Just got my new i7-6950X (10-core CPU) 1080ti
Bobvan
Posts: 2,653
in The Commons
Man this thing flies!
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How much time does it shave off Iray renders when you do GPU+CPU vs GPU only?
I will have to test it I just installed DS and running GPU only right now its already so much faster I am going from a 4 yr old i7 with a GTX980 a render that took 10 to 11 hours is looking pretty good after 22 minutes but still has to bake with this processor should I be combining CPU & GPU?
My wife gets the old one to play on facebook...
On some setups with high end GPUs or multiple GPUs adding the CPU into the mix can slow render times. With your 20 CPU threads and quad channel memory (hopefully you are running 4 matching sticks) that should be fast enough to give your render times a boost. It will be up to you to decide if there is enough of a boost to justify the added ectricity cost from maxing out a 140w CPU.
I get a pretty decent boost adding my dual Xeon X5570 CPUs (quad core i7 based xeons) in with my GTX 1060
So far that render that took around 11 hours looks almost finished under 1. I will have to enable CPU and compare take it back off if not better..In any case it was well woth it and I had the means due to having to sell my high end drums due to suffering from some tinnitus not fun have barely slept in a month. Here is hoping it settles at some point..
Congratulations! Render lots of beautiful images.
Thanks it's a beast!!
On your "benchmark" renders I would choose something that will render quicker, or render at a lower resolution so you are looking at two 30min renders instead of two 10+ hour renders.
There is an Iray benchmark scene that is on sharecg and has a coresponding thread on here that only uses assets from the Starter Essentials.
I render custom projects the last chapter for this customers story is taking me the day vs what took most of a week!
That sounds great, Bobvan! Did you build it yourself or purchase a prebuilt system like Alienware?
Custom made at NCIX computers asus board extra cooling high end parts
Did you get that kind of performance boost with just a single 1080ti or did you get multiple graphics cards? Do you need liquid cooling on a beast like that?
I Believe it is this chip https://www.daz3d.com/forums/discussion/167666/anyone-have-the-i7-6950x-10-core-cpu#latest it was pricey but as mentioned above I sold my drums and commish $$ made it happen.. Since I am giving the tower with the 980GTX to my wife who is just going to surf and facebook. I asked to combine the cards in the new rig, they said there would be no advantage.
Ok I am trying combo rendering right now. I was buying it for about $1500 less then saw the post here on the chip. Since they had not assembled it yet. I was able to swap the chip. Its a huge jump in times in any case..
If your scenes can all fit into the Vram of the GTX 980, then you should get a nice rendering performance boost by running both cards. Otherwise you could run both cards with the GTX 980 powering your display, and the 1080ti reserved for Iray rendering only.
I have to go there next week will see if they can do it..
No just a better cooling pack
For those of us still learning about how to put together a system, a pointer to a complete build list might be helpful. I don't understand the problem with the memory from the graphics card being used for the display; don't most systems have a (very limited) onboard graphics chip that can drive the display?
Im not mr PC wizard either I told them what I wanted & what for this is item list. I wonder too if I really would gain that much speed by using my old card for the display seems pretty fast as is... Like I said I rendered what used to take over 1/2 week yesterday..
...well for one as you have only two memory sticks you cannot take advantage of quad channel mode which requires 4 sticks minimum.
No SSD? That would have sped boot up and programme loading. My next design uses two SSDs one for the boot and the other for my library drive. The HDDs I included are only used for backup/storage.
I would suggest digging up the extra 139$ for a W7 Pro OEM, as like I mentioned W10 reserves memory leaving you with just under 9 GB available for rendering. Also W10 home pretty much puts your system in MS's control with regards to updating. You could be working on a scene or rendering and *pow* everything is lost because the system auto reboots, and if it is a major update (not just a monthly patch) it could be unusable for an hour or more.
The memory thing I'm speaking of has to do with Iray. The entire scene gets loaded into the GPU memory (or into the memory of each GPU that is being used for the render) And looking into it, if your old card is a regular GTX 980, it only has 4GB so probably not the best for teaming up with your 11GB GTX 1080ti on Iray renders. Though enabling and disabling each card in Iray is just a check box.
For running your active viewport the 980 is plenty powerful, so you would plug your moitor into the 980 and use it for your day to day computing. The 1080ti will sit idle and oly activate when you are rendering in Iray. Plus that also means that your computer would still be completely usable and responsive while rendering.
About the main system ram. Your system supports quad chanel memmory. that means your RAM stick configuration should always be in matching sets of 4 in your want to maximize performance. Your motherboard has 8 slolts for memory. They sold you 2 sticks @ 8GB each. They sould have given you 4 sticks @ 4GB each for the same total of 16GB they will all access faster in this conifiguration.
Edit went by it is 32G if you look at the end on the invoice it's 2X 16 G 4X 8 can be expanded to 64 like I had requested.. I am going to look into the card
Oh.. I see. It is 2x8GB quantity 2. for a total of 4x8GB = 32GB
Yeppers its insanely faster as is. BTW I also have a 19 month old ROG asus 24G laptop with a 980M that I set up scenes on at breaks at work and use it through my 4K 65"TV so my tower just mostly is left to render..
If you abandon Windows 10 and DirectX 12 for Windows 8 or Windows you will be abandoning the speed improvements of much improved parallelization of computing made available in Windows 10. You also are increasing the chances of bluescreening BSOD with Windows 7 / Windows 8 because of graphics driver problems. The decrease in video RAM in a minor impact that will effect less than 5% of the renders you'd ever consider doing and even for those it's an easy work around for you to simply do compositing.
You also have to consider that Microsoft decided out of respect to create patches for decade / decade and one half old operating system Windows XP only because of the recent NSA hacking bug tools being used to comit crimes so what sort of bug and enhancement support would you expect from Microsoft going forward for Windows 7 and Windows 8?
Really, choosing Windows 7 or Windows 8 instead of Windows 10 with the latest hardware tech is like punishing yourself.
It has win 10.. was not planning on changing I always liked it on my 2 machines and runs better then my old 7 laptop..
My day to day use computer is using a 43" 4K tv as a monitor, it's nice having that much screen real estate.
Did you ever get a chance to test the rendering speed diffrence betwwen your GPU only and GPU+CPU?
I did did not see a huge increase and ran alot hotter so I ticked it to GPU only.
Im getting 20 minutes for indoor scenes compared to hours before..
Awesome ! wishing you many hours of enjoyment creating 3D on new system.