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  1. Hi, Looking for some advise if anyone has the time on a the specs of a new GPU */ 3ds max-Vray RT render node. I am wanting to build a machine with 4 x 1080ti cards, and*I have a few question if anyone wants to chime in much appreciated -What impact does the CPU have on a GPU rendering machine - ie can I basically pick the cheapest intel i7 I can find? -Motherboard specs? I see in some of the commercially pre built systems from various vendors they seem to use workstation motherboards and xeons, (at greater expense) is there any reason for this over say a gaming atx baord with 4 card slots? -What impact does RAM have...? -Power supply, I am assuming a 1500W would be required.* -Of the cards available, anyone recommend a particular brand? Does a factory overclocked card offer a significant performance increase? Here's my initial spec based on my assumptions above...which may or may not be reasonable!* https://pcpartpicker.com/list/rYFdTH Intel - Core i7-5820K 3.3GHz 6-Core Processor Corsair - H60 54.0 CFM Liquid CPU Cooler*Asus - SABERTOOTH X99 ATX LGA2011-3 Motherboard Crucial - 16GB (2 x 8GB) DDR4-2133 Memory Samsung - 120GB 2.5" Solid State Drive Gigabyte - GeForce GTX 1080 Ti 11GB Gaming OC 11G Video Card (2-Way SLI) x 2 (will become 4 eventually) NZXT - Phantom 820 (Black) ATX Full Tower Case Corsair - AX1500i 1500W 80+ Titanium Certified Fully-Modular ATX Power Supply Total:** *$2884.80 USD * * * * * Thoughts? Thanks!
  2. When the CPU render output edges smooth and well But When CUDA render not smooth edges, asymmetrical lines what's the solution!!!?
  3. Hi all! Apologies in advance - lengthy post as I've tried to do as much research as humanly possible before seeking and third party advice. We built a Vray RT - GPU orientated workstation a few months back (Thanks Dimitris for the helpful advice) & after a few teething issues all has been going great. We have now utilized all of the available space in our build with 3 Titan X's & due to increased workflow we really need to double that GPU render power (3 more sc Titan X's due to the 12gb - will expect to replace these once a pascal alternative is available, from what I understand the 1080 doesn't utilize nvlink so I don't think that's a viable option). I've been researching on various forums the most cost effective solution and so far I've come up with the following options: 1. PCIe risers / splitters (best option appears to be http://amfeltec.com/products/flexible-x4-pci-express-4-way-splitter-gpu-oriented/ £300): These look like the cheapest & most scale-able route to go down, however I'm learning that we may be capped by the number of gpu's that windows can handle (We're currently running windows 8.1) am I right in thinking that we could in all essence get up to 8 titan X's been utilized by one workstation? 2. PCIe Expanders / enclosures (Netstor, Cubix, Amfeltec etc avg £2k before gpu's) - these seem like an expensive option to say that the above is in all essence the same thing (- the housing & fans) & the fact that we could build our workstation again for the equivalent cost if not less (- the Titans of course), also wouldn't the same windows GPU limitations apply here? 3. Workstation tear-down & rebuild with further expansion in mind (£?) - no idea where to start here, any recommendations would be hugely appreciated if you feel this is the route you would take. 4. Additional / identical workstation (shopping list comes to £1700 before GPU's) - this is obviously the easiest option for me as we've already built the one here and know the pitfalls that come with the current config - however I expect that this could be another can of worms in terms of getting dr running for both animations & stills, not to mention file sharing, network latency issues etc etc (I've never messed about with DR in a production environment & I currently have all assets saved on secondary local hardrive with cloud backup) 5. GPU render node (£?) - no idea where to start here, any recommendations would be hugely appreciated if you feel this is the route you would take. Additional notes that I have taken down from various sources - hopefully you can help me sort out the chaff: 1. PCie lanes(?) 16x 8x etc don't have a detrimental impact on Vray RT rendering speed, however ray bundle size & rays per pixel will need adjusting in order to maximise efficiency. 2. One titan X counts as 2 gpu's under windows environment - device manager tells me different? 3. Windows limits the number of available GPU's to 8 4. GTX 1080 doesn't utilize nvlink so it's memory won't be stack-able. 5. 