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Re: 4x Titan Z Build Complete!
Posted: Thu Dec 18, 2014 11:30 pm
by FrankPooleFloating
Ahhh... The Air Penetrator fans were not on my radar.... Intriguing. Okay, perhaps a perfect workstation after all.
Re: 4x Titan Z Build Complete!
Posted: Fri Dec 19, 2014 3:34 pm
by Bulwerk
New OC numbers for those interested.
Forgive the excessive amount of pics...
I pushed power to %120, and added 250Mhz to core and memory
What GPU-Zs sensor was picking up under full load
Benchmark numbers
Pathtracing
Pathterm @ 0.3
CR= Coherent Ratio
CR 0.0-------
82 Ms/s
CR 0.5------
98.7 Ms/s
CR 1.0------
108.94 Ms/s
After Running the Bench for ~20 minutes
with fans on full blast (Still quieter than one of our workstations with a 780ti on air !), liquid temps were at 51˚C
- Water Temp 1 copy.png (10.96 KiB) Viewed 7132 times
GPU temps were between 60-73˚C
I'd say those are some pretty respectable temps for 8 Overclocked GPUs in one Chassis in a room thats 24˚C!
Re: 4x Titan Z Build Complete!
Posted: Fri Dec 19, 2014 8:07 pm
by Seekerfinder
Wow. 82Ms/s?! That's around $155/(Ms/s)... I'll have to do a bench on the latest release but I suspect I'm around $300/Ms or more... Great value after all it seems Bulwerk.
Are you finding the OC to be stable?
Seeker
Re: 4x Titan Z Build Complete!
Posted: Fri Dec 19, 2014 8:55 pm
by Bulwerk
So far the OC is stable... crossing my fingers
Check here for latest benchmark numbers
http://render.otoy.com/forum/viewtopic. ... 30#p216130
Re: 4x Titan Z Build Complete!
Posted: Fri Dec 19, 2014 9:54 pm
by smicha
Much better temps Bulwerk, keep them around 50C (I mean water temp). Great results.
PS. I did some minor tweaks to my rig today. I'll post more photos soon. Man, I wish I had your Zs
Re: 4x Titan Z Build Complete!
Posted: Sat Dec 20, 2014 11:21 am
by SkatingJesus
Bloody fantastic war machine!
Re: 4x Titan Z Build Complete!
Posted: Tue Dec 30, 2014 2:21 am
by Jose
Re: 4x Titan Z Build Complete!
Posted: Wed Dec 31, 2014 9:42 am
by asher
Does your device manager sees 4 GPus or 8??? Titan Z are just two 780 cards with double ram into one board..... curius if you get in octane 12Gb of ram for scenes or just 6, as i expect???
Thank you.
Asher
Re: 4x Titan Z Build Complete!
Posted: Wed Dec 31, 2014 10:42 am
by rappet
asher wrote:Does your device manager sees 4 GPus or 8??? Titan Z are just two 780 cards with double ram into one board..... curius if you get in octane 12Gb of ram for scenes or just 6, as i expect???
Thank you.
Asher
Octane sees both gpu from a Titan Z, so in this case it will see 8gpu.
The ram for Octane scene size is 6 Gb, not 12gb
Re: 4x Titan Z Build Complete!
Posted: Thu Jan 01, 2015 2:17 am
by garytyler
Maybe I'm just imagining things, but is this kind of machine capable of 24p playback in live view?
