Obama sets $126M for next-gen supercomputing
computerworld.com
computerworld.com
"IBM won a $244 million DARPA contract in November 2006 to develop a petascale supercomputer."
http://healthland.time.com/2011/02/11/coming-soon-the-100-mi...
Meg Whitman could have either had a sweet robotic arm or a super computer for the cost of a failed political campaign.
That kind of spending has an anti-democratic vibe to it.
NCSA's Blue Waters is $208m and 10 petaflops, its scheduled to go online by June 30 2011. http://en.wikipedia.org/wiki/Blue_Waters
You've already figured it out, sadly.
Exascale computing presents major technical problems. See the short note by Peter Kogge in IEEE Spectrum, http://spectrum.ieee.org/computing/hardware/nextgeneration-s..., and the 2008 DARPA report, http://www.er.doe.gov/ascr/Research/CS/DARPA%20exascale%20-%... .
The problems scaling traditional supercomputers into the exascale range are many and include, for example, the fact that that current computers require about 1.5 to 4 MW/PF.
The US used 61 billion kilowatt-hours of power for data centers and servers in 2006. That's 1.5 percent of all US electricity use, and it cost the companies that paid those bills more than $4.5 billion. This is expect to double by 2011. http://spectrum.ieee.org/computing/hardware/nextgeneration-s... A BOE computation says that if we were to simply scale petaflop computers to a single exascale cluster the power consumption would be 4GW, or roughly 10% of all US electricity used in the US in 2006.
Clearly computation on this scale is not a priority or the real money is elsewhere.
Alright, who here watched Watson on Jeopardy and now thinks what ever 1,000 times more powerful computer they build will have strong-AI?
http://www.scribd.com/doc/13863110/The-Unreasonable-Effectiv...
(Wow, that analogy ended up a little more disturbing than I'd intended.)
So we have weapons assemblies that are degrading every day and we need to ensure that they work (i.e., they detonate when instructed to and more importantly fail to detonate when NOT commanded to). Physical inspection and retrofitting is extremely difficult because the assemblies were not designed for that. So the only option left is massive simulation. Which is what Lawrence Livermore and the other national labs do. China's got nothing to do with it. Without supercomputers, the US lacks an effective nuclear deterrent (or at least, confidence that it has an effective deterrent).
Well that's the key isn't it. The only effective way to use nuclear weapons is to "not" use them. They could just as easily just release a few press-releases saying "oh yeah, we checked it out and these things totally still work", and almost as if by magic, they would continue to work.
I mean, the national labs that are charged with ensuring the safety and reliability of the nuclear stockpile are not some tiny 5-man operation in the middle of nowhere; we're talking about thousands of people working an hour away from San Francisco, very much plugged into the local university and tech scene.