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Titan Tops Top500 Supercomputing List
miller60 writes "The new Top500 list of the world's most powerful supercomputers is out, and the new champion is Titan, the new and improved system that previously ruled the Top500 as Jaguar. Oak Ridge Labs' Titan knocked Livermore Labs' Sequoia system out of the top spot, with a Linpack benchmark of more than 17 petaflops. Check out the full list, or an illustrated guide to the top 10."
2013 Calendar full of naked supercomputers displaying their petaflops!
Do it yourself, because no one else will do it yourself. [beta blockade 10-17 Feb]
Obligatory "Crysis Max Settings" joke.
The Internet King? I wonder if he could provide faster nudity.
NASA/Stennis Space Center, Mississippi. Used to be in the top 10. they have fallen way behind.
Sorry to be pedantic, but "petaflops a second" is redundant -- FLOPS means "floating-point operations per second."
more than 17 petaflops a second.
Wait... 17 petaflop per second per second?! How long can it keep that up?
Quadrillions of operations per second per second? So these machines only do scalar operations? I thought Linpack was a matrix test =)
There are 4 boxes to use in the defense of liberty: soap, ballot, jury, ammo. Use in that order. Starting now.
look at it this way: if they hadn't split their acquisition into 2 separate 391 (Rpeak) TFLOPS systems, they'd probably be good enough for #36.
Between all the time it takes to upgrade these beasts, and the time spent running proper benchmarks, how much time is available to run actual jobs?
Wadda ya mean, "actual jobs?"
They just built this to run Crysis 3.
"with a Linpack benchmark of more than 17 petaflops a second"
Supercomputers calculate on an accelerating performance curve now?
It ships with Compute Node Linux, which is a cut down (lower overhead) version of SLES. It supports several schedulers, but ORNL typically uses Altair PBS on the big systems (http://www.cray.com/Products/XK/Software.aspx). ORNL provides a large number of compilers and libraries that users can use in the form of 'modules' (http://www.olcf.ornl.gov/support/user-guides/titan-user-guide/). And in terms of scheduling/partitioning, the user just requests a specific number of nodes when they submit a job, and they get those nodes to themselves for the allotted time. It's pretty low-impact on the compute nodes, and less exciting than you might think. They don't put much emphasis on the software when reporting on these machines, because it's stripped down as much as possible to allow the user applications to run at peak performance.
would have made it onto the June 2000 supercomputer list, and would have made 2nd place in the June 1993 list, both with the CPU alone. At least if Dongarra wrote the Linpack code :-)
2.3 GHz, 4 cores, 256 bit vector registers, one add + one multiply per cycle throughput = 73.6 GFlop/s theoretical limit; with hyperthreading one should get quite close to that limit. Top 500 in June 2000 was only 44 GFlop/s, 2nd place in June 1993 was 30 GFlop/s.
does it run Linux?
If you follow the links in the article you will see that they all run Linux, or a Linux variant.
Bah!
Are we in a race to see just how fast we develop AI that will kick our asses? Skynet or the Forbin Project seem to be the goal.
The mind conceives, the body achieves, the spirit manifests.
Bear in mind, part of it has to do with *how* cores are counted. I wasn't at the top500 announcement this year (didnt have the time to head to SLC for a week, wish I did), so I can't speak to if they discussed it, but at previous SC top500 announcements in the past few years they've stressed the difficulty in reconciling core counts between GPUs and CPUs, including (last I heard) settling on a 4:1 GPU vector procs:cpu equivalent ratio for NVIDIA cards.
"goodbye and hello, as always" ~Prince Corwin, from Zelazny's Amber series
The obvious question "which are running Linux" is almost impossible to answer. Are they sponsored by Microsoft? However, you can use the "sublist" feature to make a list of the first 500 computers and limit to "Linux" as operating system. The list contains 469 entries, and the first number that is missing from this list is "38".
Huh.
So while it will refuse to actually show the OS, the sublisting feature makes it able to wrestle it out indirectly.