Intel’s 28-Core Xeon Platinum 8176

[jpqy]

Turbo is marked on only 1core.

General Specs
Family Xeon Platinum
Series 8100
Locked Yes
Frequency 2,700 MHz
Turbo Frequency 3,700 MHz (1 core)
Bus type DMI 3.0
Bus rate 4 × 8 GT/s
Clock multiplier 27

[MikeB]

Hello !

Not bad from Intel
http://wccftech.com/intel-28-core-xeon- ... enchmarks/

The 8176 runs 28 cores @ 2.1 GHz but the 8168 is probably faster for chess : 24 cores @ 2.7 GHz.

https://en.wikichip.org/wiki/intel/xeon_platinum/8168
https://en.wikichip.org/wiki/intel/xeon_platinum/8176

+1 for sure...

[Vinvin]

Hello !

Not bad from Intel
http://wccftech.com/intel-28-core-xeon- ... enchmarks/

The 8176 runs 28 cores @ 2.1 GHz but the 8168 is probably faster for chess : 24 cores @ 2.7 GHz.

https://en.wikichip.org/wiki/intel/xeon_platinum/8168
https://en.wikichip.org/wiki/intel/xeon_platinum/8176

All-core turbos of 2.7 Ghz for the 8176 and 3.3 Ghz for the 8168. Not bad.

The 24-core chip should be the faster one for essentially any application.

Yes, you're right, even the sum of speeds is higher :
28*2.1= 58.8 GHz
24*2.7= 64.8 GHz

[Leo]

"But if you are looking at using all cores for one process (like a chess engine) to maximize performance, then a lower core count/higher clock processor may work better. "

That has been my experience with the Intel Xeon E5-2686-V3, 2 X 18 = 36 physical cores. Using the system with one process (chess infinite analysis) has been quite disappointing. The time-to-depth, using asmFish, is inferior to that provided by my 6-core Intel 4930k.
Some claim that the dual-Xeon is providing more thorough analysis at a given depth than the Intel 4930k. Perhaps, but even if true, that is little consolation.
With an onslaught of new multi-core chips coming from Intel and AMD, I am hoping that we have TalkChess experts who can find the sweet spot for the # of physical cores that will providee the best infinite analysis.

That is very surprising news. What engine are you using? So the TCEC Championship should use a 6 core instead of a 44 core machine? I thought SMP was fixed?

[syzygy]

All-core turbo means all-core turbo.

[syzygy]

That is very surprising news. What engine are you using? So the TCEC Championship should use a 6 core instead of a 44 core machine? I thought SMP was fixed?

To get depth, yes. To get Elo, no.

(But it does seem to be true that the Elo gain of 44 cores over, say, 22 cores is rather small.)

[Leo]

That is very surprising news. What engine are you using? So the TCEC Championship should use a 6 core instead of a 44 core machine? I thought SMP was fixed?

To get depth, yes. To get Elo, no.

(But it does seem to be true that the Elo gain of 44 cores over, say, 22 cores is rather small.)

I hope we can all suggest what machine out there is the best for chess analysis. Maybe I dont have to buy something with a huge amount of cores.

[jdart]

Intel has made a few chips that are frequency- rather than core-optimized, for workstation use. These usually have "W" after the chip number. For example:

https://ark.intel.com/products/91750/In ... e-3_00-GHz

It is 12 cores and supports dual-CPU configurations.

I am not saying you couldn't get higher performance from more cores but for apps such as chess engines that don't scale linearly with more cores these might have a better cost/performance ratio than the really high core count chips.

--Jon

[Leo]

Here is a chart with the highest chess engine Kn/s.

kN/s Cores EXE Processors Speed Hardware Users
45773 36 x64 2x Xeon E5-2696 v3 @2.80GHz Yorkman
44311 36 x64 2x Xeon E5-2696 v3 @2.80GHz Prashanth
43050 36 x64 2x Xeon E5-2696 v3 @2.80GHz Lukas Cimiotti
37088 24 x64 2x Xeon E5-2697 v2 @3.26GHz Ahmed Mansoor
36428 36 x64 2x Xeon E5-2686 v3 2.00GHz Sedat Canbaz
35709 24 x64 2x Xeon E5-2690 v3 3.10GHz TCEC S8 Superfinal
33319 28 x64 2x Xeon E5-2695 v3 2.30GHz Adam Kostas
30296 20 x64 2x Xeon E5-2687W v3 3.10GHz LZ
29997 24 x64 2x Xeon E5-2690 v3 2.60GHz Regina
27498 20 x64 2x Xeon E5-2660W v3 2.60GHz DeeDs
23947 16 x64 2x Xeon E5-2640 v3 2.60GHz Tony Rotella
23850 12 x64 2x Intel Xeon X5670 @4.20GHz Yorkman
21983 8 x64 Intel Core i7-5960X @4.50GHz Jean-Paul Vael
18745 8 x64 Intel Core i7-5960X @3.80GHz Kajapix

[cma6]

Are any of these dual-Xeon systems overclocked, which I thought was impossible?