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Do they really have that on the card, or dose it suck it from system ram, lol. Example GT 730 pic. Where, do they fit 4GB of RAM chips on that card, given the ram-density of chips at the time? And a better question regarding the RAM address traces. If the chip was launched with 2GB max, did it ever have the address traces to even function with more vram? It at least looks tempting for driving my monitors, with possibly a second card for Iray, possibly.
I've a current generation EVGA GT 740; Iray is reporting this as having "4096 MB installed, 3956 MB available, display attached'; so the current 740s do indeed have 4 GB on the card (I've blown at least one render after hitting 3.6 GB in use on the card). For $120, not a bad card - although in future it will be relegated to just driving the monitors.
Texture Atlas seems to be causing some kind of memory leak for me. After I use texture atlas to consolidate texture files for a model, all of the textures used by and generated by Texture Atlas seem to remain in memory. They show up in the list on the surfaces tab when I click on the arrow on a map to see the texture map in use and other maps in the scene. Deleting the model from the scene and running the Purge Memory script does not get rid of them. Even clearing the scene by selecting "New" does not get rid of the old textures. I have Automatically Refresh Images checked, too. Manual refresh didn't help either. Only closing the DAZ Studio application and reopening it gets rid of them. I submitted a help request. I'm using 4.8.0.9.
I've done some sample renders for a comparison between render engines.
My computer: HP Windows 7, 2nd generation Intel(R) Core(TM) i7-2670QM (2.2 GHz, 6MB L3 Cache) with Turbo Boost up to 3.1 GHz, 1GB AMD Radeon(TM) HD 7690M GDDR5 Discrete Graphics(TM) [HDMI, VGA], 8GB DDR3 RAM. Three years old at this point.
First render 3Delight
Monique default skin, out of box, no adjustments. Hair used one of my velvet shaders based on UberSurface. Clothes and metal bits are UberSurface based for 3DL.
Lights-Photo Studio Point and Shoot 2, default set up
Render time 13 minutes.
Second render Iray
Auto conversion from above on skin and hair, no adjustments. Metals from Iray shaders. Clothes are Iray shaders adjusted to mimic results from 3DL render. Lights-Photo Studio Point and Shoot 2 for Iray beta version (exposure value 12.)
Resolved to 45%, 906 iterations. Render time 57 minutes. (Probably could have killed it about 10 minutes earlier.)
Third render LuxRender using Luxus bridge
Auto conversion from above 3DL surfaces on skin and hair. Metals and clothes are Lux Shaders that I did not spend time on adjusting. I just went for similar colors to give the same feel.
Lights -Photo Studio Point and Shoot 2, default settings that automatically call on included LuxRender settings.
Resolved to 203.33 S/P, 286% EFF. Render time 2 hours 57 minutes.
I will leave it in your hands to determine which render is "best."
DG, I love it. There is so much stuff from the beginning of the month I have yet to pull out and run, and some of it is there in the renders of yours. If Point and Shoot 2, is that good already, then I got the wrong one, if that is possible, lol. The backdrops work, yes, yes, yes... Still I like the renders, and the surface conversions you did, they look allot better then my attempts.
(EDIT)
namffuak, thanks for the info, I was understandably skeptic of the appearance of the cards vs the claimed amount of VRAM on other sites.
...does this mean there is fallof on the spotlights now?
Oh my. All good stuff but I slightly prefer the 3Delight image here. Even though the iray one pops, it's almost too intense. The lux one's dress looks like plastic while the 3Delight dress comes out the softest.
I have to go to the opposite way of Spit on this one. I love the Iray render. Because a) it does pop more, but also b) I think it would be easier to mimic the 3DL in post using the Iray render as a base than it would be to mimic Iray using the 3DL render as a base.
This is why I believe the correct amount of ram is as much as can be afforded
...yeah, but who has 2.500$ for a Quadro K5200 (8 GB) or 5,000$ for a Quadro K6000 (12 GB)? Heck, even 1,000$ for a Titan Black (6 GB) is more than many of us can afford.
This is why I believe the correct amount of ram is as much as can be afforded
...yeah, but who has 2.500$ for a Quadro K5200 (8 GB) or 5,000$ for a Quadro K6000 (12 GB)? Heck, even 1,000$ for a Titan Black (6 GB) is more than many of us can afford. not me, lol. Give me a few less then that thousand CUDA cores, and more VRAM. It would be more productive for me, and probably consume far less Watts.
I've been hassled somewhat with a bug or two, where when I cancel an iray render it will randomly freeze DS and make it unresponsive, resulting in a crash. This with near certainly also tends to occur when iray itself stops making progress for some reason with the render, when you see iterations stop increasing, and nothing but time passes (usually it is early in the render). I don't know why this is happening or what to do to avoid it, I'm not maxing VRam, and daz itself is barely using any other resources. I am using both the graphics card (GTX 980) and cpu with iray.
On another note, The AUX viewport keeps refusing to stay minimized in city limits. I collapse the tab and when I'm not looking it returns lol Only a very minor issue though haha
I've had the same problem with DS Beta becoming unresponsive, and I'm running renders with CPU only. I thought it was a memory issue until it happened again the other night with a simple scene that's rendered many times as I test and tweak the Iray shaders on my character. The worst part of it is DAZ Studio doesn't generate a crash report for the developers. :(
One thing I would love to see if it doesn't already exist...is Iray capable of network rendering? I did a test render on my rig and it slowed it down significantly...so I'm betting it's a resource hog like most renderers. And I have a Quad core processor with 8GB of Ram running a 64bit OS.
