Big Mac Officially Ranks 3rd 357
An anonymous reader noted that
according to Wired, it will be announced officially on Monday the Big Mac supercomputer is the third-fastest super-computer. The article also talks about some of the amazing supercomputers in the planning stages. The sort of stuff that will make Big Mac look like that old TI-85 collecting dust in your drawer.
I'm still using my TI85.... (Score:3, Funny)
Re:I'm still using my TI85.... (Score:2)
I only have a TI-83+ (Score:2)
Re:I'm still using my TI85.... (Score:3, Funny)
Re:I'm still using my TI85.... (Score:2)
Re:I'm still using my TI85.... (Score:3, Funny)
Egad,
-'fester
Kudos to the Mac (Score:4, Interesting)
Simon
Its also the CHEAPEST (Score:5, Interesting)
Now this system is the cheapest of the top 10. its cheaper than many it beat by a factor fo ten (more than that considering some of the building infrastructure are in that figure). Even more interesting these were stock mac at full price loaded with DVD-roms, firewire, blue tooth, the OS, etc..---not some stripped down model.
Its a good bet too that this thing is going to have lower maintainence costs and higher up-time given the macs attention to cooling, the use of high quality hard drives and power supplies, and high end memory chips. (on our cluster a tenth that size we blew 60 hard drives in the first 6 months and had to replace 10% of the motherboards.
Re:Its also the CHEAPEST (Score:3)
Most of the 1984 macs still run! I heard stories on slashdot about Apple laser suddenly not working. Upon inspection the guy found an old macII with an inch of dust on it hidden behind a bookcase. Running since 1987 and forgotten untill recently when the nic failed. Heheh
How many of you have old 486's or pentium's that still run? Mine have old died.
But a mac will run forever.
Re:Its also the CHEAPEST (Score:2)
Re:Its also the CHEAPEST (Score:2)
I do, I do!
I have an old 486, it still works fine. I leave it off most of the time, simply because it's just not useful to me. It runs a recent LFS system (maybe a year old). Slow as hell, of course, but I think it's impressive that a very recent version of linux is running on an old 486. That impresses me, just try running XP on it
Re:Apples and Oranges (Score:5, Informative)
You definitely could not do that with Opteron or Xeon systems. VT was in negotiations about price and delivery time with Dell and Apple. Apple beat out Dell's prices (shocking!!!).
Also, the G5 makes a great cluster computer. It comes standard with gigabit ethernet and has very easy access to parts (no screws required to install anything).
Finally, the Apples make a good cluster because in 5 years or so when they disassemble it they have 1,100 really nice desktop machines. PC's need to be upgraded more often to serve as a desktop computer (that's why Macs have awesome resale value compared with PCs).
Re:Its also the CHEAPEST (Score:2, Informative)
None of the Beige G3's that our company is still running (24/7) have blown a single fan. Compared to our Dells (blown motherboards, power supplies, and fans), and even our Suns (two of which are making some very bad fan noise because the bearings are about shot)--which our macs outnumber handily-- they're virtually indestructible.
Re:Its also the CHEAPEST (Score:5, Informative)
Have you seen a G5? And do you know why your typical fans fail? Could it be perhaps because they are undersized, underpowered, cheap fans being pushed to their limits to try and brute force enough air churning around to keep your system cool? The G5s have a properly engineered case with a specific path for airflow, and abundant, high-quality fans mounted on rubber shock absorbers to dampen vibration. I suspect that these fans will have few problems. And if they do, won't it be a painful process to replace them: unlatch side panel, remove plastic airflow enclosure panel, put hand on fan assembly, slide out, slide in new fan assembly. Click, done. I wish my servers were that easy to replace things on.
Cheap hard drives? Yeah, sure, whatever. They use Seagate Serial-ATA drives. I don't know about you, but Seagate stopped fitting into my definition of 'cheap and crappy' about 8 years ago.
I have never dealt with ECC memory, so I grant you that point, however.
