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Supercomputing

Homebrew Cray-1 140

egil writes "Chris Fenton built his own fully functional 1/10 scale Cray-1 supercomputer. True to the original, it includes the couch-seat, but is also binary compatible with the original. Instead of the power-hungry ECL technology, however, the scale model is built around a Xilinx Spartan-3E 1600 development board. All software is available if you want to build one for your own living room. The largest obstacle in the project is to find original software."

Comment Re:Whose job is that? (Score 1) 393

*sigh* maybe it's just trying not to state the obvious. I hope.

Of course the reason to invest in open source development is to create an offering which will drive sales - of services or products. For this to succeed, your open source offering needs to be enticing enough to pull potential customers into your ecosystem, and your commercial offering must be enticing enough to generate sales. Having your stuff out there as open source has numerous side benefits, but that's the beef - it must drive sales into your direction.

Open source is primarily a sales strategy, with side benefits.

Comment Re:Multiply by 3 or 8 (Score 1) 483

Back in the day when our company was young, the CEO used the formula (my analysis x pi). That was also eerily accurate - but the thing was, I eventually learned that my estimate was how long will it take to _make the software_. Add considerations for spec reviews, testing, and general fuzz - stuff you need to build a deliverable product - and the times-pi gives a really good calendar time estimate.

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