I installed my Titan yesterday, and it bloody screams. Images soon as I get through this project deadline.
On Wed, Mar 27, 2013 at 6:47 AM, Mirko Jankovic <mirkoj.anima...@gmail.com>wrote: > SLI and crossfire dio not affect viewport performance in any of 3d > application. > > > > On Wed, Mar 27, 2013 at 11:12 AM, olivier jeannel <olivier.jean...@noos.fr > > wrote: > >> There was a subject on Redshift Forum about having two grapphic cards. >> It seems to be possible to keep a quadro for dispaly (as it is >> significantly better at displaying), and have a Titan dedicated to >> rendering only (in Redshift you select which card is rendering) as they >> have a huge amount of cores and faster memory. >> I think I've red somewhere that Titan has 2600 cores against 256 for the >> Quadro 4000. >> After chating with Nicolas the Titan could be around 4 time faster than >> the Quadro4000 ...Which is huge :) >> >> Le 27/03/2013 09:26, Tim Leydecker a écrit : >> >> Personally, I´m hesistant to using two or more cards with SLI >>> because of micro stuttering: http://en.wikipedia.org/wiki/** >>> Micro_stuttering <http://en.wikipedia.org/wiki/Micro_stuttering> >>> >>> If there would be a solution to that, I´d go with two GTX670 w/4GB VRAM, >>> as they are the same GK104´s with a 915MHz chipspeed instead of a 1006Mhz >>> chipspeed as in the reference design GTX680. That could save another >>> 15-35% >>> percent of investment compared to two single chip GTX 680 cards or one >>> GTX Titan. >>> >>> Overclocked versions may use slightly different chip/shader speeds. >>> >>> In any case, as much VRAM as available, as that always helps in many >>> progamms >>> like Mudbox, Redshift and isn´t much of an added cost (comparing 2GB vs >>> 4GB). >>> >>> At a company I worked Mari 1.5.x behaved bitchy unless it was given a >>> Quadro >>> or forced to ignore the actual card´s game heritage. But that may have >>> been >>> solved with 2.0... >>> >>> Cheers, >>> >>> tim >>> >>> >>> >>> On 27.03.2013 08:59, Mirko Jankovic wrote: >>> >>>> On the other hand Titan is more expensive than 2 gtx680 if I'm not >>>> mistaken... and i bet that with two 680 in SLI, when multi GPU is >>>> supported >>>> you will have better performance than with 1 titan right? >>>> >>>> >>>> On Wed, Mar 27, 2013 at 8:55 AM, Tim Leydecker <bauero...@gmx.de> >>>> wrote: >>>> >>>> The GTX Titan is not a gimmick but uses the successor to the chip >>>>> series >>>>> used in the GTX 680, e.g. the GT(X) 6xx series uses the GK104, while >>>>> the GTX Titan uses the GK110. You can find the GK110 in the Tesla K20, >>>>> too. >>>>> >>>>> You could describe the GTX690 as a gimmick, as it uses two GK104 on one >>>>> card >>>>> to maximize performance at the cost of higher powerconsumption, noise >>>>> and >>>>> heat. >>>>> >>>>> The performance gain between a GTX680 and a GTX Titan is roughly 35% >>>>> and can be felt nicely when using it with higher screenresolutions like >>>>> 1920x1200 or 2560x1440 and higher antialiasing in games. >>>>> >>>>> That´s where the 6GB VRAM of the GTX Titan come in handy, too. >>>>> >>>>> Cheers, >>>>> >>>>> tim >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> On 27.03.2013 05:24, Raffaele Fragapane wrote: >>>>> >>>>> Benchmarking is more driver tuning than it's videocard performance, >>>>>> and if >>>>>> you want to look at number crunching you should look at the most >>>>>> recent >>>>>> gens. >>>>>> >>>>>> The 680 has brought nVIDIA back up top for number crunching >>>>>> (forgetting >>>>>> the >>>>>> silver editions or gimmicks like the titan), and close enough to bang >>>>>> for >>>>>> buck best, but AMD's response to that still has to come. >>>>>> >>>>>> Ironically, though, the 6xx gen is reported as a crippled, bad >>>>>> performer >>>>>> in >>>>>> DCC apps, although I can't say I noticed it myself. It sure as hell >>>>>> works >>>>>> admirably well in mudbox, mari, cuda work, and I've had no issues in >>>>>> maya >>>>>> or soft. I don't really benchmrak or obsess over numbers much though. >>>>>> >>>>>> When this will obsolesce, I will considering AMD again, probably in a >>>>>> couple years. >>>>>> >>>>>> For GPU rendering though, well, that's something you CAN bench >>>>>> reliably >>>>>> with the engine, and AMD might still win the FLOP per dollar run >>>>>> there, so >>>>>> it's not to be discounted. >>>>>> >>>>>> Would be good to know what the redshift guys have to say about it >>>>>> themselves though if they can spare the thought and can actually >>>>>> disclose. >>>>>> >>>>>> On Thu, Mar 21, 2013 at 9:04 PM, Mirko Jankovic >>>>>> <mirkoj.anima...