Re:Its also the CHEAPEST (Score:4, Informative)
Re:Its also the CHEAPEST (Score:3, Informative)
Re:Its also the CHEAPEST (Score:3, Interesting)
The Earth Simulator is #1 on the Top 500 list as seen here [top500.org]. Quote taken from here [wired.com].
Re:Kudos to the Mac (don't forget the others) (Score:5, Informative)
Hmm, guess this means my submission a couple hours ago won't go through (dangit, Wired!)...
Here is the official press release [top500.org] and the list [top500.org].
There is a lot of good points to note all around. The first is the G5 Terascale cluster at Virginia Tech at #3 (10.28 Tflops/s, 2200 CPU, Infiniband) is the first academic computer to break 10 teraflops/s. This extra performance was promised at Mac OS X Developer's conference [macdevcenter.com] last month. Not to sure if the price is a testament to Infiniband ($1.5 million cabling, cards, and routers) or the Macs ($4.2 million list).
Good thing too because in a surprise move the NCSA cluster made the list at #4 (9.82Tflops/s, 2500 CPU, Myrinet). This cluster is built using Dell's running Pentium 4 XEONs and Red Hat Linux [uiuc.edu]! One subtle point to note is that they didn't get all the systems online in time (there should be 2900 CPUs, not 2500). I bet some programmer at PSC [chaosmint.com] and an ex-Chief Scientist of SDSC is appreciating having a hand in edging out NCSA for #3--not to mention Apple beating Dell for #3.
The fastest Itanium cluster is at #5 (8.63 TFlops/s, 1936 CPU, Quadrics) which is looking like the odd man out boxed in by a PC based systems using Myrinet, the P4 Xeon above, and the most powerful Opteron system at #6 (8.05 Tflops/s, 2816 CPU, Myrinet). Another point of similarity:did I mention it's also using Linux?
And finally, It's easy to overlook #73, a single compute node of BlueGene/L (1.44 Tflops/s, 1024 CPU). Imagine 128 of these [com.com] connected together and you have something that will easily take #1 when it's completed even if we handicap it 20-40%. As noted on SlashDot earlier [slashdot.org], this will be running Linux.
Re:Kudos to the Mac (don't forget the others) (Score:3, Informative)
I miffed some of my links in the parent post:
Here is the reference to the ex-SDSC scientist [vt.edu].
Here is the link showing that the Opteron cluster is using Linux Networx [internet.com].
Finally in the interest of full disclosure and to pre-empt the anti-Mac zealots, I should mention that the $4.2 million for the G5 machines is probably the education list price, because when you go to Apple Store, putting 2GB of RAM into 1100 2x2Ghz G5's will cost you $4.4 million (+ a little more for having some spare machines).
Re:Kudos to the Mac (don't forget the others) (Score:2)
From what I remember about the press release, they did not purchase all the RAM through the Apple store. They got the standard 2x2GHz model and bought the RAM elsewhere, at a ch
Re:Kudos to the Mac (Score:2)
Re:Kudos to the Mac (Score:3, Interesting)
Re:Kudos to the Mac (Score:2)
already official (Score:5, Informative)
Trademark infringement (Score:3, Funny)
So what's going on here? Can they actually do that?
Re:Trademark infringement (Score:5, Informative)
The people in charge of the cluster don't want to call it "Big Mac" because (1) they don't want a lawsuit from McDonalds, and (2) who wants to be associated with nasty, greasy fast food?
They've worked out a solid candidate for a name (it's not official yet) that isn't quite as catchy as "Big Mac", but it also doesn't have any of the downsides.
Re:Trademark infringement (Score:3, Funny)
They should call the building where it resides the Cider House, then they can talk about how it rules, and get Michael Caine to do the v/o for the documentary...
Re:Trademark infringement (Score:2)
Re:Trademark infringement (Score:2)
What do you mean it's a big mac and it even comes with G5 chips. Can i get those G5 in Salt and Vinegar?
Re:Trademark infringement (Score:2)
The official name is TCF - Terascale Computing Facility.
No, that's the name of the facility (Score:2)
This is similar to NCSA. The facility is called the National Center for Supercomputing Applications (NCSA). Their new #4 cluster is called "Tungsten" [top500.org].
