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Access to GPUs is not enabled by default for all tenants. Please raise an issue to the support portal or contact support@europeanweather.cloud to request access if you wish to use them.

The current pilot infrastructure at ECMWF features 2x5 NVIDIA Tesla V100 cards targeting Machine Learning workloads. They are exposed as Virtual GPUS to the instances on the cloud, which allows for multiple VMs to transparently share the same Physical GPU card.

How to provision a GPU-enabled instance

Once your tenant is granted access to the GPUs, creating a new VM with access to a virtual GPU is very straightforward. Follow the process on Provision a new instance - web paying special attention on the Configuration Step:

CentOS

  1. On the Library screen, choose CentOS. 
  2. On Layout, select the item with "-gpu" suffix (e.g.: "centos-7.9-gpu" )
  3. On Plan, pick one of the plans with the "gpu" suffix, depending on how much resources are needed, including the amount of GPU memory:
    1. 8cpu-4gbmem-20gbdisk-4gbgpu
    2. 8cpu-8gbmem-20gbdisk-4gbgpu
    3. 8cpu-32gbmem-40gbdisk-8gbgpu
    4. 16cpu-32gbmem-80gbdisk-16gbgpu


Ubuntu

  1. On the Library screen, choose Ubuntu.
  2. On the Configuration Options select Version 20.04
  3. On Layout, select the item with "-gpu" suffix (i.e.: "ubuntu-20.04-gpu" )
  4. On Plan, for the Ubuntu instance select the following plan :  16cpu-32gbmem-80gbdisk-16gbgpu  ( * )

( * ) Note:  the "16cpu-32gbmem-80gbdisk-16gbgpu" plan has limited availability in the current EWC infrastructure. Please contact EWC team via Support Portal if you encounter any problem during the deployment as it might be caused by the temporary lack of availability.


Once your instance is running, you can check wether your instance can see the GPU with:

$> nvidia-smi
Tue Nov 17 15:20:38 2020       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.87       Driver Version: 440.87       CUDA Version: 10.2     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GRID V100-4C        On   | 00000000:00:05.0 Off |                    0 |
| N/A   N/A    P0    N/A /  N/A |    304MiB /  4096MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|=============================================================================|
|  No running processes found                                                 |
+-----------------------------------------------------------------------------+





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