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Subject: Re: [hwloc-users] Mapping a GPU to a pci local CPU on Windows
From: Brice Goglin (Brice.Goglin_at_[hidden])
Date: 2013-01-08 13:36:58


Is your machine NUMA? Maybe Windows returns an error when requesting
numa info on non-NUMA info?

Brice

Le 08/01/2013 18:44, Ashley Reid a écrit :
> OS says DEVPKEY_Numa_Proximity_Domain does not exist. Neither does DEVPKEY_Device_Numa_Node . For all devices.
>
> Lame :/
>
> Thanks,
> Ash
>
> -----Original Message-----
> From: Ashley Reid
> Sent: Tuesday, January 08, 2013 5:40 PM
> To: 'Samuel Thibault'
> Cc: hwloc-users_at_[hidden]
> Subject: RE: [hwloc-users] Mapping a GPU to a pci local CPU on Windows
>
> It appears DEVPKEY_Numa_Proximity_Domain with SetupDiGetDeviceProperty, should work. I found this hidden way down in
>
> http://blogs.technet.com/b/winserverperformance/archive/2008/09/13/getting-system-topology-information-on-windows.aspx
>
> I am looking into seeing if this works.
>
> -----Original Message-----
> From: Samuel Thibault [mailto:samuel.thibault_at_[hidden]]
> Sent: Tuesday, January 08, 2013 5:39 PM
> To: Ashley Reid
> Cc: hwloc-users_at_[hidden]
> Subject: Re: [hwloc-users] Mapping a GPU to a pci local CPU on Windows
>
> Ashley Reid, le Tue 08 Jan 2013 16:53:20 +0100, a écrit :
>> Does anyone know if this is possible with OS APIs?
> I don't know.
>
>> It looks like this is not supported on Windows yet by hwloc
> Indeed. I hadn't found when I had a look some years ago, I don't know if there is something available nowadays.
>
> Samuel
> NVIDIA GmbH, Wuerselen, Germany, Amtsgericht Aachen, HRB 8361
> Managing Director: Karen Theresa Burns
>
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