Slow rendering on Xeon E5 - 2697 v2

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Godzil

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Sep 10, 2014
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Hi!
I bought new workstation to do my renderings in 3ds max 2012 + VRay 2... currently.
The workstation is using 2x Xeon E5 - 2697 v2 so it has 24 cores = 48 HT. Its a beast, but the renderings are slower, than on my older machine - i7 2600k !!!

It may be important to say, that cinebench r15 has correct results (close to 3 000), and CPU is goin on 100% during rendering.

I would be greatfull for any kind of help cuz Im so... so stressed out lately :-/

Cheers!
Chris
 
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''It's greatly accelerated by gpu, your old system probably had a strong one and this doesn't. ''

I was wondering about this myself with the on chip i7 gpu and no gpu on the xeon so whats it using to get video ???

if its got a card installed with the xeon I cant see it to be weaker then the I 7 or can it [???]
 
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VRay is not GPU renderer, at least not mine version :)

Old PC has GForce 560, new one has GForce 780TI 3 GB so the GPU is also much, much better in this new workstation.

SSD is also present ofcourse.
 
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Temps are very nice when the CPU is working. Max 55 C (a bought nice, silver arrow cooling). Also all tests says, that all cores are reaching max speed (~3 GHz)

And im lik 80% sure that im using VRay correctly 😛 Working on it since around 6 years now, doing tons of commercial renderings on it for my clients.
 
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Quite funny how our post typing keeps crossing over each other. 😀 In case you're wondering,
I just misread junkeymonkey's post as being from you & incorrectly inferred your system had no
GPU as a result; by the time I clicked Submit, you'd answered with the rleevant info, then I
realised I was talking nonsense, and edited it out. Ain't super fast forum stuff fun? :)

Anyway, meant to add, alas I don't know to be honest, not sure why you're seeing this odd behaviour.

Ian.

 
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Yea I notcied that 😀

And also yea, its odd and i'm A BIT dissapointed after buying this workstation. But I also noticed that Im not the only one, even read that its a VRay problem but its not officially confirmed i think so im searching for the solution (sorry for my english)
 
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Hmm, just a wild thought - try turning off HT, see what happens... thinking maybe the thread management
isn't as it should be, perhaps shoving disparate threads across cores on different CPUs, instead of keeping
related threads on the same CPU, or indeed within the same core. If there's a lot of unnecessary chip-to-chip
chatter, that could kill performance easily, while at the same time looking like the cores are being maxed out.
Naturally, this wouldn't be an issue in a 1-chip system.

Note that the cores running at the rated top clock doesn't mean they're being exercised 100%. Best to use
a proper performance monitor tool to be sure.

Ian.

 
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Maybe maybe. I tried to do it by menager already but it just slowing down more. I will try to do it by msconfig and boot menu...

 
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rendering will only move as fast as the slowest link in the chain. If you are rendering from and to the same harddrive then you will see (less than) half the speed you could be getting because the harddrive is being forced to read and write at the same time. I have 4 raid0's in my editing rig and though I'm sure my rendering aren't nearly as complex as yours I managed 100MB/s (OS, Scratch, Source, Destination)

Check your drive usage in Perfmon.
 
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My motherboard is Asus Z9PE D8 WS
And I have 32 GB DDR3 Kindgston Hyper x 1600

Also i have 3ds max and VRay installed on my system disk: 512GB SSD Samsung 840 PRO
and Im wrint my render to a Seagate Barracuda 7200. Is that good...?
 
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could start with a cmos reset.
try slimdrivers......... motherboard driver update utility that actually works and is truly free.
a BIOS update.
try running the minimum amount of ram and see how it goes..........
try run memtest.
don't want to scare you but you should check user reviews of that board. seems to have a bad rep.
also think about ssd software updates and utility settings.
and would try running without the HD............. and in the reviews I mentioned /there was complaint of what mode they were running........ ueif bios i think a complaint was.
something is askew with that board.
 
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Hi guys!
Thank you all for your time and help, especilly swifty_morgan cuz after his advice i've noticed a performence gain. But the main problem was.... in this stupid freakin' bugged soft from autodesk... the one and only... Bitmap Page :-/ I totally forgot to turn this crap off and it solved all my problems. Guys from Chaos Group remind me about this.

After this I've noticed HUGE speedup! Now I can tell to anyone who is thinking about upgrading a workstation, that my Xeon is at least 5 times faster than i7 during rendering on VRay and Corona. I've done many testes on many different setting. Displace, huge testures and other stuff cant win with this beast :]

Thx again!
 
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