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Here you go gruntophiles. Your baby awaits!
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[Walter Soyka] “GTX 1080s at 9 teraflops “
WOuld a PCIe thunderbolt chassis (and OpenCL) make it work (properly) on nMP?
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[Jeremy Garchow] “This is the only equation that scales correctly.”
It turns out that “nMP” is a very ambiguous unit.
Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive | RenderBreak [blog] | Profile [LinkedIn] -
[Richard Herd] “WOuld a PCIe thunderbolt chassis (and OpenCL) make it work (properly) on nMP?”
I doubt it. BizonBOX lists the 1080 as “Windows-only support.”
Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive | RenderBreak [blog] | Profile [LinkedIn] -
[Walter Soyka] “It turns out that “nMP” is a very ambiguous unit.”
Will you be here all week? 🙂
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[Walter Soyka] “I doubt it. BizonBOX lists the 1080 as “Windows-only support.””
According to this article external GPUs aren’t supported by MacOS (though it can be hacked to accept them). It’s plug and play on Windows so the ball seems to be in Apple’s court about whether or not it will enable support for external GPUs. I hope this feature is added in a future update as running an external GPU via ThB 3 certainly opens up doors to expandability that don’t currently exist.
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[Andrew Kimery] ” Apple’s court about whether or not it will enable support for external GPUs”
So now I’m actually confused. I thought the Red Rocket is an external GPU (and I’m not sure what else to call it), and it supposedly plays nicely with OSX via Sonnet Tech thunderbolt to PCIE chassis. And nofilm school says there is a GPU expander box [LINK].
If it’s just a driver problem, then that’s NVIDIA — but what would they gain by not offering an osx driver?
https://www.youtube.com/watch?v=29BoqCMRBFk
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I’d call the RED Rocket a hardware accelerator card for use with R3D footage. It has hardware onboard to process R3D footage in order to take that burden off of the host computer. It’s not a GPU, which is responsible for generating the images/GUI that you see on your computer monitor.
With regards to expansion, the link you provided just talks about some new GPUs. Is this the article you meant to link to?No Film School: What’s the Deal with GPU Expansion, Anyway?
They talk about GPU expanders, but I don’t think they actually purchased to tested any. Their last sentence in the article is “Anybody tried any of these, or finally abandoned your Mac for a PC and its easy world of expandability? Tell us about it in the comments.”
In the comments people talk about needing to use hacks and scripts to get eGPUs working with MacOS/OSX so it seems like using it on Mac isn’t as straight forward as using it for Windows.
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Yeah, that’s the better link, thanks!
I guess the actual detail I can’t quite figure out is the difference between GPUs and Hardware Accelerators (eg Red Rocket, AJA, Bluefish, etc.).
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[Richard Herd] “I guess the actual detail I can’t quite figure out is the difference between GPUs and Hardware Accelerators (eg Red Rocket, AJA, Bluefish, etc.).”
In a nutshell, a GPU creates what you see on your computer screen in the proper specs (frame rate, color space, gamma, etc) that are used to display images on a computer screen. Video I/O cards (like from AJA or Blackmagic) are used to send a video signal based on TV frame rates, color spaces, gamma, etc., to a TV/monitor. Something like the Red Rocket is similar to an AJA I/O card, but it has additional hardware designed to specifically decode/encode certain codecs (in its case R3D) so the card will be able to do it much faster than a computer’s CPU/GPU can.
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