Message boards :
Number crunching :
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Author | Message |
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bill Send message Joined: 16 Jun 99 Posts: 861 Credit: 29,352,955 RAC: 0 |
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Fred J. Verster Send message Joined: 21 Apr 04 Posts: 3252 Credit: 31,903,643 RAC: 0 |
I wonder what the RAC would be on this monster Sure would like to play with such a 'monster'.............. 4,096 cores, if they'll compaire to FERMI/KEPLER cores, this is 4096/16= 256. A GTX580(/590?) has 16 cores, so 256 GTX580s RAC of 5000 (?) 5000 x 256 = 1,280,000 would be possible, theoretical, all depends on RAC of a single GTX580(590?) Since thats hard to achieve, a CPU has to load and unload the GPU and write an output file, etc. How much electricity this machine will use, when fully occupied? But (far) more efficient compaired to an average CPU-cluster. |
betreger Send message Joined: 29 Jun 99 Posts: 11362 Credit: 29,581,041 RAC: 66 |
I doubt Seti could feed such a machine to keep it full. |
bill Send message Joined: 16 Jun 99 Posts: 861 Credit: 29,352,955 RAC: 0 |
One of Toshibas baby nuclear reactors could handle it. Then run a couple of wide pipes to the lab. California dreaming. |
Horacio Send message Joined: 14 Jan 00 Posts: 536 Credit: 75,967,266 RAC: 0 |
They are talking of standard CPU Cores (Intel Xeon E5 Sandy Bridge)... See: Big Brain Anyway, an I7-2600 with HT on (8 cores) gives around 8K RAC... around 1K per core so if the E5 performance were equivalent to the i7 then you can get a RAC of around 4,096,000 (or even more... if Im not wrong the E5 is like the i5 and dosnt use HT which gives more RAC per core)... It took me 12 years to get 4 millions credits!!! (Im going faster now... but anyway... LOL) |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
They are talking of standard CPU Cores (Intel Xeon E5 Sandy Bridge)... See: Big Brain The Xeon E5 processors come in 2,4,6, and 8 core configurations. Most have HT, but some of the 4 & 6 core versions do not. Depending on the thermal spec they are shooting for I suppose. As the E5 series is designed for 2 socket configurations I would guess they are settings up 2 socket nodes and interconnecting them in some fashion to get the shared memory access. As they state the base configurations is 16 core configuration I would guess it is two 8 core processors. Unless they are counting cores with HT. Then it is probably just a single processor. It is still impressive that in the end they will have 256 or 512 processors in total. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
Ex: "Socialist" Send message Joined: 12 Mar 12 Posts: 3433 Credit: 2,616,158 RAC: 2 |
My Xeon E3-1230 (3.2GHZ) (4 core 8 thread) would do about 11-12k RAC at 100% with op-apps. So I would think the E5 would do more credit than the 1K per core/thread that was estimated above. #resist |
Horacio Send message Joined: 14 Jan 00 Posts: 536 Credit: 75,967,266 RAC: 0 |
My Xeon E3-1230 (3.2GHZ) (4 core 8 thread) would do about 11-12k RAC at 100% with op-apps. With that values then a full loaded Big Brain will give around 6 million RAC or more!! (Anyway, I think that for the some money we can get a higher RAC using several hosts with the fastest/latest GPUs... and, for sure, several hosts will have better luck getting enough work from SETI than a single host that is crunching 4096 concurrent WUs... IIRC, the scheduller has a pool of 200 WUs to assign, so in the best -and impossible- case a host will be getting 200 every 5 mins... That means 1.7 hs to get 4096 tasks... that's way longer than the average crunching time for MB tasks on those CPUs...) |
Slavac Send message Joined: 27 Apr 11 Posts: 1932 Credit: 17,952,639 RAC: 0 |
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Ex: "Socialist" Send message Joined: 12 Mar 12 Posts: 3433 Credit: 2,616,158 RAC: 2 |
