[RC5] Amazon EC2 Configuration for GPU Instance

Mike Reed mikereedwt at gmail.com
Wed Nov 12 19:53:48 EST 2014

Hi Kees,

Most of them are virtual machines on headless systems.. except the one
that Pete was using! The blurb on the AWS site says:-


This family includes G2 instances intended for graphics and general
purpose GPU compute applications.


High Frequency Intel Xeon E5-2670 (Sandy Bridge) Processors
High-performance NVIDIA GPU with 1,536 CUDA cores and 4GB of video memory
On-board hardware video encoder designed to support up to eight
real-time HD video streams (720p at 30fps) or up to four real-time FHD
video streams (1080p at 30 fps).
Support for low-latency frame capture and encoding for either the full
operating system or select render targets, enabling high-quality
interactive streaming experiences.'

He said it gets about 420 Mk/sec. I am looking forward to when they
offer AMD based systems :)

Kind regards,

On 12 November 2014 21:21, Kees Nuyt <k.nuyt at zonnet.nl> wrote:
> On Wed, 12 Nov 2014 00:12:44 +0000, you wrote:
>>Hi folks,
>>Had some trouble submitting to the list earlier so this is attempt #2!
>>As a long-time user of the client faithfully running RC5-72, I thought it
>>would be 'fun' to see if I could make the client work on a GPU instance on
>>Amazon Web Services (g2.2xlarge).
>>Sadly I have zero experience of the actual mechanics behind how the client
>>works, but have dutifully followed tutorials for installing CUDA 6.5,
>>OpenCL, and PyOpenCL on the Ubuntu instance.
>>Despite my best efforts, when I run the client (v2.9111.520 PRE Linux) I
>>get the following:
>>[Nov 11 18:05:30 UTC] No OpenCL platforms available!
>>[Nov 11 18:05:30 UTC] Unable to initialize OpenCL.
>>[Nov 11 18:05:30 UTC] *Break* Shutting down...
>>I am possibly doing something rudimentarily stupid, or there may be some
>>fundamental incompatibility here that I'm not aware of, but if anyone can
>>point me in the right direction I'd be most grateful.
> I think (most) Amazon instances you can rent are virtual
> machines on headless systems.
> Servers typically don't need any human interface devices, like
> keyboard, mouse and screens. So, they don't contain any video
> hardware, thus no GPU.
> Even if the physical servers do have some video hardware, it's
> probably rudimentory (no fast GPU) and not exposed to the
> virtual machines.
> Hope this helps...
> --
> Regards,
> Kees Nuyt
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