Internet distributed computing (Score:3, Insightful)
THe bandwidth demands are high. (Score:3, Informative)
This is nothing like distributed.net.
For a problem that can be broken into millions of discrete, independent chunks, sure, distributed.net's model is fantastic, and works really well... (seti, folding, distributed.net, etc)
For something where you need lots of feedback from nodes, (like these benchmarks, and lots of simulation work), bandwidth is everything.
Re:Internet distributed computing (Score:4, Informative)
Hmmmm [distributed.net]:
PowerPC 970 G5 1800 rc572: 13,400,000.00 [distributed.net]
AMD Athlon64 1600 rc572: 5,771,251.00 [distributed.net]
Intel Pentium 4 3500 rc572 4,960,583.00 [distributed.net]
Re:Internet distributed computing (Score:5, Interesting)
PROJECT OGR:
CPU @ MHz = Speed
G5 @ 2000 = 19,180,166.00
G5 @ 1800 = 17,100,000.00
G4 @ 1250 = 13,946,216.25
P4 @ 3200 = 12,155,245.00
Xeon @ 2800 = 10,251,811.00
PIII @ 1440 = 9,570,000.00
PROJECT RC572:
G5 @ 2000 = 15,058,974.67
G5 @ 1800 = 13,400,000.00
G4 @ 1250 = 13,084,678.25
P4 @ 3200 = 4,502,730.00
Xeon @ 2800 = 3,935,299.00
PIII @ 1440 = 2,927,187.00
Of course, these numbers need to be taken with a grain of salt since there is only a few (or even one) top-end machine of each class in the statistics. However, contrary to your assertion, it appears that the PowerPCs kick ass compared to the x86s.
My understanding was that, if anything, the distributed.net algorithms unfairly favor the PowerPCs - esp. those with Altivec. I believe the Apple has used that fact in their advertising much to the consternation of many Slashdotters.
Re:Internet distributed computing (Score:4, Informative)
And, of course, problems in computational fluid dynamics and the like tend to also favor Altivec. Not always, but it's pretty common. As such, the value of Altivec shouldn't be tossed off as some kind of parlor trick. For these applications, it's quite relevant.
Re:Internet distributed computing (Score:3, Informative)
Don't know about that:
Re:Internet distributed computing (Score:4, Interesting)
That said, the intel hardware should rip thru properly vectorized FP code about as well (for functions it directly supports in hardware), and should kill the G5 on integer performance. Mostly has to do with the G5 having fewer integer units than the P4/Xeon. This has been pretty much proven with the SPEC scores we've seen thus far, with both sides using top-of-class compilers (none of this GCC crap).
And now, back on topic, I think that this says alot about the IBM FP hardware with regards to Intel. Intel bent over backwards for an architecture that's not much faster per clock, and given the apparent lack of clock scalability in the Itanium, they're going to be hard-pressed to keep up. Their lack of FSB bandwidth is going to hurt them as well, esp. in the server market. I know of at least two scientific apps (nothing big, just school stuff) that the Itanium chews thru faster than the G5, but only for small datasets. The guy showing me his results mentioned that when the dataset goes from 10MB to 500MB, the G5 ends up around 2-3 times faster, as the memory interface becomes a bottleneck on Intel.
This may be one of the core reasons LINPACK on hugely parallel systems brings the Itanium and G5 so close to each other.
It doesn't help that the PPC970 looks to cost about a third what the Itanium costs.
Yes but... (Score:4, Funny)
How about a nice game of chess?
Of course. (Score:2)
Re:Of course. (Score:2)
Scant details on supercomputers... (Score:5, Interesting)
That said, for what is provided, the Earth Simulator seems to be the current king by about 2x. (Corrections appreciated.)
Re:Scant details on supercomputers... (Score:5, Funny)
IBM: 31%
HP: 28%
Linux: 20%
Sun: 12%
Cray: 6%
Other: 2.8%
Apple:
Microsoft: 0%
Err, or something like that.
Re:Scant details on supercomputers... (Score:2)
Here is the query I ran (top 256 clusters) [top500.org].
