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jcdick1
Adept I

SR-IOV and VCE

With Intel supporting GVT-g (SR-IOV) even on their iGPUs (Broadwell and later), and the new Xe cards coming, I was wondering if there was a relatively modern AMD GPU that supports SR-IOV, and has VCE for running under a Citrix hypervisor.  I was hoping the new W series Radeon Pros would have it, but apparently not.  The most recent I've found is the V340, and my customer doesn't have $10k+ per card to put in their three DL380s, nor do they have the budget for Nvidia GRID licensing.  Will AMD have something retail coming in the relatively near future with SR-IOV support?

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23 Replies
elstaci
MVP

Re: SR-IOV and VCE

Found this AMD Website about SR-IOV Support: https://community.amd.com/community/radeon-instinct-accelerators/blog/2019/11/01/what-is-sr-iov-why-... 

It mentions that it does support that feature under Citrix.

This link from the above link mentions which Professional GPU cards support that feature you want: AMD MxGPU aims to give GRID a run for its money (This article is from 2016 so there should be many more new Professional GPU cards that supports SRIOV)

Maybe AMD Forum's expert on AMD Professional GPU card fsadough‌ can shed some light on your question.

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jcdick1
Adept I

Re: SR-IOV and VCE

Yeah, the only cards since the S7150s (released in 2016) have been the V340 (released in 2018) and the Instinct MI series.  The only V340 I've been able to find is five figures, and the Instinct cards are not available in retail, as they are intended as part of a "data center solution."  I've found a used MI25, but I haven't seen any drivers for it under Xen, nor have I seen any specs that say whether they have the VCE engine in them for use with video sources or what codecs it might support.

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elstaci
MVP

Re: SR-IOV and VCE

Maybe FSADOUGH will reply and maybe indicate which Professional cards supports that feature.

That is all that I know about your question.

Take care.

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fsadough
Moderator
Moderator

Re: SR-IOV and VCE

At the moment the focus of AMD virtualization technology is the cloud service providers and large enterprises. Currently we do not offer any retail product supporting MxGPU-SRIOV, however that might change in near future.

darabontors
Journeyman III

Re: SR-IOV and VCE

Hi,

Does the S7150x2 support VCE via MxGPU? Does VCE work through SR-IOV?

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fsadough
Moderator
Moderator

Re: SR-IOV and VCE

S7150 x2 has SRIOV and VCE 3.0 support.

darabontors
Journeyman III

Re: SR-IOV and VCE

For some reason my VM with S7150x2 MxGPU with newest drivers installed doesn't have VCE support active.I have confirmed this with 2 different software that uses VCE. The hardware encoding via VCE is disabled with bot software. What am I doing wrong?

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fsadough
Moderator
Moderator

Re: SR-IOV and VCE

• Which remote protocol will you be running i.e. PCoIP, Blast, RDP?
• Which Hypervisor is being used, i.e. VMware ESXi, Citrix?
• What applications are you running?

• What are the system specs?
• Which guest OS and driver are you using?
• How many GPUs per server?
• How many VM-users per server?

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jcdick1
Adept I

Re: SR-IOV and VCE

fsadough

• Which remote protocol will you be running i.e. PCoIP, Blast, RDP?

For my use case, as the OP, it would be RDP (for Windows VMs) and NX (for Linux VMs w/ WM)

• Which Hypervisor is being used, i.e. VMware ESXi, Citrix?

Xen

• What applications are you running?

CG rendering, video processing

• What are the system specs?

Dual Xeon 3GHz, ram as needed

• Which guest OS and driver are you using?

None yet.  But it would be a combination of Windows and Linux

• How many GPUs per server?

1 discrete card per server, divided in whatever way maximized efficiency of CL and VCE to the VMs.

• How many VM-users per server?

However many the GPU can reasonably support

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