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[ZDNet] Intel's next big thing: Knights Landing Xeon Phi - Page 5

post #41 of 69
Are the cores faster than Jaguar in consoles?
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post #42 of 69
Quote:
Originally Posted by CynicalUnicorn View Post

How good is a C2D vs an Athlon x2? Because the IPCs are probably in the middle of those two architectures.

Core 2 Duo is like 10%-15% faster IPC

Actually perhaps a bit more http://anandtech.com/bench/product/34?vs=61
Edited by MapRef41N93W - 3/27/15 at 4:37pm
 
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post #43 of 69
If one of those Atom cores is similar to a C2D core in performance.... I'm liking this new Xeon architecture a lot.
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post #44 of 69
Quote:
Originally Posted by brucethemoose View Post

Get a 2P board, and you could get a traditional Xeon, then use the whole Xeon Phi for the software GPU.
...except for the "software GPU" part.

Quote:
Originally Posted by MapRef41N93W View Post

Yeah but these are not even Core 2 Duo equivalent IPC?
Doesn't matter.

They destroy a Conroe in FP32/watt and absolute FP32.

Quote:
Originally Posted by MapRef41N93W View Post

Core 2 Duo is like 10%-15% faster IPC

Actually perhaps a bit more http://anandtech.com/bench/product/34?vs=61
IPC isn't an appropriate metric here.... these aren't general purpose processors and is a manycore.

Quote:
Originally Posted by xenophobe View Post

If one of those Atom cores is similar to a C2D core in performance.... I'm liking this new Xeon architecture a lot.
It's a Xeon Phi.... not Xeon.
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post #45 of 69
Quote:
Originally Posted by brucethemoose View Post

Quote:
Originally Posted by tpi2007 View Post

Very interesting. Any enthusiast willing to try the following in a few months:

1. Buy one;
2. Install Windows 10 with DX12;
3. Install DX12 games;
4. Reserve 10 cores for CPU tasks - 6 cores for DX12 functions and the other 4 for game logic;
5. Direct all graphics output to a software renderer running on the other 50 cores;
6. See what kind of fps you get.

Should be an interesting experiment.

Get a 2P board, and you could get a traditional Xeon, then use the whole Xeon Phi for the software GPU.

That's a good idea. In that case, instead of using the faster clocked 1.5 Ghz 60 core part (I initially chose the 60 core part because that would give a more acceptable CPU performance for the CPU tasks), we can use the 1.1 Ghz 72 core part for graphics alone, since the CPU part will be handled by a capable CPU.
 
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post #46 of 69
Quote:
Originally Posted by DuckieHo View Post

...except for the "software GPU" part.
Doesn't matter.

They destroy a Conroe in FP32/watt and absolute FP32.
IPC isn't an appropriate metric here.... these aren't general purpose processors and is a manycore.
It's a Xeon Phi.... not Xeon.

Yeah I get that but a 4P 16 core Xeon system should theoretically smoke one of these in real world tasks like encoding. Those 8 cores aren't making up for the gigantic difference in IPC.
 
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post #47 of 69
Quote:
Originally Posted by The Robot View Post

Are the cores faster than Jaguar in consoles?
About the same as these are the same cores as used in Bayfail.
post #48 of 69
Quote:
Originally Posted by DuckieHo View Post

It's a Xeon Phi.... not Xeon.

So it's not a new architecture? Ok.
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post #49 of 69
Quote:
Originally Posted by xenophobe View Post

Quote:
Originally Posted by DuckieHo View Post

It's a Xeon Phi.... not Xeon.

So it's not a new architecture? Ok.

I think his point was that this isn't just regular Xeon, and isn't anything like what we will be seeing out of more "normal" Xeon processors any time soon.
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post #50 of 69
Quote:
Originally Posted by Millillion View Post

I think his point was that this isn't just regular Xeon, and isn't anything like what we will be seeing out of more "normal" Xeon processors any time soon.

I didn't say it was a regular Xeon... I said "I'm liking this new Xeon architecture a lot."

His response could have been "yes, this new architecture is called the Phi".

It is a Xeon and it is a new architecture?

Whatever.
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