Check the #5 and #6 (Score:5, Interesting)
Also, the VirginiaTech cluster is the only "self-made" supercomputer in the Top50 (the next one is ranked 63th, based on SunFire V60). The original #3 slipped to the 7th position because of the new supercomputers. Competition for that third place was tough !
Now where's the G5 XServe ? It was supposed to be out when OS X Server 10.3 was released.
Re:Check the #5 and #6 (Score:2, Flamebait)
Re:Check the #5 and #6 (Score:4, Informative)
Re:Check the #5 and #6 (Score:3, Interesting)
Why would they? It's not a requirement for the benchmark.
The benchmark is purely a measure of performance, not reliability or anything else. Of course the benchmark might end up being tainted by the creation of systems that just plain ignore reliability issues, but I think everyone involved in supercomputing knows to take these figures with a grain of salt.
Re:Check the #5 and #6 (Score:3, Interesting)
Well, sure. The point is that they don't need ECC to get the correct answer. They just need to keep running the benchmark until it completes successfully.
Re:Check the #5 and #6 (Score:5, Informative)
Taken directly from interview with Srinidhi Varadarajan:
Q: How do you deal with Error Correction in Memory?
A: There's a lot of traffic on Ars Technica and other places. We do failure recovery, memory doesn't report. One of the things we've noticed is that failures aren't an issue yet. The reason they can be competent is the LINPACK test, which is showing 16 digits of accuracy. We are planning on moving to ECC systems in the future. They may have to run things twice for a bit.
(tig)
Re:Check the #5 and #6 (Score:3, Interesting)
That is only true if the computer can't interrupt and reliably store the state of calculation. If it can, the running the same computation only(!) twice gives the correct answer. Say the average rate of 1 bit errors is 1 per hour, if the computer checks its state every one minute, one has to do triple calculations only once every sixty minutes. There should be an optimum value in which the sum of overhead of storing and retrieving data and
Re:Check the #5 and #6 (Score:2)
On any modern processor, yes. Usually, on a PC, you'll find an option for it in the BIOS, and it's typically on by default...
Re:Check the #5 and #6 (Score:2)
Re:Check the #5 and #6 (Score:2)
My memory (128MB PC133 DIMMs from crucial, this was several years ago..) had an average of around .01428 errors per day per gigabyte. If bigmac's memory is
Re:Check the #5 and #6 (Score:2)
Keep in mind that VT did a lot of assembly-level hacking before they managed to reach the number 3 spot. Presumably, LANL didn't bother since they probably didn't feel like they had anything to prove. Perhaps AMD will invest some time in doing something similar now.
Now where's the G5 XServe ?
Apparently, the G5's run so hot that making 1U rack mounts is difficult.
Re:Check the #5 and #6 (Score:3, Interesting)
No, VT did not do a lot of "assembly-level hacking" one man working two months [macslash.org] did port a bunch of code and he did use the best compiler and LINPAK on the market (Professor Goto's libraries). If LANL didn't do the same or better, I'd be disappointed.
Also you keep harping on the fact that it was "self-assembled." But then you go on to compare it to a system not provided by IBM, HP, NEC, or Cray but one provided by Linux Networx. Perhaps if VA Tech had gone to them, Linux Networx might have beat out IBM's Op
Oh, oh yeah? (Score:5, Funny)
Cluster a billion TI-85s together and then we'll see who's collecting dust.
Re:Oh, oh yeah? (Score:2)
BigMac isn't the only new addition to the top 10 (Score:2, Interesting)
BigMac is certainly impressive, but even if these systems can't quite match it's scores, they deserve a mention.
4
NCSA
United States/2003
Tungsten
PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet / 2500
Dell
9819 Rmax
15300 Rpeak
5
Pacific Northwest National Laboratory
United States/2003
Mpp2
Integrity rx2600 Itanium2 1.5 GHz, Quadrics / 1936
HP
8633 Rmax
11616 Rpeak
6
Los Alamos National Laboratory
United States/
Re:BigMac isn't the only new addition (Score:2)
For example, the Tungsten machine at #4 uses 14% more processors at a 53% higher clock rate to achieve 95.5% of the Rmax and 87% of the Rpeak.
