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...but why not just put the fan over the where the GPU and memory chips are? That would make more sense.
Or do like AMD does with the Fury X and go to a fluid based cooling system.
You can but it may reduce the surface area of the cooling fins, so the air cooling is less effective. That means either higher fan speeds or less cooling ability. Below Titan X heatsink, which is pretty large with one blower fan to the side.
http://www.puregaming.net/wp-content/uploads/2015/12/titanx_heatsink_w_600-730x430.jpg
Below is a twin fan cooler placed over the top of the components. Here the cooler fins are not as deep due to the thickness limitation of the PCIe slot, so you need more than one fan. Water cooling needs much less surface area, so it doesn't have to have the space for the cooling fins.
https://dlcdnimgs.asus.com/websites/global/products/sjiKJMMbjgY73Ell/img/burger.jpg
...so by that token, if a Hydro version of an HBM "Titan P" were released we might then see a smaller form factor similar to AMDs Fury-X.
Some interesting results for the older cards:
https://www.pugetsystems.com/labs/articles/NVIDIA-Iray-GPU-Performance-Comparison-785/
Well, the new Titan-X (what we have called the Titan-P) has been announced. Details in this thread: http://www.daz3d.com/forums/discussion/101816/new-pascal-titan-announced-1200
$1200 US. 3,584 CUDA cores at 1.53GHz. 12 GB of GDDR5X memory. Available from nVidia directly on August 2nd.
No further need for speculation.....
I saw it this morning , http://arstechnica.com/gadgets/2016/07/gtx-titan-x-pascal-specs-price-release-date/
well I expected it to be better with more VRAM.. 24% faster than 1080 .. meeeeh ! for the new stock Titan X 11 ... however manufacturers are going to make something better from that stock card soon but of course at higher power consumption than 250W what is out of my interest.
I am glad I have what I have for now and waiting for something better in the next 2 years to arrive ..
Cath,
A while back, I worked out the cost per cuda core of the Maxwell cards. Best value for money were the 970 and the 980ti. Poorest value were the 980 and the Titan X, although the Titan X did have more memory, of course. The Pascal Titan seems to follow this, roughly twice the price of a 1080 but significantly less than twice the cuda cores. It looks like my plan to buy a 1080 in a few months time and another one next year could be the way to go.
Cheers,
Alex.
Hi Alex, totally agree ,
It is of course true, and valid.
That extra memory though is different and has a different value or set of values applied to it.
There are work arounds to using a card with half the memory.
I could buy 3 980ti for not much more than one titan; but if it won't fit in memory, I waste time splitting up parts of the scene, or other work arounds, or I put up with massively slower renders.
... So it is: what price is that extra memory is worth?
After the hastle with the current scene, I'm reevaluating. :)
To load 17 minions poly into DS scene in open GL it will use around 1GB vram and DS will use 4.4GB of system RAM and will last very long to load.
17 milion poly = 692 Genesis on sub 1 level without textures or 17 Stonemason Fern Lakes
you will have trouble even smooth operate Studio after you load it as DS is not build for that
now you switch to iray , it will use 4.3GB of VRAM from your card and over 5GB of Vram total to render it
so that is where 6 GB card come handy at max
or
You can load uncompressed 95 x 4000x4000 color textures with 6 GB card in iray or 190 at half size .
so hiding your poly and removing object parts really no matter , what matter is the amount of textures used and its resolution and as you already know compressing jpg in your photo editor will not help you as Iray read data per pixel so the resolution counts
So having a very low poly model with a lot detailed textures for replace some missing parts will take more space in iray than having high detailed model with less textures and correct shader
A lot of poly in your scene will not take much vram but will slow the viewport performance, textures will not slow down the performance of the viewport but will take all vram
...this is exactly my point. Once the scene file exceeds VRAM and drops to the CPU/Physical Memory, those 8,448 CUDA cores are absolutely useless.
Considering my GPU has only 1 GB, I'm already on Physical Memory (total 11 GB after Windows) having Daz with that railway station scene open. So now as the Daz application and scenefile is taking up over a third of my avavilable Physical Memory it leaves even less for rendering. Once Physical Memory is exceeded, the process drops into Virtual Memory which is even slower. This is what I am having to deal with rendering in Iray.
That is all correct but your 11 GB System RAM is not what will be in your VRAM , the process is little different , Example : My system use 4.8 GB when DS is Open but vram only 999MB
and with 1 GB of Vram you can't do anything in iray , rendering an image will take more so not even space for anything else , and openGL ? monitor etc.. no possible
and I adore people that render in iray with CPU for their patience , I could never do it my CPU rendering is over since release of Octane and I never want to come back to it even if I had to eat Chinese noodle in a cup for a month .