My video card is pretty beefy too. :) So I'm just curious. LuxRender don't slow down my computer near as much.
So a 4GB card could do about half my kind of stuff consistently, the six figure line-ups may be pushing it to far (depending on how many HD's, and number of color scale cubes).
And forget about stuff like "Wrong Gate address", 28 daz dragons, Farewell LN, etc. The kind of stuff I do rarely.
So, Watt budget (50 watts full tilt), 4+GB, and non-obstructive in a recording studio when it is just on desktop and Sonar. (scratching chin)Note you can squeeze more than that out of 4GB of RAM, same scenario, as what I mentioned with 2GB.
Note that the Titan just had its RAM doubled, and last fall the Quadros (except the K6000, which does not have a new generation of card yet) almost all had their RAM doubled. That tends to imply Video RAM is going to go up in later models of this generation of GeForce cards. (One of the people at the office just got a new laptop and it has a 970M with 6GB of RAM in it.) Note that is speculation on my part. :)
...does this mean there is fallof on the spotlights now?For the old, base, 3Delight Spotlights, yes.
Note that a VCA is a "Visual Computing Appliance" Each one holds 8 of NVIDIA's K6000 cards. (And the bottom left frame is using 16 VCAs.) They are not cheap, at $50,000 each, but it does demonstrate that the only limitation with speed for Iray is how much hardware you can throw at it.
Set Decay to 2 for real-world inverse square falloff
I may be starting (starting??) to sound like a broken record, but please do feel free to implement network rendering. It's easier for me, personally, to throw more PCs at a problem than for me to rush out and buy new videos cards (and the PSU/s to power them).
Cheers,
Cliff
Yeah, we gonna pass on the purchase of VCAs. LOL! I realize that most of the products like this aren't totally geared toward hobbyists and enthusiasts, but the idea of throwing more money at an item to get better, faster renders seems counter productive to those of us in this group.
People who do this for a living may disagree. But, I can't argue with the results. My test render using IRAY looks great.
I've had the same problem with DS Beta becoming unresponsive, and I'm running renders with CPU only. I thought it was a memory issue until it happened again the other night with a simple scene that's rendered many times as I test and tweak the Iray shaders on my character. The worst part of it is DAZ Studio doesn't generate a crash report for the developers. :(
I had the same problem without doing anything. I opened the beta (the first one--haven't installed the 2nd one yet) and let it just sit there a while after doing a grab with the snip tool. Came back and DS Beta was unresponsive.
I suspect there's something to that, ie, when the rendering 'seems' to stop, the graphics chip is busy but nothing else is, just like my leaving Studio unattended? Weird though. Do either of you have a GPU monitor to check if the chip is actually doing something during that time?
Good point.
...yeah, but who has 2.500$ for a Quadro K5200 (8 GB) or 5,000$ for a Quadro K6000 (12 GB)? Heck, even 1,000$ for a Titan Black (6 GB) is more than many of us can afford. not me, lol. Give me a few less then that thousand CUDA cores, and more VRAM. It would be more productive for me, and probably consume far less Watts.
Emphasis mine. WATTs are the reason I currently have an i5 and a weak card. I wish I knew an electrician who could tell me what's safe for me in my aluminum wired apt. They did some work on the outlets a few years ago so that the aluminum wiring connects with copper at the outlet, but last winter there were too many bangs when the aluminum wiring which shrinks when cooling separated from the copper. It's scary. Once it turned on the dishwasher along with the bang and I was right in front of it at the time.
My microwave oven is only 500 WATTS and it just turned 29!! It's a great little bugger (GE Spacesaver) and I'm afraid to replace it. So I'm going to think long and hard about my next PC.
...sweet, as I still use 3DL for my storybook work.
...OK have the .0.9 update in the DIM. Haven't installed yet after reading here that some are having issues with it.
As to updated GPU's any news on the desktop version of the 970 having it's VRAM increased?
Also the PCI slots on my MB are only PCI 2.0 x16, yet the newer GPUs are PCI 3.0. As I understand they will still work, but at what cost in performance? Not about to rip my system apart to install a new MB at the moment.
As I understand it, there isn't an enormous amount of data passed back and forth during the render process so, as long as your memory holds the scene, the number of cores and the video memory speed are going to be the bottlenecks, not the interface bandwidth.
...excellent, thanks for the info.
Just checked around and from what I read,it sounds like the desktop version of the GTX 970/980 series will be boosted to 8 GB this fall, so, have plenty of time to save up for one.
Just firing up DAZ again for first time in while and have done reinstall since. I have a lot of content downloaded but the DIM, thought pointed to the folder, doesn't see any of it as downloaded. Is there a way to get the DIM to recognize that I've already got content downloaded?
Was it installed with DIM on another machine, or is this stuff installed with the old installers?
Or do you mean you downloaded the zips but DIM isn't recognizing them as downloaded?
VRAM hasn't existed on video cards for almost 10 years!!! ;p
The packages were downloaded using DIM to a folder, the system was wiped and reloaded, and now the DIM doesn't recognize that anything was downloaded even though the path for download in the DIM points to the same folder I previously was downloading to (using the DIM.) As a side note, I believe the JSON file might have been overwritten when I downloaded 4.8 beta/content.