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[VC] Intel Core i9-7980XE 18-core early benchmarks - Page 14

post #131 of 246
Quote:
Originally Posted by Baasha View Post

Guys so will 4x GPUs PLUS 3x NVMe SSD (960 Pro in RAID-0) work on the RVIE with this CPU?

44 lanes means...40 lanes for GPUs but only 4 lanes for an NVMe SSD - meaning only ONE? rolleyes.gif


Technically yes. 4x GPU's could run at 8x + 8x + 8x = 24 lanes, then you'd have 16 lanes leftover, with 4x + 4x + 4x for three NVMe drives. Although for some reason i'm seeing talk of X299 not allowing most CPU lanes to be used for NVMe? That's odd news to me but if true it'd just mean that the 4x lanes on the chip for NVMe plus chipset ones would be used instead i suppose. Either way it would work for 4x GPU and 3x NVMe SSD as long as you don't demand 16 lanes per GPU (which makes little to no difference for most situations).
 
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post #132 of 246
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Originally Posted by  View Post


My LAN card does 2.5GB/s and my SSD does 3.5GB/s. If both were off the PCH there would be a problem.

Skylake X allows for NVMe RAID... From the PCH. Done, DMI is saturated.

How? A 10Gbit card in GB/s is 1.25GB/s if we all do is convert bits to bytes, and don't account for overhead. You have two 10Gbit controllers going to a switch? The DMI could saturate, but you need to remember that DMI is bi-directional as well. You can saturate the DMI currently if you have a RAID array of 960 Pros and do a sequential read from them, but that's about it. That's why Intel added VROC onto the motherboard, so you can bypass the DMI all together for NVMe RAID (but yea it costs money). .
Quote:
Originally Posted by DarkIdeals View Post

I wouldn't be so sure of that. The XCC die is "only" a ~610mm2 die compared to ~480mm2 for the HCC 12-18 core die, or ~320mm2 for the "LCC" 6-10 core die.

The 480mm2 HCC die is only a 50% increase in width, while retaining identical length, to the LCC 320mm2 die. Likewise, the 610mm2 die just retains the same 50% extra width of the HCC die while also adding an additional ~30% length. iirc the length of the HCC and LCC dies is ~22mm, so a 30% increase would be ~28.5mm so not all that much bigger; and if you look at the HCC die in the delid photos online you can see that the extra width was easy to achieve and that there seems to be a fair bit of extra space for that ~6.5mm of extra length with the only possible complication seeming to be potential relocation of a couple caps on the edge etc..

However while it definitely seems possible for the XCC die to FIT in a 2066 socket, the question then comes whether anything on the planet short of DICE/LN2/LHE etc.. can properly COOL a 610mm2 28 core behemoth with how we already have trouble with high temps and power usage as things stand now. There'd have to be a pretty massive overhaul of the VRMs, EPSV 12v connectors (you'd need at least a dual 8 pin to provide the kind of power necessary plus you may have trouble with wire gauge since some people reported wires getting disturbingly hot on high voltage SK-X chips already)

Where did you get those numbers of die size? I was under the impression Intel hadn't come out and said how big their dies are.
    
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post #133 of 246
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Originally Posted by The_Rocker View Post

People here are now blurring lines between high performance desktop class processors/chipsets... and professional workstation class hardware which typically use server class hardware designed to have massive IO and extremely reliable operation... Combined with dual socket options for a pair of high core count Xeons...

I don't see how whether 10Gbe or various RAID levels being natively compatible with X299 are points worth using as fuel for comparison. If you need serious RAID, then you should be using a high end hardware card, or something modern in software like ZFS. And if you need 10gig ethernet then you'll likely be using a PCI-E adapter as well from the likes of intel, Q logic or broadcom.

If you find yourself needing these things then I'd suggest intel HEDT is not for you... Go and look at high end HP or Dell workstations instead.

In a professional space, you won't be overclocking. Performance out of the box counts, not what you might be able to achieve if you up the volts and put it under water then add in a million PCI-E cards. You will buy a machine suitable for the job instead.

Something like this:

http://www8.hp.com/us/en/workstations/z840.html

Specs galore....

http://store.hp.com/us/en/mdp/business-solutions/z840-workstation?jumpid=cp_r11400_us/en/ips/business_desktops/workstation/buynowZ840#!&vao=+

Im just trying to say here.... These 'High end desktop' platforms.... are NOT workstation replacements.

These 'High end desktop' platforms are workstations.

http://www.thinkmate.com/systems/workstations/vsx

We don't need massive storage only Raid 1 which now requires a hard key.
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post #134 of 246
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Originally Posted by 8472 View Post

I'm hoping that Asus does a x299 version of the WS boards, if done like the x99 board, you'd be able to run all four cards at x16 and run all three M.2's at full speed (as long as you don't mind PLX chips).

Technically you wouldn't be running everything at full speed. The 44 lane limit still applies, this just lets you shift some of the bandwidth around.

Intel hasn't increased lane count since x79. They really should.
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post #135 of 246
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Originally Posted by Erik Barone View Post

and the lack of ecc memory support too, nj intel

"ECC Matters!"

