GPU benchmarks

[3LP]

I'd be interested to see what would the 980 Ti do on the V2 benchmark if you have a chance to try

Thanks
Stan

Dual GTX 980 Ti 52.7 seconds in V-Ray 3.20.02 using driver version 353.30. This was in the original benchmark scene.

[savage309]

Just wanted to point that adding the V-Ray version with which the test is made is important. Even minor V-Ray versions can have different results (as is the case with 3.20.03 and 3.20.02).

[voltron7]

Thanks super!

[super gnu]

Autocorrect messed a few words there and edit isn't working...

ok i edited! (and edited this) ive noticed that when i hit "edit" i often get a blank posting window (i.e. it forgets what ive already posted) so in order to edit rather than replace, i have to copy my text, and paste it into the edit window before editing.

im sure this never used to happen..

[super gnu]

No actually 2x 3930k (at 4.5 ghz) are approximately equivalent to a gtx 670

Those three together equal one titan x. So it's 4x 3930k (at 4.5) equal one titan x. Gpu is obviously far more powerful. But.. If you already have a cpu render farm, and are testing / using a small number of gpus for rt (a common scenario I recon) then you don't have to leave the farm idle when using rt. My particular little setup, the gpus and CPU capacity I gave are evenly matched. So the only way I can get a boost from rt (without upgrading) is to use opencl and combine.

[3LP]

Ah ha, yes that's good to know.
Put aside the fact that's SP2, it seems that 2 x 3930k is equal to 1 Titan X.

Stan

[vlado]

Interesting Thanks for sharing.

Best regards,
Vlado

[super gnu]

interesting one: bechmark 1.0, gtx 670 4gb, 3.20.02

cuda: 4m 39 secs.

opencl, with 2x 3930k using intel opencl driver

2m 3.8 secs.

i had to play with the RPP and ray bundle size to get my cpu usage up on the slave.

if youve got a mix of cpus and gpus (i.e. most of us) then i wouldnt write off opencl just yet.

[3LP]

Awesome mate!
Better than a Titan X

Stan

[chris-x//]

EVGA GTX 980 Ti Superclocked / 11 min 18 secs / 353.06
Not Bad !

[Booska]

I just ran it on my Quadro K5000 and got 6 min 32 secs.

[savage309]

I've update the results already. The test with the newer driver and M6000 is done on another machine running Windows. The Linux drivers seems to be lacking behind.
The times ratio can be a bit tricky - to get from 8 to 4 takes as much effort as from 4 to 2 .

[3LP]

Nice, you won about 10% there!
So the M6000 and the Titan are really close to each other now, the difference is barely perceptible, 10 secs on a 11min render...

Do you mind updating those infos on the gdoc spreadsheet? I guess the full 8 gpus are closer to the symbolic 1min render now.

Well done for the additional column with the "times slower" ratio, didn't thought about that one but really handy

Stan

[savage309]

M6000, 353.06, Windows, V-Ray 3.20.02 - 674s.
Btw, we changed since 3.1 the way we ship V-Ray RT GPU so we could benefit from the speed ups that the new drivers can give (before you had to update driver *and* V-Ray), good to see that is working too.