@gmail.com>****wrote: >>>>>> >>>>>> well no idea about pro cards.. really never got financial >>>>>> justification >>>>>> >>>>>>> to >>>>>>> get one, quadro 4000 in old company didn;t really felt anything much >>>>>>> better >>>>>>> than gaming cards so... >>>>>>> but in gaming segment.. >>>>>>> opengl scores in sinebench for example: >>>>>>> gtx 580: ~55 >>>>>>> 7970: ~90 >>>>>>> >>>>>>> to start with.... >>>>>>> not to mention annoying issue with high segment rotating cube in >>>>>>> viewport >>>>>>> in SI. >>>>>>> 7970 smooth at ~170 fps >>>>>>> with gtx580 bfore that.. to point out that the rest of comp is >>>>>>> identical >>>>>>> only switched card... for the first 30-50sec frame rate was stuck at >>>>>>> something like 17 fps... and after that it kinda jump to ~70-80fps... >>>>>>> >>>>>>> in any case with gaming cards ati vs nvidia there is no doubt. and >>>>>>> if you >>>>>>> are not using CUDA much then no need to even thing which way to go. >>>>>>> Now redshift is game changer heheh but I'm still hoping that OpenCL >>>>>>> will >>>>>>> be supported and I'm looking forward to test it out with two of 7970 >>>>>>> in >>>>>>> crossfire :) >>>>>>> >>>>>>> btw I'm not much into programming waters but is it really >>>>>>> OpenCL programming that as I understood should work on ALL cards, is >>>>>>> that >>>>>>> much more complex than for CUDA which is limited to nvidia only? >>>>>>> Wouldn't >>>>>>> it be more logical to go with solution that is covering a lot more >>>>>>> market >>>>>>> than something limited to one manufacturer? >>>>>>> >>>>>>> >>>>>>> On Thu, Mar 21, 2013 at 10:55 AM, Arvid Björn <arvidbj...@gmail.com >>>>>>> >>>>>>>> wrote: >>>>>>>> >>>>>>> >>>>>>> >>>>>>> My beef with ATI last time I tried FirePro was that it had a hard >>>>>>>> time >>>>>>>> locking into 25fps playback in some apps, as if the refresh rate was >>>>>>>> locked >>>>>>>> to 30/60. Realtime playback in Softimage would stutter annoyingly >>>>>>>> IIRC. >>>>>>>> Plus it seemed to draw text slightly differently in some apps. >>>>>>>> >>>>>>>> Nvidia just feels.. comfy. >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Thu, Mar 21, 2013 at 5:21 AM, Raffaele Fragapane < >>>>>>>> raffsxsil...@googlemail.com> wrote: >>>>>>>> >>>>>>>> These days if you hit the right combination of drivers and planet >>>>>>>> >>>>>>>>> alignment they are OK. >>>>>>>>> >>>>>>>>> Performance wise they have been ahead of nVIDIA for a while in >>>>>>>>> number >>>>>>>>> crunching, the main problem is the drivers are still a coin toss >>>>>>>>> chance, >>>>>>>>> and that OCL isn't anywhere as popular as CUDA. >>>>>>>>> >>>>>>>>> With win7 or 8 and recent versions of Soft/Maya they can do well. >>>>>>>>> >>>>>>>>> nVIDIA didn't help with the crippling of the 6xx for professional >>>>>>>>> use, >>>>>>>>> and pissing off Linus. They are still ahead by a slight margin, for >>>>>>>>> now, >>>>>>>>> but I wouldn't discount AMD wholesale anymore. >>>>>>>>> >>>>>>>>> If the next generation is as disappointing as Kepler is, and AMD >>>>>>>>> gets >>>>>>>>> both Linux support AND decent (and properly OSS) drivers out, I'm >>>>>>>>> moving >>>>>>>>> time come for the next upgrade. For now I recently bought a 680 >>>>>>>>> because it >>>>>>>>> was kind of mandatory to not go insane with Mari and Mudbox, and >>>>>>>>> because I >>>>>>>>> like CUDA and I toy with it at home. >>>>>>>>> >>>>>>>>> >>>>>>>>> On Wed, Mar 20, 2013 at 9:58 PM, Dan Yargici <danyarg...@gmail.com >>>>>>>>> >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>> >>>>>>>>> "Ati was tested over and over and showing a lot better viewport >>>>>>>>> >>>>>>>>>> results >>>>>>>>>> in Softimage than nvidia... " >>>>>>>>>> >>>>>>>>>> Really? I don't remember anyone ever suggesting ATI was anything >>>>>>>>>> other >>>>>>>>>> than shit! >>>>>>>>>> >>>>>>>>>> DAN >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>> >>> >> >
