Hi Jeffrey, In cuda 5.5 and 6.0 there is a regression with texture memory handling that costs us significant performance I think. Cuda 5.0 requires msvc 2008 or 2010 to run but since we only use nvcc to compile a kernel and do dynamic runtime loading of libucda you can just use the 2008 install you have to keep cuda 5.0 working.
On my system I use the windows 7.0 sdk with updates and a few registry tweaks to convince the cuda installer I have msvc 2010 installed. This allows nvcc to use cl.exe from the sdk as a stage 1 compiler yielding a working toolchain. ( http://wiki.blender.org/index.php/User:Juicyfruit/Cuda_windows) For Maxwell cards we will also need to use cuda 6.0 or higher so the total setup might be getting complicated moving forward and I think we should evaluate with brecht if / how we can move forward to newer cuda. As far as I know he is also in contact with nvidia about this problem. I have a very busy week ahead of me but during eastern I might get around to writing down + testing an exact set of steps to reproduce my environment. Martijn On Mon, Apr 14, 2014 at 9:04 AM, Jeffrey H <[email protected]>wrote: > Martijn, > > That would be fantastic if you could document how you configured your > builders. > > Out of curiosity, what is the status of CUDA 5.5? I know we just updated to > 5.0 to support newer cards and kernels, but I haven't seen any discussion > on using 5.5 yet. I'm already using 5.0 as per Brecht's request. > > > On Sun, Apr 13, 2014 at 11:45 PM, Martijn Berger > <[email protected]>wrote: > > > Hi, > > > > I agree that is would be very welcome to have you continue to do the > builds > > if you want to do them. > > I need to write up some of the things we / you need in order to get Cuda > > 5.0 working in an environment without msvc 2008. > > So feel free to poke me on that. > > > > > > > > > > > > On Mon, Apr 14, 2014 at 8:34 AM, Sergey Sharybin <[email protected] > > >wrote: > > > > > Hi, > > > > > > Earlier we do this is better. Would give more time to find all possible > > > issues and so. > > > > > > > > > On Mon, Apr 14, 2014 at 1:35 AM, Jeffrey H < > [email protected] > > > >wrote: > > > > > > > Hello, developers. > > > > > > > > Seeing as Ton has designated MSVC 2013 to be used for the official > 2.71 > > > > builds, when should we make the switch on buildbot? If/when we do > > switch, > > > > will I continue to offer my computer with the updated builder or hand > > it > > > > off to someone else? I'm more than willing to continue, but if it's > > > easier > > > > and more reliable to leave it to someone else, that's fine with me. > > > > > > > > Also a heads-up for the near future. I will be moving back (again) > for > > > > summer, so my system will be down for a couple days starting > midnight, > > > May > > > > 17 UTC. I plan to be back online when I walk in the door. As always, > if > > > you > > > > have any questions or concerns, please email me; I am also in IRC > > > > (#blender, #blendercoders). > > > > > > > > -- > > > > Jeffrey "Italic_" Hoover > > > > _______________________________________________ > > > > Bf-committers mailing list > > > > [email protected] > > > > http://lists.blender.org/mailman/listinfo/bf-committers > > > > > > > > > > > > > > > > -- > > > With best regards, Sergey Sharybin > > > _______________________________________________ > > > Bf-committers mailing list > > > [email protected] > > > http://lists.blender.org/mailman/listinfo/bf-committers > > > > > _______________________________________________ > > Bf-committers mailing list > > [email protected] > > http://lists.blender.org/mailman/listinfo/bf-committers > > > > > > -- > Jeffrey "Italic_" Hoover > _______________________________________________ > Bf-committers mailing list > [email protected] > http://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
