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Virgina Tech’s faster ‘Big Mac’ System X supercomputer aims for top-ten world ranking
Tuesday, October 26, 2004 - 08:29 AM EDT

"Virginia Tech's recently rebuilt Mac supercomputer has squeezed out a few more teraflops, but it probably won't be able to keep its top-five world ranking. Released Tuesday, the 12.25-teraflops benchmark would put System X in fourth place in the world ratings, but it will probably be surpassed by new supercomputers from NASA, IBM and others," Leander Kahney reports for Wired News. "The new top 500 list will be released in November at the SuperComputing 2004 conference in Pittsburgh. The Mac-based System X was rated the third-fastest machine on the planet last November."

"Jack Dongarra, a computer science professor at University of Tennessee and one of the compilers of the top 500 list, said System X may fall even further. 'It's not clear it will be in the top 10 for the next list,' he said," Kahney reports. "System X is still the fastest academic supercomputer, but will likely get bumped into sixth or seventh position by bigger -- and much more expensive -- machines, Varadarajan said. 'We expect to be in the top 10,' said Varadarajan. 'Where, we don't know. Top five is not possible, probably. We really don't know where we'll show up. There's always an October surprise. Last year, we were the October surprise. This year, it will probably be someone else. Every year, someone pops up.'"

Kahney reports, "Varadarajan said System X is still the cheapest supercomputer by a very large margin. Varadarajan said competing systems cost $20 million and up, compared to System X's approximately $5.8 million price tag ($5.2 million for the initial machines, and $600,000 for the Xserve upgrade)."

Full article here.

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Reader feedback page 1 of 1 pages:
Oct 26, 04 - 09:39 am Comment from: cedreca

C/Net would say: "see I told you it's just a toy!".

Any way you look at it is great for an academic institution! Any way you look at it Apple rocks, Windows sucks!

Oct 26, 04 - 09:45 am Comment from: Follower

Where can I buy this System X? Is it an application that runs under OS X?

Maybe I'll just buy a machine with Microsoft Doors instead.

Oct 26, 04 - 09:48 am Comment from: Chomper

The fact this things cost's at least a 75% LESS and still provides some great performance speaks a lot.

Oct 26, 04 - 09:55 am Comment from: iSteve

It is still #1 on the list of teraflops per dollar!

Oct 26, 04 - 10:19 am Comment from: feeze

Well if they wanted to really be in the top 5 they could just add more computer to the cluster, I'm sure they could buy a few Xserves for $10 - 15 million dollars and still be in the same price range as other machines wink

Oct 26, 04 - 10:24 am Comment from: webbyswim

when will the Army's Mach 5 be up and running? if i remember correctly - they were shooting for 20+ teraflops.

that would put it in the top 5 now. could that be the october surprise? i haven't heard much news on this lately.

Oct 26, 04 - 10:27 am Comment from: eric

feeze,

One supercomputer that will be faster than them by a long shot will be Mach 5, that simulates hypersonic flight of missiles for the U.S. Army. It's also an XServe cluster. It very well could be in the top three at 25+ teraflops.

Oct 26, 04 - 10:49 am Comment from: theloniusMac

I'm building one in the vacant cave under my house. When it's finished, you will all fear the name THELONIUS MAC!

BWA ha ha ha ha ha ha ha ha ha....

Now. Where's that Panther disk.

Oct 26, 04 - 10:52 am Comment from: king_alvarez

Speaking of the Mach 5...
For the sake of discussion, what does everything think would happen if the U.S. missile testing was done using Windows XP?

Oct 26, 04 - 11:02 am Comment from: theloniusMac

"...For the sake of discussion, what does everything think would happen if the U.S. missile testing was done using Windows XP?..."

I thought it was done using Iraq?

Oct 26, 04 - 11:18 am Comment from: G5Man...

Moot point but I think it was actually the Navy that bought the 1500+ Xserves for their supercomputer.

But then again...I could be wrong; I'm not Thurrott after all. wink

Oct 26, 04 - 11:56 am Comment from: mac dood

for the c/net take on this ..click here

Oct 26, 04 - 11:57 am Comment from: webbyswim

no, it was the Army. they were hoping to be running at @ 15 teraflops this fall, which would surpass System X. i it was a 1564 unit system - so about 3000+ nodes?

i just have not heard any recent news. nothing since august at least.

Oct 26, 04 - 03:56 pm Comment from: Follower

Duh. Never post first thing in the morning. I didn't remember that System X was the name of the project, and thought that CNet was getting the name of OS X wrong. I guess no one cared enough to point out my stupidity.

Oct 26, 04 - 04:41 pm Comment from: moiety5

I was going to give you the benefit of the doubt, stupid. grin

Oct 26, 04 - 04:48 pm Comment from: Pointer Outter

Actually follower I was just on may way to correct you... but then saw you already did. wink

Oct 26, 04 - 08:55 pm Comment from: Thorpedo

Sorry to repost but in case you missed the details I posted in the other thread, the new configuration has quite good scaling (99%) with the extra hundred processors and extra Ghz ..

Old config:
Apple G5 dual 2.0 GHz IBM Power PC 970s, Infiniband 4X primary fabric,
Cisco Gigabit Ethernet secondary fabric
2200 processors
Rmax=10280
Nmax=520000
N1/2=152000
Rpeak=17600 (i.e. 2200*2.0GHz*4 ops)
Rmax/Rpeak=58.4%

New config (presumably):
Apple G5 dual 2.3 GHz IBM Power PC 970s,
Infiniband 4X primary fabric,
Cisco Gigabit Ethernet secondary fabric
2300 processors
Rmax=12250
Nmax=? (probably similar to former numbers)
N1/2=? (probably similar to former numbers)
Rpeak=21160 (i.e. 2300*2.3GHz*4 ops)
Rmax/Rpeak=57.9%

Pretty cool! I daresay better numbers are possible if the high speed interconnections can be improved.

How System X/BigMac/Whatever performs on other benchmarks/codes would be interesting. In my experience some supercomputers have better general performance (in a robust sense than others) e.g. compare a Fujitsu VPP300 vector machine versus a shared memory machine such as a SGI Power Challenge. The latter machine while much slower at Linpack was easier to optimize for codes that were not so trivially vector oriented.

Well, since there are many kinds of scientific problems worth solving, the more competition and variety in supercomputerland the better! Bring it on! 8-)

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