 9 workstations (<code>cvlwsXX.ece.vt.edu</code>), most of which have CentOS, Core 2 Duo, 4 GB memory, and dual monitors* A printer available at <code>socket://172.16.12.1</code> (only accessible from machines behind the CVL router). This uses the Dell M5210 Foomatic/Postscript driver, which is available in <code>/software/Dell_5210n.ppd</code> on CVL machines.* A microscope

Driver== Compute Clusters ==* 16-node old cluster** Each has Intel(R) Pentium(R) D CPU 3.00GHz CPUs, 8 GBytes RAM, 1 Gbit/sec ethernet ** Remote access available through ssh to <code>cvl.ece.vt.edu</code>. Individual nodes are <code>cvlXX.ece.vt.edu</code>** MPI is installed, qsub can be used to parallelize things* 32-node blade cluster** 16 nodes with 2x Quad-Core AMD Opteron(tm) Processor 2350 2GHz, 20 GBytes RAM, 1 Gbit/sec ethernet (<code>cluster[01-16]</code>)** 16 nodes with 2x Quad-Core (8 threads) Intel(R) Xeon Processor E5620 2.40 GHz, 24 GBytes RAM, 1Gbit/sec ethernet (<code>cluster[17-32]</code>)** This cluster does not have global IPv4 addresses, so you must ssh into other machines first to access this.* Both clusters use a shared file storage system and central authentication, so home directories will persist between nodes. For larger jobs, the [http: Dell M5210 Foomatic/Postscript/www.arc.vt.edu Advanced Research Computing] machines may be more appropriate.