<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61)">Thank you Brecht, I understand this and that's OK with memory, but... still 1.5GB is not enough even for empty scene... ? Come on! :)<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61)">I was so desperate that I started to look which GTX should I buy. Surely 980Ti with 6GiB is a great graphics card, but WILL it work?<br><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61)">Few months ago Cycles worked in experimental mode just very well and as I don't require it to be bulletproof, this memory lag just kicks me out :( Sorry for sharing personal mood on the list. I hope somebody can advice what to do. Because I don't know if 6GB will be enough, and then there is also Titan with 12GB...<br><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61)">regards<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61)">pio<br><br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Piotr<div style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61);display:inline"> Arlukowicz, BFCT</div><br><div style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61)"><span style="color:rgb(204,204,204)"><b><span style="font-family:trebuchet ms,sans-serif"><b><span style="font-family:trebuchet ms,sans-serif">YT:</span></b><span style="color:rgb(162,196,201)"><span style="font-family:arial narrow,sans-serif"> <span style="color:rgb(208,224,227)"><u>/user/piotao?feature=guide</u></span></span></span></span></b></span><div style="font-family:arial,helvetica,sans-serif;font-size:small;color:rgb(12,52,61);display:inline"><span style="color:rgb(204,204,204)"> <b><span style="font-family:trebuchet ms,sans-serif">FB:</span></b><span style="color:rgb(208,224,227)"> <span style="font-family:arial narrow,sans-serif"><u>/polskikursblendera</u></span></span> <b><span style="font-family:trebuchet ms,sans-serif">TW:</span></b> </span><span style="font-family:arial narrow,sans-serif"><u><span style="color:rgb(19,79,92)"><span style="color:rgb(208,224,227)">/piotao</span><br></span></u></span></div><span style="color:rgb(153,153,153)"><b><span style="font-family:trebuchet ms,sans-serif">Blender Network:</span></b> <b><span style="color:rgb(118,165,175)"><span style="font-family:arial narrow,sans-serif"><a href="https://www.blendernetwork.org/piotr-arlukowicz" target="_blank">https://www.blendernetwork.org/piotr-arlukowicz</a></span></span></b></span><br></div><span style="color:rgb(102,102,102)"><b><span style="font-family:trebuchet ms,sans-serif">Polski Kurs Blendera:</span></b></span> <span style="color:rgb(11,83,148)"><span style="font-family:verdana,sans-serif"><a href="http://polskikursblendera.pl" target="_blank">http://polskikursblendera.pl</a></span></span><br><br><div><br></div><div><br></div></div></div></div></div></div>
<br><div class="gmail_quote">2015-09-15 18:08 GMT+02:00 Brecht Van Lommel <span dir="ltr"><<a href="mailto:brechtvanlommel@pandora.be" target="_blank">brechtvanlommel@pandora.be</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Experimental mode uses significantly more memory. I don't know if this<br>
is more than expected at the moment, but it wouldn't surprise me.<br>
<br>
This memory usage is one of the main reasons it's called experimental<br>
mode, if all the features there worked well they would not be called<br>
experimental. I know a lot of users enable this but it's really at<br>
your own risk.<br>
<div><div class="h5"><br>
On Tue, Sep 15, 2015 at 5:09 PM, Piotr Arlukowicz<br>
<<a href="mailto:piotao@polskikursblendera.pl">piotao@polskikursblendera.pl</a>> wrote:<br>
> Hey<br>
><br>
> something is definitely not right with cycles or with my system, because of<br>
> the old and known memory problem with cuLaunch.<br>
> The exact error is:<br>
> CUDA error: Out of memory in<br>
> cuLaunchKernel(cuPathTrace,xblocks,yblocks,1,xthreads,ythreads,1,0,0,args,0)<br>
> Peak mem shown by blender is 70.98M during rendering.<br>
><br>
> Works: GPU compute with supported mode<br>
> Fails: GPU compute with experimental mode<br>
> System: Mint 17.1,<br>
> Blender hash dbe1829...<br>
> GPU: GTX780Ti, ram 3070M<br>
><br>
> please help!<br>
><br>
> I've read stackexchange explanations about memory problems and this seems to<br>
> be not the case (?) here, because I have at least half of memory<br>
> unoccupied...<br>
><br>
> Here is nvidia-smi test while blender IS rendering a scene in supported<br>
> mode.<br>
><br>
> +------------------------------------------------------+<br>
> | NVIDIA-SMI 352.21 Driver Version: 352.21 |<br>
> |-------------------------------+----------------------+----------------------+<br>
> | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr.<br>
> ECC |<br>
> | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute<br>
> M. |<br>
> |===============================+======================+======================|<br>
> | 0 GeForce GTX 780 Ti Off | 0000:02:00.0 N/A |<br>
> N/A |<br>
> | 50% 67C P0 N/A / N/A | 1459MiB / 3070MiB | N/A<br>
> Default |<br>
> +-------------------------------+----------------------+----------------------+<br>
><br>
> I know that I'm using desktop enviroment, but honestly, there is only half<br>
> of ram on that card occupied. This problem is the same since several<br>
> revisions and I'm slowly made myself upset that I can't use the hardware.<br>
> 3GiB of ram, honestly, SHOULD be enough for an empty scene!<br>
><br>
> What I'm doing wrong?<br>
> please help or at least say something...<br>
><br>
> pio<br>
><br>
><br>
> Piotr<br>
> Arlukowicz, BFCT<br>
><br>
> YT: /user/piotao?feature=guide<br>
> FB: /polskikursblendera TW: /piotao<br>
> Blender Network: <a href="https://www.blendernetwork.org/piotr-arlukowicz" rel="noreferrer" target="_blank">https://www.blendernetwork.org/piotr-arlukowicz</a><br>
> Polski Kurs Blendera: <a href="http://polskikursblendera.pl" rel="noreferrer" target="_blank">http://polskikursblendera.pl</a><br>
><br>
><br>
><br>
><br>
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><br>
</blockquote></div><br></div>