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It may be due to PCIe lanes. The platform has 40 Total.

I don't know yet what the GPU's use but they could be using 16 lanes each or 8 lanes each. If they use 16 each then that's 32 out of the 40 gone leaving only 8 for Thunderbolt, USB 3.0 and the PCIe SSD.

Actually, it has 48 lanes.

40 lanes of PCIe 3.0 from the CPU package, and 8 lanes of PCIe 2.0 from the C602 chipset.
 
Wow. I just go by the tonymacx86 buying guide, and the December one says that 2011 sockets still don't support power management features. So they've got wrong or maybe haven't updated it?

No, if you are a serious hackintosher, you don't mind your rig running like a jet engine at startup.. :rolleyes:

There's certainly a place for hackintoshing, especially for an i7 GTX780 gaming rig, but you are still paying about $2k to build one. That does save you some, but you certainly don't get horsepower to do other things. It will make those pretty pixels fly however.
 
Wow. I just go by the tonymacx86 buying guide, and the December one says that 2011 sockets still don't support power management features. So they've got wrong or maybe haven't updated it?

For LGA 2011 you do still need a DSDT for power management. However there are tools to easily make DSDT's, the new Mac Pro is LGA 2011 and once 10.9.2 comes out we will have the necessary files out in the wild to enable it without DSDT's on LGA 2011.

No, if you are a serious hackintosher, you don't mind your rig running like a jet engine at startup.. :rolleyes:

This is disingenuous. My system is a LGA 2011 hackintosh, silent. Completely silent. Just get a good CPU cooler. Fan speeds on GPU's and system fans work normally and if you can keep your CPU cool (which a good cooler will do) the fan wont spin like a banshee. But this is if you're choosing to run without power management, there are power management options available to allow the CPU to enter its lower power states.

Actually, it has 48 lanes.

40 lanes of PCIe 3.0 from the CPU package, and 8 lanes of PCIe 2.0 from the C602 chipset.

You're totally right I overlooked that. Since that is the case I'm going to assume that both GPU's are indeed running at x16 and the remainder is being used for all the other stuff. Ethernet, Storage, Thunderbolt, USB and so on.
 
#1 = Lackluster performance.

#2 = No CUDA. My workflow requires it.

Very disappointing after waiting years for an update.

My mid-2010 cheese grater Geekbenches 30,883
 
Performance and expandability are the biggest problems. Consequently it is accelerating my move away from Mac for work tasks. Love my Retina MBP for email though.
 
For this reason, I'll be switching (regretfully, since I've use MPs for many years) to a linux workstation. Dual 8-core Intel® Xeon® Processors E5-2650 v2 and a single AMD FirePro V3900. About $4800.

I sincerely hope you know what you are doing. It is not all about performance. It's about the workflow.
Linux is wonderful for servers but I think it is woefully inadequate for workstation uses.
I say this primarily because of the annoying frequency of updates and the much more difficult software install process. You will also NEED to know some command line stuff to get around in linux. Ubuntu, Redhat, Debian are great and all, but I still need to type in some CLI stuff every other day.
Don't get me wrong, I use Linux boxes to image our Windows workstations. I also run a wiki/webserver off some linux boxes. They are much more stable than any of our other Win or Mac computers, but man oh man, when I get back into Mac land it's like getting out of a Ford Econoline and settling into a nice Benz.
 
Yep all works great. Even dual-GPU's work now under Mavericks without hacks.

Lots of people have built SR-2 based Dual-Socket systems and I've seen quite a few Asus Z9 based setups too using newer E5 XEON's.

Speedstep is not yet working with the new E5 V2 Xeons. It may once the Mac Pros actually ship, with an assumption that there will be a 10.9.2 to go along with it. But as of the current release of 10.9.1, no go.
 
doesn't that simply require you to stop using mac for work? what's the holdup? seems like a one day decision instead of a 6 month gripe fest

Yes have switched for the most part now that the new workstations are finished. Will probably pick up a 12 core Mac Pro for Smoke but that's about it.

Not sure what you're referring to about the gripe fest comment. OP asked a question. I answered it.
 
I sincerely hope you know what you are doing. It is not all about performance. It's about the workflow.
Linux is wonderful for servers but I think it is woefully inadequate for workstation uses.

I agree, and I've been into Linux since the .6 days. I still use it daily, but it's a PITA. Windows too, only under OSX can I virtualize all three OS's.

The fact is, Macs were never about maximizing anything. If you want customizability, highest performance or flexibility it's not the platform for you. I don't know why this is coming up.
 