40 lane CPU (specifically 5960x in our case) will be able to serve all available gpu's 6. Each Titan X needs at minimum 250w of available power supply. Main goals: Stable - scalable - cost effective (I know the Titan X's can be costly but there doesn't seem to be a cheaper option available that fits our needs right now.) Our current workstation build is as follows: Corsair Obsidian 750D (we were in in the fractal R5 but the third titan x forced an upgrade ) X99 deluxe 5960x with h100i 64GB ballistix sport 1Tb 850 pro (x2) Titan x sc hybrid (x3) SuperNova 1300 gold The above workstation was our first ever custom build & I'm really happy with the results, the route for expansion seems somewhat bewildering to me though & the more forum posts I read the further from a conclusion I get - hopefully someone can chuck their 2 cents in and help us reach a final decision. Thanks in advance
  4. I am planning to build a machine to be used with 3ds max and VRay. At the moment, due to old hardware, I only use CPU rendering. Having played a bit on a workstation with a GTX Titan, I like it and think it could fit my workflow to use VRay RT and/or the progressive renderer. I did quite a bit of a research and for me the GPU is the hardest thing to decide on. The way nVidia cripple cards and how they position them, makes choosing one, even for a somewhat aware computer enthusiast willing to go and do research, overwhelming. Drivers and lack of optimization for different applications confuse things even more. In short I would like both great viewport performance and VRay RT too. I see people praising the Quadro K2000/K4000 and at the same time people saying Quadro cards are useless nowadays for 3ds max viewport and that GTX cards outperform them. A thing to consider is I am using a mATX case so there is space for two double width cards with no space between or around them. An option might be to buy one card which would be very good for viewport and maybe still good for RT so I could experiment and see how it goes. After that I could buy a great card for GPU rendering (Titan Black, GTX 780 - version with 6GB). If I go that route I could wait for the new series for the second card. For that computer case (TJ08-E) a reference design would be better, so it would blow the hot air outside the case and two cards would survive inside. Parts chosen: Case: Silverstone TJ08-E (CaseKing.de noise insulated version) CPU: Intel i7 4930k Tray CPU Cooler: Noctua NH-D14 SE2011 Motherboard: Asus Rampage Gene IV GPU: Confused (VRAY RT, Progressive rendering) RAM: Crucial Ballistix Sport Very Low Profile 32GB Kit (8GBx4) DDR3-1600 1.35V (Low profile needed because of the CPU cooler) PSU: EVGA SuperNOVA G2 750W or Seasonic 750W X Series SSD: Samsung 840 Pro 256GB (bought it last year) 3,5 inch Bay SSD Drawer: ICY DOCK MB992SK-B Any help would be greatly appreciated.
  5. Hi , I would like to know what the RAM on the graphics cards do in GPU render with Vray . I want to buy the new GTX Titan X for Vray RT ( 12gb ) Or the GTX Titan Z , but is really expensive Thanks
  6. So I came across this demo of Firepro W9100 on Vray RT using OpenCL It seems the speed is comparable with CUDA but that is one pricey card though. Can anyone confirm if this can be achieved with Radeon 79xx or Firepro W series? Since they are not Hawaii card like the W9100.
  7. Hello I'm Nuno, from Portugal. I work in architecture and video. My head it's exploding. I worked with max 2011 64 and vray 2.20. my vray rt never work. shows up a message of vray (in ms-dos mode) entering server mode - wainting for render requests os port 20206. In this moment i also install max 2012 64 and vray 2.30... the same thing happen. the only way i have vray rt working, it's when i install the demo version of the chaosgroup. it's very limited of course. can you help me? i don't know what to do... vray rt it's very important to the workflow... thanks
  8. I know this is probably futile to enquire, and it's not the first time I've mentioned it but... Does anyone else get this: They work using vray RT on a scene and then it just dies and will NEVER work for that scene again - ever. Start a new scene, no problem. But as far as RT is concerned, it's out to lunch until you start a new scene. This happens 100% of the time and it KILLS my production time.
  9. Hi guys, I've been testing the V-Ray RT GPU beta at work and thought I would share with you the results. I'm definately looking to test more mid range cards as well as some ATI cards but for now this will do. http://www.jigsaw3d.com/articles/v-ray-rt-gpu-benchmark-test Enjoy!
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