Yes, a lot of it has to do with optimization and well-built models. Large and small textures should be used when appropriate, as well as high and low poly items...
...I've been losing my patience with Iray CPU rendering. All I can really do are exterior scenes as interior ones take almost as long as Reality/Lux to render "clean". I have yet to even bother with increasing the render quality. Octane would probably be the best solution for my current system but the 600$ price tag + the cost of even a 6 GB 780 TI GPU is way too much for my budget.
Sat down and estimated to cost for a system that would be the most optimal for Iray, and I'm looking at over 6,000$ (based on dual Titan-Ps with hydro cooling which I estimate will probably run about 1,400$ each 1,400$ is about what it cost me to build my current system sans display).
I don't need a render to finish in 30 - 90 seconds, I just don't want it tying up my system for a day or more.
I don't have a 50,000$ a year job that I can afford the exorbitant rents and living costs where I live while keeping pace with the tech curve at the same time. This was supposed to be fun, a means of relaxation, but I find myself getting more stressed about it every time something changes and I cannot afford to adapt.
I think you can get less than 5K for super system if you choice right .. build it slow as I did in 12 months .. started with $2000 rig and build up slowly
Octane use by default the same mode as Interactive in iray , it is Direct Light with Ambient Occlusion that why it render faster ?..no it does not , it render faster with multiple GPUs thanks for great GPU scaling ..
If you use Indirect light in Octane it is not faster than Photoreal in iray .. and that is common mistake that make people thinking it is faster ..they use the wrong rendering mode
....2,000$ would barely get me the MB I need, 6 core CPU, dual SSDs, and memory (you want to get your memory in a full kit from the same die batch for stability and reliability). Tack on another 1,200$ for a single Titan P (air cooled) as the Titan-X is now obsolete and can't be found "new" (not going to put used components in the system). Replacing components to "expand" or update the system is not cost efficient particularly when on a tight budget so I need the full base core of the system as designed.
Since now the prices of new Titan X cards is dropping down, is it better to buy a Titan X card (only 30 % more expensive than 1080gtx)
or wait for the iray drivers for 1080gtx and buy it instead. Titan X has 12 GB GDDR5 vram. What do you think?
Probably I will wait to the release of new Titan P, to see how it will affect the prices of Titan X.
Even better deal is on 980ti - on can buy a new one for the 50% of the price of Titan X card, but it only has 6 GB GDDR5 vram.
Since now I have only 2 GB of GDDR5 vram on my Nvidia graphic card, any of the above cards will make a big difference.
The old Titan X cards are already out of production and not sold anymore by the manufacturers for that reason the higher prices as it is hard to get and will be even harder soon .
I think for you will be the best choice to wait and see how the new cards perform in iray and make the right decision .. and forget about the 9 series already
I paid for my 2 Titan X last year $1229 for each card when they was released as I need faster rig to do my job .. if I had nothing now I would wait for the new cards and see the performance and based on that decide what I want and what is the best choice for the money ..
I wouldn't buy the old titan at the price, it's way too much.
still about £1000 over here, and a little more. Presuming (I hate doing that) that there are significant gains for the new titan, as the - admittedly - meagre evidence suggests, then there is going to be a bigger performance boost than the price increase suggests. Even then, waiting for the titan with HBM2 memory might be better still. The price though, oh the price. :(
..at 1,200$ US, a GDDR5 Titan P air cooled is too expensive for what it offers. I would imagine another 200$ for the EVGA Hydro when that comes out would not be out of the question.
Used Titan X's might be cheaper, but then...it's used.
old Titan X Hybrid was around $1500 , it is not just the $99 cooling but also different bios to make it much faster at the base clock . Anyway still not worth the price itiswaste of money
as you r
....true, but as I mentioned, any of the new Pascal series GPUs wil require I buld an entrirely new system as my current hardware is out of date and therefore incompatible.
So what did the EVGA Titan-X Hydros in your system cost?
Well, I will wait then. In the meantime I have tested gtx1080 on my son's computer in Blender.
When trying to render in Cycles on GPU, it gives only the "CUDA kernel" error.
Right now this graphic card works only in Unity and then it gives more than twice as much of performance boost
over his previous Nvidia card 970.
