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realjjj
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CEO
Re: ..
realjjj   6/24/2017 1:54:11 PM
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Don't confuse the SoC with the core or current benchmark results with throughput.

Anyway, Agner Fog  http://www.agner.org/optimize/blog/read.php?i=838

Gondalf
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Author
Re: ..
Gondalf   6/24/2017 6:48:35 AM
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"Zen has higher throughput than Intel's core "

Have you any evidence of this?? the whole world say the contrary :).

RAV
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Rookie
Re: AMD EPYC
RAV   5/29/2017 8:15:22 AM
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Not to be rude, but rather succinct. 

Why should we take your word for it?  You confirm this?  The last piece written on the web "CONFIRMING" information was the Securities Fraud that Intel was licensing Radeon Technology. 

As I understand what has been written about Freedom Fabric had connect limitations that prevented it from being widely accepted.  I am mentioning this NOT to debate the point but rather as a bridge to make my next point.

Infinity Fabric is indeed an improvement and the next step in the evolution of the technology. 

It is unlikely that WITHOUT the Freedom Fabric IP; AMD's execution of Infinity Fabric would not be the same if it would have existed at all. 

And AGAIN as I pointed out earlier, AMD's ownership of the SeaMicro Fabric IP helps prevent the development of that IP by AMD competition.  The point of holding a Patent.

Discounting or even discrediting the necessity of previous technology in the evolution of new technology is essentially shortsighted.

I offer this:

"AMD is taking a $75 million writeoff against the SeaMicro assets, but CFO Devinder Kumar said that the intellectual property of the Freedom Fabric interconnect "is still available for us as needed." 

 

 

chavez227
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Rookie
Re: AMD EPYC
chavez227   5/22/2017 6:14:37 PM
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Kevin, just want to confirm you are right. Infinity Fabric does not have anything to do with SeaMicro or its Freedom Fabric. 

sw guy
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Author
OS support ...
sw guy   5/22/2017 5:57:56 AM
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... is not a big deal with server OSes.
Anyway, OS support is already mandatory for single die Ryzen family.

Kevin Krewell
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Author
Re: AMD EPYC
Kevin Krewell   5/21/2017 8:08:45 PM
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The reason I don't think the SeaMicro technology is part of Infinity Fabric is that the SeaMicor Fabric was a 3d torus designed for connecting many processors (512 in the initial design):

https://www.hotchips.org/wp-content/uploads/hc_archives/hc23/HC23.19.7-Server/HC23.19.710-CellPhone-Lauterbach-SeaMicro.pdf

Infinity Fabric looks like it has more limited connectivty. Seems more like a hierarchical clustering.

RAV
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Re: AMD EPYC
RAV   5/21/2017 6:14:57 PM
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Hmmm....

 

Folks do seem to pay Charlie D a fair amount of money if he is indeed just semi-accurate.

Wouldn't you agree?  

I find it sad that nobody in the community of on-line investment media will give anyone else just a little respect.  There are sites of course that are essentially yellow journalist tabloids not much better than the National Inquirer.

Is competition for the investor eyeball so great that professional courtesy has been supplanted by professional jealousy?

I am not debating what Norrod said but it is interesting that AMD wrote off all value for Freedom Fabric specifically.  Of course the IP does have value in protecting the technology moving forward.  In otherwords any kind of a "fabric" interconnect will be difficult to develop without stepping on AMD patents.

What is also interesting is how Gabriel H Loh, Memory Guru and Senior Research Fellow at AMD, filed a flurry of memory control and communication fabrics back in 2014 or so.  

Infinity Fabric may not have been directly derived from Freedom Fabric, however one can not discount that Fabric IP is quite likely essential for the evolution towards Infinity.

 

Kevin Krewell
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Author
Re: AMD gated by LiarFoundries
Kevin Krewell   5/21/2017 5:49:12 PM
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AMD did renegotiate their deal with Global Foundries last year, which is why they added TSMC back into the mix for 7nm.

Kevin Krewell
User Rank
Author
Re: AMD EPYC
Kevin Krewell   5/21/2017 5:48:06 PM
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Frankly, I've known Charlie a long time and his website is appropriately named semi-accurate.

paul.jhnson
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Rookie
AMD gated by LiarFoundries
paul.jhnson   5/21/2017 4:41:28 PM
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AMD's biggest mistake is the Wafer Supply Agreement it made with Liarfoundries which will gate its profitability for the unforseeable future. They need to move to a manufacturer that can yield prodcuts they need, if they want a chance in succeeding.

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