I don’t if this happened to me only but I noticed a serious drop in performance after installing the latest drivers. In the Benchmark scene of RT I went from 1840 KPaths/s to around 1190 KPaths/s. In one of my scenes I rendered the same image with a limit of 1min. The image rendered under the lat…

hmm, I have a TitanX also but haven’t downloaded the newest driver yet, guess I’m glad I haven’t. Would be good to get some info on this.

I found out this issue with win 8.1 So I could reinstall the previous drivers and remove the issue. But I upgrade to Win 10 and now these are the only official drivers, so I have to wait for new ones. :stuck_out_tongue:

[image] Light select Renderelement I don’t if this happened to me only but I noticed a serious drop in performance after installing the latest drivers. In the Benchmark scene of RT I went from 1840 KPaths/s to around 1190 KPaths/s. In one of my scenes I rendered the same image with a limit of 1…

I did upgraded my drivers also to the latest and had issues till Vray’s support told me that the best drivers yet where the 350.12 So I rolled back and I didn’t had major issues since. Sorry to hear you’re stuck with win 10 now :-/ Stan

[image] Grant Warwick- Mastering Vray: Material Ideas Needed. I did upgraded my drivers also to the latest and had issues till Vray’s support told me that the best drivers yet where the 350.12 So I rolled back and I didn’t had major issues since. Sorry to hear you’re stuck with win 10 now :-/ S…

Which V-Ray version is that on what GPU are you using? I am using 3.20.02 I know that the KPaths is a number that can fluctuate during the render process. In that Benchmark scene in the previous drivers the Kpaths after a while they stabilized at around 1800 But with the latest (353.62) at that …

OK I think the issue is gone after I put the 3.20.03 Vray Strange though, as this had nothing to do with vray and I am pretty sure of it. I am saying this because yesterday I had my Windows 8.1 Pro on my PC. I put the 353.62 drivers and then I noticed this fall in performance under CUDA in Vray R…

What is your GPU ? Is V-Ray 3.20.03 equally fast with the new and the old driver ? Can you check the render speed of 3.20.02 vs 3.20.03 on your machine ? Thanks, Blago.

My GPU as I said in the 1st post is a Titan X 3.20.02 1:43 (before the issue) 3.20.03 1:31 Thus the Vray RT is a little faster. Thats a good thing

[image] Grant Warwick- Mastering Vray: Material Ideas Needed. My GPU as I said in the 1st post is a Titan X 3.20.02 1:43 (before the issue) 3.20.03 1:31 Thus the Vray RT is a little faster. Thats a good thing Sorry, I have missed that. Thanks for the tests! Glad that everything works as …

Slower CUDA performance with the latest nVidia drivers 353.62

V-Ray V-Ray GPU General

savage309 July 31, 2015, 3:14pm 11

Sorry, I have missed that. Thanks for the tests!
Glad that everything works as expected now.

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Slower CUDA performance with the latest nVidia drivers 353.62

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