You mean Titan X Hybrid ( Hydro is with only water block for central water cooling ) last year when I purchased my first 2 cards, Titan X was around $1000 , Titan X SC $1229 and Titan X Hybrid $1500
My first was Titan X SC $1229 each , then I upgraded it with Hybrid kit $99 so each card cost me $1328 each still cheaper as original Hybrid and run at the same speed . This year I got additional 2 original Titan X Hybrids 1 for $1099 and the other for $1000 so I spent $4755 for my 4 cards
The new Titan X P base price is $1200 so it is not going to cost less for a long while , now you add Hydro kit for $99 ending in the same price range as me last year with Titan X SC + Hydro kit but whwn EVGA change the bios , set it at 1800Mhz or more and add more power it will cost no less than $1600-$1700 so in this case everyone will be happy to render with 2 x 1080 at the price of $1200 , 4 core CPU at max with 32GB of RAM .. best perfomance for the money
you need upgrade your PC
$1200 for 2 x 1080
$400 for CPU
$250 for Motherboard
$250 for RAM
1000W PSU or little less if not gaming
so you have super fast rendering rig for less than $2500 if build yourself and render in couple of minutes and not hours
I am not even using my 4 cards on a daily basic but max 2 as the viewport works wonderful and it render pretty quick + I can do all other stuff at the same time without even notice something is rendering
However you want the power of CPU rendering as well so that is different scenario and different planing egarding you CPU and RAM so the costs will be much higher
The application need to support the new architecture as well for full potential , DAZ could make Pascal run using currently codas in DS but the performance would be very drag so make no sense to torturing your new cards and waste time , Nvidia said they need to make everything else run perfect before they go into iray what is on the end of this 3 years long process and most important parts are still in Beta so you need to wait a little longer I guess .
....however, only about a 70% chance that a scene would stay in VRAM. Oh, and there is still the Pascal/IRay driver issue.
Not about to go back to duo channel memory either. One of the reasons I had better render times with 3DL was because of the way tri channel memory works. If I am going to shell out to build a new system, I'd like it to be a reasonable step up from what I now have, just like my current one was over the last. Again, I am looking to render in higher resolution for gallery quality printing. For ray trace (3DL & Carrara), that means a more memory and CPU cores.
There are still things that 3DL is capable of (and which I already have utilities/plugins for) which Iray does not support.
Well, nVidia just announced the new Pascal-based Quadro line at SIGGRAPH. http://www.anandtech.com/show/10516/nvidia-announces-quadro-pascal-family-quadro-p6000-p5000
P6000 has 3840 cores and 24GB of GDDR5X VRAM. P5000 has 2560 cores (same as 1080) and 16GB GDDR5X VRAM. No clock speeds or pricing yet.....
Set to be available in October.....
(edit: nVidia did announce the pricing would be similar to last gen, so expect around $5k for a P6000, and around $2k for a P5000.)
So focus on the base first what you need CPU, memory etc.. and build it up slowly as your budged allow you or you will never have it.. unless you hit the lotto of course so you can buy everything at once
next year new stuff come out as usual and you will calculate again .. I did this some time ago and wasted 3 years lol waiting for cheaper components not working as before ..as you see they stopped the production and everything vanished at lower price , and everyone that was hoping for lower prices of old Titan X wasted 12 months , it is all moving too fast and on some point you need to make the decision and go for it and no matter what you do you going to lose your money after .. that is how it works , it is bad investment anyway , the moment you open the box the value sliding down already .
remove the snake from your wallet and start build from the basic ..
I just said it yesterday, they keept the 3840 cores for Pascal Quadro ... and I suspect the core clock will be lower as usual ... nice one anyway but the price
....just looking to plan for expendability without needing to fully replace components.
Yeah I guess I could use the 1060 or 1080 to drive the displays when I was able to afford a Titan-P WC (or Titan-HBM when that comes out). Still need the x 99 MB as part of the core to get the memory and PCI slots needed for expansion. Again it is recommended to purchase a full memory kit from the same silicon batch than to mix & match so for expanding memory, it would mean effectively "tossing" say the 32 GB for a 64 or 128 gb kit when I can afford it. The CPU choice also needs to be part of the core. as that is an expensive replacement. PSUs on the other hand are not that terribly expensive so no reason to scrimp there. PCI SSDs are much faster than SATA III and tend to be more solid as for reliability and service life.
Basically I would like to minmise the possibility of having to effectively build yet another new machine just to upgrade when the money comes available, as like I mentioned, depreciation on computer parts is hell.