how to activate GPU for R

General
,
1

As far as I know, activating GPU in Python should be done by this code

## choose GPU=0
os.environ["CUDA_DEVICE_ORDER"]="PCI_BUS_ID"
 os.environ["CUDA_VISIBLE_DEVICES"]="0"

But I don't know about R and I haven't found it.
Is there anybody who knows about that?
Thanks in advance

2

The equivalent commands in R would be

Sys.setenv(CUDA_DEVICE_ORDER="PCI_BUS_ID")
Sys.setenv(CUDA_VISIBLE_DEVICES="0")
```

this would set the environment variables as specified. You can check the parameter values by running 

```
Sys.getenv("CUDA_DEVICE_ORDER")
Sys.getenv("CUDA_VISIBLE_DEVICES")
```
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