Here are 32 bit processing speeds benchmarks single and multicore
No 12 core yet
but we will see them soon
This is only for 8 core so we can assume 4 and 6 will be much slower
 

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I'm most disappointed that there are people spending all that money and not getting a mouse or keyboard. That's my only disappointment.
 
Too narrow focus with hardware options

I'm not a graphics professional so the dual workstation class GPU's is wasted on me. I'd rather have two CPU cards, with twice the available memory slots and a single GPU. I tend to use my machines as a VM lab so that would suit me best.

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I'm most disappointed that there are people spending all that money and not getting a mouse or keyboard. That's my only disappointment.

Can't have anything spoiling the shape of the box, or the unboxing experience. ;)
 
I'm not a graphics professional so the dual workstation class GPU's is wasted on me. I'd rather have two CPU cards, with twice the available memory slots and a single GPU. I tend to use my machines as a VM lab so that would suit me best.

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Can't have anything spoiling the shape of the box, or the unboxing experience. ;)

Lol
Put it on the box on the side where the apple logo is.
 

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I sincerely hope you know what you are doing. It is not all about performance. It's about the workflow.
Linux is wonderful for servers but I think it is woefully inadequate for workstation uses.
I say this primarily because of the annoying frequency of updates and the much more difficult software install process. You will also NEED to know some command line stuff to get around in linux. Ubuntu, Redhat, Debian are great and all, but I still need to type in some CLI stuff every other day.

Well, I hope "woefully inadequate" proves to be hyperbole.

I'm fine working from a command line. I use Terminal all the time as it is. Used to compile lots of apps from source---until I discovered MacPorts. :)
 
As for now my disappointment is questionable OpenGL performance.
Current benchmarks made me cancel order and wait for more answers before ordering again.

Rather wait and be happy instead of buying it now, open the box in two months and be even more disappointed.
 
My main disappointment is the lack of internal storage; don't get me wrong, I love the tiny form factor, but they could have made it a tiny bit wider in diameter and in doing so made ample room to install one 2.5" drive per GPU board. The SSD is impressive, but for those with more modest storage needs it would have made things a lot easier, tidier and more affordable.

On that same vein, why only a single SSD? I expect the answer is that they're already pushing the limit of PCIe lanes pretty hard as it is, but the ability to fit two SSD blades could have made things easier too, imagine the speeds you could have had with two in a RAID-0!
 
I'm most disappointed that there are people spending all that money and not getting a mouse or keyboard. That's my only disappointment.

The way I see it, if they can't afford a keyboard & mouse they definitely can't afford to buy a new Mac Pro.

The lack of power. The super slow clock speed of the 12-core. The crazy prices for 8-core and 12-core when their clock speed is lower than the 6-core, which makes the 6-core a faster computer. Makes no sense at all. Oh and dual graphic cards, for me it´s an overkill, I just need one.

Its not an Apple thing, its Intel thing. The same Intel processor is used in other workstations by other manufactures.

Its apparent you don't work as a professional who would benefit from such a processor.
 
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The biggest disappointment thus far is no videos showing how "great" the nMP is. Lots of Youtube unboxing showing there was a computer in that small box. One unboxing actually had the nMP connected to a monitor and played something on the screen! :p Wow! Only one vid showing FCPX playing 4K footage with 18 efx. I posted a link showing a 2010 12 core playing 9 trks of footage in PP5.
There are endless benchmark comparisons. I am waiting for hardware comparison. Show the nMP performing tasks that could not be done with the previous models.
Many of the purchasers may have gone from 1,1 or 2,1 to the nMP so everything to them is "wow"! Will continue to look for videos showing the nMP "in action"! Enough theory and benchmarks! :D
 
For this reason, I'll be switching (regretfully, since I've use MPs for many years) to a linux workstation. Dual 8-core Intel® Xeon® Processors E5-2650 v2 and a single AMD FirePro V3900. About $4800.

Get a VM of Windows or a VM Hackintosh and you’ll never look back. Linux has made huge strides and now that you can put all your fancy programs that need Windows or OSX so easily inside a VM, why bother paying these kinds of prices for inflexible machines...
 
Get a VM of Windows or a VM Hackintosh and you’ll never look back. Linux has made huge strides and now that you can put all your fancy programs that need Windows or OSX so easily inside a VM, why bother paying these kinds of prices for inflexible machines...

For one, not any virtual machine that I know will let you run Mac on Linux or Windows, only on another Mac.

Don't forget your sharing resources between the host & client machines. Performance may be exceptionally poor on many professional software programs, if it will run at all.
 
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