The Lightning machine at #6 uses 28% more processors at the same clock speed to achieve 82% of Rmax and 74% of Rpeak.
I'm not impressed.
Re:BigMac isn't the only new addition (Score:2)
I agree. And that's before cost considerations: do you wanna bet that the NCSA at #4 is in fact more expensive than Big Mac?
What's the difference? (Score:5, Interesting)
In the past, we always looked to the DoE or DoD for who had the fastest computers... they had stuff we could only dream of.. huge, fast clusters of funky computers we've never heard of.
Now, a university built one out of macs... and it competes with the same benchmarks.
What I wonder is, are there applications the old-style supercomputers are still better at, or has technology simply advanced since then? (Things like 10gig ethernet and ghz processors and memory busses, etc)... have we simply surpassed them? Don't just feed me some line about I/O either....
Re:What's the difference? (Score:2)
Re:What's the difference? (Score:2)
Re:What's the difference? (Score:2)
Re:What's the difference? (Score:2)
"we"? Are you on a "side"? I'd guess that you have nothing to do with any manufacturer or group involved with making new computer technology. I always thought it odd to take sides in something that has nothing to do with the person.
But I digress.
I think it just might be economies of scale. Billions of dollars are spent in CPU design and improved manufacturing to make a cheaper product, and to make that cheap product better. When one can ammortize the cost over millions
my switcher story (Score:5, Funny)
Re:my switcher story (Score:2)
miniatyrising (Score:2)
now that's intresting.. you could fit one hell of a cluster in your basement.
Re:miniatyrising (Score:2)
Obligatory slashdot gag (Score:2, Funny)
Where have all the g5 gone? (Score:2, Funny)
Congratulations VTech (Score:4, Insightful)
I'm confused... (Score:4, Funny)
Well, to get the ball rolling, here is a query on the top 500 supercomputers using Microsoft Windows [google.com]. Corrections and insight are appreciated.
Real world?? (Score:2, Funny)
Re:Real world?? (Score:3, Funny)
Or if you're PC World, some Premiere or MS Word benchmarks.
Re:Real world?? (Score:2)
Infiniband, not G5 (Score:5, Informative)
Infiniband has ~ 8-12 us latency (probably even less by now), while ethernet is an order of magnitude slower. In real-life applications it's actually worse than this suggests.
We have tested a real-life application (socorro) using both gigabit ethernet and Myrinet (slightly slower than Infiniband), and gigE took 600 seconds to finish a run, while Myrinet took 4.
VT's cluster is using the largest Infiniband network yet built (or at least announced). The previous largest Infiniband network was O(100) machines. VT could have built the cluster using Xeons, Itaniums, or Opterons and arrived at roughly the same level of performance.
G5, not Xeons, Itaniums, or Opterons (Score:5, Insightful)
But as researched by the VT folk, the G5 is significant: It was cheaper for their needs than the Xeons, Itaniums, and Opterons of similar performance and energy consumption!
So both component choices were critical to their achieving number 3.
Re:Infiniband, not G5 (Score:3, Insightful)
This is not true at all. VT clearly has stated in their presentation that G5 has the best performance / price for what they do.
The 1.5 GHz Itanium 2 costs over $3000 per chip, and even the 32-bit Xeon 3.06 GHz is about $1000, while the 2 GHz PPC 970 is about $300 or $400. In addition, VT wants 64-bit chips, so Xeon is a nonstarter.
Re:Infiniband, not G5 (Score:2)
A quote from http://www.cbronline.com/current-issue/cdd51c7c90 9 59c1680256d7c0018cf5e
"But a quick glance at Intel's price list shows how anchoring Opteron's price to Xeons could boost AMD's top line. AMD's Opteron single processor 100 Models range from $229 to $438. Intel's Xeon runs from $198 for its 2.4GHz with 512Kb of cache part to $690 for its 3.06GHz with 1MB of cach
Re:Infiniband, not G5 (Score:2)
not in LINPACK (Score:3, Insightful)
In fact, there are some nearly-identical setups in which there is no difference between GigE and Myrinet.
