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Thursday, 17 November 2011 10:51

Intel provides Xeon E5 details

Written by Nick Farell



Demos Knights Corner MIC


Chipzilla has been telling the world+dog at the supercomputing conference SC2011  about its upcoming Xeon E5 processors and been showing off its Knights Corner many integrated core (MIC) solution.

We don't expect to see the new Xeons until the first half of 2012, but Intel has has been shipping the new chips to "a small number of cloud and HPC customers" since September. The E5 family has the same core as the 3960X which Intel launched this week. So far though Intel does not seem to be keen to ramp up any mass production.  Some of this might have something to do with problems in production which were rumoured earlier this year.  However early benchmarks indicate that it could be a winner.

Knights Corner is a by-product of Intel's canceled GPU (codenamed Larrabee) and is a prototype device for future HPC accelerators. Chipzilla is saying that  Knights Corner packs 50 x86 processor cores into a single die built on 22nm technology. The chip is capable of delivering up to 1TFlop of sustained performance in double-precision floating point code.  It looks like the cores operate at 1-1.2GHz which is double Nvidia's current high-end M2090 Tesla GPU.

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Comments  

 
+2 #1 TinHat 2011-11-17 15:18
They sound awesome. Unfortunately I would have to sell my wife's car to buy one. Mmmm? ...now where did she leave those keys?
 
 
-2 #2 Naterm 2011-11-17 15:29
It's not like intel is under any real pressure to ship the things. Bulldozer is a bust.
 
 
0 #3 Vizeroy 2011-11-17 15:57
Quoting Naterm:
It's not like intel is under any real pressure to ship the things. Bulldozer is a bust.


Don't mix up desktop with server environments.
In server tests the Opteron beats the Xeon by up to 30%.
If I remember the test correctly, there isn't one test in which Bulldozer is slower than the Xeon.
 
 
0 #4 Vizeroy 2011-11-17 15:59
"Chipzilla is saying that Knights Corner packs 50 x86 processor cores into a single die built"

Not quite correct.
They claim there are "more" than 50 cores per die. SA estimates about 64 cores of which some are used for load management.
 
 
-1 #5 Naterm 2011-11-17 19:07
Quoting Vizeroy:





Then you saw some crap benches, because it's the same in the server market. They cannot compete with the high-end 2S Xeons, only the mid-ranged and lower. The Westmere-EP chips absolutely slam the 6200 in MySQL. The power/performance ratio running ESXi is not good at all. The 6200 series draws something like 20% more power and run slower than Xeons. They're slighter faster than the old 6100 chips, but draw more power than them as well.

It's not as bad for AMD in servers vs. the desktop, but intel is still clearly on top.
 
 
-2 #6 Sodomy 2011-11-17 19:11
getting back on topic, i very much doubt it uses the same core as the 3960X, simply because if it has 50+ of them the chip would be the size of an ATX motherboard (okay mabye not, mini-itx though :P)
 
 
0 #7 Sodomy 2011-11-17 19:23
Quoting Sodomy:
Quoting Vizeroy:
[quote name="Naterm"]It's not like intel is under any real pressure to ship the things. Bulldozer is a bust.


Don't mix up desktop with server environments.
In server tests the Opteron beats the Xeon by up to 30%.
If I remember the test correctly, there isn't one test in which Bulldozer is slower than the Xeon.


Yep, also considering it is about on par with the 2500k and about the same price, it's not too bad. too may fools saying that it would destroy intel and now everythinks it is a bad processor. as for the server thing, this is a nice summary if you haven't looked at it already http://www.anandtech.com/show/5058/amds-opteron-interlagos-6200/14
 
 
+1 #8 dew111 2011-11-17 19:24
Quote:
It looks like the cores operate at 1-1.2GHz which is double Nvidia's current high-end M2090 Tesla GPU.




False. From Nvidia's datasheet at http://www.nvidia.com/docs/IO/43395/Tesla-M2090-Board-Specification.pdf the cores run at 1.3GHz. The GPU core is likely half that, around 650MHz.
 
 
-1 #9 cucu 2011-11-19 13:17
"1 TFlop of sustained performance in double-precision floating"
Unbelievable !!

Bye Bye Nvidia Tesla...........
 
 
0 #10 Naterm 2011-11-20 01:23
Quoting cucu:
"1 TFlop of sustained performance in double-precision floating"
Unbelievable !!

Bye Bye Nvidia Tesla...........






Yeah, because intel's MIC is a shipping product that has been used in thousands of installations and has a robust software ecosystem built around it? Oh, wait...

By the time intel gets this out in a shipping product, it'll be going up against Tesla cards packing the Kepler GPU. Minimum. That said, intel does have quite an advantage in process technology where as nVidia is dependent on TSMC.

The big question is why AMD still isn't in this game.
 

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