Ah interesting. That begins to explain it. Thanks Emilio.
On Thu, Jan 9, 2014 at 5:36 PM, Emilio Hernandez <[email protected]> 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 <[email protected]> > >> 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 <[email protected]>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 <[email protected]> >>> >>>> 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 < >>>> [email protected]> 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 >>>>> >>>>> >>>>> -- >>>>> >>>>> >>>>> >>>> >>> >> >> -- >> >> >> > >