When did ECC even become a marketing point? It didn't make Bulldozer a more appealing product. kookoo.gif

I, also, didn't see people throwing their wigs off about AM3 having more PCI-E lanes when Sandy Bridge came out. Yet, suddenly, lane count matters even more to consumers?
post #136 of 246
Quote:
Originally Posted by DVLux View Post

"ECC Matters!"

When did ECC even become a marketing point? It didn't make Bulldozer a more appealing product. kookoo.gif

I, also, didn't see people throwing their wigs off about AM3 having more PCI-E lanes when Sandy Bridge came out. Yet, suddenly, lane count matters even more to consumers?

Lane count matters now because it is easy today to utilize them all.

ECC? Joe don't care. Odd it comes up now, although on the HEDT you want it all.
    
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post #137 of 246
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Originally Posted by DVLux View Post

"ECC Matters!"

When did ECC even become a marketing point? It didn't make Bulldozer a more appealing product. kookoo.gif

I, also, didn't see people throwing their wigs off about AM3 having more PCI-E lanes when Sandy Bridge came out. Yet, suddenly, lane count matters even more to consumers?

Sandy bridge came out before NVME, 10 gigabit Ethernet, and USB 3.1 were all viable at the HEDT level.

The lane count is a pretty big oversight. ECC is not (because the Xeons have it).
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post #138 of 246
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Originally Posted by Sin0822 View Post

Where did you get those numbers of die size? I was under the impression Intel hadn't come out and said how big their dies are.

I got them from tech sites, seen it on a few different ones over the past few weeks. It's been publicly available knowledge for a little while at least.

https://www.anandtech.com/show/11550/the-intel-skylakex-review-core-i9-7900x-i7-7820x-and-i7-7800x-tested/6

Oh and I was a bit off on the numbers. The LCC die is 308mm2, the HCC die is 472mm2, and the XCC is 677mm2 (compared to 320, 480, and 610 like i was recalling from memory). 677mm2 is enough of a jump over 610mm2 though that perhaps you are right about it not being able to properly fit on a package/substrate made for LGA-2066.

Quote:
Originally Posted by DVLux View Post

"ECC Matters!"

When did ECC even become a marketing point? It didn't make Bulldozer a more appealing product. kookoo.gif

I, also, didn't see people throwing their wigs off about AM3 having more PCI-E lanes when Sandy Bridge came out. Yet, suddenly, lane count matters even more to consumers?


I see so many people who have probably never used ECC memory in their lives acting like it's this insanely important necessary thing for any kind of professional work. You hear nonsense like "well if you don't mind losing data, time, your job, and critical information then go ahead and use regular memory". There are pretty well written articles out there like this one ( https://blog.codinghorror.com/to-ecc-or-not-to-ecc/ ) that really dig into the necessity of ECC RAM and determine that most RAM errors are generic hard errors which are only a problem if you aren't saving what is being worked on to disk on a regular basis, and the mythical soft errors like alpha particle flips etc... many ECC fanboys will rant on about account for a FAR smaller percentage of errors than you would think, so much so that almost nobody has records of them in modern times; so much so that GOOGLE ran non-ECC on ALL of their servers even into the 2000's decade because the biggest tech company on earth felt that the money saved by HAND BUILDING their servers using their own sourced parts (rather than buying IBM, Dell etc.. bre-build racks) was worth more than the protection a "verified" system with ECC would provide.
Edited by DarkIdeals - 9/26/17 at 3:14pm
 
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post #139 of 246
Quote:
Originally Posted by DarkIdeals View Post


I see so many people who have probably never used ECC memory in their lives acting like it's this insanely important necessary thing for any kind of professional work. You hear nonsense like "well if you don't mind losing data, time, your job, and critical information then go ahead and use regular memory". There are pretty well written articles out there like this one ( https://www.anandtech.com/show/11550/the-intel-skylakex-review-core-i9-7900x-i7-7820x-and-i7-7800x-tested/6 ) that really dig into the necessity of ECC RAM and determine that most RAM errors are generic hard errors which are only a problem if you aren't saving what is being worked on to disk on a regular basis, and the mythical soft errors like alpha particle flips etc... many ECC fanboys will rant on about account for a FAR smaller percentage of errors than you would think, so much so that almost nobody has records of them in modern times; so much so that GOOGLE ran non-ECC on ALL of their servers even into the 2000's decade because the biggest tech company on earth felt that the money saved by HAND BUILDING their servers using their own sourced parts (rather than buying IBM, Dell etc.. bre-build racks) was worth more than the protection a "verified" system with ECC would provide.

I think you pasted the wrong article. tongue.gif
post #140 of 246
Quote:
Originally Posted by DVLux View Post

I think you pasted the wrong article. tongue.gif


Huh, well that's bizarre. My bad.

https://blog.codinghorror.com/to-ecc-or-not-to-ecc/



EDIT: Nvm i see what happened. For some reason it posted the same link i put above linking the LCC/HCC/XCC die sizes another person asked for instead of the other one i copy/pasted afterwards. Still weird but whatever, fixed it.
Edited by DarkIdeals - 9/26/17 at 3:15pm
 
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