Parallel compilation removed (again) from Quartus II v13.1 Web Edition

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Going for higher frequency, more memory, and a SSD is the way to get a lower compile time, more than multiple cores.

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I just went through this last year, upgrading year 2007 machine to year 2012 machine. The conclusion I reached was that by far the biggest gain is realized through raw CPU and memory speed and that the disk was not a large factor. Short of overclocking and liquid cooling, I think the next noticeable time improvement will only come with investing the labor in incremental compilation and design partitions. "Rapid Recompile" has similarly been disappointing gains.