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| GPUs Storm Into NASA’s Climate Simulations Posted: 07 Oct 2011 09:48 AM PDT NVIDIA GPU technology isn't just for gamers; it will soon help make your local weather forecast more accurate. NASA meteorologists in the Goddard Sciences and Exploration Directorate are leveraging GPU computing technologies to create more accurate global climate models – and is the focus of today’s CUDA Spotlight. Scientist Bill Putman's team has dramatically improved the amount of information from NASA's Goddard Earth Observing System atmospheric general circulation model version 5 (GEOS-5) thanks to GPUs.
Most climate models in use today are only capable of resolutions of 100 to 200 km. This level of resolution limits the ability to model cloud-system behaviors, and requires that these models essentially make approximations (also known as "parameterization") of cloud-system convection currents and other movements. Simulating climate interactions is no easy task – just ask your local weatherman. GEOS-5, on the other hand, has the power to simulate cloud-systems at much finer resolutions. Combined with GPU acceleration, Bill expects to be able to resolve cloud systems down to 3.5 km. At this level, NASA can examine direct representations of convection behaviors rather than rely on deep convective parameterization. Ordinarily, such a model would require hundreds or thousands of CPU cores. Enter the GPU. Putman says, "GPU computing presents an opportunity to improve the efficiency of these leading edge Earth system simulations." Bill goes on to explain that GPU acceleration will make it possible to bring some of the power of GEOS-5 to academic researchers who only have access to "a small box of GPUs." Next stop: more accurate local weather predictions using GPU computing. Stay tuned. | ||
| GeForce LAN 6 – One Week To Go, More BYOC Seats Posted: 06 Oct 2011 02:10 PM PDT Heads-up, gamers and gamettes – we will be kicking off our three-day GeForce LAN 6 event next Friday, Oct. 14th, on the USS Hornet aircraft carrier in Alameda, Calif. About two weeks ago, we saw our first batch of BYOC (Bring Your Own Computer) tickets sell out in less than two hours. A lot of news has come out since we first opened registration, so I'd like to share some of these developments with you. First, due to the generosity of sponsors Falcon Northwest, EVGA and Systemax, we are releasing a FINAL batch of BYOC and L33T seat tickets on Thursday October 6th at 9:00 PM Pacific Time. These seats are guaranteed to go quickly, so make sure to set your alarm and head over to our GF LAN 6 registration page here tonight. Second, if you didn't get a BYOC ticket but still want to attend, you can purchase a $20 General Admission pass. This pass doesn't give you a reserved seat but it does allows you to visit the USS Hornet for all three days, and participate in Battlefield 3 tournaments and contests. You'll also gain access to the GF LAN 6 opening ceremonies Friday evening, hosted by NVIDIA CEO Jen-Hsun Huang, and our special guest, DICE's rendering architect Johan Andersson. Those of you not attending GeForce LAN 6 will miss out on a chance to bid on an awesome gaming PC assembled by the folks at PDXLAN with donated parts from EVGA, Patriot, Seagate, Danger Den and Antec. All proceeds from the auction will be matched dollar-for-dollar by the NVIDIA Foundation and will benefit the Child's Play charity. Remember, you can purchase your General Admission pass at the door or sign up via our online registration portal, which closes this Friday, October 7th. And, don't forget that our final batch of BYOC tickets will go on sale at 9PM, October 6th via our our online registration portal. Get ready for a long weekend of no sleep, fun contests, and playing Battlefield 3 on an historical aircraft carrier. I hope you can make it! |
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