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/* Computational Environment */
== Computational Environment ==
The Mirage III has approximate dimensions (length,wingspan,height) of 15m x 8m x 4.5m. Or, measured in terms of freespace wavelength at 850 MHz, 42.5 lambda λ x 22.66 lambda λ x 12.75 lambdaλ. Thus, for the purposes of [[EM.Tempo]], we need to solve a region of about 12,279 cubic wavelengths. For problems of this size, a great deal of CPU memory is needed, and a high-performance, multi-core CPU is desirable to reduce simulation time.
[https://aws.amazon.com/ Amazon Web Services] allows one to acquire high-performance compute instances on demand, and pay on a per-use basis. To be able to log into an Amazon instance via Remote Desktop Protocol, the [[EM.Cube]] license must allow terminal services (for more information, see [http://www.emagtech.com/content/emcube-2016-licensing-purchasing-options EM.Cube Pricing]). For this project, we used a c4.4xlarge instance running Windows Server 2012. This instance has 30 GiB of memory, and 16 virtual CPU cores. The CPU for this instance is an Intel Xeon E5-2666 v3 (Haswell) processor.
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