The Leading Source for Global News and Information Covering the Ecosystem of High Productivity Computing
November 25, 2009
As is the usual case with the annual Supercomputing Conference, the HPC community manages to generate about six months worth of news in the span of five days. That makes for an fun-filled event, but since both journalists and readers have limited bandwidth, there's only so much real-time coverage that can be crammed into a week. Before SC09 recedes too far in the rear-view mirror, it's probably worth recapping some of the news connected to the big trends that emerged at the conference.
GPUs: Here, There, and Everywhere
Of the 60-odd press releases delivered at SC09, at least 15 of them were related to GPU computing, starting with NVIDIA's announcement of its new Fermi-based Tesla-20 series products, which we covered in some depth last week. But there were plenty of other GPU developments at the show, too, including China's GPU-CPU "Tianhe" supercomputer making it into the number 5 position on the TOP500; Japan's 3 petaflop TSUBAME 2.0 Fermi-equipped super scheduled for deployment in October 2010; and the announcement of a new GPU computing collaboration network.
Besides those developments, Penguin Computing added GPU computing to its HPC on-demand service, while PGI and CAPS launched new GPU compiler offerings, and TotalView and Allinea promised GPU debugging support in future products.Microway, Velocity Micro, AccelerEyes, TeamHPC, and even Mellanox also had new GPU computing-related product to talk about.
And that's really just a slice of the GPU stories at the show. The startling aspect to all this activity is that there is little actual production work taking place on GPU-accelerated clusters today. Most of the current deployments are still in the experimental stage. But with the more HPC-capable Fermi GPUs from NVIDIA coming online next year, and with the software ecosystem maturing apace, expect to see production systems start to ramp up in 2010.
InfiniBand Mojo
Speaking of maturing ecosystems, 10 Gigabit Ethernet seems to be picking up steam from both adapter and switch vendors. Despite that, in the HPC space InfiniBand continues to expand its footprint. On the latest TOP500 list, there is exactly one 10 GigE deployment, compared to 181 InfiniBand-connected systems. And although those systems are still in the minority -- most TOP500 machines are still GigE-connected -- that's up from 141 systems just a year ago.
TOP500 systems are not really typical though. Last year, InterSect360 Research reported that 60 percent of the systems they surveyed that were installed since the beginning of 2007 deployed with InfiniBand. A November 2008 survey by IDC found 30 percent of the systems they surveyed had InfiniBand, leading GigE, with 27 percent, and 10 GigE, with 14 percent. All indicators point to continued InfiniBand dominance in high performance computing.
At SC09, InfiniBand leader Mellanox announced its MPI offload technology, which allocates some of the interprocessor communication work to its ConnectX-2 HCA, leaving the CPU free to do more application work. The company also previewed its 120 Gbps per port InfiniBand switch hardware, scheduled for general release in the first half of next year. Meanwhile rival QLogic announced new agreements with SGI, HP, and IBM as it tries to edge into the IB business of Voltaire and Mellanox. Not to be left out, Sun Microsystems also announced a couple of new QDR switches at SC09.
Now that their are four vendors in the IB space (and two of them with their own ASICs), the switch and adapter offerings are more diverse than ever. With QLogic there to counterbalance Mellanox, expect to see even more innovation and more price competition in the months and years ahead.
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