I am going to try your suggestions right now. That will explain a lot of things.
2014/1/9 Tim Crowson <tim.crow...@magneticdreams.com> > I wish it was always that simple. For instance, Redshift will perform > better with more vram, and the Titan comes standard with 6GB, which is not > even an option on the 780 or 780Ti. If you can get by with less vram > though, the 780s are pretty sweet. Can't wait to see what they announce > next. > -Tim > > > On 1/9/2014 10:39 AM, Ben Houston wrote: > > For GPU speeds, you always need to consult this list, it is pretty > representative of what to expect from things like Redshift3D: > > http://www.videocardbenchmark.net/high_end_gpus.html > > -ben > > > On Thu, Jan 9, 2014 at 11:36 AM, Emilio Hernandez <emi...@e-roja.com>wrote: > >> Yes Mirko tell the secret. I don't want to break my mind thinking about >> memory clocks and bandwiths.... >> >> >> >> >> 2014/1/9 Tim Crowson <tim.crow...@magneticdreams.com> >> >>> I just get "60.0 fps +" >>> How are you getting it display a value higher than 60? I'm pretty sure >>> it the actual fps is higher, but the value in the viewport is capped at >>> 60.... >>> -Tim >>> >>> >>> >>> On 1/9/2014 10:12 AM, Leonard Koch wrote: >>> >>> I get about 28-31 out of my 680. Does anyone have a common explanation >>> for that? >>> >>> >>> On Thu, Jan 9, 2014 at 5:10 PM, Emilio Hernandez <emi...@e-roja.com>wrote: >>> >>>> Hey Mirko I ran your script and I got 50.7 fps... >>>> >>>> But then I remembered I have my displays plugged in to my 470.. hahaha. >>>> >>>> Don't ask why, but when using AE with the displays plugged into the >>>> Ti, AE does not like it and disables GPU for calculations... >>>> >>>> Pffff. >>>> >>>> >>>> >>>> >>>> 2014/1/9 Mirko Jankovic <mirkoj.anima...@gmail.com> >>>> >>>>> Hey Tim >>>>> Would you be able to take 2 minutes of your tmie and run this ol >>>>> python script for SI with your titan? >>>>> I'm getting weird results with an 780 in my home system outperforming >>>>> titan a lot... well here is copy paste from forum if you are able to check >>>>> it out as well.. thanks!: >>>>> >>>>> itan: ~170 fps >>>>> 780: ~245 fps >>>>> >>>>> Go figure [image: :)] >>>>> But I'm suspecting something weird with my titan system for some time >>>>> will have to test further but would be great if anyone with titan as well >>>>> could run it too? >>>>> This old python script: >>>>> Application.CreatePrim("Cube", "MeshSurface", "", "") >>>>> Application.SetValue("cube.polymsh.geom.subdivu", 831, "") >>>>> Application.SetValue("cube.polymsh.geom.subdivv", 800, "") >>>>> Application.SetValue("cube.polymsh.geom.subdivbase", 800, "") >>>>> Application.SetValue("Camera.camvis.refreshrate", True, "") >>>>> Application.SetDisplayMode("Camera", "shaded") >>>>> Application.DeselectAll() >>>>> Application.SetValue("PlayControl.Out", 5000, "") >>>>> Application.DeselectAll() >>>>> Application.GetPrim("Null", "", "", "") >>>>> Application.SelectObj("Camera_Root", "", "") >>>>> Application.CopyPaste("Camera_Root", "", "null", 1) >>>>> Application.SelectObj("null", "", "") >>>>> Application.SaveKey("null.kine.local.rotx,null.kine.local.roty,null.kine.local.rotz", >>>>> 1, "", "", "", "", "") >>>>> Application.SetValue("PlayControl.Key", 5000, "") >>>>> Application.SetValue("PlayControl.Current", 5000, "") >>>>> Application.Rotate("", 0, 8000, 0, "siAbsolute", "siPivot", "siObj", >>>>> "siY", "", "", "", "", "", "", "", 0, "") >>>>> Application.SaveKey("null.kine.local.rotx,null.kine.local.roty,null.kine.local.rotz", >>>>> 5000, "", "", "", "", "") >>>>> Application.FirstFrame() >>>>> >>>>> Just paste in python script run and hit play. >>>>> Thakns! >>>>> >>>>> >>>>> On Thu, Jan 9, 2014 at 3:34 PM, Tim Crowson < >>>>> tim.crow...@magneticdreams.com> wrote: >>>>> >>>>>> We've been testing 1 Titan vs. 3 and so far, the speed increase of >>>>>> the triple-Titan box is holding at about 2.45x. In an email exchange (or >>>>>> maybe it was on the forums, can't recall) it was mentioned that on the >>>>>> topic parallelization, Pixar had determined that even for them, 4 units >>>>>> together (of whatever, not necessarily Titans) was the max they could >>>>>> really go before it started to cost more money than it was worth. In our >>>>>> case, I'm thinking 3 might be our max, based on some nerdy mathematics by >>>>>> one of our IT guys analyzing render times per shot, per frame, >>>>>> hardware/software costs, rack space used, etc. >>>>>> >>>>>> But hey, Redshift aside, the Titan in my workstation is doing wonders >>>>>> for my viewport performance in Soft. I had a 58M, 2500-item model derived >>>>>> from a CAD file the other day, and this thing was letting me tumble >>>>>> around >>>>>> it at ~15fps in Shaded mode. That ain't shabby! >>>>>> -Tim >>>>>> >>>>>> >>>>>> >>>>>> On 1/9/2014 6:11 AM, Paul Griswold wrote: >>>>>> >>>>>> There was a discussion on the RS forums about it. I don't recall >>>>>> the numbers, though. I don't think the speed of the PCIe slot made a >>>>>> huge >>>>>> difference. It's really all about the speed of the card. >>>>>> >>>>>> Also, although it doesn't load the entire scene into your card's >>>>>> memory, the more memory your card has, the better it is. >>>>>> >>>>>> But overall, for the type of work I'm mainly doing these days, it's >>>>>> extremely fast. In fact, it's so fast that I was finding the bottleneck >>>>>> was the time taken to export the mesh to Redshift, not rendering. >>>>>> Redshift >>>>>> has a proxy system like Vray & Arnold, but you have to manually create >>>>>> proxies per object & my scene had hundreds and hundreds of objects, so I >>>>>> didn't have time to create them. Therefore, it was creating a renderable >>>>>> mesh per frame - so on a frame that took 28 seconds to render, 20 seconds >>>>>> was spent exporting the mesh and 8 seconds were spent on rendering. But >>>>>> again, it's a beta and they're continuing to improve things like the >>>>>> proxy >>>>>> system. >>>>>> >>>>>> Once I'm caught up I'm hoping to try rendering the classroom scene >>>>>> and see how it does. >>>>>> >>>>>> -Paul >>>>>> >>>>>> >>>>>> ᐧ >>>>>> >>>>>> >>>>>> -- >>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >>> -- >>> >>> >>> >> >> > > > -- > Best regards, > Ben Houston > Voice: 613-762-4113 Skype: ben.exocortex Twitter: @exocortexcom > http://Clara.io - Professional-Grade WebGL-based 3D Content Creation > > > -- > > > >