LINPACK is a good benchmark for generating big numbers for clusters, but it's a pretty poor supercomputing bechmark in general. The faster your machine can multiply and add fp numbers, the better its
Brute Force supercomputing = meh (Score:5, Insightful)
Having a fast computer is cool and all, but if you can do it with 252 CPUs instead of 1024 (#22, P4 2.4), isn't that a win?
Besides, LINPACK doesn't stress interconnect latency and bandwidth, only cache and memory performance. When you run a "real" codes on these Mac/Xeon clusters and get 5% efficiency, suddenly the Earth Simulator (and the small Cray X1's) look good when they blow well past the 50% efficiency mark.
Re:Brute Force supercomputing = meh (Score:3, Insightful)
There are solutions where multiple, numerous, nodes are fairly efficient. Something with coarse granularity and high compute effort, so that you can allocate per node infrequently. In those situations, something like the VT cluster is cheaper, more cost effective, and more capable than the Earth simulator because you can built many of them for the same cost.
Different tools for different problems, I think is the conversant i
Re:Brute Force supercomputing = meh (Score:2)
It really depends on whether you think liquid cooling is a win.
Besides, this article implies that the ORNL machine is only half finished. [ornl.gov]
At 64 processors per cabinet, the "initial installation" will be 512 processors.
Can someone tell me... (Score:3, Interesting)
And yet equally, if not more, important products like amd64 don't have their own icons ?
Additionally, why does this CPU have a G5 icon? And not a PPC970 icon ?
Has slashdot sold out to apple ?
Cool article, but Wired expands on 'future bashing (Score:2)
It might be well true that BM will be beaten, but please, a more positive spin on the present achievements would be in good order. If in 6 months it gets beaten, yeah, cool, but it will be *then*, not now. Pleaaseee, wasn't it over, that pointless subliminal Apple bashing?
dani++
Re:Cool article, but Wired expands on 'future bash (Score:2)
Actually not (Score:2, Funny)
Kids, remember this: Oatmilk with salt = ionized water. Batteries = electricity. Ionized water + electricity isn't healthy for those small metall pieces of yours.
Whoa, do I smell a intresting+informative moderation?
T-85's (Score:2)
I left highschool in 96 and now this year rejoined college since the tech jobs now require a college degree.
Hell the el cheapo Ti's have more memory then my high end model but at the same time mine has alot of functions reserved for the TI-89.
Actually, my TI-85... (Score:2)
On the other hand, it may even be more sad that they still sit so close to human touch, considering that no one has gotten any
Bad news for Itanium 2 (Score:5, Informative)
Excluding the Earth Simulator, the 2 GHz G5 has the highest Flops per CPU, even 5% higher than the 1.5 GHz Itanium 2 and 10 times cheaper:
#2 Alpha 13880 / 8192 = 1.69
#3 G5 10280 / 2200 = 4.67
#4 Xeon 9819 / 2500 = 3.92
#5 Itanium 8633 / 1936 = 4.45
#6 Opetron 8051 / 2816 = 2.85
The G5 is even better for FFT (Score:2)
Fastest, but... (Score:3, Funny)
BlueGene/L (Score:3, Interesting)
Here is the project update from a while back, talks a bit about each level of the blue gene project. It also talks about the biological motivations for supercomputing.
http://www.research.ibm.com/bluegene/BG_External_
And more generally, the blugene homepage: http://www.research.ibm.com/bluegene/ [ibm.com]
-SF
Re:TI-85? (Score:2)
Re:The TI-85 (Score:2)
Unfortunately, addressing the 128K of RAM required paging, and so programs written
Re:The name "Big Mac" (Score:2)
Big Mac is certainly a trademark in the food industry, but that may not preclude its use for other products, e.g. the name of a supercomputer. Especially if there is not likelihood of confusion on the part of the consumer (nobody is going to think the su
Re:10.28 teraflops with Jaguar (Score:2)