Hrm, I want one. Don't we all. <evil grin> If someone here starts crunching with a machine like that, a lot of us will end up without work to crunch. ;-) #resist |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
Hrm, I want one. I configured a T620 on Dell's configurator with these main specs: 2 - E5-2690 2.90GHz, 20M Cache, 8.0GT/s QPI, Turbo, 8C, 135W 8 - 8GB RDIMM, 1600 MHz 8 - 300GB 15K RPM SAS 6Gbps 2.5in Hot-plug Hard Drive (In RAID 60 configuration) 1 - Dual, Hot-plug, Redundant Power Supply (1+1), 1100W Which came to just under $20,000. If you reduced the memory and drives, which you wouldn't really need for a computing farm, it comes closer to $12,000. So for the neighborhood of $3,000,000-$5,000,000 you could have the same amount of computing grunt as your disposal. The T620 also supports some GPU's which could be used as well. It says up to 4 can be used, but I was only allowed to select 3 with my configuration. 2 - E5-2690 2.90GHz, 20M Cache, 8.0GT/s QPI, Turbo, 8C, 135W 8 - 8GB RDIMM, 1600 MHz 2 - 1TB 7.2K RPM SATA 3.5in Hot-plug Hard Drive (In RAID 1 configuration) 1 - Dual, Hot-plug, Redundant Power Supply (1+1), 1100W 3 - NVIDIA Tesla C2075 GPU computing processor Comes to just under $23,000. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
EPG Send message Joined: 3 Apr 99 Posts: 110 Credit: 10,416,543 RAC: 0 |
And what about Xeon Phi? Intel is sticking to the goal of offering 1TFLOP of real world double-precision (FP64) performance; for comparison Tesla M2090 and Radeon HD 7970 have a theoretical FP64 throughput of 665GFLOPs and 947GFLOPs respectively. http://www.anandtech.com/show/6017/intel-announces-xeon-phi-family-of-coprocessors-mic-goes-retail |
Ex: "Socialist" Send message Joined: 12 Mar 12 Posts: 3433 Credit: 2,616,158 RAC: 2 |
And what about Xeon Phi? Oh yes!!!!! HAL!, They packaged it into pci-e cards!!!!!!! :-D That makes my day! #resist |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
And what about Xeon Phi? You want to place a bet on if they will be x8 or x16 cards? :) I would imagine there should be some version of these in an x8 configuration. As most servers are setup for x8 cards instead of x16. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
Ex: "Socialist" Send message Joined: 12 Mar 12 Posts: 3433 Credit: 2,616,158 RAC: 2 |
I would imagine there should be some version of these in an x8 configuration. As most servers are setup for x8 cards instead of x16. That's the very hope I'm living on... I see way more x8 slots on server boards. It's marketed with the Xeon name, I'm hoping they plan accordingly. I'd say that's an 8x pictured here... :-D (I may need to wait for some time to see some prices and probably wait for them to drop, but THIS looks like THE solution to adding parallel processing to my server. It would fit oh-so-nicely, and would work great with my existing hardware. Plus it can function as a system co-processor OR dedicated cruncher :-D, my dreams are coming true here... My only gripe, I could only fit one. (I only have 2 x8's and they are next to each other, and this is a double-width card)) #resist |
HAL9000 Send message Joined: 11 Sep 99 Posts: 6534 Credit: 196,805,888 RAC: 57 |
I would imagine there should be some version of these in an x8 configuration. As most servers are setup for x8 cards instead of x16. That is a x16 card. If you notice the 3 short pins along the connector after the notch. Those are more or less the indicators of where it would end if it were an x1, x4, or x8 connector. Also I found a large image of one of their sample cards where all 82 pins can be counted. http://www.version2.dk/sites/v2/files/styles/original/public/wp_000237.jpg I still bet they will make x8 cards though. Perhaps even x4 versions. SETI@home classic workunits: 93,865 CPU time: 863,447 hours Join the [url=http://tinyurl.com/8y46zvu]BP6/VP6 User Group[ |
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